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(* |
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* IBX For Lazarus (Firebird Express) |
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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) 2011 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 IBUpdateSQLEditor; |
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|
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{$mode objfpc}{$H+} |
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|
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interface |
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|
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uses |
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Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, |
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ComCtrls, StdCtrls, ExtCtrls, IBSystemTables, IBUpdateSQL, IBDatabase; |
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|
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type |
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|
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{ TIBUpdateSQLEditorForm } |
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|
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TIBUpdateSQLEditorForm = class(TForm) |
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GenerateParams: TCheckBox; |
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TestBtn: TButton; |
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CancelButton: TButton; |
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FieldsPage: TTabSheet; |
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GenerateBtn: TButton; |
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GroupBox1: TGroupBox; |
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IBTransaction1: TIBTransaction; |
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IncludePrimaryKeys: TCheckBox; |
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PrimaryKeyList: TListBox; |
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Label1: TLabel; |
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Label2: TLabel; |
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Label3: TLabel; |
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Label4: TLabel; |
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OkButton: TButton; |
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PageControl: TPageControl; |
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QuoteFields: TCheckBox; |
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SQLMemo: TMemo; |
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SQLPage: TTabSheet; |
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StatementType: TRadioGroup; |
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FieldList: TListBox; |
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TableNamesCombo: TComboBox; |
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procedure TestBtnClick(Sender: TObject); |
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procedure FormClose(Sender: TObject; var CloseAction: TCloseAction); |
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procedure FormShow(Sender: TObject); |
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procedure GenerateBtnClick(Sender: TObject); |
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procedure SQLMemoChange(Sender: TObject); |
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procedure SQLPageShow(Sender: TObject); |
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procedure StatementTypeClick(Sender: TObject); |
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procedure TableNamesComboCloseUp(Sender: TObject); |
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private |
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{ private declarations } |
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FUpdateObject: TIBUpdateSQL; |
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FIBSystemTables: TIBSystemTables; |
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FDirty: boolean; |
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FCurrentStatement: integer; |
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FModifySQL: TStringList; |
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FInsertSQL: TStringList; |
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FDeleteSQL: TStringList; |
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FRefreshSQL: TStringList; |
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procedure UpdateSQLMemo; |
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public |
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{ public declarations } |
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constructor Create(TheOwner: TComponent); override; |
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destructor Destroy; override; |
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procedure SetUpdateObject(AObject: TIBUpdateSQL); |
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end; |
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|
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var |
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IBUpdateSQLEditorForm: TIBUpdateSQLEditorForm; |
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|
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function EditIBUpdateSQL(UpdateObject: TIBUpdateSQL): boolean; |
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|
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implementation |
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|
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uses IBQuery; |
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|
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{$R *.lfm} |
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|
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function EditIBUpdateSQL(UpdateObject: TIBUpdateSQL): boolean; |
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begin |
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Result := false; |
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if assigned(UpdateObject.DataSet) and assigned(UpdateObject.DataSet.Database) then |
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try |
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UpdateObject.DataSet.Database.Connected := true; |
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except on E: Exception do |
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ShowMessage(E.Message) |
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end; |
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|
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with TIBUpdateSQLEditorForm.Create(Application) do |
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try |
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SetUpdateObject(UpdateObject); |
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if assigned(UpdateObject.DataSet) then |
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GenerateParams.Checked := UpdateObject.DataSet.GenerateParamNames; |
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Result := ShowModal = mrOK; |
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if Result and assigned(UpdateObject.DataSet) then |
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UpdateObject.DataSet.GenerateParamNames := GenerateParams.Checked |
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finally |
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Free |
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end; |
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|
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end; |
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|
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{ TIBUpdateSQLEditorForm } |
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|
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procedure TIBUpdateSQLEditorForm.FormShow(Sender: TObject); |
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var TableName: string; |
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begin |
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GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected; |
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TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected; |
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PageControl.ActivePage := FieldsPage; |
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FModifySQL.Assign(FUpdateObject.ModifySQL); |
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FInsertSQL.Assign(FUpdateObject.InsertSQL); |
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FDeleteSQL.Assign(FUpdateObject.DeleteSQL); |
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FRefreshSQL.Assign(FUpdateObject.RefreshSQL); |
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FCurrentStatement := -1; |
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TableNamesCombo.Items.Clear; |
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FIBSystemTables.GetTableNames(TableNamesCombo.Items); |
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if TableNamesCombo.Items.Count > 0 then |
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begin |
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TableNamesCombo.ItemIndex := 0; |
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if assigned(FUpdateObject.DataSet) and (FUpdateObject.DataSet is TIBQuery) and |
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((FUpdateObject.DataSet as TIBQuery).SQL.Text <> '') then |
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try |
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FIBSystemTables.GetTableAndColumns((FUpdateObject.DataSet as TIBQuery).SQL.Text,TableName,nil); |
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TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName); |
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except //ignore |
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end; |
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FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false); |
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FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items); |
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end; |
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end; |
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|
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procedure TIBUpdateSQLEditorForm.FormClose(Sender: TObject; |
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var CloseAction: TCloseAction); |
