command.h

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/*
 * psql - the PostgreSQL interactive terminal
 *
 * Copyright (c) 2000-2025, PostgreSQL Global Development Group
 *
 * src/bin/psql/command.h
 */
#ifndef COMMAND_H
#define COMMAND_H
 
#include "fe_utils/conditional.h"
#include "fe_utils/print.h"
#include "fe_utils/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,
                                       ConditionalStack cstack,
                                       PQExpBuffer query_buf,
                                       PQExpBuffer previous_buf);
 
extern int  process_file(char *filename, bool use_relative_path);
 
extern bool do_pset(const char *param,
                    const char *value,
                    printQueryOpt *popt,
                    bool quiet);
 
extern printQueryOpt *savePsetInfo(const printQueryOpt *popt);
 
extern void restorePsetInfo(printQueryOpt *popt, printQueryOpt *save);
 
extern void connection_warnings(bool in_startup);
 
extern void SyncVariables(void);
 
extern void UnsyncVariables(void);
 
#endif                          /* COMMAND_H */