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dBASEで日付型を含む複合キーは無理? (ID:13103)
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procedure TForm1.FormCreate(Sender: TObject); begin DataSource2.DataSet := Table2; Table2.DatabaseName := 'dbdemos'; Table2.TableName := 'employee.db'; DataSource1.DataSet := Table_TestDBF1; Table_TestDBF1.DatabaseName := ''; Table_TestDBF1.TableName := 'C:\WINDOWS\TEMP\testdb001.DBF'; Table_TestDBF1.TableType := ttDBase; DBGrid1.DataSource := DataSource1; Table_TestDBF1.Active := True; end; procedure TForm1.Button1Click(Sender: TObject); var i : integer; begin if not FileExists(Table_TestDBF1.TableName) then begin Table_TestDBF1.Active := False; Table2.Active := True; BatchMove1.Mappings.Text := ''; Table_TestDBF1.Active := False; Table_TestDBF1.FieldDefs.Clear; for i := 0 to Table2.FieldDefs.Count -1 do with Table2.FieldDefs[i] do Table_TestDBF1.FieldDefs.Add( Name, DataType, Size, Required); Table_TestDBF1.IndexDefs.Clear; for i := 0 to Table2.IndexDefs.Count -1 do with Table2.IndexDefs[i] do begin if ixCaseInsensitive in Options then Table_TestDBF1.IndexDefs.Add(Name, Fields, [ixExpression]) else Table_TestDBF1.IndexDefs.Add(Name, Fields, Options); // Showmessage(Name+' '+Fields); end; Table_TestDBF1.CreateTable; BatchMove1.Mappings.Clear; for i := 0 to Table2.FieldDefs.Count -1 do BatchMove1.Mappings.add(Table2.FieldDefs.Items[i].Name); BatchMove1.Mode := batAppendUpdate ; BatchMove1.Source := Table2; BatchMove1.Destination := Table_TestDBF1; BatchMove1.Execute; Table2.Active := False; Table_TestDBF1.Active := True; end; end; procedure TForm1.Button2Click(Sender: TObject); begin Table_TestDBF1.Filter := '([Salary]>30000)and(Salary<50000) and(HireDate>''1992/01/01'')';//Edit1.Text; Table_TestDBF1.Filtered := True; end;
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