text: /*-------------------------------------------------------------------------
   *
   * rewriteHandler.h
   *		External interface to query rewriter.
   *
   *
   * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
   * Portions Copyright (c) 1994, Regents of the University of California
   *
   * src/include/rewrite/rewriteHandler.h
   *
   *-------------------------------------------------------------------------
   */
  #ifndef REWRITEHANDLER_H
  #define REWRITEHANDLER_H
  
  #include "utils/relcache.h"
  #include "nodes/parsenodes.h"
  
  extern List *QueryRewrite(Query *parsetree);
  extern void AcquireRewriteLocks(Query *parsetree, bool forUpdatePushedDown);
  extern Node *build_column_default(Relation rel, int attrno);
  
  #ifdef PGXC
  extern List *QueryRewriteCTAS(Query *parsetree);
  #endif
  
  #endif   /* REWRITEHANDLER_H */
  