text: /*
   * psql - the PostgreSQL interactive terminal
   *
   * Copyright (c) 2000-2006, PostgreSQL Global Development Group
   *
   * $PostgreSQL: pgsql/src/bin/psql/command.h,v 1.28 2006/10/04 00:30:05 momjian Exp $
   */
  #ifndef COMMAND_H
  #define COMMAND_H
  
  #include "print.h"
  #include "psqlscan.h"
  
  
  typedef enum _backslashResult
  {
  	PSQL_CMD_UNKNOWN = 0,		/* not done parsing yet (internal only) */
  	PSQL_CMD_SEND,				/* query complete; send off */
  	PSQL_CMD_SKIP_LINE,			/* keep building query */
  	PSQL_CMD_TERMINATE,			/* quit program */
  	PSQL_CMD_NEWEDIT,			/* query buffer was changed (e.g., via \e) */
  	PSQL_CMD_ERROR				/* the execution of the backslash command
  								 * resulted in an error */
  } backslashResult;
  
  
  extern backslashResult HandleSlashCmds(PsqlScanState scan_state,
  				PQExpBuffer query_buf);
  
  extern int	process_file(char *filename, bool single_txn);
  
  extern bool do_pset(const char *param,
  		const char *value,
  		printQueryOpt *popt,
  		bool quiet);
  
  extern void SyncVariables(void);
  
  extern void UnsyncVariables(void);
  
  #endif   /* COMMAND_H */
  