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tony |
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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 ibmodifysqleditor;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
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tony |
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StdCtrls, ComCtrls, IBSystemTables, IBDatabase, IBCustomDataSet, IB;
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tony |
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type
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{ TIBModifySQLEditorForm }
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TIBModifySQLEditorForm = class(TForm)
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Button1: TButton;
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Button2: TButton;
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FieldList: TListBox;
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GenerateBtn: TButton;
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GenerateParams: TCheckBox;
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IncludePrimaryKeys: TCheckBox;
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Label1: TLabel;
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Label16: TLabel;
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Label17: TLabel;
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Label18: TLabel;
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Label2: TLabel;
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Label4: TLabel;
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ExecuteOnlyIndicator: TLabel;
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PageControl: TPageControl;
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PrimaryKeyList: TListBox;
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ProcedureNames: TComboBox;
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ProcInputList: TListBox;
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ProcOutputList: TListBox;
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TableNamesCombo: TComboBox;
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ModifyPage: TTabSheet;
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ExecutePage: TTabSheet;
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TestBtn: TButton;
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IBTransaction1: TIBTransaction;
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Label3: TLabel;
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QuoteFields: TCheckBox;
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SQLText: TMemo;
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procedure ExecutePageShow(Sender: TObject);
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procedure GenerateBtnClick(Sender: TObject);
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procedure ModifyPageShow(Sender: TObject);
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procedure ProcedureNamesCloseUp(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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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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var
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IBModifySQLEditorForm: TIBModifySQLEditorForm;
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function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
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implementation
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{$R *.lfm}
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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(DataSet) and assigned(DataSet.Database) then
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try
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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 TIBModifySQLEditorForm.Create(Application) do
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try
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if assigned(DataSet) then
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begin
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SetDatabase(DataSet.Database);
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GenerateParams.Checked := DataSet.GenerateParamNames;
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end;
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SQLText.Lines.Assign(SelectSQL);
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Result := ShowModal = mrOK;
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if Result then
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begin
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SelectSQL.Assign(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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end;
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{ TIBModifySQLEditorForm }
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procedure TIBModifySQLEditorForm.FormShow(Sender: TObject);
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var IsProcedureName: boolean;
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SQLType: TIBSQLStatementTypes;
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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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if Trim(SQLText.Text) <> '' then
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begin
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try
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SQLType := FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
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except end;
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if SQLType = SQLExecProcedure then
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PageControl.ActivePage := ExecutePage
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else
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PageControl.ActivePage := ModifyPage;
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end
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else
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PageControl.ActivePage := ModifyPage;
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end;
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procedure TIBModifySQLEditorForm.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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procedure TIBModifySQLEditorForm.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 TIBModifySQLEditorForm.GenerateBtnClick(Sender: TObject);
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var FieldNames: TStrings;
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begin
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if PageControl.ActivePage = ExecutePage then
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FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,true,
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ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
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else
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begin
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FieldNames := FIBSystemTables.GetFieldNames(FieldList);
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try
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FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
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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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end;
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procedure TIBModifySQLEditorForm.ExecutePageShow(Sender: TObject);
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var ProcName: string;
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IsProcedureName: boolean;
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begin
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FIBSystemTables.GetProcedureNames(ProcedureNames.Items,false);
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if ProcedureNames.Items.Count > 0 then
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begin
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if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
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begin
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FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
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ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
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end
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else
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ProcedureNames.ItemIndex := 0;
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end;
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ProcedureNamesCloseUp(nil);
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end;
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procedure TIBModifySQLEditorForm.ModifyPageShow(Sender: TObject);
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var TableName: string;
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begin
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TableNamesCombo.Items.Clear;
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try
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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,IncludePrimaryKeys.checked,false);
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FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
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end;
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except {ignore} end;
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end;
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procedure TIBModifySQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
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var ExecuteOnly: boolean;
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begin
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FIBSystemTables.GetProcParams(ProcedureNames.Text,ExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
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ExecuteOnlyIndicator.Visible := ExecuteOnly;
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end;
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procedure TIBModifySQLEditorForm.TestBtnClick(Sender: TObject);
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begin
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FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
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end;
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procedure TIBModifySQLEditorForm.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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constructor TIBModifySQLEditorForm.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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destructor TIBModifySQLEditorForm.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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procedure TIBModifySQLEditorForm.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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