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tony |
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unit Test5; |
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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 5: Update/Insert Returning and Activity Check} |
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{ This test opens the employee example databases with the supplied user name/password, |
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reconnects, and runs several queries: |
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1. Update an employee record, return LAST_NAME,and report affected rows. |
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2. Show Changed Record |
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3. Insert new employee record, return FULL_NAME and report affected rows. |
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4. Show inserted record |
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5. Check attachment and transaction activity and ensure reset. |
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6. Show total records and confirm attachment and transaction activity |
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7. Implicit Rollback and disconnect. |
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} |
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interface |
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uses |
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Classes, SysUtils, TestManager, IB; |
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type |
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{ TTest5 } |
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TTest5 = class(TTestBase) |
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private |
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procedure DoQuery(Attachment: IAttachment); |
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public |
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tony |
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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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{ TTest5 } |
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procedure TTest5.DoQuery(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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Transaction := Attachment.StartTransaction([isc_tpb_write,isc_tpb_nowait,isc_tpb_concurrency],taRollback); |
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Statement := Attachment.Prepare(Transaction,'Update Employee Set Hire_Date = ? Where EMP_NO = ? Returning LAST_NAME',3); |
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Statement.GetSQLParams[0].AsDAteTime := EncodeDate(2016,1,31);; |
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Statement.GetSQLParams[1].AsInteger := 8; |
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Results := Statement.Execute; |
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WriteAffectedRows(Statement); |
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writeln(OutFile,'Last Name = ',Results[0].AsString); |
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Statement := Attachment.PrepareWithNamedParameters(Transaction,'Select * from EMPLOYEE Where EMP_NO = :EMP_NO',3); |
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Statement.GetSQLParams.ByName('EMP_NO').AsInteger := 8; |
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ReportResults(Statement); |
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Statement := Attachment.PrepareWithNamedParameters(Transaction,'INSERT INTO EMPLOYEE (EMP_NO, FIRST_NAME, LAST_NAME, PHONE_EXT, HIRE_DATE,' + |
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'DEPT_NO, JOB_CODE, JOB_GRADE, JOB_COUNTRY, SALARY) '+ |
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'VALUES (:EMP_NO, :FIRST_NAME, :LAST_NAME, :PHONE_EXT, :HIRE_DATE,' + |
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':DEPT_NO, :JOB_CODE, :JOB_GRADE, :JOB_COUNTRY, :SALARY) Returning FULL_NAME',3); |
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Transaction.RollbackRetaining; |
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with Statement.GetSQLParams do |
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begin |
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ByName('EMP_NO').AsInteger := 150; |
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ByName('FIRST_NAME').AsString := 'John'; |
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ByName('LAST_NAME').AsString := 'Doe'; |
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ByName('PHONE_EXT').AsString := '666'; |
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ByName('HIRE_DATE').AsDateTime := EncodeDate(2015,4,1);; |
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ByName('DEPT_NO').AsString := '600'; |
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ByName('JOB_CODE').AsString := 'Eng'; |
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ByName('JOB_GRADE').AsInteger := 4; |
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ByName('JOB_COUNTRY').AsString := 'England'; |
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ByName('SALARY').AsFloat := 41000.89; |
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end; |
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writeln(OutFile,'Inserting'); |
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Results := Statement.Execute; |
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writeln(OutFile,'Full Name = ',Results[0].AsString); |
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WriteAffectedRows(Statement); |
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CheckActivity(Statement.GetAttachment); |
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CheckActivity(Transaction); |
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CheckActivity(Statement.GetAttachment); |
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CheckActivity(Transaction); |
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writeln(OutFile,'Employee Count = ', Attachment.OpenCursorAtStart(Transaction, |
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'Select count(*) from EMPLOYEE',3)[0].AsInteger); |
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CheckActivity(Statement.GetAttachment); |
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CheckActivity(Transaction); |
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if Transaction.InTransaction then |
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writeln(OutFile,'Transaction Active') |
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else |
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writeln(OutFile,'Transaction inactive'); |
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Transaction.Rollback; |
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if Transaction.InTransaction then |
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writeln(OutFile,'Transaction Active') |
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else |
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writeln(OutFile,'Transaction inactive'); |
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end; |
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function TTest5.TestTitle: AnsiString; |
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begin |
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Result := 'Test 5: Update Returning and Activity Check'; |
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end; |
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procedure TTest5.RunTest(CharSet: AnsiString; SQLDialect: integer); |
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var Attachment: IAttachment; |
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DPB: IDPB; |
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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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writeln(OutFile,'Opening ',Owner.GetEmployeeDatabaseName); |
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Attachment := FirebirdAPI.OpenDatabase(Owner.GetEmployeeDatabaseName,DPB); |
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writeln(OutFile,'Database Open'); |
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Attachment.Disconnect; |
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writeln(OutFile,'Database Closed'); |
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Attachment.Connect; |
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writeln(OutFile,'Database Open'); |
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DoQuery(Attachment); |
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end; |
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initialization |
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RegisterTest(TTest5); |
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end. |
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