1996-07-09 08:22:35 +02:00
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/*-------------------------------------------------------------------------
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*
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* libpq-fe.h--
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1997-09-07 07:04:48 +02:00
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* This file contains definitions for structures and
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* externs for functions used by frontend postgres applications.
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1996-07-09 08:22:35 +02:00
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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1998-09-01 06:40:42 +02:00
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* $Id: libpq-fe.h,v 1.40 1998/09/01 04:40:10 momjian Exp $
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1996-07-09 08:22:35 +02:00
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef LIBPQ_FE_H
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#define LIBPQ_FE_H
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#ifdef __cplusplus
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1997-09-08 04:41:22 +02:00
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extern "C"
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1997-09-07 07:04:48 +02:00
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{
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1996-07-09 08:22:35 +02:00
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#endif
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1996-11-22 05:39:53 +01:00
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#include <stdio.h>
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1998-08-17 05:50:43 +02:00
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/* these wouldn't need to be included if PGSockAddr weren't exported: */
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1998-08-29 06:05:46 +02:00
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#ifdef WIN32
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#include <winsock.h>
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#else
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1998-08-17 05:50:43 +02:00
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <netinet/in.h>
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1998-08-29 06:05:46 +02:00
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#endif
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1996-07-09 08:22:35 +02:00
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/* ----------------
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1997-09-07 07:04:48 +02:00
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* include stuff common to fe and be
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1996-07-09 08:22:35 +02:00
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* ----------------
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*/
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1996-12-10 08:05:12 +01:00
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#include "postgres_ext.h"
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1996-07-09 08:22:35 +02:00
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#include "lib/dllist.h"
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1998-05-07 01:51:16 +02:00
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/* Application-visible enum types */
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1997-09-07 07:04:48 +02:00
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typedef enum
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{
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CONNECTION_OK,
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CONNECTION_BAD
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1997-09-08 23:56:23 +02:00
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} ConnStatusType;
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1997-09-07 07:04:48 +02:00
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typedef enum
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{
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PGRES_EMPTY_QUERY = 0,
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PGRES_COMMAND_OK, /* a query command that doesn't return */
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/* anything was executed properly by the backend */
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PGRES_TUPLES_OK, /* a query command that returns tuples */
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/* was executed properly by the backend, PGresult */
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1998-05-07 01:51:16 +02:00
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/* contains the result tuples */
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PGRES_COPY_OUT, /* Copy Out data transfer in progress */
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PGRES_COPY_IN, /* Copy In data transfer in progress */
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1997-09-07 07:04:48 +02:00
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PGRES_BAD_RESPONSE, /* an unexpected response was recv'd from
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* the backend */
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PGRES_NONFATAL_ERROR,
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PGRES_FATAL_ERROR
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1997-09-08 23:56:23 +02:00
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} ExecStatusType;
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1996-07-09 08:22:35 +02:00
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/* string descriptions of the ExecStatusTypes */
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1998-09-01 06:40:42 +02:00
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extern const char *const pgresStatus[];
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1996-07-09 08:22:35 +02:00
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1997-09-07 07:04:48 +02:00
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/*
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* POSTGRES backend dependent Constants.
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1996-07-09 08:22:35 +02:00
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*/
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/* ERROR_MSG_LENGTH should really be the same as ELOG_MAXLEN in utils/elog.h*/
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#define ERROR_MSG_LENGTH 4096
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1998-05-07 01:51:16 +02:00
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#define CMDSTATUS_LEN 40
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1996-07-09 08:22:35 +02:00
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1998-05-07 01:51:16 +02:00
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/* PGresult and the subsidiary types PGresAttDesc, PGresAttValue
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* represent the result of a query (or more precisely, of a single SQL
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* command --- a query string given to PQexec can contain multiple commands).
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* Note we assume that a single command can return at most one tuple group,
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* hence there is no need for multiple descriptor sets.
