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IBM Informix

IBM Informix .NET Provider ΓU

3.0

G251-3002-00

IBM Informix

IBM Informix .NET Provider ΓU

3.0

G251-3002-00

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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viie . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii÷≤ΓU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viiIBM Informix .NET Provider 3.0 sWS . . . . . . . . . . . . . . . . . . . . . . . . viiσ≤D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viiiLΩD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viiiSBú¡xO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ixyk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ixíXdD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii

ΣLσ≤ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii≤Uuπ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiiiX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiiiIBM w∩zúNú . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii

1 IBM Informix .NET Provider º[ . . . . . . . . . . . . . . . . . . . . 1-1≤ .NET ProviderH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1Σí]p⌠ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1ΣΩw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Visual Studio ΩsΣ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Σ IPv6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2w IBM Informix .NET Provider . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Ωw°A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3.NET Provider Owº[ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3ú¼⌡µⁿw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4WíD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4sΩw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 DataSet ≤PΩw≤@P . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5suxs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6]w FullTrust \iv . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 ? O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7Isxs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 IfxProviderFactory ½≤ gPΩwL÷íX . . . . . . . . . . . . . . . . . . . . 1-7íµ÷ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7ADO.NET @≥ªO@δgíΦí . . . . . . . . . . . . . . . . . . . . . . . . 1-8Tº . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

2 ∩MΩ¼ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1Ω . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1]wΩ¼ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2FLOATBDECIMAL MONEY Ω¼πµí . . . . . . . . . . . . . . . . . . . . . 2-2

3 ¼ΩT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1Σ .NET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6Σ .NET ≥ªO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6¼yk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7IfxBlob O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

IfxBlob íσ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8 IfxBlob . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

© Copyright IBM Corp. 2003, 2007 iii

IfxBlob e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9IfxBlob Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10

IfxClob O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12IfxClob íσ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12 IfxClob . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13IfxClob e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13IfxClob Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14

IfxCommand O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 IfxCommand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17IfxCommand e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17IfxCommand Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18IfxCommand d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19

IfxCommandBuilder O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20 IfxCommandBuilder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20IfxCommandBuilder e . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20IfxCommandBuilder Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21IfxCommandBuilder d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21

IfxConnection O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22 IfxConnection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22IfxConnection e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22IfxConnection Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25IfxConnection ≤ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26

IfxConnectionStringBuilder O . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27 IfxConnectionStringBuilder . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27IfxConnectionStringBuilder e . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27IfxConnectionStringBuilder Φk . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27

IfxDataAdapter O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28 IfxDataAdapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28IfxDataAdapter e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29IfxDataAdapter Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30IfxDataAdapter d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30

IfxDataReader O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31IfxDataReader e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32IfxDataReader Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32IfxDataReader d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-34

IfxDataSourceEnumerator O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-34 IfxDataSourceEnumerator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35IfxDataSourceEnumerator e . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35IfxDataSourceEnumerator Φk . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35

IfxDateTime c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35 IfxDateTime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-36IfxDateTime e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-37IfxDateTime Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38

IfxDecimal c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42 IfxDecimal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42IfxDecimal e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43IfxDecimal Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43

IfxError O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-47IfxError e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48

IfxErrorCollection O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48IfxErrorCollection e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48IfxErrorCollection Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48

IfxException O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48IfxException e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48

IfxMonthSpan c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-49

iv IBM Informix .NET Provider ΓU

IfxMonthSpan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-49IfxMonthSpan e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-49IfxMonthSpan Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-50

IfxParameter O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-53 IfxParameter O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-54IfxParameter e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-55IfxParameter d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-55

IfxParameterCollection O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-56 IfxParameterCollection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-56IfxParameterCollection e . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-57IfxParameterCollection Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-57

IfxProviderFactory O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58IfxProviderFactory Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58

IfxSmartLOBCreateTimeFlags C . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-60IfxSmartLOBFileLocation C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-60IfxSmartLOBLocator O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-60IfxSmartLOBLockMode C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-61IfxSmartLOBOpenMode C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-61IfxSmartLOBWhence C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-61IfxTimeSpan c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-62 IfxTimeSpan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-62IfxTimeSpan e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-63IfxTimeSpan Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-64

IfxTimeUnit C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-67IfxTransaction O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-68

IfxTransaction e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-68IfxTransaction Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-68IfxTransaction d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-68

IfxType C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-69

4 dí . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1dí . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1µ@ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1hεC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2⌡µúΩ]úµ÷ SQL . . . . . . . . . . . . . . . . . . . . . . . . . 4-3NΩ DataSet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 IfxCommandBuilder ½≤ ≤PΩw≤@P . . . . . . . . . . . . . . . . . . . 4-4Isxs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5íµ÷ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6N CLOB gJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

². ≤Uuπ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1aIpyk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2

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vi IBM Informix .NET Provider ΓU

e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii÷≤ΓU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viiIBM Informix .NET Provider 3.0 sWS . . . . . . . . . . . . . . . . . . . . . . . . viiσ≤D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viiiLΩD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viiiSBú¡xO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ixyk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ixp≤¬ⁿOµyk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x÷ΣrI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiiID PW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii

íXdD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiiΣLσ≤ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii≤Uuπ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiiiX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiiiIBM w∩zúNú . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii

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bzíñ¿qN¼] Informix ¼ ( IfxParameter c

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Informix ¼C.NET DbType iHⁿw .NET Framework Ωú Param-

eter ½≤Ω¼C DbType ¼ (p GUID) ∩M⌠≤ Informix ¼A

HC DbType ¼ (p AnsiString) iH∩M Informix ¼A

p VARCHARBTEXT BLOBFzNGIBM Informix .NET Provider ú@

w∩z µΩ¼C

pGúⁿw Informix Ω¼ .NET DbTypeAh IBM Informix .NET Provider

q¡ Informix Ω¼C±ΦíApG 4AhúN∩M

INTEGER Ω¼Cαo∩MiαPLkwGC

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Informix FLOATBDECIMAL MONEY Ω¼πµíOH DBMONEY

CLIENT_LOCALE ⌠ ⁿwC

DBMONEY ⌠u²≤ CLIENT_LOCALE ⌠CpGú]w DBMONEYA

hyÑ⌠]w (CLIENT_LOCALE) µíCw]ADBMONEY


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surΩñm½ΣL]wCp÷ΩTA\ IBM Informix Guide to

SQL: ReferenceC

2 ∩MΩ¼ 2-3


3 ¼ΩT

Σ .NET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6Σ .NET ≥ªO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6¼yk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7IfxBlob O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

IfxBlob íσ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8 IfxBlob . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

IfxBlob cl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8IfxBlob e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9IfxBlob Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10

IfxBlob.Close . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10IfxBlob.FromFile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10IfxBlob.GetLocator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10IfxBlob.Lock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10IfxBlob.Open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10IfxBlob.Read. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11IfxBlob.Release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11IfxBlob.Seek . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11IfxBlob.ToFile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11IfxBlob.Truncate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12IfxBlob.Unlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12IfxBlob.Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12

IfxClob O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12IfxClob íσ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12 IfxClob . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13

IfxClob cl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13IfxClob e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13IfxClob Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14

IfxClob.Close . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14IfxClob.FromFile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14IfxClob.GetLocator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15IfxClob.Lock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15IfxClob.Open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15IfxClob.Read. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15IfxClob.Release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15IfxClob.Seek . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16IfxClob.ToFile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16IfxClob.Truncate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16IfxClob.Unlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16IfxClob.Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

IfxCommand O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 IfxCommand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17

IfxCommand cl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17IfxCommand e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17IfxCommand Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18

IfxCommand.Cancel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18IfxCommand.CreateParameter . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18IfxCommand.ExecuteNonQuery . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18IfxCommand.ExecuteReader . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18IfxCommand.ExecuteScalar . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19IfxCommand.Prepare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19


IfxCommand d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19IfxCommandBuilder O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20 IfxCommandBuilder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20

IfxCommandBuilder cl . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20IfxCommandBuilder e . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20IfxCommandBuilder Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21

IfxCommandBuilder.DeriveParameters . . . . . . . . . . . . . . . . . . . . . . . . . 3-21IfxCommandBuilder.GetDeleteCommand . . . . . . . . . . . . . . . . . . . . . . . . 3-21IfxCommandBuilder.GetInsertCommand . . . . . . . . . . . . . . . . . . . . . . . . 3-21IfxCommandBuilder.GetUpdateCommand . . . . . . . . . . . . . . . . . . . . . . . . 3-21IfxCommandBuilder.RefreshSchema . . . . . . . . . . . . . . . . . . . . . . . . . 3-21

IfxCommandBuilder d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21IfxConnection O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22 IfxConnection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22

IfxConnection cl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22IfxConnection e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22

ConnectionString e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23UserDefinedTypeFormat e . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25

IfxConnection Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25IfxConnection.BeginTransaction . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25IfxConnection.ChangeDatabase . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26IfxConnection.Close . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26IfxConnection.CreateCommand . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26IfxConnection.GetIfxBlob . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26GetIfxClob . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26IfxConnection.EnlistTransaction . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26IfxConnection.Open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26

IfxConnection ≤ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26

IfxConnectionStringBuilder O . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27 IfxConnectionStringBuilder . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27IfxConnectionStringBuilder e . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27IfxConnectionStringBuilder Φk . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27

IfxConnectionStringBuilder.Add . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27IfxConnectionStringBuilder.AppendKeyValuePair . . . . . . . . . . . . . . . . . . . . . 3-28IfxConnectionStringBuilder.Clear . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28IfxConnectionStringBuilder.ContainsKey . . . . . . . . . . . . . . . . . . . . . . . . 3-28IfxConnectionStringBuilder.EquivalentTo . . . . . . . . . . . . . . . . . . . . . . . . 3-28IfxConnectionStringBuilder.Remove . . . . . . . . . . . . . . . . . . . . . . . . . 3-28IfxConnectionStringBuilder.ToString . . . . . . . . . . . . . . . . . . . . . . . . . 3-28IfxConnectionStringBuilder.TryGetValue . . . . . . . . . . . . . . . . . . . . . . . . 3-28

IfxDataAdapter O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28 IfxDataAdapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28

IfxDataAdapter cl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28IfxDataAdapter e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29IfxDataAdapter Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30

IfxDataAdapter.Fill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30IfxDataAdapter.FillSchema . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30IfxDataAdapter.GetFillParameters . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30IfxDataAdapter.Update. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30

IfxDataAdapter d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30IfxDataReader O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31

IfxDataReader e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32IfxDataReader Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32

IfxDataReader.Close . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32IfxDataReader.GetBoolean . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32


IfxDataReader.GetByte . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32IfxDataReader.GetBytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32IfxDataReader.GetChar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32IfxDataReader.GetChars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32IfxDataReader.GetData . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32IfxDataReader.GetDateTime . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32IfxDataReader.GetDataTypeName . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32IfxDataReader.GetDecimal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32IfxDataReader.GetDouble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.GetFieldType . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.GetFloat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.GetGuid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.GetInt16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.GetInt32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.GetInt64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.GetName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.GetOrdinal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.GetSchemaTable . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.GetString . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.GetTimeSpan . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.GetValue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.GetValues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.IsDBNull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.NextResult . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33IfxDataReader.Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-34

IfxDataReader d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-34IfxDataSourceEnumerator O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-34 IfxDataSourceEnumerator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35IfxDataSourceEnumerator e . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35IfxDataSourceEnumerator Φk . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35

IfxDataSourceEnumerator.GetDataSources . . . . . . . . . . . . . . . . . . . . . . . . 3-35IfxDateTime c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35 IfxDateTime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-36

IfxDateTime cl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-36IfxDateTime e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-37IfxDateTime Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38

IfxDateTime.Add . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38IfxDateTime.AddDays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38IfxDateTime.AddMilliseconds . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38IfxDateTime.AddMinutes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38IfxDateTime.AddMonths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-39IfxDateTime.AddSeconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-39IfxDateTime.AddYears . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-39IfxDateTime.Compare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-39IfxDateTime.CompareTo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-40IfxDateTime.DaysInMonth . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-40IfxDateTime.Equals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-40IfxDateTime.GetHashCode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-40IfxDateTime.GreaterThan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-40IfxDateTime.GreaterThanOrEqual . . . . . . . . . . . . . . . . . . . . . . . . . . 3-40IfxDateTime.LessThan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41IfxDateTime.LessThanOrEqual . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41IfxDateTime.NotEquals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41IfxDateTime.Parse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41IfxDateTime.ToString . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42

IfxDecimal c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42

3 ¼ΩT 3-3

IfxDecimal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42IfxDecimal cl. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42

IfxDecimal e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43IfxDecimal Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43

IfxDecimal.Abs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43IfxDecimal.Add . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43IfxDecimal.Ceiling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43IfxDecimal.Clone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44IfxDecimal.Compare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44IfxDecimal.CompareTo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44IfxDecimal.Divide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44IfxDecimal.Equals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44IfxDecimal.Floor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44IfxDecimal.GetHashCode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45IfxDecimal.GreaterThan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45IfxDecimal.GreaterThanOrEqual . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45IfxDecimal.LessThan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45IfxDecimal.LessThanOrEqual. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45IfxDecimal.Max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45IfxDecimal.Min . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45IfxDecimal.Modulo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-46IfxDecimal.Multiply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-46IfxDecimal.Negate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-46IfxDecimal.NotEquals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-46IfxDecimal.Parse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-46IfxDecimal.Remainder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-46IfxDecimal.Round . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-46IfxDecimal.Subtract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-47IfxDecimal.ToString . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-47IfxDecimal.Truncate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-47

IfxError O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-47IfxError e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48

IfxErrorCollection O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48IfxErrorCollection e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48IfxErrorCollection Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48

IfxErrorCollection.GetEnumerator . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48IfxException O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48

IfxException e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48IfxMonthSpan c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-49 IfxMonthSpan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-49

IfxMonthSpan cl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-49IfxMonthSpan e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-49IfxMonthSpan Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-50

IfxMonthSpan.Add . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-50IfxMonthSpan.Compare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-50IfxMonthSpan.CompareTo . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-50IfxMonthSpan.Divide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51IfxMonthSpan.Duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51IfxMonthSpan.Equals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51IfxMonthSpan.GetHashCode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51IfxMonthSpan.GreaterThan . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51IfxMonthSpan.GreaterThanOrEqual . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51IfxMonthSpan.LessThan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51IfxMonthSpan.LessThanOrEqual. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52IfxMonthSpan.Multiply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52IfxMonthSpan.Negate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52


IfxMonthSpan.NotEquals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52IfxMonthSpan.Parse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52IfxMonthSpan.Subtract. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-53IfxMonthSpan.ToString . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-53

IfxParameter O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-53 IfxParameter O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-54

IfxParameter cl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-54IfxParameter e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-55IfxParameter d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-55

IfxParameterCollection O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-56 IfxParameterCollection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-56IfxParameterCollection e . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-57IfxParameterCollection Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-57

IfxParameterCollection.Add . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-57IfxParameterCollection.Clear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-57IfxParameterCollection.Contains . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-57IfxParameterCollection.CopyTo . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-57IfxParameterCollection.GetEnumerator . . . . . . . . . . . . . . . . . . . . . . . . . 3-58IfxParameterCollection.IndexOf . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58IfxParameterCollection.Insert . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58IfxParameterCollection.Remove . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58IfxParameterCollection.RemoveAt . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58

IfxProviderFactory O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58IfxProviderFactory Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58

IfxProviderFactory.CreateConnectionStringBuilder . . . . . . . . . . . . . . . . . . . . . 3-58IfxProviderFactory.CreateConnection . . . . . . . . . . . . . . . . . . . . . . . . . 3-58IfxProviderFactory.CreateCommand. . . . . . . . . . . . . . . . . . . . . . . . . . 3-59IfxProviderFactory.CreateParameter . . . . . . . . . . . . . . . . . . . . . . . . . . 3-59IfxProviderFactory.CreateCommandBuilder . . . . . . . . . . . . . . . . . . . . . . . 3-59IfxProviderFactory.CreateDataAdapter . . . . . . . . . . . . . . . . . . . . . . . . . 3-59IfxProviderFactory.CreateDataSourceEnumerator . . . . . . . . . . . . . . . . . . . . . . 3-59IfxProviderFactory.CreatePermission ( PermissionState ) . . . . . . . . . . . . . . . . . . . 3-59

IfxSmartLOBCreateTimeFlags C . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-60IfxSmartLOBFileLocation C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-60IfxSmartLOBLocator O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-60IfxSmartLOBLockMode C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-61IfxSmartLOBOpenMode C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-61IfxSmartLOBWhence C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-61IfxTimeSpan c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-62 IfxTimeSpan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-62

IfxTimeSpan cl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-62IfxTimeSpan e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-63IfxTimeSpan Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-64

IfxTimeSpan.Add . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-64IfxTimeSpan.Compare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-64IfxTimeSpan.CompareTo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-64IfxTimeSpan.Divide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-64IfxTimeSpan.Duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-65IfxTimeSpan.Equals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-65IfxTimeSpan.GetHashCode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-65IfxTimeSpan.GreaterThan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-65IfxTimeSpan.GreaterThanOrEqual . . . . . . . . . . . . . . . . . . . . . . . . . . 3-65IfxTimeSpan.LessThan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-65IfxTimeSpan.LessThanOrEqual . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-65IfxTimeSpan.Negate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-66IfxTimeSpan.NotEquals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-66

3 ¼ΩT 3-5

IfxTimeSpan.Parse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-66IfxTimeSpan.ToString . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-66

IfxTimeUnit C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-67IfxTransaction O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-68

IfxTransaction e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-68IfxTransaction Φk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-68

IfxTransaction.Commit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-68IfxTransaction.Rollback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-68

IfxTransaction d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-68IfxType C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-69

íOú≤Wí IBM.Data.InformixCpAIfxConnection O

πO IBM.Data.Informix.IfxConnectionC

Σ .NET

3-7ϕ 3-2 π IBM Informix .NET Provider (A≤ 1.1 .NET Framework M

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OAOΩ≤P÷p IBM Informix

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IfxError Nϕ IBM Informix ΩwúiΩ

