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tony |
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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 Test7;
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tony |
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{$IFDEF MSWINDOWS}
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{$DEFINE WINDOWS}
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{$ENDIF}
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tony |
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tony |
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{$IFDEF FPC}
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{$mode delphi}
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tony |
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{$codepage utf8}
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tony |
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{$ENDIF}
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tony |
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{Test 7: Create and read back an Array}
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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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2. Select all and show metadata including array metadata.
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3. Insert a row but leave array null
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4. Show result.
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5. Update row with a populated array and show results.
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7. Reopen cursor but before fetching array, shrink bounds
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8. Fetch and print array with reduced bounds.
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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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{ TTest7 }
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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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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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'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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tony |
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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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sqlInsert = 'Insert into TestData(RowID,Title,Dated,Notes) Values(:RowID,:Title,:Dated,:Notes)';
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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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{ TTest7 }
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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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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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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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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 16 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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Statement.SQLParams[0].AsArray := ar;
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Statement.Execute;
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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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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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{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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Transaction.Commit;
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end;
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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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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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Attachment.DropDatabase;
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end;
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initialization
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RegisterTest(TTest7);
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end.
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