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File: toresultconstraint.h

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//***************************************************************************
/*
 * TOra - An Oracle Toolkit for DBA's and developers
 * Copyright (C) 2000-2001,2001 Underscore AB
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation;  only version 2 of
 * the License is valid for this program.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 *      As a special exception, you have permission to link this program
 *      with the Oracle Client libraries and distribute executables, as long
 *      as you follow the requirements of the GNU GPL in regard to all of the
 *      software in the executable aside from Oracle client libraries.
 *
 *      Specifically you are not permitted to link this program with the
 *      Qt/UNIX, Qt/Windows or Qt Non Commercial products of TrollTech.
 *      And you are not permitted to distribute binaries compiled against
 *      these libraries without written consent from Underscore AB. Observe
 *      that this does not disallow linking to the Qt Free Edition.
 *
 * All trademarks belong to their respective owners.
 *
 ****************************************************************************/

#ifndef TORESULTCONSTRAINT_H
#define TORESULTCONSTRAINT_H

#include "tobackground.h"
#include "toresultview.h"

class toNoBlockQuery;

/** This widget displays information about the constraints of an object
 * specified by the first and second parameter in the query. The sql is not
 * used in the query.
 */

class toResultConstraint : public toResultView {
  Q_OBJECT

  /** The last table queried.
   */
  QString LastTable;
  /** Get columns for a constraints.
   * @param conOwner Owner of constraint.
   * @param conName Name of constraint.
   * @return String with column names separated by a ',' character.
   */
  QString constraintCols(const QString &conOwner,const QString &conName);

  QString Owner;
  QString TableName;

  toNoBlockQuery *Query;
  toBackground Poll;
public:
  /** Create the widget.
   * @param parent Parent widget.
   * @param name Name of widget.
   */
  toResultConstraint(QWidget *parent,const char *name=NULL);
  /** Destroy object
   */
  ~toResultConstraint();
  /** Reimplemented for internal reasons.
   */
  virtual void query(const QString &sql,const toQList &param);
  /** Support Oracle
   */
  virtual bool canHandle(toConnection &conn);
private slots:
  void poll(void);
};

#endif