IfxErrorCollection ICollection Nϕ IfxException ½≤ñ@ IfxError ½≤

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IfxBlob O

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3 ¼ΩT 3-9

ϕ 3-3. IfxBlob e (≥)

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IfxBlob.Closev void IfxBlob.Close()

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3 ¼ΩT 3-11

IfxBlob.Truncatev void IfxBlob.Truncate( System.Int64 offset )

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System.Int64 range )

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range C

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numBytesToWrite, System.Int64 smartLOBOffset, IfxSmartLOBWhence whence )

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C

pGuw buffAhq BLOB µσmlNπCgJ BLOB ñC

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pGgJIWL BLOB µAhqµgJIºí± 0

C

IfxClob O

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CLOB M BLOB úOz¼j¼½≤¼CoΓ¼@\hPΦkC CLOB

P BLOB tOb≤ CLOB ñΩ°rDCoϕ CLOB ⁿε≤r

Xα½uyyÑtv(GLS) ΣL\αCpGhrAhb

CLOB ñiαnh ϕ@rC

IfxClob íσ

C@ IfxClob úl@ⁿV CLOB ñYmíⁿCoΩσC

IfxClob ½≤σm°íwCpiαíMµA\

3-61yIfxSmartLOBOpenMode CzC


b¬gJºßAσ@vTß@rßU@rC

IfxClob.Seek Φki²zTa]wσmC

IfxClobziHoΦk o IfxClob ½≤G

v IfxConnection.GetIfxClob

v IfxDataReader.GetIfxClob

z]iHcl IfxClobG

IfxClob cl

v IfxClob( IfxConnection connection )

@P connection ÷ps IfxClobC

IfxClob e

UCO IfxClob ½≤eC

ϕ 3-4. IfxClob e

e ¼ s í

EstimatedSize System.Int64 o]ww⌠ CLOB j

pCpGziHTw⌠j

pAhiH]weCºßA

Ωw°AuπNi

HQoΩTC

úDzTwjpAh

]weCNe]

jP÷OΩw°A

WΩC

ExtentSize System.Int32 o]wϕΩw°Atm

BLOB íN

U@d≥jpC

xsΘqípY½

í n]wtmd≥j

pC

Flags System.Int32 o]w CLOB XC

∩


¿ CpΩ

TA\ 3 - 6 0

yIfxSmartLOBCreateTimeFlags C

zC

IsNull System.Boolean ¬ pGΩOAh trueF

h falseC

IsOpen System.Boolean ¬ pGΩwAh trueF

h falseC

3 ¼ΩT 3-13

ϕ 3-4. IfxClob e (≥)

e ¼ s í

LastAccessTime System.Int32 ¬ Ωw°AWes CLOB

tí (¡Jϕµ)C

Flags eñ]w

KeepAccessTimeA iH

ΩTC

LastChangeTime System.Int32 ¬ Ωw°AWe≤ CLOB

¼Atí (¡Jϕµ

)C

≤sB≤v≤

Ñ≤¼A≤C

LastModificationTime System.Int32 ¬ Ωw°AWegJ CLOB

tí (¡Jϕµ)C

MaxBytes System.Int64 o]w CLOB jpW¡

(Hµ)CΩw°A

ú\ CLOB j≤C

Null IfxBlob ¬

RA

π IfxBlob ½≤C

Position System.Int64 CLOB ñµσmC

Oq CLOB @

ΓC

ReferenceCount System.Int32 ¬ Ωwñet CLOB

εCC

SBSpace System.String o]wxs BLOB sbspace

WC

Size System.Int64 ¬ o BLOB µjp (H

µ)C

IfxClob Φk

IfxClob.Closev void IfxClob.Close( IfxSmartLOBOpenMode mode )

÷¼ΩC

IfxClob.FromFilev void FromFile( System.String filename, System.Boolean appendToSmartLOB,


N@t filename gJ CLOBCpG appendToSmartLOB O trueAhg

J CLOB CpGO falseAh∩g CLOB µeC

fileLocation ⁿX filename ñϕ≤ß°AWCeúΣ°A

C


IfxClob.GetLocatorv IfxSmartLOBLocator GetLocator()

PΩ÷p IfxSmartLOBLocatorC

IfxClob.Lockv void Lock( System.Int64 smartLOBOffset, IfxSmartLOBWhence whence, System.Int64

range, IfxSmartLOBLockMode lockMode )

Φk Ωw CLOB @íCΩw¼ (W@) lockMode MwC

Ωw]wb° r a n g e r@s≥rWCΩwd≥I

smartLOBOffset1 M whence MwCo¼Φíí≤ 3-61


IfxClob.Openv void IfxClob.Open( IfxSmartLOBOpenMode mode )

²Φk IfxClob ΩºßA α¬gJΩC mode M

w\H≤í s CLOBCpUííA\ 3-61

yIfxSmartLOBOpenMode CzC

IfxClob.Readv System.Int64 IfxClob.Read( char[] buff )

v System.Int64 IfxClob.Read( char[] buff, System.Int64 buffOffset, System.Int64

numCharsToRead, System.Int64 smartLOBOffset, IfxSmartLOBWhence whence )

NΩNϕ CLOB ñr¬J buff ñCrNϕhwQ¬

J buff ñC

pGuw buffAhq 0 l ¬J CLOBCo@ΦkbgJúWX

buff CC°j≤w CLOB QIC¬q CLOB µσ

mlC

pGúΣLAhq buffOffset lANΦn numCharsToRead r¬

J buff ñCpGnDΦk gJC¡ºAhC

bl¬ºeA² whence M smartLOBOffset σCo¼


IfxClob.Releasev void IfxClob.Release()

pGΩú¬gJΩwAΦk ±ΩΩw°A

ΩCpG CLOB wgJΩwAw]¬Ωw CLOBAIsΦ

kC

IsΦkºßAAΩC

3 ¼ΩT 3-15

IfxClob.Seekv System.Int64 IfxClob.Seek( System.Int64 offset, IfxSmartLOBWhence whence )

≤ CLOB σmCO IfxClob.Position sC

σsm offset M whence MwCo¼Φíí≤ 3-61


IfxClob.ToFilev System.String IfxClob.ToFile( System.String filename, System.IO.FileMode mode,


N CLOB egJ@t filename ñCfileLocation MwNgJß

°ACeúΣ°AC

mode MwΘXΦíCpiíΩTAd\ .NET Frame-

work Owñ System.IO.FileModeC

IfxClob.Truncatev void IfxClob.Truncate( System.Int64 offset )

q CLOB YRú offset @eC

IfxClob.Unlockv void IfxClob.Unlock( System.Int64 smartLOBOffset, IfxSmartLOBWhence whence,

System.Int64 range )

Φk ú CLOB ñbSwrd≥WΩwCúΩwd≥jpO

range rC

smartLOBOffset M whence Mwd≥ICo¼Φíí≤ 3-61


IfxClob.Writev System.Int64 IfxClob.Write( char[] buff )

v System.Int64 IfxClob.Write( char[] buff, System.Int64 buffOffset, System.Int64

numCharsToWrite, System.Int64 smartLOBOffset, IfxSmartLOBWhence whence )

N buff ñrgJΩNϕ CLOB ñCrNϕwQgJhrC

pGuw buffAhqµσmlNπCgJ CLOB ñC

pGúΣLAhqC buffOffset lAN buff ñΦn numCharsToWrite

rgJ CLOB ñCpG buffOffset WXC¡AhC

b⌡µgJºeA² whence M smartLOBOffset σCo¼


pGgJIWL CLOB µAhqµgJIºí± 0 C


IfxCommand O

IfxCommand ONϕnbΩwñ⌡µ SQL »zíC

IfxCommandziHclΣL½≤UCΦk IfxCommandG

v IfxConnection.CreateCommand (\ 3-26 @C)

YngPúL÷íXAziH D b P r o v i d e r F a c t o r y O

CreateCommand() Φk úS DbCommand ΩC.NET 2.0 Framework w

]t\αC

IfxCommand cl

v IfxCommand()

v IfxCommand( System.String cmdText )

v IfxCommand( System.String cmdText, IfxConnection connection )

v IfxCommand( System.String cmdText, IfxConnection connection, IfxTransaction

transaction )

pGw cmdTextAh@ⁿO SQL »zíC⌡µⁿO connection

M transaction (pGww)C

IfxCommand e

Uϕπ IfxCommand OeC

ϕ 3-5. IfxCommand e

e ¼ í

CommandText System.String o]wn∩Ω ⌡µσrⁿOC

CommandType e≤oeCIBM Informix

ODBC Driver Σ ODBC ESC CykA

IBM Informix .NET Provider ]PΣC

CommandTimeout System.Int32 o]wbε⌡µⁿOMúºe

ÑíC

CommandType System.Data.CommandType ⁿX CommandText eΦíCϕµßí

CommandType eiαC

Connection IfxConnection o]w I f x C o m m a n d ½≤

IfxConnection ½≤C

Parameters IfxParameterCollection o IfxParameterCollection ½≤C

Transaction IfxTransaction o]w⌡µ IfxCommand ½≤µ÷C

UpdatedRowSource System.Data.UpdateRowSource o]wp≤NⁿOGM

IfxDataAdapter.Update Φk DataRowCϕµ

ßí UpdatedRowSource eiαC

CommandType eiHUC⌠≤G

v StoredProcedure--xsWC

v TableDirect--ϕ CommandType e] TableDirect ACommandText e]

nsϕµWCp⌠≤ϕµW]tSϕrAhziαnúo

3 ¼ΩT 3-17

rAp⌡≈ryk[W¡wrCϕzIs IfxCommand O

ExecuteNonQueryBExecuteScalar ExecuteReader ΦkANπWϕµ

εCMµCYnshϕµAHrIjMµ (Lµd)A

tnsϕµWCϕ CommandText eⁿwhϕµANoϕµ

XC

v Text--SQL σrⁿO (w])

UpdatedRowSource eiHUC⌠≤G

v Both--ΘXP@εCú∩M DataSet ½≤ñ≤εCC

v FirstReturnedRecord--@εCñΩ∩M DataSet ½≤ñ≤εCC

v None--ñ⌠≤εCC

v OutputParameters--ΘX∩M DataSet ½≤ñ≤εCC

IfxCommand Φk

IfxCommand.Cancelv void IfxCommand.Cancel()

°⌡µⁿOCpG°ó Aúúº¼pC

IfxCommand.CreateParameterv IfxParameter IfxCommand.CreateParameter()

IfxParameter ½≤sΩC

IfxCommand.ExecuteNonQueryv System.Int32 IfxCommand.ExecuteNonQuery()

∩ IfxConnection ½≤⌡µ SQL »zíCY UPDATEBINSERT DELETE »z

íAhOⁿvTεCF≤ΣL⌠≤»zíAúO -1CpGsuús

bAh InvalidOperationException C

IfxCommand.ExecuteReaderv IfxDataReader IfxCommand.ExecuteReader()

v IfxDataReader IfxCommand.ExecuteReader( System.DataCommandBehavior behav-

ior )

∩ IfxConnection ½≤⌡µ CommandText eñⁿOm IfxDataReader ½≤C

IfxDataReader ½≤ behavior ñⁿOµ mG

v CloseConnection--⌡µⁿOºßA÷¼÷ IfxDataReader ½≤A]÷¼

IfxConnection ½≤C

v Default--diαhGC⌡µdvTΩw¼ACw]ú]w

CommandBehavior XC

v KeyInfo--dµMDnΣΩTC⌡µdúΩw∩εCC

v SchemaOnly--duµΩTAúvTΩw¼AC

v SequentialAccess--² IfxDataReader ½≤α≈Bztj¼GiµεCC

SequentialAccess i² IfxDataReader ½≤HΩyµí ⁿJΩAúⁿJπ


εCCMßAziH IfxDataReader.GetBytes IfxDataReader.GetChars Φk

ⁿwl⌡µ¬@mABΩⁿw@¡εw

jpCⁿw SequentialAccess iHúµ ¬µCMA

bΩΩyñ¬WLYmºßANLkAq IfxDataReader ½≤ñ¬

mmºeΩC

v SingleResult--dµ@GC⌡µdvTΩw¼AC

v SingleRow--wdµ@εCC⌡µdvTΩw¼ACpGzw SQL

»zíu@εCAhⁿw SingleRow iHúíαC

IfxCommand.ExecuteScalarv System.Object IfxCommand.ExecuteScalar()

⌡µdAMßdGñ@εC@µCNñB

µεCC

IfxCommand.Preparev void IfxCommand.Prepare()

∩Ωw (sL) ⁿOC pG CommandType e]

TableDirectAhΦkS@C

IfxCommand d

UCd±JΩBsWßΩTO²AMßN≤≤sΩwC

IfxDataAdapter idap = new IfxDataAdapter("select * from customer",con);

DataSet ds = new DataSet("customer");

idap.Fill(ds,"customer");

DataRow drow = ds.Tables["customer"].NewRow();

drow["lname"]="";

ds.Tables["customer"].Rows.Add(drow);

idap.InsertCommand = new IfxCommand();

idap.InsertCommand.CommandType = CommandType.Text;

idap.InsertCommand.CommandText = "execute procedure add_cust(?,?,?)";

idap.InsertCommand.Connection = con;

IfxParameter iparam1 = idap.InsertCommand.CreateParameter();



iparam1.ParameterName = "fname";

iparam1.Value = "Hoopla";

iparam2.ParameterName = "lname";

iparam2.Value = "MAuie";

iparam3.ParameterName = "company";

iparam3.Value = "Fredonia";

idap.InsertCommand.Parameters.Add(iparam1);



3 ¼ΩT 3-19

//Inform the command object that the update

//results in data being returned and it must be

//updated against the changed row in the

//dataset. The source of the data is in the

//first returned row

idap.InsertCommand.UpdatedRowSource= UpdateRowSource.FirstReturnedRecord;

idap.RowUpdated += new IfxRowUpdatedEventHandler(OnRowUpdated);

idap.InsertCommand.Connection.Open();

idap.Update(ds,"customer");

IfxCommandBuilder O

IfxCommandBuilder Oúµ@ϕµ INSERTBDELETE UPDATE ⁿOA

Ω≤P IBM Informix Ωw÷pΩ≤@PC

IfxCommandBuilder ½≤@P IfxDataAdapter ½≤÷p (@∩@÷Y)C

IfxDataAdapter ½≤ IfxCommand ½≤ ∩Ωw⌡µ SQL ⁿOB±JΩA

HΩ≤PΩw≤@PCun]w IfxDataAdapter ½≤ SelectCommand

eANlúΩ@P SQL »zíC SelectCommand eo

]wn∩Ωw⌡µ SQL SELECT »zíCMßAϕz IfxCommandBuilder

½≤ANú≤µ@ϕµ≤s SQL »zíAΩ≤PΩw

≤@PC(IfxCommandBuilder ½≤¡n²¿ÑAHÑ IfxDataAdapter ½≤

RowUpdating ≤C)

p IfxCommandBuilder ½≤÷ΩTA\ 1-5y DataSet ≤P

Ωw≤@PzC

IfxCommandBuildercl IfxCommandBuilderC

IfxCommandBuilder cl

v IfxCommandBuilder()

v IfxCommandBuilder( IfxDataAdapter adapter )

l]w IfxCommandBuilder OsΩ (∩aP IfxDataAdapter ½≤÷p)C

IfxCommandBuilder e

Uϕπ IfxCommandBuilder OeC

ϕ 3-6. IfxCommandBuilder e

e ¼ í

ConflictOption ⁿw IfxCommandBuilder n ConflictOptionC

DataAdapter IfxDataAdapter o]wnú SQL »zí IfxDataAdapter ½≤C

QuotePrefix System.String o]wϕⁿw IBM Informix °A½≤W (pAϕµµ)

lrFWñi]tµÑrC QuotePrefix uα]

Aúα]JBrΩC


ϕ 3-6. IfxCommandBuilder e (≥)

e ¼ í

QuoteSuffix System.String o]wϕⁿw IBM Informix °A½≤W (pAϕµµ)

rFWñi]tµÑrC QuoteSuffix uα]

Aúα]JBrΩC

IfxCommandBuilder Φk

IfxCommandBuilder.DeriveParametersv void IfxCommandBuilder.DeriveParameters( IfxCommand command )

b IfxCommand ½≤ⁿwxsW÷ΩTAHoΩT ∩g

IfxParameterCollection ½≤C

IfxCommandBuilder.GetDeleteCommandv IfxCommand IfxCommandBuilder.GetDeleteCommand()

oϕíIs IfxDataAdapter.Update ΦkúbΩwW⌡µRú

IfxCommand ½≤C

IfxCommandBuilder.GetInsertCommandv IfxCommand IfxCommandBuilder.GetInsertCommand()

oϕíIs IfxDataAdapter.Update ΦkúbΩwW⌡µíJ

IfxCommand ½≤C

IfxCommandBuilder.GetUpdateCommandv IfxCommand IfxCommandBuilder.GetUpdateCommand()

oϕíIs IfxDataAdapter.Update ΦkúbΩwW⌡µ≤s

IfxCommand ½≤C

IfxCommandBuilder.RefreshSchemav void IfxCommandBuilder.RefreshSchema

½sπz ú INSERTBUPDATE DELETE »zíΩw⌡ΩTC

IfxCommandBuilder d

@dπp≤ IfxCommandBuilder ½≤ ⌡µ≤sC

// IfxConnection -- con

DataSet ds = new DataSet();

string sql = "select fname, lname from customer";

IfxDataAdapter da = new IfxDataAdapter(sql,con);

//Build new CommandBuilder

IfxCommandBuilder ifxbuilder = new IfxCommandBuilder(da);

Con.Open();

Da.Fill(ds,"customer");

3 ¼ΩT 3-21

//code to modify data in DataSet goes here

ds.Tables[0].Rows[0].ItemArray[0] = "William";

//the following line will fail without the IfxCommandBuilder

//as we have not explicitly set an UpdateCommand in the DataAdapter

da.Update(ds,"customer");

dπp≤xs÷ΩTC

// IfxConnection - con

IfxCommand cmd = new IfxCommand("SP_GETUSERINFO",con);

