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(* |
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* Firebird Interface (fbintf) Test suite. This program is used to |
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* test the Firebird Pascal Interface and provide a semi-automated |
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* pass/fail check for each test. |
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* |
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* The contents of this file are subject to the Initial Developer's |
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* Public License Version 1.0 (the "License"); you may not use this |
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* file except in compliance with the License. You may obtain a copy |
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* of the License here: |
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* |
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* http://www.firebirdsql.org/index.php?op=doc&id=idpl |
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* |
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* Software distributed under the License is distributed on an "AS |
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
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* implied. See the License for the specific language governing rights |
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* and limitations under the License. |
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* |
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* The Initial Developer of the Original Code is Tony Whyman. |
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* |
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* The Original Code is (C) 2016 Tony Whyman, MWA Software |
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* (http://www.mwasoftware.co.uk). |
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* |
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* All Rights Reserved. |
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* |
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* Contributor(s): ______________________________________. |
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* |
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*) |
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|
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unit Test7; |
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{$IFDEF MSWINDOWS} |
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{$DEFINE WINDOWS} |
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{$ENDIF} |
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|
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{$IFDEF FPC} |
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{$mode delphi} |
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{$codepage utf8} |
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{$ENDIF} |
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|
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{Test 7: Create and read back an Array} |
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|
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{ |
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1. Create an empty database and populate with a single table including an array of integer column. |
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|
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2. Select all and show metadata including array metadata. |
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|
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3. Insert a row but leave array null |
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|
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4. Show result. |
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|
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5. Update row with a populated array and show results. |
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|
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7. Reopen cursor but before fetching array, shrink bounds |
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|
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8. Fetch and print array with reduced bounds. |
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|
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} |
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|
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interface |
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|
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uses |
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Classes, SysUtils, TestApplication, FBTestApp, IB; |
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|
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type |
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|
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{ TTest7 } |
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|
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TTest7 = class(TFBTestBase) |
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private |
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procedure UpdateDatabase(Attachment: IAttachment); |
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public |
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function TestTitle: AnsiString; override; |
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procedure RunTest(CharSet: AnsiString; SQLDialect: integer); override; |
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end; |
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|
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implementation |
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|
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const |
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sqlCreateTable = |
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'Create Table TestData ('+ |
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'RowID Integer not null,'+ |
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'Title VarChar(32) Character Set UTF8,'+ |
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'Dated TIMESTAMP, '+ |
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'Notes VarChar(64) Character Set ISO8859_1,'+ |
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'MyArray Integer [0:16],'+ |
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'MyArray2 Timestamp [0:16],'+ |
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'MyArray3 Numeric(10,2) [0:16],'+ |
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'Primary Key(RowID)'+ |
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')'; |
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|
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sqlInsert = 'Insert into TestData(RowID,Title,Dated,Notes) Values(:RowID,:Title,:Dated,:Notes)'; |
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|
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sqlUpdate = 'Update TestData Set MyArray = :MyArray Where RowID = 1'; |
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sqlUpdate2 = 'Update TestData Set MyArray2 = :MyArray2 Where RowID = 1'; |
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sqlUpdate3 = 'Update TestData Set MyArray3 = :MyArray3 Where RowID = 1'; |
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|
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{ TTest7 } |
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|
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procedure TTest7.UpdateDatabase(Attachment: IAttachment); |
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var Transaction: ITransaction; |
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Statement: IStatement; |
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ResultSet: IResultSet; |
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i,j: integer; |
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ar: IArray; |
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aDateTime: TDateTime; |
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f: double; |
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begin |
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Transaction := Attachment.StartTransaction([isc_tpb_write,isc_tpb_nowait,isc_tpb_concurrency],taCommit); |
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Statement := Attachment.Prepare(Transaction,'Select * from TestData'); |
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PrintMetaData(Statement.GetMetaData); |
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Statement := Attachment.PrepareWithNamedParameters(Transaction,sqlInsert); |
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ParamInfo(Statement.GetSQLParams); |
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with Statement.GetSQLParams do |