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1996-07-09 08:22:35 +02:00
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*/
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1997-09-07 07:04:48 +02:00
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typedef struct pgresAttDesc
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{
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1997-09-08 04:41:22 +02:00
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char *name; /* type name */
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1998-07-13 18:35:04 +02:00
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Oid typid; /* type id */
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1998-07-14 04:41:26 +02:00
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short typlen; /* type size */
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1998-07-13 04:41:59 +02:00
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int atttypmod; /* type-specific modifier info */
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1997-09-08 23:56:23 +02:00
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} PGresAttDesc;
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1996-07-09 08:22:35 +02:00
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/* use char* for Attribute values,
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ASCII tuples are guaranteed to be null-terminated
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For binary tuples, the first four bytes of the value is the size,
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1997-09-07 07:04:48 +02:00
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and the bytes afterwards are the value. The binary value is
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1998-08-17 05:50:43 +02:00
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not guaranteed to be null-terminated. In fact, it can have embedded nulls
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*/
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1996-08-13 03:34:29 +02:00
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1997-09-07 07:04:48 +02:00
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#define NULL_LEN (-1) /* pg_result len for NULL value */
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typedef struct pgresAttValue
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{
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1997-09-08 04:41:22 +02:00
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int len; /* length in bytes of the value */
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char *value; /* actual value */
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1997-09-08 23:56:23 +02:00
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} PGresAttValue;
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1997-09-07 07:04:48 +02:00
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1998-05-07 01:51:16 +02:00
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struct pg_conn; /* forward reference */
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typedef struct pg_result
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{
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int ntups;
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int numAttributes;
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PGresAttDesc *attDescs;
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PGresAttValue **tuples; /* each PGresTuple is an array of
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* PGresAttValue's */
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int tupArrSize; /* size of tuples array allocated */
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ExecStatusType resultStatus;
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char cmdStatus[CMDSTATUS_LEN]; /* cmd status from the
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* last insert query */
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int binary; /* binary tuple values if binary == 1,
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* otherwise ASCII */
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struct pg_conn *conn; /* connection we did the query on */
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} PGresult;
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/* PGnotify represents the occurrence of a NOTIFY message */
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1997-09-07 07:04:48 +02:00
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typedef struct pgNotify
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{
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1997-09-08 04:41:22 +02:00
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char relname[NAMEDATALEN]; /* name of relation
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1997-09-07 07:04:48 +02:00
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* containing data */
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1997-09-08 04:41:22 +02:00
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int be_pid; /* process id of backend */
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1997-09-08 23:56:23 +02:00
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} PGnotify;
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1997-09-07 07:04:48 +02:00
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1998-08-09 04:59:33 +02:00
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/* PQnoticeProcessor is a typedef for a callback function type */
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1998-09-01 06:40:42 +02:00
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typedef void (*PQnoticeProcessor) (void *arg, const char *message);
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1998-08-09 04:59:33 +02:00
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1998-05-07 01:51:16 +02:00
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/* PGAsyncStatusType is private to libpq, really shouldn't be seen by users */
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typedef enum
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{
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PGASYNC_IDLE, /* nothing's happening, dude */
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PGASYNC_BUSY, /* query in progress */
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PGASYNC_READY, /* result ready for PQgetResult */
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PGASYNC_COPY_IN, /* Copy In data transfer in progress */
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PGASYNC_COPY_OUT /* Copy Out data transfer in progress */
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1998-09-01 06:40:42 +02:00
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} PGAsyncStatusType;
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1998-05-07 01:51:16 +02:00
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1998-08-17 05:50:43 +02:00
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/* generic socket address type for PGconn connection information.
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* Really shouldn't be visible to users */
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typedef union PGSockAddr
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{
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struct sockaddr sa;
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struct sockaddr_in in;
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1998-08-29 06:05:46 +02:00
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#ifndef WIN32
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1998-08-17 05:50:43 +02:00
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struct sockaddr_un un;
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1998-08-29 06:05:46 +02:00
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#endif
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1998-09-01 06:40:42 +02:00
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} PGSockAddr;
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1998-08-17 05:50:43 +02:00
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1998-05-07 01:51:16 +02:00
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/* large-object-access data ... allocated only if large-object code is used.