IfxCommandBuilder cb = new IfxCommandBuilder();

Con.Open();

Cb.DeriveParameters(cmd);

foreach (IfxParameter param in cmd.Parameters)

Console.WriteLine(param.ParameterName);

con.Close();

IfxConnection O

IfxConnection ONϕPΩ ºíMÑq@ApAs IBM Informix °

A⌠⌠suCLkOC

IfxConnectionΣL½≤@Φk⌠ta IfxConnection ½≤CYnTaA½≤

Σñ@clC

YngPúL÷íXAziH DbProviderFactory O

CreateConnection() Φk úS DbCommand ΩC.NET 2.0 Framework

w]t\αC

IfxConnection cl

v IfxConnection( )

v IfxConnection( System.String connectionString )

connectionString ñΩT (pGú) l]w IfxConnection O

sΩC

IfxConnection e

Uϕπ IfxConnection OeC

ϕ 3-7. IfxConnection e

e ¼ í

ClientLocale System.String o]wíyÑ⌠C

ConnectionString System.String o]w ΩwrΩCp÷ΩTA

\ 3-23yConnectionString ezC


ϕ 3-7. IfxConnection e (≥)

e ¼ í

ConnectionTimeout System.Int32 oϕsubεMúºe

Ñí (Hϕµ)C

Database System.String oµΩwWsußnΩw

WC

DatabaseLocale System.String oΩwyÑ⌠C(pGsuAhL

C)

FetchBufferSize System.Int32 o]wHsuⁿOw]Ω

ΘwjpC]woeúvTwⁿ

OC

PacketSize System.Int32 P≤ FetchBufferSizeCoΓ]wyNPFΣñ@

]w≤Mbt@]wñC

ServerVersion System.String o@rΩAtßs IBM Informix °

AΩC

State System.Data.Connection.State osuµ¼AC

UserDefinedTypeFormat System.String Nwq¼∩M] DbType.Str ing

DbType.BinaryCp÷ΩTA\ 3-25

yUserDefinedTypeFormat ezC

ConnectionString e

ConnectionString eO@surΩAtzsu ΩwWM

Cw]OrΩCb⌠≤ípUA@nO ServerC

UϕπsurΩC

ϕ 3-8. surΩ

í w]

Client LocaleBClient_Locale bDq[csußWyÑ⌠C en_us.CP1252 (Win-

dows)

Connection Lifetime ϕsuxsA±suíPµíAp

GííZ (Hϕµ) WL connection lifetime ⁿwA

hsuC

0

DatabaseBDB °AΩΩwWCpGⁿwΩwAh°

AMsuCziH ChangeDatabase ΦkN°AM

su≤∩ΩwsuCpG DATABASE... CRE-

ATE DATABASE... »zíAzvz»zí⌡µΦ

íA] IBM Informix .NET Provider úδ≤oX

oⁿOCo»zíApGúzANPL

kwßGC

Database LocaleBDB_LOCALE ΩwyÑ⌠CpGⁿwAhúV°AdΩ

wyÑ⌠C

DELIMIDENT ϕ] true y (ϕ yes) A (″) ⌠≤rΩ

° IDAµ (’) ⌠≤rΩ°rΩσrC

’y’

Enlist bíµ÷ñCJCunⁿw Enlist=false

surΩAYiµ÷ñCJC

true

3 ¼ΩT 3-23

ϕ 3-8. surΩ (≥)

í w]

ExclusiveBXCL EXCLUSIVE ÷ΣrHWíΩwAúFµ

ºATεΣL⌠≤HsCpGt@wΩ

wAh WsAA]úΩwC

NoB0BYes 1C

No

Host ⌡µ Informix °A≈W IP CnC localhost

Max Pool Size xsñe\suW¡C 100

Min Pool Size xsñe\suU¡C 0

Opt imize OpenFe tchCloseB

OPTOFC

εGd≡°ACubVΩ

ípUC

Packet SizeBFetch Buffer SizeB

FBS

NΩJ/X°Awjp (Hµ)C 32767

PasswordBPWD P User ID ÷pKXCpGD≈úH⌠ß≈

bßAhnCpGw User IDAhTεC

Persist Security Info ϕ] false ApGsuw@B≤¼AAhú

bsuWw≈KΩTApKXC½]surΩ½

]surΩA]AKXC

’false’

Pooling ϕ] true ANqAϕxsX IfxConnection ½≤A

bnsWAϕxsC

’true’

ProtocolBPRO b IBM Informix .NET Provider PΩw°Aºíq

T≤wC

Server ns Informix °AΩWOWCnC

Service °A ÑsunDA íW≡C

User IDBUID nJbßCúDD≈H⌠ß≈AhnC

uαbsuw÷¼]w ConnectionString eCísurΩ∩¬eC

b]wsurΩAúDAhoeí≤sCbípUAú

≤s⌠≤eC IfxConnection e ConnectionString ]t]wAHqO

B¼w]C

b÷¼suW½] ConnectionString ½]surΩ÷eA]AKXC

±ΦíApGz]wt ″Database=superstores″ surΩAMßNsurΩ½]″Server=myServer″Ah Database eNúA] superstoresC

surΩb]wºßYiµσRCpGbσRoykAh⌡µ

º¼p ArgumentExceptionCΣLubsu XCpG@

WbsurΩñXhAhß@XC

IBM Informix .NET Provider ConnectionString P IBM Informix ODBC surΩúPC

surΩP]wsurΩPCúO ODBC ’Driver’ OLE

DB ’Provider’ AΓúⁿΣC

pGN Persist Security Info ] false (w])Aϕsu@úAs

urΩNút⌠≤wΩTCpGsuAhú Persist Security Info ]w

≤AsurΩ@w]twΩTCpGN Persist Security Info ] trueA

hsurΩ]twΩTC


UserDefinedTypeFormat e

IfxConnection M IfxCommand UserDefinedTypeFormat eNwq¼

∩M] DbType.String DbType.BinaryCoe N

FetchExtendedTypesAsC

YnNwq¼ϕ String ½≤ sAN UserDefinedTypeFormat

UserDefinedTypeFormat e] stringB"" CUDT µM∩M

DbType.StringCYg UDTFormat ]OsurΩCo]wújpgC

YnNwq¼ϕ Byte[] ½≤ sAN UserDefinedTypeFormat

UserDefinedTypeFormat e] bytesCUDT µM∩M DbType.BinaryC

µ IfxType eúⁿvTC

Uϕπ IfxDataReader sΦk GetBytes() M GetString() (°

UserDefinedTypeFormat e]ww)C

ϕ 3-9. UserDefinedTypeFormat ]wP IfxDataReader sΦkG

UserDefinedTypeFormat ]w @ G

string GetBytes() jεα¼Lº¼p

string GetString() rΩ

bytes GetBytes()

bytes GetString() HQirΩGi

ϕ IfxCommand ½≤ssuA½≤su UserDefinedTypeFormat eC

yß≤esu]wúvT IfxCommand ½≤CUCΣñ@ΦkA²

ⁿOPsuú÷pG

v IfxConnection.CreateCommand()

v IfxCommand.Connection_set()

v IfxCommand.DbConnection_set()

v IfxCommand(string cmdText, IfxConnection connection)

v IfxCommand(string cmdText, IfxConnection connection, IfxTransaction transaction)

ziHµW]w IfxCommand UserDefinedTypeFormat eAΣPsu

UserDefinedTypeFormat eL÷A²úαbUCí]wG

v ⌡µⁿO

v b Is IfxDataReader.Read() ΦkP÷¼Ω¬ºíC

IfxConnection Φk

IfxConnection.BeginTransactionv IfxTransaction IfxConnection.BeginTransaction()

v IfxTransaction IfxConnection.BeginTransaction( System.Data.IsolationLevel

isoLevel )

lΩwµ÷C

3 ¼ΩT 3-25

IfxConnection.ChangeDatabasev void IfxConnection.ChangeDatabase( System.String value )

≤ IfxConnection ½≤µΩwC

IfxConnection.Closev void IfxConnection.Close()

÷¼ΩwsuC

IfxConnection.CreateCommandv IfxCommand IfxConnection.CreateCommand()

Psu÷p IfxConnection ½≤C

IfxConnection.GetIfxBlobv IfxBlob IfxConnection.GetIfxBlob()

su IfxBlob cC

GetIfxClobv IfxClob IfxConnection.GetIfxClob()

su IfxClob cC

IfxConnection.EnlistTransactionv void IfxConnection.EnlistTransaction()

Nⁿwµ÷CJíµ÷C

IfxConnection.Openv void IfxConnection.Open()

IfxConnection ½≤ ConnectionString eⁿw]w ΩwsuC

IfxConnection ≤

Uϕπ IfxConnection O≤C

ϕ 3-10. IfxConnection ≤

≤ í

Disposed sW≤Bzí Ñ≤W Disposed ≤C

InfoMessage ϕú°AiTºoC

StateChange ϕsu¼A≤oC

d

UC C++ dπp≤cl ]wsurΩC


IfxConnection conn = new IfxConnection("User Id=me;Password=myPassword;" +"Host=ajax;Server=myServer;" +"Service=9401;Database=superstores");

IfxConnectionStringBuilder O

ú≤l¬¼surΩm≥ªOCO

DbConnectionStringBuilder OCziH IfxConnectionString Ω csur

Ω

IfxConnectionStringBuilderYn IfxConnectionStringBuilderAΣñ@clC

YnoPúL÷íXAziHqúS DbProviderFactory OΩ

ñ CreateConnectionStringBuilder() ΦkAúS

DbConnectionStringBuilder OΩC

IfxConnectionStringBuilder e

Uϕπ IfxConnectionStringBuilder OeC

ϕ 3-11. IfxConnectionStringBuilder e

e í

Count IfxConnectionStringBuilder Ω @surΩ

ΣC

ConnectionString o]wP IfxConnectionStringBuilder ÷psur

ΩCHjMµ IfxConnectionStringBuilder

@XñxsΣCC@]tHÑj

ΣPC

IsFixedSize ⁿX IfxConnectionStringBuilder OTwjpCtrue

ϕ IfxConnectionStringBuilder TwjpC

IsReadOnly ⁿX IfxConnectionStringBuilder O¬Ctrue ϕ

IfxConnectionStringBuilder O¬C¬XTεb

XºßsWBú∩C

Keys ICollectionAt IfxConnectionStringBuilder ñ

ΣC

ICollection ]tⁿwA²P Values e

ICollection ñ÷pPC

Values o ICollectionAt DbConnectionStringBuilder ñC

ICollection ]t DbConnectionStringBuilder ñC

ICollection ]tⁿwA²P Keys e

ICollection ñ÷pPC

IfxConnectionStringBuilder Φk

IfxConnectionStringBuilder.AddNπⁿwΣMsW IfxConnectionStringBuilderC

3 ¼ΩT 3-27

IfxConnectionStringBuilder.AppendKeyValuePairNΣM[ StringBuilder ½≤C

IfxConnectionStringBuilder.ClearMú IfxConnectionStringBuilder ΩeC

IfxConnectionStringBuilder.ContainsKeyⁿX IfxConnectionStringBuilder ½≤O]tSwΣC

IfxConnectionStringBuilder.EquivalentTo±o IfxConnectionStringBuilder ½≤ñsuΩTPt@½≤ñsuΩTC

IfxConnectionStringBuilder.Removeq IfxConnectionStringBuilder ΩñúⁿwΣC

IfxConnectionStringBuilder.ToStringPo IfxConnectionStringBuilder ½≤÷psurΩC

IfxConnectionStringBuilder.TryGetValueqo IfxConnectionStringBuilder ½≤ñ∩≤úΣC

IfxDataAdapter O

IfxDataAdapter ½≤ IfxCommand ½≤ ∩Ωw⌡µ SQL ⁿOB±JΩA

HΩ≤PΩw≤@PC

IfxDataAdapterYn IfxDataAdapterAΣñ@clC

IfxDataAdapter cl

v IfxDataAdapter()

v IfxDataAdapter( IfxCommand selectCommand )

v IfxDataAdapter( System.String selectCommandText, IfxConnection

selectConnection )

v IfxDataAdapter( System.String selectCommandText, System.String

selectConnectionString )

H .NET ¼rΩµíúiεCMΩwsu SQL dC

selectCommandText OH SQL gdCselectConnectionString O

IfxConnection ½≤clsurΩC


IfxDataAdapter e

Uϕπ IfxDataAdapter OeC

ϕ 3-12. IfxDataAdapter e

e í

AcceptChangedDuringFill o]w@AⁿXb⌠≤ Fil l @íAϕ

DataRow sW DataTable ºßAOb DataRow WI

s AcceptChangesC

AcceptChangesDuringUpdate o]wOb Update íIs AcceptChangesC

DeleteCommand o]w qΩwRúO² SQL »zíC

FillLoadOption o]w LoadOptionALoadOption iMwtq

DbDataReader ±g DataTable ΦíC

InsertCommand o]w NsO²íJΩw SQL »zíC

MissingMappingAction ϕeJΩStϕµµΩn

@CⁿXⁿw∩M ϕµµO@

eΣ WAK≤LooXC

MissingMappingAction eiH MissingMappingAction

C⌠≤ApϕµßzC

MissingSchemaAction ⁿXⁿw ϕµBµΣ÷Y≥OnsW

Ω⌡BHñC MissingSchemaAction

eiH⌠≤ MissingSchemaAction CApϕµß

zC

ReturnProviderSpecifictypes o]w Fill ΦkúS@δ CLS

eC

SelectCommand o]w bΩwñ∩O² SQL »zíC

TableMappings ⁿX ϕµ∩MΩϕµΦíC DataTable w

]ϕµWO TableCw] DataTable Ww]

DataTableMapping ]O TableC

UpdateBatchSize o]w@ σBzΣAHⁿ

wiHb@σñ⌡µⁿOC

UpdateCommand o]w bΩwñ≤sO² SQL »zíC

MissingMappingAction eiHUCG

v Error--ú SystemExceptionC

v Ignore--ñS∩MµϕµC

v Passthrough--sb²wsW DataSet ñ µMϕµCoOw]C

MissingSchemaAction eiHUCG

v Add--sW¿⌡⌠≤µC

v AddWithKey--sW¿⌡µMDnΣΩTCw]AúDⁿw

oeAhúb DataSet ñDnΣC]woiHTO≤s¼

O² (XO²) D[A][iαPP@εCXh≈C

v Error--ú SystemExceptionC

v Ignore--ñBµC

3 ¼ΩT 3-29

IfxDataAdapter Φk

IfxDataAdapter.Fill DataSet Wb DataSet ñsW½sπzεCAHXΩwñεCA

W Table DataTableC

IfxDataAdapter.FillSchemaN DataTable sWⁿw DataSetAⁿw SchemaTypeAtm⌡ XΩ

wñ DataSetC

IfxDataAdapter.GetFillParametersob⌡µ SQL SELECT »zí]wC

IfxDataAdapter.Update∩≤ DataTable bⁿw DataSet ñíJB≤sRúC@εCAIsO

INSERTBUPDATE DELETE »zíC

IfxDataAdapter d

@dd TableMappings M MissingMappingAction ekC



string sql = "select fname from customer";


// Default -- MissingMappingAction set to Passthrough.

// Database Column name is used as Data Set Column Name. This

//is the default setting

//da.MissingMappingAction = MissingMappingAction.Passthrough;

// MissingMappingAction set to Ignore// The column or table not having a mapping is ignored. Returns a

// null reference . Will return error while accessing DataRow

da.MissingMappingAction = MissingMappingAction.Ignore;

// MissingMappingAction set to Error

// DataColumnMapping & DataTableMapping is not done

// then DataAdapter.Fill returns Exception

da.MissingMappingAction = MissingMappingAction.Error;

// If set to Error, DataColumnMapping and DataTableMapping has to

// be done

DataColumnMapping dcFnm = new DataColumnMapping("fname", "FirstName");

DataTableMapping dtCus = new DataTableMapping ("customer","CustomerTable");

dtCus.ColumnMappings.Add(dcFnm);

// Activates the Mapping

da.TableMappings.Add(dtCus);

da.Fill(ds,"customer");

foreach(DataRow dr in ds.Tables["CustomerTable"].Rows)


Console.WriteLine(dr["FirstName"]);

//Close Connection

U@ddp≤@ FillSchema ΦkM MissingSchemaAction eC



string sql = "select fname from customer";


//MissSchemaAction is set to error so Fill will return

// exception if Data Set and Customer table schema

// do not match

da.MissingSchemaAction = MissingSchemaAction.Error;

// Fills Data Set Schema with the customer table schema

da.FillSchema(ds,SchemaType.Source,"customer");

da.Fill(ds,"customer");

foreach(DataRow dr in ds.Tables["customer"].Rows)

Console.WriteLine(dr["fname"]);

//Close Connection

UCdí SelectCommand M UpdateCommand ekC

IfxDataAdapter adpt = new IfxDataAdapter();

adpt.SelectCommand = new IfxCommand("SELECT CustomerID, Name FROM CustomersWHERE Country = ? AND City = ?", conn);

IfxParameter ifxp1 = new IfxParameter("Country",DbType.String);

IfxParameter ifxp2 = new IfxParameter("City",DbType.String);

Adpt.SelectCommand.Parameters.Add(ifxp1);


//similarly for an UpdateCommand

//adpt.UpdateCommand.Parameters.Add("CustomerName",DbType.String);

adpt.UpdateCommand.Parameters.["CustomerName"] = "xyz";