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begin |
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for i := 0 to GetCount - 1 do |
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writeln(OutFile,'Param Name = ',Params[i].getName); |
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ByName('rowid').AsInteger := 1; |
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{$IFDEF DCC} |
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ByName('title').AsString := UTF8Encode('Blob Test ©€'); |
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{$ELSE} |
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ByName('title').AsString := 'Blob Test ©€'; |
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{$ENDIF} |
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ByName('Notes').AsString := 'Écoute moi'; |
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ByName('Dated').AsDateTime := EncodeDate(2016,4,1) + EncodeTime(9,30,0,100); |
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end; |
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Statement.Execute; |
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Statement := Attachment.Prepare(Transaction,'Select * from TestData'); |
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ReportResults(Statement); |
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|
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Statement := Attachment.PrepareWithNamedParameters(Transaction,sqlUpdate); |
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ParamInfo(Statement.GetSQLParams); |
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Transaction.CommitRetaining; |
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ar := Attachment.CreateArray(Transaction,'TestData','MyArray'); |
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j := 100; |
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for i := 0 to 16 do |
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begin |
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ar.SetAsInteger([i],j); |
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dec(j); |
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end; |
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Statement.SQLParams[0].AsArray := ar; |
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Statement.Execute; |
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|
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Statement := Attachment.PrepareWithNamedParameters(Transaction,sqlUpdate2); |
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ParamInfo(Statement.GetSQLParams); |
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ar := Attachment.CreateArray(Transaction,'TestData','MyArray2'); |
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for i := 0 to 16 do |
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begin |
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aDateTime := EncodeDate(2020,5,1) + EncodeTime(12,i,0,0); |
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ar.SetAsDateTime(i,aDateTime); |
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end; |
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Statement.SQLParams[0].AsArray := ar; |
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Statement.Execute; |
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|
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Statement := Attachment.PrepareWithNamedParameters(Transaction,sqlUpdate3); |
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ParamInfo(Statement.GetSQLParams); |
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ar := Attachment.CreateArray(Transaction,'TestData','MyArray3'); |
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f := 0; |
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for i := 0 to 13 do |
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begin |
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ar.SetAsFloat(i,f); |
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f := f + 1.05 |
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end; |
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ar.SetAsString([14],'0.424567'); |
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ar.SetAsString([15],'42.4567'); |
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ar.SetAsString([16],'4269'); |
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Statement.SQLParams[0].AsArray := ar; |
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Statement.Execute; |
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|
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Statement := Attachment.Prepare(Transaction,'Select * from TestData'); |
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PrintMetaData(Statement.GetMetaData); |
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ReportResults(Statement); |
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|
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ResultSet := Statement.OpenCursor; |
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if Resultset.FetchNext then |
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begin |
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ar := ResultSet.ByName('MyArray').AsArray; |
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ar.SetBounds(0,10,2); |
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writeln(OutFile,'Shrink to 2:10'); |
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WriteArray(ar); |
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end |
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else |
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writeln(OutFile,'Unable to reopen cursor'); |
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|
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{Now update the reduced slice} |
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writeln(OutFile,'Write updated reduced slice'); |
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ar.SetAsInteger([2],1000); |
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Statement := Attachment.PrepareWithNamedParameters(Transaction,sqlUpdate); |
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Statement.SQLParams[0].AsArray := ar; |
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Statement.Execute; |
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writeln(OutFile,'Show update array'); |
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Statement := Attachment.Prepare(Transaction,'Select * from TestData'); |
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ReportResults(Statement); |
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|
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Transaction.Commit; |
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end; |
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|
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function TTest7.TestTitle: AnsiString; |
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begin |
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Result := 'Test 7: Create and read back an Array'; |
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end; |
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|
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procedure TTest7.RunTest(CharSet: AnsiString; SQLDialect: integer); |
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var DPB: IDPB; |
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Attachment: IAttachment; |
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begin |
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DPB := FirebirdAPI.AllocateDPB; |
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DPB.Add(isc_dpb_user_name).setAsString(Owner.GetUserName); |
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DPB.Add(isc_dpb_password).setAsString(Owner.GetPassword); |
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DPB.Add(isc_dpb_lc_ctype).setAsString(CharSet); |
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DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(SQLDialect); |
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Attachment := FirebirdAPI.CreateDatabase(Owner.GetNewDatabaseName,DPB); |
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Attachment.ExecImmediate([isc_tpb_write,isc_tpb_wait,isc_tpb_consistency],sqlCreateTable); |
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UpdateDatabase(Attachment); |
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|
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Attachment.DropDatabase; |
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end; |
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|
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initialization |
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RegisterTest(TTest7); |
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|
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end. |
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|
