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/*
* common.h
* Common support routines for bin/scripts/
*
* Copyright (c) 2003-2020, PostgreSQL Global Development Group
*
* src/bin/scripts/common.h
*/
#ifndef COMMON_H
#define COMMON_H
#include "common/username.h"
#include "getopt_long.h" /* pgrminclude ignore */
#include "libpq-fe.h"
#include "pqexpbuffer.h" /* pgrminclude ignore */
enum trivalue
{
TRI_DEFAULT,
TRI_NO,
TRI_YES
};
/* Parameters needed by connectDatabase/connectMaintenanceDatabase */
typedef struct _connParams
{
/* These fields record the actual command line parameters */
const char *dbname; /* this may be a connstring! */
const char *pghost;
const char *pgport;
const char *pguser;
enum trivalue prompt_password;
/* If not NULL, this overrides the dbname obtained from command line */
/* (but *only* the DB name, not anything else in the connstring) */
const char *override_dbname;
} ConnParams;
typedef void (*help_handler) (const char *progname);
extern void handle_help_version_opts(int argc, char *argv[],
const char *fixed_progname,
help_handler hlp);
extern PGconn *connectDatabase(const ConnParams *cparams,
const char *progname,
bool echo, bool fail_ok,
bool allow_password_reuse);
extern PGconn *connectMaintenanceDatabase(ConnParams *cparams,
const char *progname, bool echo);
extern void disconnectDatabase(PGconn *conn);
extern PGresult *executeQuery(PGconn *conn, const char *query, bool echo);
extern void executeCommand(PGconn *conn, const char *query, bool echo);
extern bool executeMaintenanceCommand(PGconn *conn, const char *query,
bool echo);
extern bool consumeQueryResult(PGconn *conn);
extern bool processQueryResult(PGconn *conn, PGresult *result);
extern void splitTableColumnsSpec(const char *spec, int encoding,
char **table, const char **columns);
extern void appendQualifiedRelation(PQExpBuffer buf, const char *name,
PGconn *conn, bool echo);
extern bool yesno_prompt(const char *question);
#endif /* COMMON_H */
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