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* Really shouldn't be visible to users */
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1997-09-07 07:04:48 +02:00
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typedef struct pgLobjfuncs
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{
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1997-09-08 04:41:22 +02:00
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Oid fn_lo_open; /* OID of backend function lo_open */
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Oid fn_lo_close;/* OID of backend function lo_close */
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Oid fn_lo_creat;/* OID of backend function lo_creat */
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Oid fn_lo_unlink; /* OID of backend function
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1997-09-07 07:04:48 +02:00
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* lo_unlink */
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1997-09-08 04:41:22 +02:00
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Oid fn_lo_lseek;/* OID of backend function lo_lseek */
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Oid fn_lo_tell; /* OID of backend function lo_tell */
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Oid fn_lo_read; /* OID of backend function LOread */
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Oid fn_lo_write;/* OID of backend function LOwrite */
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1997-09-08 23:56:23 +02:00
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} PGlobjfuncs;
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1996-11-11 13:16:57 +01:00
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1998-05-07 01:51:16 +02:00
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/* PGconn encapsulates a connection to the backend.
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1998-08-17 05:50:43 +02:00
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* XXX contents of this struct really shouldn't be visible to applications,
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* but we might break some existing applications if we tried to make it
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* completely opaque.
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1998-05-07 01:51:16 +02:00
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*/
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1997-09-07 07:04:48 +02:00
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typedef struct pg_conn
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{
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1998-05-07 01:51:16 +02:00
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/* Saved values of connection options */
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1997-09-08 04:41:22 +02:00
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char *pghost; /* the machine on which the server is
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1997-09-07 07:04:48 +02:00
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* running */
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1998-05-07 01:51:16 +02:00
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char *pgport; /* the server's communication port */
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1997-09-08 04:41:22 +02:00
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char *pgtty; /* tty on which the backend messages is
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1998-05-07 01:51:16 +02:00
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* displayed (NOT ACTUALLY USED???) */
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1997-09-08 04:41:22 +02:00
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char *pgoptions; /* options to start the backend with */
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char *dbName; /* database name */
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1998-05-07 01:51:16 +02:00
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char *pguser; /* Postgres username and password, if any */
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char *pgpass;
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/* Optional file to write trace info to */
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1997-09-08 04:41:22 +02:00
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FILE *Pfdebug;
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1998-05-07 01:51:16 +02:00
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1998-08-09 04:59:33 +02:00
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/* Callback procedure for notice/error message processing */
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1998-09-01 06:40:42 +02:00
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PQnoticeProcessor noticeHook;
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1998-08-09 04:59:33 +02:00
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void *noticeArg;
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1998-05-07 01:51:16 +02:00
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/* Status indicators */
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1998-09-01 06:40:42 +02:00
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ConnStatusType status;
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PGAsyncStatusType asyncStatus;
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Dllist *notifyList; /* Notify msgs not yet handed to
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* application */
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1998-05-07 01:51:16 +02:00
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/* Connection data */
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int sock; /* Unix FD for socket, -1 if not connected */
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1998-08-17 05:50:43 +02:00
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PGSockAddr laddr; /* Local address */
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PGSockAddr raddr; /* Remote address */
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1998-07-09 05:29:11 +02:00
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int raddr_len; /* Length of remote address */
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1996-07-09 08:22:35 +02:00
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1998-05-07 01:51:16 +02:00
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/* Miscellaneous stuff */
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1998-07-09 05:29:11 +02:00
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int be_pid; /* PID of backend --- needed for cancels */
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int be_key; /* key of backend --- needed for cancels */
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1998-05-07 01:51:16 +02:00
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char salt[2]; /* password salt received from backend */
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1998-09-01 06:40:42 +02:00
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PGlobjfuncs *lobjfuncs; /* private state for large-object access
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* fns */
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1998-05-07 01:51:16 +02:00
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/* Buffer for data received from backend and not yet processed */
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1998-09-01 06:40:42 +02:00
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char *inBuffer; /* currently allocated buffer */
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1998-05-07 01:51:16 +02:00
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int inBufSize; /* allocated size of buffer */
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1998-09-01 06:40:42 +02:00
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int inStart; /* offset to first unconsumed data in
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* buffer */
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1998-05-07 01:51:16 +02:00
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int inCursor; /* next byte to tentatively consume */
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1998-09-01 06:40:42 +02:00
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int inEnd; /* offset to first position after avail
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* data */
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1998-05-07 01:51:16 +02:00
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/* Buffer for data not yet sent to backend */
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1998-09-01 06:40:42 +02:00
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char *outBuffer; /* currently allocated buffer */
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int outBufSize; /* allocated size of buffer */
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1998-05-07 01:51:16 +02:00
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int outCount; /* number of chars waiting in buffer */
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/* Status for asynchronous result construction */
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1998-09-01 06:40:42 +02:00
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PGresult *result; /* result being constructed */
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PGresAttValue *curTuple;/* tuple currently being read */
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/*
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* Message space. Placed last for code-size reasons. errorMessage
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* is the message last returned to the application. When
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* asyncStatus=READY, asyncErrorMessage is the pending message
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* that will be put in errorMessage by PQgetResult.