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begin |
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if ModalResult = mrOK then |
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begin |
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UpdateSQLMemo; |
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FUpdateObject.ModifySQL.Assign(FModifySQL); |
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FUpdateObject.InsertSQL.Assign(FInsertSQL); |
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FUpdateObject.DeleteSQL.Assign(FDeleteSQL); |
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FUpdateObject.RefreshSQL.Assign(FRefreshSQL); |
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end; |
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end; |
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|
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procedure TIBUpdateSQLEditorForm.TestBtnClick(Sender: TObject); |
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begin |
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if SQLMemo.Lines.Text <> '' then |
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FIBSystemTables.TestSQL(SQLMemo.Lines.Text,GenerateParams.Checked); |
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end; |
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|
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procedure TIBUpdateSQLEditorForm.GenerateBtnClick(Sender: TObject); |
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var FieldNames: TStringList; |
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I: integer; |
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begin |
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FieldNames := TStringList.Create; |
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try |
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FUpdateObject.RefreshSQL.Clear; |
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FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldNames); |
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FIBSystemTables.GenerateRefreshSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,FRefreshSQL); |
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FIBSystemTables.GenerateDeleteSQL(TableNamesCombo.Text,QuoteFields.Checked,FDeleteSQL); |
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FieldNames.Clear; |
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FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldNames,true,false); |
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FIBSystemTables.GenerateInsertSQL(TableNamesCombo.Text,QuoteFields.Checked, |
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FieldNames,FInsertSQL); |
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if FieldList.SelCount = 0 then |
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begin |
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FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked, |
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FieldList.Items,FModifySQL); |
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|
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end |
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else |
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begin |
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FieldNames.Clear; |
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for I := 0 to FieldList.Items.Count - 1 do |
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if FieldList.Selected[I] then |
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FieldNames.Add(FieldList.Items[I]); |
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FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked, |
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FieldNames,FModifySQL); |
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end; |
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FDirty := false; |
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PageControl.ActivePage := SQLPage; |
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finally |
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FieldNames.Free |
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end; |
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end; |
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|
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procedure TIBUpdateSQLEditorForm.SQLMemoChange(Sender: TObject); |
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begin |
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FDirty := true |
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end; |
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|
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procedure TIBUpdateSQLEditorForm.SQLPageShow(Sender: TObject); |
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begin |
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UpdateSQLMemo |
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end; |
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|
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procedure TIBUpdateSQLEditorForm.StatementTypeClick(Sender: TObject); |
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begin |
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UpdateSQLMemo |
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end; |
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|
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procedure TIBUpdateSQLEditorForm.TableNamesComboCloseUp(Sender: TObject); |
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begin |
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FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false); |
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FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items); |
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end; |
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|
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procedure TIBUpdateSQLEditorForm.UpdateSQLMemo; |
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begin |
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if FDirty then |
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case FCurrentStatement of |
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0: //Modify |
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FModifySQL.Assign(SQLMemo.Lines); |
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1: //Insert |
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FInsertSQL.Assign(SQLMemo.Lines); |
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2: // Delete |
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FDeleteSQL.Assign(SQLMemo.Lines); |
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3: //Refresh |
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FRefreshSQL.Assign(SQLMemo.Lines); |
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end; |
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FDirty := false; |
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case StatementType.ItemIndex of |
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0: // Modify |
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SQLMemo.Lines.Assign(FModifySQL) ; |
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1: //Insert |
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SQLMemo.Lines.Assign(FInsertSQL) ; |
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2: // Delete |
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SQLMemo.Lines.Assign(FDeleteSQL) ; |
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3: //Refresh |
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SQLMemo.Lines.Assign(FRefreshSQL) ; |
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end; |
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FCurrentStatement := StatementType.ItemIndex; |
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end; |
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|
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constructor TIBUpdateSQLEditorForm.Create(TheOwner: TComponent); |
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begin |
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inherited Create(TheOwner); |
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FIBSystemTables := TIBSystemTables.Create; |
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FModifySQL := TStringList.Create; |
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FInsertSQL := TStringList.Create; |
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FDeleteSQL := TStringList.Create; |
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FRefreshSQL := TStringList.Create; |
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end; |
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|
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destructor TIBUpdateSQLEditorForm.Destroy; |
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begin |
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if assigned(FIBSystemTables) then FIBSystemTables.Free; |
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if assigned(FModifySQL) then FModifySQL.Free; |
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if assigned(FInsertSQL) then FInsertSQL.Free; |
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if assigned(FDeleteSQL) then FDeleteSQL.Free; |
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if assigned(FRefreshSQL) then FRefreshSQL.Free; |
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inherited Destroy; |
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end; |
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|
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procedure TIBUpdateSQLEditorForm.SetUpdateObject(AObject: TIBUpdateSQL); |
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begin |
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FUpdateObject := AObject; |
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if assigned(FUpdateObject.DataSet) then |
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begin |
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IBTransaction1.DefaultDatabase := FUpdateObject.DataSet.Database; |
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FIBSystemTables.SelectDatabase(FUpdateObject.DataSet.Database,IBTransaction1); |
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end; |
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end; |
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|
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|
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end. |
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