IfxDataReader O

IfxDataReader ½≤OⁿVeσA\H¬ΦísqΩwΩCϕ

ís IfxDataReader ½≤AΩ suOb@ñC

@δÑA IfxDataReader ½≤α¬≤ IfxDataAdapter ½≤C

3 ¼ΩT 3-31

IfxDataReader e

Uϕπ IfxDataReader OeC

ϕ 3-13. IfxDataReader e

e ¼ í

Depth System.Int32 @ 0C

FieldCount System.Int32 oµεCµC

IsClosed System.Boolean o@ ⁿX IfxDataReader ½≤Ow÷¼C

RecordsAffected System.Int32 o⌡µ SQL »zí≤BíJRúεC

C

VisibleFieldCount System.Int32 o DbDataReader ñD⌠µC

IfxDataReader Φk

IfxDataReader.Close÷¼ IfxDataReader ½≤C

IfxDataReader.GetBooleanH Boolean µí oⁿwµC

IfxDataReader.GetByteYX NotSupported º¼pC

IfxDataReader.GetBytesqⁿwµ¬ΩyAMßHCµíqwwlgJw

C

IfxDataReader.GetCharoⁿwµrC

IfxDataReader.GetCharsqⁿwµ¬rΩyAMßHCµíqwwlgJw

C

IfxDataReader.GetDataYX NotSupported º¼pC

IfxDataReader.GetDateTimeoⁿwµΘMíΩC

IfxDataReader.GetDataTypeNameoⁿwµΩ¼ΩTC

IfxDataReader.GetDecimaloⁿwµTwmC


IfxDataReader.GetDoubleoⁿwµδBIC

IfxDataReader.GetFieldTypeo GetValue ½≤ Type ΩTC

IfxDataReader.GetFloatoⁿwµµδBIC

IfxDataReader.GetGuidⁿwµ GUID C

IfxDataReader.GetInt16oⁿwµ 16 a tπC



IfxDataReader.GetNameonMΣµWC

IfxDataReader.GetOrdinalπWµC

IfxDataReader.GetSchemaTable@ DataTable ½≤A½≤í IfxDataReader ½≤µ meta ΩC

IfxDataReader.GetStringoⁿwµrΩC

IfxDataReader.GetTimeSpanoⁿwµííZC

IfxDataReader.GetValueⁿwµC

IfxDataReader.GetValuesoXñµO²µC

IfxDataReader.IsDBNullϕⁿwµO]C

IfxDataReader.NextResultϕ¬σ SQL »zíGAN IfxDataReader ½≤VeU@GC

3 ¼ΩT 3-33

IfxDataReader.ReadN IfxDataReader ½≤VeU@ºO²C

IfxDataReader d

UCddp≤ IfxDataReader OeMΦkC

// IfxConnection - con

string sql = "select stock_num,manu_code,description from stock";

con.Open();

IfxCommand selectCommand = new IfxCommand(sql,con);

IfxDataReader reader = selectCommand.ExecuteReader(CommandBehavior.Default);

//schema for Dataset can be created by GetSchemaTable()

DataTable schema = reader.GetSchemaTable();

//read to use reader properties.reader.Read();

Console.WriteLine("Depth is ");

Console.WriteLine(reader.Depth);

Console.WriteLine("Number of Columns are");

Console.WriteLine(reader.FieldCount);

Console.WriteLine("Number of Rows Changed");

Console.WriteLine(reader.RecordsAffected);

Console.WriteLine("Is Data Reader Closed ?");

Console.WriteLine(reader.IsClosed);

do

while (reader.Read())

Int32 num = reader.GetInt32(0);

Console.WriteLine(num );

String string1 = reader.GetString(1);

Console.WriteLine(string1);

String string2 = reader.GetString(2);

Console.WriteLine(string2);

while (reader.NextResult());

reader.Close();

//Close Connection

IfxDataSourceEnumerator O

IfxDataSourceEnumerator i² .NET íHí]pΦí ¬ Informix SQLHOST

CSetnet32 O SQLHOST ú GUI íC


IfxDataSourceEnumeratorziHUCΦk IfxDataSourceEnumeratorG

v DbDataSourceEnumerator enum = factory.CreateDataSourceEnumerator();

ΣñAfactory OúS DbProviderFactory ΩC

IfxDataSourceEnumerator e

Uϕπ IfxDataSourceEnumerator OeC

ϕ 3-14. IfxDataSourceEnumerator e

e í

Instance CC

IfxDataSourceEnumerator Φk

IfxDataSourceEnumerator.GetDataSources DataTableCDataTable ñC@ DataRecord NϕqúWtm@ß°A

C

ϕ 3-15. System.Data.DataTable µ

µW m í

IfxDatabaseServer 0 °AΩWCµ@°A

WiHsbhΩC

HostComputer 1 SQLHOSTS ñD≈C

UserName 2 sΩwW

C

PasswordOption 3 zL SetNet32 D≈xsK

X∩C

Password 4 rΩC

Protocol 5 ≤qTqT≤wC

Service 6 A íWC

Option 7 SetNet32 ñ∩µC

IfxDateTime c

IfxDateTime Nϕq 0001/01/01 ] 9999/12/31 U 11:59:59.99999 oííZ

µ@ΦC

IfxDateTime w]UCUíµj¿G

v

v δ

v Θ

v

v

v ϕ

3 ¼ΩT 3-35

v ϕp

ziHuWzíµl IfxDateTimeCoOFΩw°A

DATETIME Ω¼µCb IfxDateTime ñíµú⌠≤

OΘíC

IfxDateTime jíµlíµC IfxDateTime píµ

⌠íµClíµB⌠íµΓºííµ IfxDateTime

d≥C

d: pG IfxDateTime BδBΘíAhlíµOA⌠íµO

ΘAd≥hOΘC

IfxDateTime d≥ñ]tíµ]πUϕCw]C

ϕ 3-16. IfxDateTime ½≤ñíµw]

íµ w]

1200

δ 1

Θ 1

0

0

ϕ 0

p 0

b IfxDateTime A IfxTimeUnit C¿ ⁿwíµCpC

ΩTA\ 3-67 yIfxTimeUnit CzC

IfxDateTimeíµñDΦA°µbΩΘñϕkC

d: pGz 13 δ≈AhoA]@uQGδC13 úα

½¿@S@δC

IfxDateTime cl

v IfxDateTime( System.Int64 ticks )

sΩ]wÑ≤q 0001/01/01 ]l ticks ΦC@ϕ 10 000 000

ΦC

sΩd≥O Year Fraction5C

: Φ± Fraction5 ≤δTCΦkMBΓlñhlδC

v IfxDateTime( System.DateTime dt )

sΩ]Ñ≤ dt CsΩd≥O Year Fraction5C

v IfxDateTime( System.Int32 numUnits, IfxTimeUnit unit )

Ωd≥q unit unitC] 0001/01/01 ]Lß numUnits µC


v IfxDateTime( System.Int32 numUnits1, System.Int32 numUnits2, IfxTimeUnit end

)

v IfxDateTime( System.Int32 numUnits1, System.Int32 numUnits2, System.Int32

numUnits3, IfxTimeUnit end )


numUnits3, System.Int32 numUnits4, IfxTimeUnit end )


numUnits3, System.Int32 numUnits4, System.Int32 numUnits5, IfxTimeUnit end

)


numUnits3, System.Int32 numUnits4, System.Int32 numUnits5, System.Int32

numUnits6, IfxTimeUnit end )


numUnits3, System.Int32 numUnits4, System.Int32 numUnits5, System.Int32

numUnits6, System.Int32 numUnits7, IfxTimeUnit end )

pGw numUnits1 numUnits7A]líµ] YearAHS

start FhAsΩd≥O start endC end íµMwpíδ

AH@wOnC

d≥ñµúúCnumUnits1 líµCΣl

d≥ñΣLíµC

IfxDateTime e

UCO IfxDateTime ½≤eC

ϕ 3-17. IfxDateTime e

e ¼ s í

Date IfxDateTime ¬ PΩP²d≥O Year Day

IfxDateTimeC

Day System.Int32 ¬ ΘíC

EndTimeUnit IfxTimeUnit ¬ Ω⌠íµC

Hour System.Int32 ¬ píC

MaxValue IfxDateTime ¬

RA

π IfxDateTime ñjiα

IfxDateTimeCIfxDateTime d≥O

Year Fraction5C

Millisecond System.Int32 ¬ Ωpíñπ@ϕrC@

ϕ 1000 @ϕC

MinValue IfxDateTime ¬

RA

π IfxDateTime ñpiα

IfxDateTimeCIfxDateTime d≥O

Year Fraction5C

Minute System.Int32 ¬ íC

Month System.Int32 ¬ δíC

Now IfxDateTime ¬

RA

]µΘMíBd≥O Year

Fraction5 IfxDateTimeC

3 ¼ΩT 3-37

ϕ 3-17. IfxDateTime e (≥)

e ¼ s í

Null IfxDateTime ¬

RA

] IfxDateTimeC

Second System.Int32 ¬ ϕíC

StartTimeUnit IfxTimeUnit ¬ ΩlíµC

Ticks System.Int64 ¬ q 0001/01/01 ]Ωñí

εΦC@ϕ 10 000 000 Φ

C

Today IfxDateTime ¬

RA

]µíBd≥O Year Day

IfxDateTimeC

Year System.Int32 ¬ íC

IfxDateTime Φk

IfxDateTime.Addv IfxDateTime IfxDateTime.Add( IfxTimeSpan ifxTS )

v IfxDateTime IfxDateTime.Add( IfxMonthSpan ifxMS )

s IfxDateTimeAB]ΩA[WH ifxTS ifxMS ϕíqCs

IfxDateTime d≥PΩPCΩ¡úC

[W IfxMonthSpan úÑP≤[WTwqííZA]Cδú@wC[

W IfxMonthSpan Au∩ IfxDateTime Mδí⌡µsW@CΣLí

µúPΩñPC

IfxDateTime.AddDaysv IfxDateTime IfxDateTime.AddDays( System.Double days )

s IfxDateTimeAB]P≤oΩA[W days ñCdays i

HOtC\pCΩ¡úC

s IfxDateTime d≥PΩPCpGúΘúbd≥ANúC

IfxDateTime.AddMillisecondsv IfxDateTime IfxDateTime.AddMilliseconds( System.Double milliseconds )

s IfxDateTimeAB]P≤oΩA[W milliseconds ñ@ϕCmil-

liseconds iHOtCj≤ -1 000 000 000 Bp≤ 1 000 000 000C\

pCΩ¡úC


IfxDateTime.AddMinutesv IfxDateTime IfxDateTime.AddMinutes( System.Double minutes )

s IfxDateTimeAB]P≤oΩA[W minutes ñCminutes

iHOtCj≤ -1 000 000 000 Bp≤ 1 000 000 000C\pC


s IfxDateTime d≥PΩPCΩ¡úCpGúΘúbd≥AN

úC

IfxDateTime.AddMonthsv IfxDateTime IfxDateTime.AddMonths( System.Double months )

s IfxDateTimeAB]P≤oΩA²bδí[W months Cmonths

iHOtCΩ¡úC

: oúÑP≤[WTwqííZA]Cδ°úTwCp≤δµúⁿsW@vTC

s IfxDateTime d≥PΩPCpGúΘúbd≥ANúCp

GúΘLAp 2 δ 31 ΘAh@oC

IfxDateTime.AddSecondsv IfxDateTime IfxDateTime.AddSeconds( System.Double seconds )

s IfxDateTimeAB]P≤oΩA[W seconds ñϕCseconds

iHOtCj≤ -1 000 000 000 Bp≤ 1 000 000 000C\pC

Ω¡úC


IfxDateTime.AddYearsv IfxDateTime IfxDateTime.AddYears( System.Int32 years )

s IfxDateTimeAB]P≤oΩA²bí[W years Cyears

iHOtCΩ¡úC

: oúÑP≤[WTwqííZA]C°úTwCp≤µúⁿsW@vTC

s IfxDateTime d≥PΩPCpGúΘúbd≥ANúCp

GúΘO¡ 2 δ 29 ΘAh@oC

IfxDateTime.Comparev static IfxDateTime IfxDateTime.Compare( IfxDateTime ifxDT1, IfxDateTime ifxDT1

)

ifxDT1 M ifxDT2 ∩ G

Nq

-1 ifxDT1 ¡≤ ifxDT2

0 ifxDT1 M ifxDT2 OPí

1 ifxDT1 ≤ ifxDT2

: IBM Informix .NET Provider ñ½≤NΓ°ÑC]N°p

≤⌠≤DC

3 ¼ΩT 3-39

⌠NΓ IfxDateTime ½≤iiµ±Cúb IfxDateTime d≥⌠≤íµú

w]Cpw]A\ 3-36ϕ 3-16C

IfxDateTime.CompareTov System.Int32 IfxDateTime.CompareTo( System.Object obj )

½≤ obj O IfxDateTimeC

oÑP≤NoΩϕ@ ifxDT1 N obj ϕ@ ifxDT2 Is IfxDateTime.CompareC

IfxDateTime.DaysInMonthv static System.Int32 IfxDateTime.DaysInMonth( System.Int32 year, System.Int32

month )

year month δC

IfxDateTime.Equalsv static System.Boolean IfxDateTime.Equals( IfxDateTime ifxDT1, IfxDateTime

ifxDT2 )

pG IfxDateTime.Compare( ifxDT1, ifxDT2 ) 0AhΦk trueCpGúOA

h falseC

IfxDateTime.GetHashCodev System.Int32 IfxDateTime.GetHashCode()

Ω°ΩXC

⌠NΓπP IfxDateTime ½≤P°ΩXA²ΓπúP

IfxDateTime ½≤]iαP°ΩXC

p°ΩXΩTA\ .NET Framework Owñ Object.GetHashCode Φ

kíC

IfxDateTime.GreaterThanv static System.Boolean IfxDateTime.GreaterThan( IfxDateTime ifxDT1, IfxDateTime

ifxDT2 )

pG IfxDateTime.Compare( ifxDT1, ifxDT2 ) 1AhΦk trueCpGúOA

h falseC

IfxDateTime.GreaterThanOrEqualv static System.Boolean IfxDateTime.GreaterThanOrEqual( IfxDateTime ifxDT1,

IfxDateTime ifxDT2 )

pG IfxDateTime.Compare( ifxDT1, ifxDT2 ) 0 1AhΦk trueCp

GúOAh falseC


IfxDateTime.LessThanv static System.Boolean IfxDateTime.LessThan( IfxDateTime ifxDT1, IfxDateTime

ifxDT2 )

pG IfxDateTime.Compare( ifxDT1, ifxDT2 ) -1AhΦk trueCpGúOA

h falseC

IfxDateTime.LessThanOrEqualv static System.Boolean IfxDateTime.LessThanOrEqual( IfxDateTime ifxDT1,

IfxDateTime ifxDT2 )

pG IfxDateTime.Compare( ifxDT1, ifxDT2 ) 0 -1AhΦk trueCp

GúOAh falseC

IfxDateTime.NotEqualsv static System.Boolean IfxDateTime.NotEquals( IfxDateTime ifxDT1, IfxDateTime

ifxDT2 )

pG IfxDateTime.Compare( ifxDT1, ifxDT2 ) 1 -1AhΦk trueCp

GúOAh falseC

IfxDateTime.Parsev static IfxDateTime IfxDateTime.Parse( System.String dateTimeString )

v static IfxDateTime IfxDateTime.Parse( System.String dateTimeString,

IfxTimeUnit start, IfxTimeUnit end )

v static IfxDateTime IfxDateTime.Parse( System.String dateTimeString,

System.String format, IfxTimeUnit start, IfxTimeUnit end )

dateTimeString s IfxDateTimeCpGw formatAh dateTimeString

rΩOUCµíG

Y-M-DD hh:mm:ss.f

Y ϕπC

M δ≈Ad≥q 1 12C

D δC

h @pAd≥q 0 23C

m pAd≥q 0 59C

s ϕAd≥q 0 59C

f ϕpíCñWL 5 pδC

s IfxDateTime d≥O start endCpGw start M endAhd≥O Day

Fraction5C

d≥ñíµsb≤ dateTimeString ñAYs]@CpGú for-

matAhWXd≥íµ¿∩CYsb]QñCpGú for-

matAhúe\WXd≥íµC

3 ¼ΩT 3-41

format rΩykP DBTIME ⌠PCpykΩTA\ IBM

Informix Guide to SQL: Reference ñ DBTIME ⌠íC

IfxDateTime.ToStringv System.String IfxDateTime.ToString()

v System.String IfxDateTime.ToString ( System.String format )

HrΩµíΩCpGS formatAhµíG

YYYY-MM-DD hh:mm:ss.f

YYYY

MM

Γδ

DD

ΓΘ

hh ΓpAd≥q 00 23

mm

Γ

ss Γϕ

f ϕpí

rΩútWXΩd≥íC

pGú formatAhHrΩñⁿwΦí µíΘXC format rΩyk

P DBTIME ⌠PCpykΩTA\ IBM Informix Guide to SQL:

Reference ñ DBTIME ⌠íC

IfxDecimal c

IfxDecimal ½≤Nϕhπ 32 QiCd≥q 10-129

10129C

Informix Ωwñ DECIMAL Ω¼iHNϕ≤jd≥Aj≤⌠≤ .NET

Framework Ω¼C]iHOBIADwIC]A∩≤ΩwWH DECI-

MAL PÑΩ¼ xsAz IfxDecimal ½≤ xsC

IfxDecimalΣL½≤YΦk IfxDecimal ½≤CP LI600Gexplicitly B¿

uvC

IfxDecimal cl

v IfxDecimal( System.Double d )

v IfxDecimal( System.Decimal d )

v IfxDecimal( System.Int64 d )

v IfxDecimal( System.Int32 i32 )


sΩNπC

IfxDecimal e

ϕ 3-18. IfxDateTime e

e ¼ s í

E IfxDecimal ¬

RA

Lz e C

IsFloating System.Boolean ¬ pGΩOBIAh trueFh

falseC

IsNull System.Boolean ¬ pGΩOAh trueAh

falseC

IsPositive System.Boolean ¬ pGΩO Ah trueFh

falseC

MaxPrecision System.Byte ¬

RA

IfxDecimal Σ¬δ (

)Ce 32C

MaxValue IfxDecimal ¬

RA

IfxDecimal ñiejC

MinusOne IfxDecimal ¬

RA

-1C

MinValue IfxDecimal ¬

RA

IfxDecimal ñiepC

Null IfxDecimal ¬

RA

] IfxDecimalC

One IfxDecimal ¬

RA

1C

Pi IfxDecimal ¬

RA

Lz pi C

Zero IfxDecimal ¬

RA

0C

IfxDecimal Φk

IfxDecimal.Absv static IfxDecimal IfxDecimal.Abs( IfxDecimal IfxDec_ )

s IfxDecimalABÑ≤ IfxDec_ ∩C

IfxDecimal.Addv static IfxDecimal IfxDecimal.Add( IfxDecimal IfxDec1, IfxDecimal IfxDec2 )

s IfxDecimalABÑ≤ IfxDec1 M IfxDec2 XC

IfxDecimal.Ceilingv static IfxDecimal IfxDecimal.Ceiling( IfxDecimal IfxDec )

s IfxDecimalANϕúp≤ IfxDec pπC

3 ¼ΩT 3-43

IfxDecimal.Clonev IfxDecimal IfxDecimal.Clone()

s IfxDecimalANϕΩC

IfxDecimal.Comparev static System.Int32 IfxDecimal.Compare( IfxDecimal IfxDec1, IfxDecimal IfxDec2