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*/
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1998-05-07 01:51:16 +02:00
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char errorMessage[ERROR_MSG_LENGTH];
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char asyncErrorMessage[ERROR_MSG_LENGTH];
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} PGconn;
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1997-09-07 07:04:48 +02:00
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/*
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* We can't use the conventional "bool", because we are designed to be
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* included in a user's program, and user may already have that type
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* defined. Pqbool, on the other hand, is unlikely to be used.
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*/
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1998-08-17 05:50:43 +02:00
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typedef char pqbool;
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1998-05-07 01:51:16 +02:00
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/* Print options for PQprint() */
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typedef struct _PQprintOpt
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1997-09-07 07:04:48 +02:00
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{
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1997-09-08 04:41:22 +02:00
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pqbool header; /* print output field headings and row
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1997-09-07 07:04:48 +02:00
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* count */
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1997-09-08 04:41:22 +02:00
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pqbool align; /* fill align the fields */
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pqbool standard; /* old brain dead format */
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pqbool html3; /* output html tables */
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pqbool expanded; /* expand tables */
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pqbool pager; /* use pager for output if needed */
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char *fieldSep; /* field separator */
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char *tableOpt; /* insert to HTML <table ...> */
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char *caption; /* HTML <caption> */
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char **fieldName; /* null terminated array of repalcement
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* field names */
|
1998-05-07 01:51:16 +02:00
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} PQprintOpt;
|
1997-09-07 07:04:48 +02:00
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|
1998-05-07 01:51:16 +02:00
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|
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/* ----------------
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|
* PQArgBlock -- structure for PQfn() arguments
|
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|
|
* ----------------
|
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|
*/
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typedef struct
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{
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int len;
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int isint;
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union
|
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|
{
