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unit Test12; |
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|
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{$mode objfpc}{$H+} |
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|
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{$codepage UTF8} |
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|
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interface |
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|
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{ Test 12: Character Sets |
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|
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This test creates strings in a database with various code pages and then |
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reads them back with different connection character sets. The result is |
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displayed as hex strings so that the actual encoding can be checked in |
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each case. |
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} |
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|
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uses |
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Classes, SysUtils, TestManager, IB; |
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|
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type |
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|
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{ TTest12 } |
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|
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TTest12 = class(TTestBase) |
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private |
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procedure UpdateDatabase(Attachment: IAttachment); |
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procedure QueryDatabase(Attachment: IAttachment); |
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public |
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function TestTitle: string; override; |
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procedure RunTest(CharSet: string; 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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'Notes VarChar(64) Character Set ISO8859_1,'+ |
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'BlobData Blob sub_type 1 Character Set WIN1252, '+ |
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'BlobData2 Blob sub_type 1 Character Set UTF8, '+ |
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'InClear VarChar(16) Character Set OCTETS, '+ |
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'Primary Key(RowID)'+ |
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')'; |
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|
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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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|
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sqlInsert = 'Insert into TestData(RowID,Title,Notes, BlobData,BlobData2,InClear) Values(:RowID,:Title,:Notes,:BlobData,:BlobData2,:InClear)'; |
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|
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|
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{ TTest12 } |
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|
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procedure TTest12.UpdateDatabase(Attachment: IAttachment); |
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var Transaction: ITransaction; |
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Statement: IStatement; |
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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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|
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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('Notes').AsString := 'Écoute moi'; |
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ByName('BlobData').AsString := 'Some German Special Characters like ÖÄÜöäüß'; |
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ByName('BlobData2').AsBlob := Attachment.CreateBlob(Transaction,'TestData','BlobData').SetString('Some German Special Characters like ÖÄÜöäüß'); |
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ByName('InClear').AsString := #$01'Test'#$0D#$C3; |
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end; |
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Statement.Execute; |
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end; |
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|
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procedure TTest12.QueryDatabase(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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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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ReportResults(Statement); |
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end; |
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|
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function TTest12.TestTitle: string; |
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begin |
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Result := 'Test 12: Character Sets'; |
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end; |
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|
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procedure TTest12.RunTest(CharSet: string; SQLDialect: integer); |
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var DPB: IDPB; |
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Attachment: IAttachment; |
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begin |
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FHexStrings := true; |
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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('UTF8'); |
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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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|
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UpdateDatabase(Attachment); |
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|
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writeln(OutFile,'Connection Character Set UTF8'); |
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{Query with UTF8} |
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QueryDatabase(Attachment); |
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Attachment.Disconnect; |
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|
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writeln(OutFile,'Connection Character Set NONE'); |
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{Query with No character set} |
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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.OpenDatabase(Owner.GetNewDatabaseName,DPB); |
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QueryDatabase(Attachment); |
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Attachment.Disconnect; |
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|
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writeln(OutFile,'Connection Character Set WIN1252'); |
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{Query 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.OpenDatabase(Owner.GetNewDatabaseName,DPB); |
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QueryDatabase(Attachment); |
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|
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Attachment.DropDatabase; |
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|
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end; |
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|
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initialization |
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RegisterTest(TTest12); |
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end. |
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