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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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unit Test6;
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{$IFDEF MSWINDOWS}
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{$DEFINE WINDOWS}
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{$ENDIF}
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{$IFDEF FPC}
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{$mode delphi}
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{$codepage UTF8}
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{$ENDIF}
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{Test 6: Blob Handling}
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{
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1. Create an empty database and populate with a single table and stored procedure
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returning a blob.
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2. Show the character sets available (List RDB$CHARACTER_SETS)
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3. Select all from new table and show metadata.
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4. Insert row and include WIN1252 characters known to be in two byte UTF8, plus Fixed point
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5. Select all from new table
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6. Use Update Query to set blob field with plain text loaded from file
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7. Select all from new table
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8. Add another row with a null blob
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9. Update this row's blob field with a copy of the first row (demo of blob assignment)
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10. Select all from new table.
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11. Execute Stored proc and display results
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12. Drop Database and repeat above but with WIN1252 and no default connection character set.
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}
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interface
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uses
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Classes, SysUtils, TestApplication, FBTestApp, IB;
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type
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{ TTest6 }
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TTest6 = class(TFBTestBase)
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private
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procedure UpdateDatabase(Attachment: IAttachment);
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procedure ExecProc(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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implementation
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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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'FixedPoint Decimal(8,2), '+
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'FloatingPoint Double Precision, '+
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'Title VarChar(32) Character Set UTF8,'+
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'BlobData Blob sub_type 1 Character Set UTF8,'+
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'Primary Key(RowID)'+
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')';
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sqlCreateProc =
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'Create Procedure TestProc (RowID Integer) '+
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'Returns (BlobData Blob sub_type 1 Character Set UTF8) '+
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'As ' +
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'Begin ' +
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' Select BlobData From TestData Where RowID = :RowID Into :BlobData; '+
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'End';
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sqlGetCharSets = 'Select RDB$CHARACTER_SET_NAME,RDB$CHARACTER_SET_ID from RDB$CHARACTER_SETS order by 2';
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sqlInsert = 'Insert into TestData(RowID,Title,FixedPoint,FloatingPoint) Values(:RowID,:Title,:FP, :DP)';
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sqlUpdate = 'Update TestData Set BlobData = ? Where RowID = ?';
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sqlExecProc = 'Execute Procedure TestProc ?';
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{ TTest6 }
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procedure TTest6.UpdateDatabase(Attachment: IAttachment);
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var Transaction: ITransaction;
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Statement,
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Statement2: IStatement;
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ResultSet: IResultSet;
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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,sqlGetCharSets);
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PrintMetaData(Statement.GetMetaData);
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ReportResults(Statement);
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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.SQLParams);
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with Statement.GetSQLParams do
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begin
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ByName('rowid').AsInteger := 1;
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ByName('title').AsString := 'Blob Test ©€';
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ByName('Fp').AsDouble := 20.28;
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ByName('DP').AsDouble := 3.142;
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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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Statement := Attachment.Prepare(Transaction,sqlUpdate);
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ParamInfo(Statement.SQLParams);
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Statement.SQLParams[0].AsBlob := Attachment.CreateBlob(Transaction,'TestData','BlobData').LoadFromFile('testtext.txt');
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Statement.SQLParams[1].AsInteger := 1;
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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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{second row}
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Statement := Attachment.PrepareWithNamedParameters(Transaction,sqlInsert);
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ParamInfo(Statement.SQLParams);
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with Statement.GetSQLParams do
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begin
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ByName('rowid').AsInteger := 2;
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ByName('title').AsString := 'Blob Test ©€';
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ByName('Fp').Clear;
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ByName('DP').Clear;
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end;
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Statement.Execute;
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Statement := Attachment.Prepare(Transaction,'Select * from TestData Where rowid = 1');
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ResultSet := Statement.OpenCursor;
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if ResultSet.FetchNext then
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begin
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Statement2 := Attachment.Prepare(Transaction,sqlUpdate);
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Statement2.SQLParams[0].AsBlob := ResultSet.ByName('BlobData').AsBlob; {test duplication of blob}
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Statement2.SQLParams[1].AsInteger := 2;
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Statement2.Execute;
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Statement := Attachment.Prepare(Transaction,'Select * from TestData');
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ReportResults(Statement);
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end;
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end;
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procedure TTest6.ExecProc(Attachment: IAttachment);
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var Transaction: ITransaction;
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Statement: IStatement;
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Results: IResults;
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begin
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writeln(OutFile,'Testing Blob as stored proc parameter');
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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,sqlExecProc);
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PrintMetaData(Statement.GetMetaData);
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Statement.SQLParams[0].AsInteger := 1;
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Results := Statement.Execute;
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ReportResult(Results);
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end;
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function TTest6.TestTitle: AnsiString;
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begin
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Result := 'Test 6: Blob Handling';
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end;
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procedure TTest6.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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Attachment.ExecImmediate([isc_tpb_write,isc_tpb_wait,isc_tpb_consistency],sqlCreateProc);
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UpdateDatabase(Attachment);
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ExecProc(Attachment);
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Attachment.DropDatabase;
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{Repeat with WIN1252}
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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('WIN1252');
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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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Attachment.ExecImmediate([isc_tpb_write,isc_tpb_wait,isc_tpb_consistency],sqlCreateProc);
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UpdateDatabase(Attachment);
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ExecProc(Attachment);
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Attachment.DropDatabase;
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{Repeat with no lc_ctype}
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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_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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Attachment.ExecImmediate([isc_tpb_write,isc_tpb_wait,isc_tpb_consistency],sqlCreateProc);
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UpdateDatabase(Attachment);
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ExecProc(Attachment);
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Attachment.DropDatabase;
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end;
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initialization
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RegisterTest(TTest6);
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end.
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