)

IfxDec1 M IfxDec2 ∩ C

Nq

-1 IfxDec1 p≤ IfxDec2

0 IfxDecimal ½≤πP

1 IfxDec1 j≤ IfxDec2


≤⌠≤DC

IfxDecimal.CompareTov System.Int32 IfxDecimal.CompareTo( System.Object obj )

oÑP≤NΩϕ@ IfxDec1 MN obj ϕ@ IfxDec2 Is IfxDecimal.CompareC

½≤ obj O IfxDecimal ½≤CpGqΩ IsΦkAhoC

IfxDecimal.Dividev static IfxDecimal IfxDecimal.Divide( IfxDecimal Dividend, IfxDecimal Divi-

sor )

s IfxDecimalANϕ Dividend úH Divisor GC

IfxDecimal.Equalsv static System.Boolean IfxDecimal.Equals( IfxDecimal IfxDec1, IfxDecimal

IfxDec2 )

v System.Boolean IfxDecimal.Equals( System.Object obj )

pG IfxDecimal.Compare( IfxDec1, IfxDec2 ) 0AhΦk trueC

pGuw objAhNΩϕ@ IfxDec1AN obj ϕ@ IfxDec2 Cobj ½≤

O IfxDecimalC

IfxDecimal.Floorv static IfxDecimal IfxDecimal.Floor( IfxDecimal IfxDec )

s IfxDecimalAΣúj≤ IfxDec jπC


IfxDecimal.GetHashCodev System.Int32 IfxDecimal.GetHashCode()

Ω°ΩXC

⌠NΓπP IfxDecimal ½≤P°ΩXA²ΓπúP

IfxDecimal ½≤]iαP°ΩXC


kíC

IfxDecimal.GreaterThanv static System.Boolean IfxDecimal.GreaterThan( IfxDecimal IfxDec1, IfxDecimal

IfxDec2 )

pG IfxDecimal.Compare( IfxDec1, IfxDec2 ) 1AhΦk trueFh

falseC

IfxDecimal.GreaterThanOrEqualv static System.Boolean IfxDecimal.GreaterThanOrEqual( IfxDecimal IfxDec1,

IfxDecimal IfxDec2 )

pG IfxDecimal.Compare( IfxDec1, IfxDec2 ) 0 1AhΦk trueF

h falseC

IfxDecimal.LessThanv static System.Boolean IfxDecimal.LessThan( IfxDecimal IfxDec1, IfxDecimal

IfxDec2 )

pG IfxDecimal.Compare( IfxDec1, IfxDec2 ) -1AhΦk trueFh

falseC

IfxDecimal.LessThanOrEqualv static System.Boolean IfxDecimal.LessThanOrEqual( IfxDecimal IfxDec1,

IfxDecimal IfxDec2 )

pG IfxDecimal.Compare( IfxDec1, IfxDec2 ) 0 -1AhΦk trueF

h falseC

IfxDecimal.Maxv static IfxDecimal IfxDecimal.Max( IfxDecimal IfxDec1, IfxDecimal IfxDec2 )

s IfxDecimalABÑ≤ IfxDec1 IfxDec2 A°≤jwC

IfxDec1 P IfxDec2 úúαOC

IfxDecimal.Minv static IfxDecimal IfxDecimal.Min( IfxDecimal IfxDec1, IfxDecimal IfxDec2 )

s IfxDecimalABÑ≤ IfxDec1 IfxDec2 A°≤pwC

3 ¼ΩT 3-45

IfxDec1 P IfxDec2 úúαOC

IfxDecimal.Modulov static IfxDecimal IfxDecimal.Modulo( IfxDecimal a, IfxDecimal b )

IfxDecimal.Remainder PqrC

IfxDecimal.Multiplyv static IfxDecimal IfxDecimal.Multiply( IfxDecimal IfxDec1, IfxDecimal IfxDec2

)

s IfxDecimalABÑ≤ IfxDec1 H IfxDec2C

IfxDecimal.Negatev static IfxDecimal IfxDecimal.Negate( IfxDecimal IfxDec )

s IfxDecimalANϕΩ ( t) αGC

IfxDecimal.NotEqualsv static System.Boolean IfxDecimal.NotEquals( IfxDecimal IfxDec1, IfxDecimal

IfxDec2 )

pG IfxDecimal.Compare( IfxDec1, IfxDec2 ) 1 -1AhΦk trueC

IfxDecimal.Parsev static IfxDecimal IfxDecimal.Parse( System.String s )

s IfxDecimalABÑ≤ s ñϕpC

s ñeMµQñCziHbpMⁿñííJ e E ]A∩

ⁿCⁿiHOtC

d: UC C++ »zí@W d B -0.000032 IfxDecimalG

IfxDecimal d = IfxDecimal.Parse(" -3.2e-5 ");

IfxDecimal.Remainderv static IfxDecimal IfxDecimal.Remainder( IfxDecimal a, IfxDecimal b )

s IfxDecimalABπúk a úH b lCbípUAπúkϕ

b iJ a ñXpπAUOlC

l ( t) @X a C

IfxDecimal.Roundv static IfxDecimal IfxDecimal.Round( IfxDecimal IfxDec1, System.Int32

FractionDigits )

s IfxDecimalABÑ≤¡JpIkΣ FractionDigits IfxDec1C

pG FractionDigits O 0Ah¡J@CpG FractionDigits O -1Ah

¡JQAC


d: ] IfxDec1 O 123.45 IfxDecimalAUϕπ¡JúP

GC

FractionDigits IfxDecimal.Round(IfxDec1,FractionDigits) G

-2 100.0

-1 120.0

0 123.0

1 123.5

2 123.45

IfxDecimal.Subtractv static IfxDecimal IfxDecimal.Subtract( IfxDecimal IfxDec1, IfxDecimal IfxDec2

)

s IfxDecimalAB IfxDec1 ε IfxDec2C

IfxDecimal.ToStringv System.String IfxDecimal.ToString()

v System.String IfxDecimal.ToString ( System.String format )

HrΩµíΩCpGS formatAh@δQiµíAúⁿ

C

pGú formatAhHrΩñⁿwΦí µíΘXCIBM Informix ESQL/C Pro-

grammer’s Manual 5 ″Formatting Numeric Strings″ pí format ykC

IfxDecimal.Truncatev static IfxDecimal IfxDecimal.Truncate( IfxDecimal IfxDec1, System.Int32

FractionDigits )

ⁿ IfxDecimal.Round(IfxDec1, FractionDigits)A²NⁿwkΣrí]

0AD¡JC

d: oϕµúW IfxDec1 B 999.99 IfxDecimal gLGC

FractionDigits

IfxDecimal.Truncate(IfxDec1,FractionDigits) G

-2 900.0

-1 990.0

0 999.0

1 999.9

2 999.99

IfxError O

IfxError ONϕ IBM Informix ΩwúiΩC

3 ¼ΩT 3-47

IfxError e

Uϕπ IfxError OeC

ϕ 3-19. IfxError e

e í

Message oíC

NativeError o IBM Informix ΩwXC

SQLState oΩw¡rX (X ANSI SQL )C

IfxErrorCollection O

IfxErrorCollection ONϕ IfxException ½≤ñX IfxError ½≤XC

IfxErrorCollection e

Uϕπ IfxErrorCollection OeC

ϕ 3-20. IfxErrorCollection e

e í

Count IfxError bXñXC

IfxErrorCollection Φk

IfxErrorCollection.GetEnumeratorXC (IEnumerator)C

IfxException O

IfxException ONϕϕ IBM Informix Ωwiúº¼pC

IfxException e

Uϕπ IfxException OeC

ϕ 3-21. IfxException e

e í

Errors H IfxErrorCollection ½≤í o IfxError ½≤XC

HelpLink oº¼pí URL (pGi)C

InnerException oPµº¼pº¼pC

Message oº¼píσrC

StackTrace ooº¼pIs∩WΩrΩϕkC

TargetSite oº¼pΦkC


IfxMonthSpan c

IfxMonthSpan NϕSwδMC IfxMonthSpan NϕíeiAt

IfxMonthSpan NϕíhCIfxMonthSpan ]tiHq -11 999 999 999

δ 11 999 999 999 δ (11 999 999 999 δ = 999 999 999 S 11 δ)C

IfxMonthSpan w]Mδj¿C

ziHuδ IfxMonthSpanCoOFΩw°A INTERVAL

Ω¼µCu@íµú⌠≤OΘíC

IfxMonthSpan jíµlíµC IfxMonthSpan píµ

⌠íµClíµM⌠íµX IfxMonthSpan d≥C

d: pG IfxMonthSpan MδAhlíµOA⌠íµOδA

d≥hOδCpGuδAhd≥OδδABlíµM⌠

íµúOδC

b IfxMonthSpan AC IfxTimeUnit C¿ ⁿwíµCp

CΩTA\ 3-67 yIfxTimeUnit CzC

IfxMonthSpan

IfxMonthSpan cl

v IfxMonthSpan( System.Int32 val, IfxTimeUnit timeUnit )

sΩu@íµAB] valC

: StartTimeUnit M EndTimeUnit ú] timeUnitC

v IfxMonthSpan( System.Int32 _years, System.Int32 _months )

sΩÑ≤ _years M _months δXC\tC

IfxMonthSpan e

ϕ 3-22. IfxMonthSpan e

e ¼ s í

EndTimeUnit IfxTimeUnit ¬ ϕΩ⌠íµ

IfxTimeUnit CC

IsNull System.Boolean ¬ pGΩOAh trueFh

falseC

MaxValue IfxMonthSpan ¬

RA

]je IfxMonthSpanC

MinValue IfxMonthSpan ¬

RA

]pe IfxMonthSpanC

Months System.Int32 ¬ IfxTimeSpan ñδúH 12

lC

pG IfxMonthSpan OtAht

C

3 ¼ΩT 3-49

ϕ 3-22. IfxMonthSpan e (≥)

e ¼ s í

Null IfxMonthSpan ¬

RA

] IfxMonthSpanC

StartTimeUnit IfxTimeUnit ¬ IfxMonthSpan ]tjµC

TotalMonths System.Int64 ¬ IfxMonthSpan ñδC


C

Years System.Int32 ¬ IfxMonthSpan ñπC


C

Zero IfxMonthSpan ¬

RA

] 0 IfxMonthSpanC

IfxMonthSpan Φk

IfxMonthSpan.Addv IfxMonthSpan IfxMonthSpan.Add( IfxMonthSpan ms )

s IfxMonthSpanAB]ΩA[W ms ñíqC

ú IfxMonthSpan πPΩPd≥CΩúC

IfxMonthSpan.Comparev static System.Int32 IfxMonthSpan.Compare( IfxMonthSpan ms1, IfxMonthSpan ms2

)

Φkú±íZ∩jpAO± IfxTimeSpan ½≤ (pGúOr)CpA-12

íZp≤ 2 δíZC

ms1 M ms2 ∩ C

Nq

-1 ms1 p≤ ms2

0 ms1 M ms2 πP

1 ms1 j≤ ms2


≤⌠≤DC

IfxMonthSpan.CompareTov System.Boolean IfxMonthSpan.CompareTo( System.Object obj )

½≤ obj O IfxMonthSpanC

oÑP≤NoΩϕ@ ms1 N obj ϕ@ ms2 Is IfxMonthSpan.CompareC


IfxMonthSpan.Dividev IfxMonthSpan IfxMonthSpan.Divide( Decimal val )

s IfxMonthSpanAB]ΩúH valC

v IfxMonthSpan IfxMonthSpan.Divide( IfxMonthSpan ms )

jp ms (XΩNϕííZ) ííZCpGΣñ@

IfxMonthSpan ½≤OtΣª½≤úOtAhGtC

IfxMonthSpan.Durationv IfxMonthSpan IfxMonthSpan.Duration()

s IfxMonthSpanABÑ≤Ω∩C

IfxMonthSpan.Equalsv static Boolean IfxMonthSpan.Equals( IfxMonthSpan ms1, IfxMonthSpan ms2 )

pG ms1 M ms2 PAh trueFh falseC

v Boolean IfxMonthSpan.Equals( System.Object obj )

pG obj O@NϕPΩPí IfxMonthSpanAh trueFh

falseC

IfxMonthSpan.GetHashCodev System.Int32 IfxMonthSpan.GetHashCode()

Ω°ΩXC

⌠NΓπP IfxMonthSpan ½≤P°ΩXA²ΓπúP

IfxMonthSpan ½≤]iαP°ΩXC


kíC

IfxMonthSpan.GreaterThanv static System.Boolean IfxMonthSpan.GreaterThan( IfxMonthSpan ms1, IfxMonthSpan

ms2 )

pG IfxMonthSpan.Compare( ms1, ms2 ) 1AhΦk trueFh falseC

IfxMonthSpan.GreaterThanOrEqualv static System.Boolean IfxMonthSpan.GreaterThanOrEqual( IfxMonthSpan ms1,

IfxMonthSpan ms2 )

pG IfxMonthSpan.Compare( ms1, ms2 ) 1 0AhΦk trueFh

falseC

IfxMonthSpan.LessThanv System.Boolean IfxMonthSpan.LessThan( IfxMonthSpan ms1, IfxMonthSpan ms2 )

3 ¼ΩT 3-51

pG IfxMonthSpan.Compare( ms1, ms2 ) -1AhΦk trueFh

falseC

IfxMonthSpan.LessThanOrEqualv System.Boolean IfxMonthSpan.LessThanOrEqual( IfxMonthSpan ms1, IfxMonthSpan

ms2 )

pG IfxMonthSpan.Compare( ms1, ms2 ) -1 0AhΦk trueFh

falseC

IfxMonthSpan.Multiplyv IfxMonthSpan IfxMonthSpan.Multiply( Decimal val )

s IfxMonthSpanAB]ΩH valC

IfxMonthSpan.Negatev IfxMonthSpan IfxMonthSpan.Negate()

s IfxMonthSpanABÑ≤ΩA² ( t)C

IfxMonthSpan.NotEqualsv static System.Boolean IfxMonthSpan.NotEquals( IfxMonthSpan ms1, IfxMonthSpan

ms2 )

pG IfxMonthSpan.Compare( ms1, ms2 ) -1 1AhΦk trueFh

falseC

IfxMonthSpan.Parsev static IfxTimeSpan IfxMonthSpan.Parse( System.String val )

v static IfxTimeSpan IfxMonthSpan.Parse( System.String val, IfxTimeUnit start,

IfxTimeUnit end )

v static IfxTimeSpan IfxMonthSpan.Parse( System.String val, System.String for-

mat, IfxTimeUnit start, IfxTimeUnit end )

val s IfxMonthSpanCpGw formatAh val rΩOUCµ

íG

[s]y- m

s i∩CpGsbAhiα + -Cw]O +CΦA ([]) úO

ííZ@íCϕO∩C

y íZñπCO 0 999 999 999 d≥πC

m δCO 0 11 d≥πC

s IfxMonthSpan d≥O start endCIfxMonthSpan ñue\ Year M MonthCp

Gw start M endAhd≥O Year MonthCd≥ñC@µsb≤

val ñAYΣñ@sΓús]@Cúαd≥CpGu@

íµAhú -C


format rΩykP DBTIME ⌠PA²i]tmOd¡≤ %Y

M %mCb⌠wqñ %Y mOdⁿ 0 999 999 999 d≥C

πmOdµúsbCpykΩTA\ IBM Informix

Guide to SQL: Reference ñ DBTIME ⌠íC

pGMδPb val ñwB]Q format ⁿAhPΓAYd≥O

δδ]@CpG IfxMonthSpan d≥OABΣ]tLkH 12 ú

δAhñhlδC

d: ⁿOrΩΘXO 1C

IfxMonthSpan.Parse("1-11","%Y-%m",System.Double.Year,System.Double.Year).ToString()

pG IfxMonthSpan d≥OδδAMδwb val ñwAP]Q format

ⁿAhα½¿δC

d: ⁿOrΩΘXO 23C

IfxMonthSpan.Parse("1-11","%Y-%m",System.Double.Month,System.Double.Month).ToString()

