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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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|
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unit ibrefreshsqleditor; |
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{$mode objfpc}{$H+} |
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interface |
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|
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uses |
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< |
Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs, |
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< |
StdCtrls, IBSystemTables, IBDatabase; |
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Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs, |
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ibselectsqleditor, IBDatabase, IBCustomDataset, IBSQLEditFrame; |
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|
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type |
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{ TIBRefreshSQLEditorForm } |
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|
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< |
TIBRefreshSQLEditorForm = class(TForm) |
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Button1: TButton; |
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Button2: TButton; |
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GenerateBtn: TButton; |
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TestBtn: TButton; |
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FieldList: TListBox; |
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IBTransaction1: TIBTransaction; |
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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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PrimaryKeyList: TListBox; |
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QuoteFields: TCheckBox; |
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SQLText: TMemo; |
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TableNamesCombo: TComboBox; |
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TIBRefreshSQLEditorForm = class(TIBSelectSQLEditorForm) |
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procedure GenerateBtnClick(Sender: TObject); |
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procedure TestBtnClick(Sender: TObject); |
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procedure FieldListDblClick(Sender: TObject); |
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procedure FormShow(Sender: TObject); |
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procedure PrimaryKeyListDblClick(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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FIBSystemTables: TIBSystemTables; |
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|
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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 SetDatabase(Database: TIBDatabase); |
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end; |
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|
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end; |
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|
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var |
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IBRefreshSQLEditorForm: TIBRefreshSQLEditorForm; |
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|
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< |
function EditSQL(Database: TIBDatabase; SelectSQL: TStrings): boolean; |
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function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean; |
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|
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implementation |
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{$R *.lfm} |
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|
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function EditSQL(Database: TIBDatabase; SelectSQL: TStrings): boolean; |
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function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean; |
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begin |
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Result := false; |
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if assigned(Database) then |
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if assigned(DataSet) and assigned(DataSet.Database) then |
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try |
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Database.Connected := true; |
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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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with TIBRefreshSQLEditorForm.Create(Application) do |
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try |
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SetDatabase(Database); |
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SQLText.Lines.Assign(SelectSQL); |
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if assigned(DataSet) then |
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begin |
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IBSQLEditFrame1.Database := DataSet.Database; |
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GenerateParams.Checked := DataSet.GenerateParamNames; |
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end; |
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IBSQLEditFrame1.SQLText.Lines.Assign(SelectSQL); |
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Result := ShowModal = mrOK; |
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if Result then |
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SelectSQL.Assign(SQLText.Lines) |
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begin |
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SelectSQL.Assign(IBSQLEditFrame1.SQLText.Lines); |
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if assigned(DataSet) then |
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DataSet.GenerateParamNames := GenerateParams.Checked |
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end; |
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finally |
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Free |
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end; |
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{ TIBRefreshSQLEditorForm } |
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|
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procedure TIBRefreshSQLEditorForm.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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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 Trim(SQLText.Text) <> '' then |
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begin |
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FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil); |
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TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName) |
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end; |
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FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items); |
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FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items); |
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end; |
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end; |
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procedure TIBRefreshSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject); |
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begin |
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SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex]; |
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SQLText.SetFocus |
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end; |
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|
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procedure TIBRefreshSQLEditorForm.FieldListDblClick(Sender: TObject); |
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begin |
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SQLText.SelText := FieldList.Items[FieldList.ItemIndex]; |
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SQLText.SetFocus |
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end; |
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procedure TIBRefreshSQLEditorForm.GenerateBtnClick(Sender: TObject); |
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var FieldNames: TStrings; |
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begin |
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FieldNames := FIBSystemTables.GetFieldNames(FieldList); |
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try |
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FIBSystemTables.GenerateRefreshSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,SQLText.Lines) |
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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 TIBRefreshSQLEditorForm.TestBtnClick(Sender: TObject); |
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begin |
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FIBSystemTables.TestSQL(SQLText.Lines.Text) |
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end; |
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|
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procedure TIBRefreshSQLEditorForm.TableNamesComboCloseUp(Sender: TObject); |
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begin |
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FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items); |
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FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items); |
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IBSQLEditFrame1.GenerateRefreshSQL(QuoteFields.Checked); |
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end; |
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constructor TIBRefreshSQLEditorForm.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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end; |
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|
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destructor TIBRefreshSQLEditorForm.Destroy; |
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begin |
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if assigned(FIBSystemTables) then FIBSystemTables.Free; |
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inherited Destroy; |
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end; |
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|
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procedure TIBRefreshSQLEditorForm.SetDatabase(Database: TIBDatabase); |
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begin |
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IBTransaction1.DefaultDatabase := Database; |
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FIBSystemTables.SelectDatabase(Database,IBTransaction1) |
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end; |
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end. |
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