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- unit Data.Provider.Temp;
- interface
- uses
- FireDAC.Comp.Client, System.Classes, FireDAC.Comp.UI, System.SysUtils,
- System.Generics.Collections, FireDAC.Phys.SQLite;
- type
- TBaseProvider = class(TInterfacedObject)
- private
- public
- protected
- procedure Init(ATableName: string; ACreateTableSql: string);
- end;
- implementation
- uses
- BaseDataModule;
- var
- _query: TFDQuery;
- _connection: TFDConnection;
- _driverLink: TFDPhysSQLiteDriverLink;
- _waitCursor: TFDGUIxWaitCursor;
- const
- USERS_TABLE_NAME: string = 'Users';
- USERS_CREATE_TABLE: string = 'CREATE TABLE Users('+
- 'LoginName string(50), ' +
- 'DisplayName string(50), ' +
- 'ServerID string(50), ' +
- 'Version Integer, ' +
- 'Sex byte)';
- USERS_INSERT: string =
- 'Insert into Users(LoginName, DisplayName, ServerID, Version, Sex) ' +
- 'Values(:LoginName, :DisplayName, :ServerID, :Version, :Sex)';
- USERS_UPDATE: string = 'Update Users Set DisplayName = :DisplayName, ' +
- 'Version = :Version, ' +
- 'Sex = :Sex, ' +
- 'Where LoginName = :LoginName and ServerID = :ServerID';
- USERS_DELETE: string = 'Delete from Users where LoginName = :LoginName and ServerID = :ServerID';
- USERS_SELETE_ONE: string = 'Selete LoginName, DisplayName, ServerID, Version, Sex From Users ' +
- 'Where LoginName = :LoginName and ServerID = :ServerID';
- USERS_SELETE_ALL: string = 'Selete LoginName, DisplayName, ServerID, Version, Sex From Users ' +
- 'Where ServerID = :ServerID';
- { TTempProvider }
- procedure TBaseProvider.Init(ATableName: string; ACreateTableSql: string);
- var
- list: TStringList;
- str: string;
- AConnection: TFDCustomConnection;
- begin
- AConnection := BaseDataModel.GetConnection;
- list := TStringList.Create;
- try
- AConnection.GetTableNames('','','',list);
- for str in list do
- if string.Compare(str, ATableName, true) = 0 then
- Exit;
- AConnection.ExecSQL(ACreateTableSql);
- finally
- end;
- list.Destroy;
- end;
- initialization
- {_query := TFDQuery.Create(nil);
- _connection := TFDConnection.Create(nil);
- _driverLink := TFDPhysSQLiteDriverLink.Create(nil);
- _waitCursor := TFDGUIxWaitCursor.Create(nil);
- _connection.Params.Add('DriverID=SQLite');
- _connection.Params.Add('Database=Data\temp.dat'); }
- finalization
- end.
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