IfxMonthSpan.Subtractv IfxMonthSpan IfxMonthSpan.Subtract( IfxMonthSpan ms )

s IfxMonthSpanAB]ΩAεh ms C

IfxMonthSpan.ToStringv System.String IfxMonthSpan.ToString()

v System.String IfxMonthSpan.ToString ( System.String format )


sy-m

s i∩CpG IfxMonthSpan OtAhoπεCY Ahú

π⌠≤C

y ñπ

m pΓ y ºßUδ

pG IfxMonthSpan u@íµAhuΘXíµA]ñ≤Mδ

ºíεuC

pGú formatAhHrΩñⁿwΦí µíΘXCformat rΩykP

DBTIME ⌠PA²ue\ %mB%y %Y mOdCbrΩñA%y M

%Y mOdΦíPCpykΩTA\ IBM Informix Guide to

SQL: Reference ñ DBTIME ⌠íC

IfxParameter O

IfxParameter ONϕ IfxCommand ½≤@CNϕ IfxParameterCollection

½≤ϕXñxsµ@C

3 ¼ΩT 3-53

IfxParameter O

IfxParameter cl

v IfxParameter()

v IfxParameter( System.String name, System.Object value )

v IfxParameter( System.String name, IfxType type )

v IfxParameter( System.String name, IfxType type, System.Int32 size )

v IfxParameter( System.String name, IfxType type, System.Int32 size,

System.String sourceColumn )

v IfxParameter( System.String name, IfxType type, System.Int32 size,

System.Data.ParameterDirection parameterDirection, System.Boolean

isNullable, System.Byte precision, System.Byte scale, System.String

sourceColumn, System.Data.DataRowVersion srcVersion, System.Object value

)

pUG

name

WC

value

ⁿúC

type

Informix ¼CpΩTA\ 3-69yIfxType CzC

size

jpC

parameterDirection

ϕOΘJBΘXΘJ/ΘXCpⁿΩTAd\ .NET

Framework Owñ System.Data.ParameterDirectionC

sourceColumn

µC

isNullable

pGiⁿAh] trueFh] falseC

precision

δC

scale

pC

srcVersion

C


IfxParameter e

Uϕπ IfxParameter OeC

ϕ 3-23. IfxParameter e

e í

DbType o]w DbTypeCDbType eⁿw IfxParameter ½≤Ω

¼C

Direction o]w@AⁿXOΘJBΘXBVxs

CpGΦVOΘXAB⌡µ÷p IfxCommand ⌠≤

Ah IfxParameter ]tCqß@G¬ß@εCº

ßAN≤s OutputBInputOut ReturnValue Cϕµßπ

Direction eiαC

IfxType o]w IfxTypeCIfxType eⁿw IBM Informix .NET Pro-

vider Ω¼C (∩M Informix Ω¼)C

IsNullable o]w@AⁿXOⁿC

ParameterName o]wWCParameterName XñC

SourceColumn o]w µWAµ∩M DataSetAB≤ⁿJ

CSourceColumn eiHϕ@ IfxParameter clA]

iH] IfxParameter ½≤e (\ yIfxParameter d

z)C

SourceVersion o]wbⁿJ DataRowVersionCSourceVersion ⁿw

IfxDataAdapter ½≤ DataRow CSourceVersion e

iHϕ@ IfxParameter clA]iH] IfxParameter

e (\ yIfxParameter dz)C

Value o]wC

IfxParameter d

@d IfxParameter ½≤C

//illustrates example of creating and using IfxParameter

//assume we have obtained a connection

IfxDataAdapter adpt = new IfxDataAdapter();

adpt.SelectCommand = new IfxCommand("SELECT CustomerID, Name FROM CustomersWHERE Country = ? AND City = ?", conn);

IfxParameter ifxp1 = new IfxParameter("Country",DbType.String);

IfxParameter ifxp2 = new IfxParameter("City",DbType.String);

//add parameter to the Parameter collection

//since our provider does not support named parameters, the order of parameters

//added to the collection is important.



//the above method of creating and adding a parameter can also be done in a

//single step as shown

//adpt.UpdateCommand.Parameters.Add("CustomerName",DbType.String);

//assign value to the parameter

adpt.UpdateCommand.Parameters.["CustomerName"] = "xyz";

3 ¼ΩT 3-55

U@dd SourceVersion M SourceColumn ekG

//The following assumptions have been made:

// 1.We have obtained a connection (conn) to our data source

//2. We have a filled a DataSet using a DataAdapter(custDA) that has the//following SelectCommand:

// "SELECT CustomerID, CompanyName FROM Customers WHERE Country = ? AND City =// ?";

// 3. following is the update statement for the UpdateCommand:

// string updateSQL = "UPDATE Customers SET CustomerID = ?, CompanyName = ? " +

// "WHERE CustomerID = ? ";

// 4.The CustomerID column in the DataRow being used has been modified with a// new value.

custDA.UpdateCommand = new IfxCommand(updateSQL,conn);

//The customer id column is being used as a source for 2 parameters.

//(set CustomerID = ?, and //where CustomerID = ?)

//the last parameter to the Add command specifies the SourceColumn for the

//parameter

IfxParameter myParam1 = custDA.UpdateCommand.Parameters.Add("CustomerID", IfxType.Char,5,"CustomerID");

//The following line of code is implied as default, but is provided for

//illustrative purposes

//We want to update CustomerID with the current value in the DataRow.myParam1.SourceVersion = DataRowVersion.Current;

//Current is the default value

custDA.UpdateCommand.Parameters.Add("CompanyName", IfxType.VarChar);

//The last parameter to the Add command specifies the SourceColumn for the

//parameter

IfxParameter myParm2 = custDA.UpdateCommand.Parameters.Add("OldCustomerID", IfxType.Char,5,"CustomerID");

//We want to use in our search filter, the original value of CustomerID in

//the DataRow

MyParm2.SourceVersion = DataRowVersion.Original;

CustDA.Update();

IfxParameterCollection O

IfxParameterCollection ONϕ IfxCommand ½≤C

IfxParameterCollectionzún IfxParameterCollectionCIfxCommand ñ½≤C

IfxCommand.Parameters e s½≤C


IfxParameterCollection e

Uϕπ IfxParameterCollection OeC

ϕ 3-24. IfxParameterCollection e

e í

Count XñC

Item oⁿwWC

IfxParameterCollection Φk

IfxParameterCollection.Addv IfxParameter Add( IfxParameter value )

N IfxParameter ½≤ value sW IfxParameterCollectionC

v IfxParameter Add( System.Object value )

v IfxParameter Add( System.String parameterName, System.Object value )

v IfxParameter Add( System.String parameterName, IfxType IfxType )

v IfxParameter Add( System.String parameterName, IfxType ifxType,

System.Int32 size )

v IfxParameter Add( System.String parameterName, IfxType ifxType,

System.Int32 size, System.String sourceColumn )

w IfxParameter ½≤AMßNΣsW IfxParameterCollectionCp

C≤÷ΩTA\ 3-56y IfxParameterCollectionzC

ΦkwsW IfxParameterC

IfxParameterCollection.Clearv void IfxParameterCollection.Clear()

ú IfxParameterCollection ½≤ñC

IfxParameterCollection.Containsv System.Boolean IfxParameterCollection.Contains( System.Object value )

v System.Boolean IfxParameterCollection.Contains( System.String value )

o@AⁿXXñOⁿw ϕµWC

IfxParameterCollection.CopyTov void IfxParameterCollection.CopyTo( System.Array array, System.Int32 index

)

NXsⁿwWCñC

3 ¼ΩT 3-57

IfxParameterCollection.GetEnumeratorv System.Collections.IEnumerator IfxParameterCollection.GetEnumerator()

XCC

IfxParameterCollection.IndexOfv System.Int32 IfxParameterCollection.IndexOf( System.Object value )

v System.Int32 IfxParameterCollection.IndexOf( System.String value )

o IfxParameter ½≤bXmC

IfxParameterCollection.Insertv void IfxParameterCollection.Insert( System.Int32 index, System.Object value)

NíJⁿwmWC

IfxParameterCollection.Removev void IfxParameterCollection.RemoveAt( System.Object value )

qXñú IfxParameter ½≤C

IfxParameterCollection.RemoveAtv void IfxParameterCollection.RemoveAt( System.String parameterName )

v void IfxParameterCollection.RemoveAt( System.Int32 index )

qXñúW parameterName bm index W IfxParameter ½≤C

IfxProviderFactory O

ziH IfxProviderFactory O gPúL÷ΩsíXCbon

ú Factory ΩºßAziHQú Factory úSΩs

OΩCIfxProviderFactory @sΩioOΩΦkC

w∩ Dynamic Server úí IBM.Data.InformixAziH DbProviderFactory O

Sa DbProvider ΩApUCdG

DbProviderFactory factory = DbProviderFactories.GetFactory("IBM.Data.Informix");

IfxProviderFactory Φk

IfxProviderFactory.CreateConnectionStringBuilderv IfxProviderFactory CreateConnectionStringBuilder( IfxProviderFactory )

DbConnectionStringBuilder ΩAíoi AsurΩ

IfxProviderFactory.CreateConnectionv IfxProviderFactory.CreateConnection( IfxParameter value )


DbConnection ΩAíoi sΩxswC DbConnection

O CreateCommand() ΦkAΦkis DbCommand ΩCúF

DbProviderFactory.CreateCommand() ΦkAoiH∩Φk suⁿO

IfxProviderFactory.CreateCommandv IfxProviderFactory.CreateCommand()

oi ⌡µ SQL »zíMxsCDbCommand O CreateParameter()

ΦkAΦkis DbParameter ΩCúF DbProviderFactory.CreateParameter()

ΦkAoiH∩Φk ⁿOC

IfxProviderFactory.CreateParameterv IfxProviderFactory.CreateParameter ( )

DbParameter ΩAíoi NJMX SQL »zíxs

IfxProviderFactory.CreateCommandBuilderv IfxProviderFactory.CreateCommandBuilder()

DbCommandBuilder ΩAíoi DataAdapter

UPDATEBINSERT DELETE SQL »zí

IfxProviderFactory.CreateDataAdapterv IfxProviderFactory.CreateDataAdapter( )

DbDataAdapter ΩAíoi ±J≤s DataSet DataTableC

IfxProviderFactory.CreateDataSourceEnumeratorv IfxProviderFactory.CreateDataSourceEnumerator( )

DbDataSourceEnumera to r ΩAíoi dg

DbProviderFactory ΩoΩ C

IfxProviderFactory.CreatePermission ( PermissionState )v IfxProviderFactory.CreatePermission ( PermissionState)

PermissionState CAMß CodeAccessPermission ΩAzi T

wwAϕ\ivIs sns½≤C

3 ¼ΩT 3-59


C¿i@BnA ]w¬ IfxBlob IfxClob ½≤ Flags eñ

XCϕ Flags ePC¿gL AND BΓºßApGGúOsA

hΣϕNqpUϕC

¿ Nq

DontKeepAccessTime pGO¬Ahoϕz¼j¼½≤úlesíC

pGOgJAhⁿΩw°Aúnlz¼j¼½≤

esíC

Xm½ KeepAccessTime (pGPwΓ)C

KeepAccessTime pGO¬Ahoϕz¼j¼½≤lesíC

pGOgJAhⁿΩw°Ahlz¼j¼½≤

esíC

síl\α[½Ωw°Au@qC\

αºeAfVC

Log pGO¬AhoϕΩw°ANz¼j¼½≤

≤OⁿtΘxC

pGOgJAhⁿΩw°ANz¼j¼½≤≤

OⁿtΘxC

b\αºeAq∩Ωw°Ay¿Bu@qH

±JtΘxñBΩTC

NoLog pGO¬Ahoϕz¼j¼½≤≤úOⁿt

ΘxC

pGOgJAhⁿΩw°AúnNz¼j¼½≤

≤OⁿtΘxC

Xm½ Log (pGPwΓ)C

IfxSmartLOBFileLocation C

C ⁿXSwb () qúC

¿ Ωw

Client ≤⌡µßíqúWC

Server ≤⌡µΩw°AqúWC

IfxSmartLOBLocator O

oOCÑOAOs÷z¼j¼½≤xsm÷ΩTCO ESQL/C

wcCzúúnTasOΩC


IfxSmartLOBLockMode C

C ⁿXSwΩw¼C

¿ Ωw

Exclusive gJC

Shared ¬MgJCΩ±JwABubz¼j¼½≤÷¼

gJΩw°AC

IfxSmartLOBOpenMode C

C ⁿXH≥í IfxBlob IfxClob ½≤CziHbz∩¿

W⌡µ OR BΓAHⁿwsz¼j¼½≤ΦíC

¿ Nq

Append pGµWAhz¼j¼½≤¬CpGP ReadWrite

Write @AhbgJ⌠≤ΩºeAσz¼j¼½

≤AHO@H[ΦígJC

Buffer pGoOsí@íAh¬MgJΩw°

Aw

DirtyRead ¬C\z¬z¼j¼½≤ñTwC

LockAll pGoOsí@íAhbz¼j¼½≤W]m⌠≤Ωw

NΩwπz¼j¼½≤C

LockRange pGoOsí@íAh\zuΩwz¼j¼½≤ñY

d≥AúΩwπz¼j¼½≤C

Nobuffer pGoOsí@íAh¬MgJΩw°A

Ñq@xsúMwC

ReadOnly ¬C

ReadWrite ¬MgJC

WriteOnly gJC

IfxSmartLOBWhence C

C ⁿwNqC IfxBlob IfxClob (Xz¼j¼½≤) Φ

kC

¿ Ωw

Begin w]qz¼j¼½≤YΓCbípUAúαOtC

Current w]qz¼j¼½≤íσµmΓC

End w]qz¼j¼½≤µΓC

3 ¼ΩT 3-61

IfxTimeSpan c

IfxTimeSpan Nϕíeih@qSw°C IfxTimeSpan Nϕíe

iAt IfxTimeSpan NϕíhC

IfxTimeSpan w]UCUíµj¿G

v Θ

v

v

v ϕ

v ϕp

ziHuWzíµl IfxTimeSpanCoOFΩw°A

INTERVAL Ω¼µCb IfxTimeSpan ñíµú⌠≤

OΘíC

IfxTimeSpan jíµlíµCIfxTimeSpan píµ⌠

íµClíµB⌠íµΓºíµ IfxTimeSpan d

≥C

d: pG IfxTimeSpan pBBϕµAhlíµOpA⌠íµ

OϕAd≥hOpϕC

b IfxTimeSpan A IfxTimeUnit C¿ ⁿwíµCpC

ΩTA\ 3-67 yIfxTimeUnit CzC

IfxTimeSpanbⁿhíµclñAUú@w÷Aúb IfxDateTime

clñ÷C@ (t) HWíµiHOtC IfxTimeSpan

Ñ≤UµϕípC

d: ]z 50 B27 p -5 oT IfxTimeSpanCú

IfxTimeSpan N] 51 2 pS 55 C

IfxTimeSpan cl

v IfxTimeSpan( System.Int64 _ticks )

v IfxTimeSpan( System.Decimal _ticks )

sΩd≥O Day Fraction5AB] _ticks ΦC

@ϕ 10 000 000 ΦC

: Φ± Fraction5 ≤δTCΦkMBΓlñhlδC

v IfxTimeSpan( System.TimeSpan ts )

sΩP ts PABd≥O Day Fraction5C

v IfxTimeSpan( System.Int32 val, IfxTimeUnit timeUnit )

sΩu@íµAB] valC


: StartTimeUnit M EndTimeUnit ú] timeUnitC

v IfxTimeSpan( System.Int32 val1, System.Int32 val2, IfxTimeUnit start,

IfxTimeUnit end)

v IfxTimeSpan( System.Int32 val1, System.Int32 val2, System.Int32 val3,

IfxTimeUnit start, IfxTimeUnit end)


System.Int32 val4, IfxTimeUnit start, IfxTimeUnit end)


System.Int32 val4, System.Int32 val5, IfxTimeUnit end)

pGw val1 val5A]líµ] DayAHS start F

hAsΩd≥O start endC end íµMwpíδAH@w

OnC

d≥ñµúúCval1 líµCΣl

d≥ñΣLíµC

IfxTimeSpan e

ϕ 3-25. IfxTimeSpan eC

e ¼ s í

Days System.Int64 ¬ IfxTimeSpan ñπΘCpG IfxTimeSpan OtA

hoNOtC

EndTimeUnit IfxTimeUnit ¬ IfxTimeSpan ]tpµC

d: pG IfxTimeSpan Day MinuteAh Minute

O EndTimeUnitC

Hours System.Int64 ¬ IfxTimeSpan ñπIúH 24 lC

: AoNÑ≤ ToString rΩpíñ

r

IsNull System.Boolean ¬ pG IfxTimeSpan OAhe TrueAh

FalseC

MaxScale System.Int32 ¬

RA

ñϕpíe\jCeO 5C

MaxValue IfxTimeSpan ¬

RA

]je IfxTimeSpanC

Milliseconds System.Int64 ¬ IfxTimeSpan ñπ@ϕúH 1000 lC

pG IfxTimeSpan OtAhoNOtC

Minutes System.Int64 ¬ IfxTimeSpan ñπIúH 60 lCpG

IfxTimeSpan OtAhoNOtC

MinValue IfxTimeSpan ¬

RA

IfxTimeSpan ñiepC

Null IfxTimeSpan ¬

RA

] IfxTimeSpanC

Seconds System.Int64 ¬ ΩñπúH 60 lCpGΩOt

AhoNOtC

StartTimeUnit IfxTimeUnit ¬ IfxTimeSpan ]tjµC

3 ¼ΩT 3-63

ϕ 3-25. IfxTimeSpan eC (≥)

e ¼ s í

Ticks System.Decimal ¬ IfxTimeSpan ϕí°ñΦC@ϕ 10

000 000 ΦC

pG IfxTimeSpan OtAhoNOtC

Zero IfxTimeSpan ¬

RA

0C

IfxTimeSpan Φk

UCO IfxTimeSpan ½≤ΦkC

IfxTimeSpan.Addv IfxTimeSpan IfxTimeSpan.Add( IfxTimeSpan ts )

s IfxTimeSpanAB]ΩA[W ts ñíqC

ú IfxTimeSpan πPΩPd≥CΩúC

IfxTimeSpan.Comparev static System.Int32 IfxTimeSpan.Compare( IfxTimeSpan ts1, IfxTimeSpan ts2

)

Φkú±íZ∩jpAO± IfxTimeSpan ½≤ (pGúOr)CpA-12

píZp≤ 2 píZC

ts1 M ts2 ∩ C

Nq

-1 ts1 p≤ ts2

0 ts1 M ts2 πP

1 ts1 j≤ ts2


≤⌠≤DC

IfxTimeSpan.CompareTov System.Boolean IfxTimeSpan.CompareTo( System.Object obj )

½≤ obj O IfxTimeSpanC

oÑP≤N IfxTimeSpan ϕ@ ts1 N obj ϕ@ ts2 Is IfxTimeSpan.CompareC

IfxTimeSpan.Dividev IfxTimeSpan IfxTimeSpan.Divide( Decimal val )

s IfxTimeSpanAB]l IfxTimeSpan úH valC

v IfxTimeSpan IfxTimeSpan.Divide( IfxTimeSpan ts )


jp ts (X IfxTimeSpan ΩNϕííZ) ííZCpGΣñ

@ IfxTimeSpan ½≤OtΣª½≤úOtAhGtC

IfxTimeSpan.Durationv IfxTimeSpan IfxTimeSpan.Duration()

s IfxTimeSpanABÑ≤Ω∩C

IfxTimeSpan.Equalsv static Boolean IfxTimeSpan.Equals( IfxTimeSpan ts1, IfxTimeSpan ts2 )

pG ts1 M ts2 PAh trueFh falseC

v Boolean IfxTimeSpan.Equals( System.Object obj )

pG obj O@PΩπP IfxTimeSpanAh trueFh falseC

IfxTimeSpan.GetHashCodev System.Int32 IfxTimeSpan.GetHashCode()

IfxTimeSpan °ΩXC

⌠NΓπP IfxTimeSpan ½≤P°ΩXA²ΓπúP

IfxTimeSpan ½≤]iαP°ΩXC


kíC

IfxTimeSpan.GreaterThanv static System.Boolean IfxTimeSpan.GreaterThan( IfxTimeSpan ts1, IfxTimeSpan

ts2 )

pG IfxTimeSpan.Compare( ts1, ts2 ) 1AhΦk trueCh falseC

IfxTimeSpan.GreaterThanOrEqualv static System.Boolean IfxTimeSpan.GreaterThanOrEqual( IfxTimeSpan ts1,

IfxTimeSpan ts2 )

pG IfxTimeSpan.Compare( ts1, ts2 ) 1 0AhΦk trueCh

falseC

IfxTimeSpan.LessThanv System.Boolean IfxTimeSpan.LessThan( IfxTimeSpan ts1, IfxTimeSpan ts2 )

pG IfxTimeSpan.Compare( ts1, ts2 ) -1AhΦk trueCh falseC

IfxTimeSpan.LessThanOrEqualv System.Boolean IfxTimeSpan.LessThanOrEqual( IfxTimeSpan ts1, IfxTimeSpan ts2

)

3 ¼ΩT 3-65

pG IfxTimeSpan.Compare( ts1, ts2 ) -1 0AhΦk trueCh

falseC

IfxTimeSpan.Negatev IfxTimeSpan IfxTimeSpan.Negate()

s IfxTimeSpanABÑ≤ΩA² ( t)C

IfxTimeSpan.NotEqualsv static System.Boolean IfxTimeSpan.NotEquals( IfxTimeSpan ts1, IfxTimeSpan

ts2 )

pG IfxTimeSpan.Compare( ts1, ts2 ) -1 1AhΦk trueCh

falseC

IfxTimeSpan.Parsev static IfxTimeSpan IfxTimeSpan.Parse( System.String _szTime )

v static IfxTimeSpan IfxTimeSpan.Parse( System.String _szTime, IfxTimeUnit

start, IfxTimeUnit end )

v static IfxTimeSpan IfxTimeSpan.Parse( System.String _szTime, System.String

format, IfxTimeUnit start, IfxTimeUnit end )

_szTime s IfxTimeSpanCpGw formatAh _szTime rΩO

UCµíG

[-]d h:m:s.f

- i∩CpGsbAh IfxTimeSpan NOtCΦA ([]) ϕ

O∩CúOµí@íC

d ϕπCO 0 999 999 999 d≥πC

h CO 0 23 d≥πC

m CO 0 59 d≥πC

s πϕCO 0 59 d≥πC

f ϕpíCñWL 5 pδC

s IfxTimeSpan d≥O start endCpGw start M endAhd≥O Day

Fraction5C

d≥ñíµsb≤ _szTime ñAYs]@CpGú formatAh

WXd≥íµ¿∩CYsb]QñCpGú formatAhú

e\WXd≥íµC

format rΩykP DBTIME ⌠PA²úα]tδmOdC

pykΩTA\ IBM Informix ESQL/C Programmer’s Manual ñ

DBTIME ⌠íC

IfxTimeSpan.ToStringv System.String IfxTimeSpan.ToString()

v System.String IfxTimeSpan.ToString ( System.String format )



D hh:mm:ss.f

D ñπ

hh ΓpAd≥q 00 23

mm

Γ

ss Γϕ

f ϕpí

rΩútWXΩd≥íC

pGú formatAhHrΩñⁿwΦí µíΘXC format rΩyk

P DBTIME ⌠PCpykΩTA\ IBM Informix Guide to SQL:

Reference ñ DBTIME ⌠íC

IfxTimeUnit C

IfxTimeUnit O@CAs±ift IfxDateTimeBIfxMonthSpan IfxTimeSpan

íµC∩≤C@DníµAIfxTimeUnit ñúΣ¿C

ϕ 3-26. IfxTimeUnit Dp¿

IfxTimeUnit¿ µ

Year

Month δ

Day Θ

Hour

Minute

Second ϕ

C]@¿α≈HúPδ ϕϕpC

ϕ 3-27. IfxTimeUnit p¿

IfxTimeUnit ¿

δ d

Fraction1 Qº@ϕ 1962-04-16 11:35:10.1

Fraction2 º@ϕ 1962-04-16 11:35:10.12

Fraction

Fraction3

dº@ϕ 1962-04-16 11:35:10.123

Fraction4 Uº@ϕ 1962-04-16 11:35:10.1234

Fraction5 QUº@ϕ 1962-04-16 11:35:10.12345

: Informix íΩ¼@eα≈H@ϕ (dº@ϕ) ϕpíC²

Seα≈HΣL⌠≤δ ϕpC

3 ¼ΩT 3-67

IfxTransaction O

IfxTransaction ONϕn∩Ωw⌡µµ÷C

IfxTransaction e

Uϕπ IfxTransaction OeC

ϕ 3-28. IfxTransaction e

e í

Connection nPµ÷ú÷p IfxTransaction ½≤C

IsolationLevel µ÷j≈hC

: N IBM Informix Ωw°A íAiCj≈hPi½¬

j≈hPCpGzb .NET ñNj≈h]i½¬Ah

ΩWbΩw°Añ]iCC

IfxTransaction Φk

IfxTransaction.CommitTwΩwµ÷C

IfxTransaction.RollbackNµ÷qm¼Añ C

bí⌡µznQεµ÷ⁿOºeAz²Nsuñ@ñµ÷

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hº¼pC

IfxTransaction d

UCdπp≤bµ÷⌡µíJC MyCommand.Transaction = myTrans; ⁿO

ⁿú@ñµ÷ IfxCommand ½≤ Transaction eC

IfxConnection myConn = new IfxConnection("Host=ajax;Server=myServer;Service=9401;database=dotnet;user id=xxx;password=xxx");

myConn.open();

IfxTransaction myTrans = myConn.BeginTransaction();

IfxCommand myCommand = new IfxCommand();

MyCommand.Transaction = myTrans;

MyCommand.CommandText = "INSERT INTO mytab(custid,custname)values(1005,\"Name\");"

MyCommand.ExecuteNonQuery();

MyTrans.Commit();

MyConn.Close();


IfxType C

CP IfxParameter ½≤ftCC@¿Nϕ Informix Ωw°AΣ

@Ω¼C 3-69 ϕ 3-29 π¿C@¿p≤∩M .NET

DbType ¼M .NET Framework ¼Cp Informix ¼ΩTA\ IBM

Informix Guide to SQL: ReferenceC

ϕ 3-29. IfxType C

¿

.NET DbType(AX)

.NET Framework ¼

(AX)

Blob Binary Byte[]

Boolean Boolean Boolean

Byte Binary Byte[]

Char StringFixedLength String

Char1 StringFixedLength Char

Clob String String

Collection String String

Date Date DateTime

DateTime DateTime DateTime

Decimal Decimal Decimal

Float Double Double

Int8 Int64 Int64

Integer Int32 Int32

IntervalDayFraction String TimeSpan

IntervalYearMonth String String

List String String

LVarChar String String

Money Currency Decimal

MultiSet String String

NChar StringFixedLength String

NVarChar String String

Row String String

Serial Int32 Int32

Serial8 Int64 Int64

Set String String

SmallFloat Single Single

SmallInt Int16 Int16

SmartLOBLocator Binary Byte[]

Text String String

VarChar String String

3 ¼ΩT 3-69


4 dí

dí . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1µ@ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1hεC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2⌡µúΩ]úµ÷ SQL . . . . . . . . . . . . . . . . . . . . . . . . . 4-3NΩ DataSet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 IfxCommandBuilder ½≤ ≤PΩw≤@P . . . . . . . . . . . . . . . . . . . 4-4Isxs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5íµ÷ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6N CLOB gJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

dí

IBM Informix .NET Provider dí≤ %INFORMIXDIR%\demo\dotnetdemo Ω

¿ñC

d≥[\UCíoΓG

v C++ Windows Forms

v VB.NET Windows Forms

v ASP.NET Web Forms

d

úud dSw½≤kAπp≤⌡µSwΩw@C

Fⁿπ½IAdúuC]AªúNϕΩBπíCdú

w≤H C++ yÑgDxíC]ú]zwbíñ[JUCⁿ

J IBM.Data.Informix WíG


Σñ\hd IBM Informix Ωw°A]tΣñ@dΩwC

dΩwO stores_demo M superstores_demoCIBM Informix DB-Access ΓU

ñúp≤oΩwⁿC

µ@

pGDzn⌡µ SQL µ@A IfxCommand.ExecuteScalar ΦkC

IfxCommand.ExecuteScalar Φk System.ObjectCzN½≤jεα¼zw

Ω¼C]d COUNT(*) ΘXOpAH System.Object

njεα¼ System.Decimal ¼C

p IfxCommand O÷ΩTA\ 3-17yIfxCommand OzC

try

// Open a connectionIfxConnection conn =

new IfxConnection("Host=myhost;Service=1541;Server=myifxserver;Database=stores_demo;"+ "User ID=mylogin;password=mypassword"


);conn.Open();

// Create an SQL commandIfxCommand cmd = new IfxCommand(

"SELECT COUNT(*) FROM customer",conn);

Decimal ccount = (Decimal)cmd.ExecuteScalar();Console.WriteLine("There are " + ccount + " customers");

// Close the connectionconn.Close();Console.ReadLine(); // Wait for a Return

catch(IfxException e)

Console.WriteLine(e.ToString());Console.ReadLine(); //Wait for a Return

hεC

ds stores_demo ΩwAMß IfxDataReader ½≤q customer ϕµñ

WrC

pGzúngJA]únA IfxDataReader ½≤ ⌡µµΩ

sCp IfxDataReader O÷ΩTA\ 3-31yIfxDataReader

OzC

try


new IfxConnection("Host=myhost;Service=1541;Server=myifxserver;Database=stores_demo;"+ "User ID=mylogin;password=mypassword");

conn.Open();


"SELECT fname FROM customer",conn );

IfxDataReader dr = cmd.ExecuteReader();// Write the data to the consolewhile (dr.Read())

Console.WriteLine(dr["fname"].ToString());Console.ReadLine(); // Wait for a Returndr.Close();

// Close the connectionconn.Close();catch(IfxException e)

Console.WriteLine(e.ToString());Console.ReadLine(); // Wait for a Return


⌡µúΩ]úµ÷ SQLYn⌡µú⌠≤Ω SQL »zíA IfxCommand.ExecuteNonQuery Φ

kCúΩ SQL »zí¼]AG

v íJ

v ≤s

v Rú

v ≤Ωw½≤

dπp≤ IfxCommand.ExecuteNonQuery ⌡µíJA]πp≤bµ

÷⌡µ IfxCommandCYn²d B@Astores_demo Ωwπµ÷O

ⁿCYnπµ÷Oⁿ stores_demo ΩwAft -log ∩ ⌡µ

dbaccessdemo ⁿOC

p IfxCommand OΩTA\ 3-17yIfxCommand OzCp

IfxTransaction OΩTA\ 3-68yIfxTransaction Oz

try// Open a connectionIfxConnection conn = new IfxConnection(

"Host=myhost;Service=1541;"+ "Server=myifxserver;Database=stores_demo;"+ "User ID=mylogin;password=mypassword"

);conn.Open();

//Begin the transactionIfxTransaction tx = conn.BeginTransaction();

//Create an IfxCommand that uses the connection and transactionIfxCommand cmd = new IfxCommand(

"INSERT INTO state VALUES(’XX’,’No State’)",conn,tx );

//Execute the commandcmd.ExecuteNonQuery();

//Commit the transactiontx.Commit();

// Close the connectionconn.Close();catch(IfxException e)Console.WriteLine(e.ToString());Console.ReadLine(); //Wait for a Return

NΩ DataSetYnNΩwΩT System.Data.DataSet ½≤ñ i@BBzA

IfxDataAdapter ½≤Cd System.Data.DataSetAMßN customer ϕµñW

rMm≤ΘJ DataSet ñCAFϕwΘJAH XML µíN

System.Data.DataSet ΘXDxC

p IfxDataAdapter ½≤ΩTA\ 3-28yIfxDataAdapter OzC

pΩ÷ΩTA\ .NET ADO σ≤C

4 dí 4-3

try


new IfxConnection("Host=myhost;Service=1541;Server=myifxserver;Database=stores_demo;"+ "User ID=mylogin;password=mypassword");

conn.Open();

IfxDataAdapter da = new IfxDataAdapter("SELECT fname, lname FROM customer",conn );

System.Data.DataSet ds = new System.Data.DataSet("Names");

//Fill the DataSetda.Fill(ds);

//The DataSet is ready to use.//This example outputs the DataSet to the Console as XML//just to show that it is populated.ds.WriteXml(Console.Out);Console.ReadLine(); //Wait for a Return

// Close the connectionconn.Close();

catch(IfxException e)

Console.WriteLine(e.ToString());Console.ReadLine(); //Wait for a Return

IfxCommandBuilder ½≤≤PΩw≤@P

ziH IfxCommandBuilder ½≤ft SQL SELECT »zí ΩBbΩ

Wiµ≤AMßo≤P IBM Informix Ωw≤@PApUCdC

IfxCommandBuilder ½≤iH÷aΩW≤PΩw≤@PC

p IfxCommandBuilder O÷ΩTA\ 3-20yIfxCommandBuilder

OzCpbΩwñ≤≤@P÷ΩTA\ 1-5y DataSet

≤PΩw≤@PzC

// Add the IBM Informix namespace

using System.Data;


// Create a connection

IfxConnection conn=new IfxConnection("Host=berry; Service=3500;Server=testserver; User ID=informix; password=ifxtest;Database=testdb");

// Create a DataAdapter object

IfxDataAdapter allDataAdapter = new IfxDataAdapter();

IfxCommand selCmd = new IfxCommand("SELECT * FROM students", conn);

allDataAdapter.SelectCommand = selCmd;

//Set up the CommandBuilder object

IfxCommandBuilder cbuild = new IfxCommandBuilder(allDataAdapter);

DataSet allDataSet = new DataSet ();

try


// Open the connection

conn.Open();

allDataAdapter.Fill(allDataSet);

// Change the age of a student

DataRow chRow;

chRow = allDataSet.Tables["Table"].Rows[5];

chRow["age"] = 24;

// Use IfxDataAdapter.Update() to reconcile changes with the database

allDataAdapter.Update(allDataSet);

catch (Exception ex);

// Use a messagebox to show any errors

MessageBox.Show (ex.Message);

// Close the connection

conn.Close();

Isxs

ziH IfxCommand ½≤ IsxsCzN IfxCommand ½≤

CommandType e] StoredProcedureCUCdπp≤⌡µxsAMß

IfxDataReader ½≤ ¬xs⌠≤GC

p IfxCommand O÷ΩTA\ 3-17yIfxCommand OzCp

Isxs÷ΩTA\ 1-7yIsxszC

// Add the IBM Informix namespace

using System.Data;


// Create a connection

IfxConnection conn=new IfxConnection("Host=berry; Service=3500;Server=testserver; User ID=informix; password=ifxtest;Database=testdb");

conn.Open();

//Create a command object for the stored procedure

IfxCommand spCmd = new IfxCommand("testproc", conn);

// Set the CommandType property to Storedprocedure

spCmd.CommandType = CommandType.StoredProcedure

IfxDataReader testDataReader;

try

testDataReader = spCmd.ExecuteReader();

testDataReader.Close();

4 dí 4-5

catch (Exception ex)

// Use a messagebox to show any errors

MessageBox.Show (ex.Message);

// Close the connection

conn.Close();

íµ÷

UCdΩíX dp≤íµ÷C

...using System.EnterpriseServices;using IBM.Data.Informix;...[assembly: AssemblyKeyFile("test.snk")]...

public static void Main()

.../* The ’using’ construct below results in a call to Dispose onexiting the curly braces. It is important to dispose of COM+objects as soon as possible, so that COM+ services such asObject Pooling work properly */

using (TwoPhaseTxn txn = new TwoPhaseTxn)

txn.TestAutoComplete_Exception();

using (TwoPhaseTxn txn = new TwoPhaseTxn)

txn.TestAutoComplete_TransactionVote();...

//Transaction attributes specify the type of transaction requested

[Transaction(TransactionOption.RequiresNew)]public class TwoPhaseTxn : ServicedComponent

[AutoComplete]public void TestAutoComplete_Exception()

IfxConnection ifxConn1 = new IfxConnection(“db=db1;server=srv1;enlist=true;”);


try

// db operation on ifxConn1catch

// throw exception

try

// db operation on ifxConn2


catch

// throw exception

[AutoComplete]

public void TestAutoComplete_TransactionVote()



try


// In case of any failure, flag abortContextUtil.MyTransactionVote = TransactionVote.Abort

try


// In case of any failure, flag abort

ContextUtil.MyTransactionVote = TransactionVote.Abort

N CLOB gJ

ds superstores_demo ΩwAMßN catalog ϕµñ CLOB gJ

C:\tmp ²UCN BLOB gJ]OPNC

NA² IfxClob ΩA αiµsC

p IfxClob O÷ΩTA\ 3-12yIfxClob OzC

try


new IfxConnection("Host=myhost;" +"Service=1576;" +"Server=mydbserver;"+"Database=superstores_demo;" +"User ID=mylogin;password=mypassword");

conn.Open();


"SELECT advert_descr, catalog_num FROM catalog",conn);

IfxDataReader dr = cmd.ExecuteReader();

// Write any CLOBs to files in C:\tmp

4 dí 4-7

while (dr.Read())

if(!dr.IsDBNull(0))IfxClob c = dr.GetIfxClob(0);long num = dr.GetInt64(1);

c.Open(IBM.Data.Informix.IfxSmartLOBOpenMode.ReadOnly);c.ToFile(

"C:\\tmp\\" + num.ToString() + ".txt",System.IO.FileMode.Create,IfxSmartLOBFileLocation.Client);

dr.Close();

// Close the connectionconn.Close();

catch(Exception e)

//This is assumed to be a console applicationConsole.WriteLine(e.ToString());


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IBM Director of LicensingIBM CorporationNorth Castle DriveArmonk, NY 10504-1785U.S.A.

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IBM World Trade Asia Corporation Licensing2-31 Roppongi 3-chome, Minato-kuTokyo 106-0032, Japan

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MinValue e 3-43

Modulo Φk 3-46

Multiply Φk 3-46

Negate Φk 3-46

NotEquals Φk 3-46

Null e 3-43

One e 3-43

Parse Φk 3-46

Pi e 3-43

Remainder Φk 3-46

Round Φk 3-46

Subtract Φk 3-47

ToString Φk 3-47

Truncate Φk 3-47

kd 3-47

Zero e 3-43

IFXDOTNETTRACE ⌠ 1-8

IFXDOTNETTRACEFILE ⌠ 1-9

IfxError O 3-47, 3-48

e 3-48

Message e 3-48

NativeError e 3-48

SQLState e 3-48


Φk 3-48

Count e 3-48

GetEnumerator Φk 3-48

IfxErrorCollection Oe 3-48

IfxException O 3-48, 3-49

e 3-48

Errors e 3-48

HelpLink e 3-48

InnerException e 3-48

Message e 3-48

StackTrace e 3-48

IfxException O (≥)

TargetSite e 3-48

IfxMonthSpan c 3-49, 3-53

e 3-49

¡ε 3-49

3-49

cl 3-49

Add Φk 3-50

Compare Φk 3-50

CompareTo Φk 3-50

Divide Φk 3-51

Duration Φk 3-51

EndTimeUnit e 3-49

Equals Φk 3-51




IsNull e 3-49

LessThan Φk 3-51


MaxValue e 3-49

MinValue e 3-49

Months e 3-49

Multiply Φk 3-52

Negate Φk 3-52

NotEquals Φk 3-52

Null e 3-50

Parse Φk 3-52


ToString Φk 3-53

TotalMonths e 3-50

Years e 3-50

Zero e 3-50

IfxMonthSpan cΦk 3-50

IfxParameter cl 2-2

IfxParameter O 3-53, 3-56

e 3-55

kd 3-55

3-54

cl 3-54

DbType e 3-55

Direction e 3-55

IfxType e 3-55

IsNullable e 3-55

ParameterName e 3-55

SourceColumn e 3-55

SourceVersion e 3-55

Value e 3-55

IfxParameterCollection O 3-56, 3-58

e 3-57

Φk 3-57

3-56

Add Φk 3-57

Clear Φk 3-57

Contains Φk 3-57

CopyTo Φk 3-57


IfxParameterCollection O (≥)

Count e 3-57

GetEnumerator Φk 3-58

IndexOf Φk 3-58

Insert Φk 3-58

Item e 3-57

Remove Φk 3-58

RemoveAt Φk 3-58

IfxProviderFactory O 3-58, 3-59

Φk 3-58

CreateCommand Φk 3-59

CreateCommandBuilder Φk 3-59

CreateConnection Φk 3-58

CreateConnectionStringBuilder Φk 3-58

CreateDataAdapter Φk 3-59

CreateDataSourceEnumerator Φk 3-59

CreateParameter Φk 3-59

CreatePermission Φk 3-59


DontKeepAccessTime ¿ 3-60

KeepAccessTime ¿ 3-60

Log ¿ 3-60

NoLog ¿ 3-60


Client ¿ 3-60

Server ¿ 3-60


Exclusive ¿ 3-61

Shared ¿ 3-61


Append ¿ 3-61

Buffer ¿ 3-61

DirtyRead ¿ 3-61

LockAll ¿ 3-61

LockRange ¿ 3-61

NoBuffer ¿ 3-61

ReadOnly ¿ 3-61

ReadWrite ¿ 3-61

WriteOnly ¿ 3-61

IfxSmartLOBWhence C 3-61, 3-62

Begin ¿ 3-61

Current ¿ 3-61

End ¿ 3-61

IfxTimeSpan c 3-62, 3-67

e 3-63

Φk 3-64

3-62

cl 3-62

Add Φk 3-64

Compare Φk 3-64

CompareTo Φk 3-64

Days e 3-63

Divide Φk 3-64

Duration Φk 3-65

EndTimeUnit e 3-63

Equals Φk 3-65

IfxTimeSpan c (≥)




Hours e 3-63

IsNull e 3-63

LessThan Φk 3-65


MaxScale e 3-63

MaxValue e 3-63

Milliseconds e 3-63

Minutes e 3-63

MinValue e 3-63

Negate Φk 3-66

NotEquals Φk 3-66

Null e 3-63

Parse Φk 3-66

Seconds e 3-63


Ticks e 3-64

ToString Φk 3-66

Zero e 3-64

IfxTimeUnit C 3-67

Day ¿ 3-67

Fraction ¿ 3-67

Fraction1 ¿ 3-67

Fraction2 ¿ 3-67

Fraction3 ¿ 3-67

Fraction4 ¿ 3-67

Fraction5 ¿ 3-67

Hour ¿ 3-67

Minute ¿ 3-67

Month ¿ 3-67

Second ¿ 3-67

Year ¿ 3-67

IfxTransaction O 3-68, 3-69

e 3-68

Φk 3-68

kd 3-68

Commit Φk 3-68

Connection e 3-68

IsolationLevel e 3-68

Rollback Φk 3-68

IfxType e

IfxParameter O 3-55

IfxType 2-2

IfxType C 3-69, 4-1

Blob ¿ 3-69

Boolean ¿ 3-69

Byte ¿ 3-69

Char ¿ 3-69

Char1 ¿ 3-69

Clob ¿ 3-69

Collection ¿ 3-69

Date ¿ 3-69

DateTime ¿ 3-69

X-11

IfxType C (≥)

Decimal ¿ 3-69

Float ¿ 3-69

Int8 ¿ 3-69

Integer ¿ 3-69

IntervalDayFraction ¿ 3-69

IntervalYearMonth ¿ 3-69

List ¿ 3-69

LVarChar ¿ 3-69

Money ¿ 3-69

MultiSet ¿ 3-69

NChar ¿ 3-69

NVarChar ¿ 3-69

Row ¿ 3-69

Serial ¿ 3-69

Serial8 ¿ 3-69

Set ¿ 3-69

SmallFloat ¿ 3-69

SmallInt ¿ 3-69

SmartLOBLocator ¿ 3-69

Text ¿ 3-69

VarChar ¿ 3-69

Ignore 3-29

IndexOf Φk


InfoMessage ≤


Informix Client SDK 1-2

Informix ODBC Driver 1-1

Informix OLE DB Provider 1-1

Informix Ω¼ 3-55

Informix ¼ 3-69

InnerException e

IfxException O 3-48

Insert Φk


INSERT »zí 3-20

InsertCommand e 1-5


INSERT, 1-5

Instsance e


Int32 ¼ 2-1

Int64 ¼ 2-1

Int8 ¿

IfxType C 3-69

INT8 ¼ 2-1

Integer ¿

IfxType C 3-69

INTEGER ¼ 2-1

INTERVAL ¼ 2-1

IntervalDayFraction ¿

IfxType C 3-69

IntervalYearMonth ¿

IfxType C 3-69

IP 3-24

IP (≥)

SQLHOSTS ñ IPv6 µí 1-2

IPv6C

\ ⌠⌠⌠qT≤w 6 C

IsClosed e


IsDBNull Φk


IsFixedSize e


IsFloating e

IfxDecimal c 3-43

IsNull e

IfxBlob 3-9

IfxClob 3-13

IfxDecimal c 3-43

IfxMonthSpan c 3-49

IfxTimeSpan c 3-63

IsNullable e

IfxParameter O 3-55

IsolationLevel e


IsOpen e

IfxBlob 3-9

IfxClob 3-13

IsPositive e

IfxDecimal c 3-43

IsReadOnly e


Item e


JJOIN BΓl 1-6

KKeepAccessTime ¿


KeyInfo 3-18

Keys e


LLastAccessTime e

IfxBlob 3-9

IfxClob 3-14

LastChangeTime e

IfxBlob 3-9

IfxClob 3-14

LastModificationTime e

IfxBlob 3-9

IfxClob 3-14


LessThan Φk

IfxDateTime c 3-41

IfxDecimal c 3-45

IfxMonthSpan c 3-51

IfxTimeSpan c 3-65

LessThanOrEqual Φk

IfxDateTime c 3-41

IfxDecimal c 3-45

IfxMonthSpan c 3-52

IfxTimeSpan c 3-65

List ¿

IfxType C 3-69

LIST ¼ 2-2

Lock Φk

IfxBlob O 3-10

IfxClob O 3-15

LockAll ¿


LockRange ¿


Log ¿


LVarChar ¿

IfxType C 3-69

LVARCHAR ¼ 2-1

MMax Pool Size surΩ 3-24

Max Pool Size 1-6

MAX ROWS 1-3

Max Φk

IfxDecimal c 3-45

MaxBytes e

IfxBlob 3-9

IfxClob 3-14

MaxPrecision e

IfxDecimal c 3-43

MaxScale e

IfxTimeSpan c 3-63

MaxValue e

IfxDateTime c 3-37

IfxDecimal c 3-43

IfxMonthSpan c 3-49

IfxTimeSpan c 3-63

Message e

IfxError O 3-48

IfxException O 3-48

Microsoft ODBC .NET 1-1

Microsoft OLE DB .NET 1-1

Microsoft Visual Studio í

w 1-2

Microsoft .NET 3-6

Microsoft .NET ≥ªO 3-6

Microsoft .NET Framework SDK 1-2

Microsoft .NET Wµ vii

Millisecond e

IfxDateTime c 3-37

Milliseconds e

IfxTimeSpan c 3-63

Min Pool Size surΩ 3-24

Min Pool Size 1-6

Min Φk

IfxDecimal c 3-45

MinusOne e

IfxDecimal c 3-43

Minute e

IfxDateTime c 3-37

Minute ¿

IfxTimeUnit C 3-67

Minutes e

IfxTimeSpan c 3-63

MinValue e

IfxDateTime c 3-37

IfxDecimal c 3-43

IfxMonthSpan c 3-49

IfxTimeSpan c 3-63

MissingMappingAction e 3-30


MissingSchemaAction e


Modulo Φk

IfxDecimal c 3-46

Money ¿

IfxType C 3-69

MONEY ¼ 2-2

Month e

IfxDateTime c 3-37

Month ¿

IfxTimeUnit C 3-67

Months e

IfxMonthSpan c 3-49

Multiply Φk

IfxDecimal c 3-46

IfxMonthSpan c 3-52

MultiSet ¿

IfxType C 3-69

MULTISET ¼ 2-2

NNativeError e

IfxError O 3-48

NChar ¿

IfxType C 3-69

NCHAR ¼ 2-2

Negate Φk

IfxDecimal c 3-46

IfxMonthSpan c 3-52

IfxTimeSpan c 3-66

NextResult Φk


X-13

Nobuffer ¿


NoLog ¿


None 3-18

NotEquals Φk

IfxDateTime c 3-41

IfxDecimal c 3-46

IfxMonthSpan c 3-52

IfxTimeSpan c 3-66

Now e

IfxDateTime c 3-37

Null e

IfxBlob 3-10

IfxClob 3-14

IfxDateTime c 3-38

IfxDecimal c 3-43

IfxMonthSpan c 3-50

IfxTimeSpan c 3-63

NVarChar ¿

IfxType C 3-69

OODBC Driver 1-1

ODBC surΩ 3-24

ODBC .NET 1-1

OLE DB Provider 1-1

OLE DB .NET 1-1

One e

IfxDecimal c 3-43

Open Φk

IfxBlob O 3-10

IfxClob O 3-15


Optimize OpenFetchClose surΩ 3-24

OPTOFC surΩ 3-24

OPTOFC ⌠ 1-5

OutputParameters 3-18

PPacket Size surΩ 3-24

PacketSize e


ParameterCollection.Add Φk 1-7

ParameterName e

IfxParameter O 3-55

Parameters e

IfxCommand 3-17

Parse Φk

IfxDateTime c 3-41

IfxDecimal c 3-46

IfxMonthSpan c 3-52

IfxTimeSpan c 3-66

Passthrough 3-29

Password surΩ 3-24

Persist Security Info surΩ 3-24

Persist Security Info 3-24

Pi e

IfxDecimal c 3-43

Pooling surΩ 3-24

Pooling 1-6, 1-7

Position e

IfxBlob 3-10

IfxClob 3-14

Prepare Φk

IfxCommand O 3-19

PRO surΩ 3-24

Protocol surΩ 3-24

PWD surΩ 3-24

QQuotePrefix e 1-6


QuoteSuffix e 1-6


RRead Φk

IfxBlob O 3-11

IfxClob O 3-15


ReadOnly ¿


ReadWrite ¿


REAL ¼ 2-2

RecordsAffected e


ReferenceCount e

IfxBlob 3-10

IfxClob 3-14

RefreshSchema Φk 1-5


Release Φk

IfxBlob O 3-11

IfxClob O 3-15

Remainder Φk

IfxDecimal c 3-46

Remove Φk



RemoveAt Φk


ReturnProviderSpecifictypes e



Rollback Φk


Round Φk

IfxDecimal c 3-46

Row ¿

IfxType C 3-69

RowUpdating ≤ 3-20

SSBSpace e

IfxBlob 3-10

IfxClob 3-14

SchemaOnly 3-18

Second e

IfxDateTime c 3-38

Second ¿

IfxTimeUnit C 3-67

Seconds e

IfxTimeSpan c 3-63

Seek Φk

IfxBlob O 3-11

IfxClob O 3-16

SELECT »zí 1-3

SelectCommand e 1-5, 3-20


SequentialAccess 3-18

Serial ¿

IfxType C 3-69

SERIAL ¼ 2-2

Serial8 ¿

IfxType C 3-69

Server ¿


Server surΩ 3-24

ServerVersion e


Service surΩ 3-24

Set ¿

IfxType C 3-69

SET ¼ 2-2

Setnet í 1-5

Shared ¿


SingleResult 3-19

SingleRow 3-19

Size e

IfxBlob 3-10

IfxClob 3-14

SmallFloat ¿

IfxType C 3-69

SMALLFLOAT ¼ 2-2

SmallInt ¿

IfxType C 3-69

SmartLOBLocator ¿

IfxType C 3-69

SourceColumn e

IfxParameter O 3-55

SourceVersion e

IfxParameter O 3-55

SQL íX xii

SQLHOSTS

ñD≈W 1-2

ñ IPv6 IP 1-2

SQLState e

IfxError O 3-48

StackTrace e

IfxException O 3-48

StartTimeUnit e

IfxDateTime c 3-38

IfxMonthSpan c 3-50

IfxTimeSpan c 3-63

State e


StateChange ≤


StoredProcedure 3-17

String ¼ 2-1

Subtract Φk

IfxDecimal c 3-47

sysmaster Ωw 1-3

SystemException º¼p 3-29

System.DataSet O

≤PΩw≤@P

d 4-4

TTableDirect 3-17

TableMappings e 3-30


TargetSite e

IfxException O 3-48

Text ¿

IfxType C 3-69

Text 3-18

TEXT ¼ 2-2

Ticks e

IfxDateTime c 3-38

IfxTimeSpan c 3-64

Today e

IfxDateTime c 3-38

ToFile Φk

IfxBlob O 3-11

IfxClob O 3-16

ToString Φk


IfxDateTime c 3-42

IfxDecimal c 3-47

IfxMonthSpan c 3-53

IfxTimeSpan c 3-66

X-15

TotalMonths e

IfxMonthSpan c 3-50

Transaction e 1-5, 3-68

IfxCommand 3-17

Truncate Φk

IfxBlob O 3-12

IfxClob O 3-16

IfxDecimal c 3-47

TryGetValue Φk


UUID surΩ 3-24

Unlock Φk

IfxBlob O 3-12

IfxClob O 3-16

Update Φk


UPDATE »zí 3-20

UPDATEA 1-5

UpdateBatchSize e


UpdateCommand e 1-5


UpdatedRowSource e

IfxCommand 3-17

User ID surΩ 3-24

UserDefinedTypeFormat

3-25

UserDefinedTypeFormat e

3-25


VValue e

IfxParameter O 3-55

Values e


VarChar ¿

IfxType C 3-69

VARCHAR ¼ 2-2

VisibleFieldCount e


Visual BASIC .NET 1-1

Visual C++ .NET 1-1

Visual J++ .NET 1-1

WWrite Φk

IfxBlob O 3-12

IfxClob O 3-16

WriteOnly ¿


XXCL surΩ 3-24

YYear e

IfxDateTime c 3-38

Year ¿

IfxTimeUnit C 3-67

Years e

IfxMonthSpan c 3-50

ZZero e

IfxDecimal c 3-43

IfxMonthSpan c 3-50

IfxTimeSpan c 3-64

eSϕrf.NET DbType ¼ 2-2, 3-69

.NET Framework ¼ 3-69

.NET 3-6

.NET ≥ªO 3-6

? , 1-7


G251-3002-00

Documents

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