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int *ptr; /* can't use void (dec compiler barfs) */
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|
|
int integer;
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|
|
|
} u;
|
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|
|
} PQArgBlock;
|
1996-07-09 08:22:35 +02:00
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|
1996-11-09 11:39:54 +01:00
|
|
|
/* ----------------
|
1998-08-17 05:50:43 +02:00
|
|
|
* Structure for the conninfo parameter definitions returned by PQconndefaults
|
1996-11-09 11:39:54 +01:00
|
|
|
* ----------------
|
|
|
|
*/
|
1998-05-07 01:51:16 +02:00
|
|
|
typedef struct _PQconninfoOption
|
1997-09-07 07:04:48 +02:00
|
|
|
{
|
1997-09-08 04:41:22 +02:00
|
|
|
char *keyword; /* The keyword of the option */
|
|
|
|
char *environ; /* Fallback environment variable name */
|
|
|
|
char *compiled; /* Fallback compiled in default value */
|
|
|
|
char *val; /* Options value */
|
|
|
|
char *label; /* Label for field in connect dialog */
|
|
|
|
char *dispchar; /* Character to display for this field */
|
1997-09-07 07:04:48 +02:00
|
|
|
/* in a connect dialog. Values are: */
|
|
|
|
/* "" Display entered value as is */
|
|
|
|
/* "*" Password field - hide value */
|
|
|
|
/* "D" Debug options - don't */
|
|
|
|
/* create a field by default */
|
1997-09-08 04:41:22 +02:00
|
|
|
int dispsize; /* Field size in characters for dialog */
|
1998-05-07 01:51:16 +02:00
|
|
|
} PQconninfoOption;
|
1997-09-07 07:04:48 +02:00
|
|
|
|
1998-08-17 05:50:43 +02:00
|
|
|
/* ----------------
|
|
|
|
* Exported functions of libpq
|
|
|
|
* ----------------
|
|
|
|
*/
|
|
|
|
|
1997-09-07 07:04:48 +02:00
|
|
|
/* === in fe-connect.c === */
|
1998-08-17 05:50:43 +02:00
|
|
|
|
1997-09-07 07:04:48 +02:00
|
|
|
/* make a new client connection to the backend */
|
1997-09-08 04:41:22 +02:00
|
|
|
extern PGconn *PQconnectdb(const char *conninfo);
|
1998-08-17 05:50:43 +02:00
|
|
|
extern PGconn *PQsetdbLogin(const char *pghost, const char *pgport,
|
|
|
|
const char *pgoptions, const char *pgtty,
|
1998-09-01 06:40:42 +02:00
|
|
|
const char *dbName,
|
|
|
|
const char *login, const char *pwd);
|
1998-08-17 05:50:43 +02:00
|
|
|
#define PQsetdb(M_PGHOST,M_PGPORT,M_PGOPT,M_PGTTY,M_DBNAME) \
|
|
|
|
PQsetdbLogin(M_PGHOST, M_PGPORT, M_PGOPT, M_PGTTY, M_DBNAME, NULL, NULL)
|
|
|
|
|
|
|
|
/* get info about connection options known to PQconnectdb */
|
1997-09-07 07:04:48 +02:00
|
|
|
extern PQconninfoOption *PQconndefaults(void);
|
1998-08-17 05:50:43 +02:00
|
|
|
|
1997-09-07 07:04:48 +02:00
|
|
|
/* close the current connection and free the PGconn data structure */
|
1997-09-08 23:56:23 +02:00
|
|
|
extern void PQfinish(PGconn *conn);
|
1998-09-01 06:40:42 +02:00
|
|
|
|
1997-09-07 07:04:48 +02:00
|
|
|
/*
|
|
|
|
* close the current connection and restablish a new one with the same
|
|
|
|
* parameters
|
|
|
|
*/
|
1997-09-08 23:56:23 +02:00
|
|
|
extern void PQreset(PGconn *conn);
|
|
|
|
|
1998-08-17 05:50:43 +02:00
|
|
|
/* issue a cancel request */
|
|
|
|
extern int PQrequestCancel(PGconn *conn);
|
|
|
|
|
1998-05-07 01:51:16 +02:00
|
|
|
/* Accessor functions for PGconn objects */
|
1997-09-08 23:56:23 +02:00
|
|
|
extern char *PQdb(PGconn *conn);
|
|
|
|
extern char *PQuser(PGconn *conn);
|
|
|
|
extern char *PQhost(PGconn *conn);
|
|
|
|
extern char *PQoptions(PGconn *conn);
|
|
|
|
extern char *PQport(PGconn *conn);
|
|
|
|
extern char *PQtty(PGconn *conn);
|
|
|
|
extern ConnStatusType PQstatus(PGconn *conn);
|
|
|
|
extern char *PQerrorMessage(PGconn *conn);
|
1998-09-01 06:40:42 +02:00
|
|
|
extern int PQsocket(PGconn *conn);
|
1998-05-07 01:51:16 +02:00
|
|
|
|
|
|
|
/* Enable/disable tracing */
|
1997-09-08 23:56:23 +02:00
|
|
|
extern void PQtrace(PGconn *conn, FILE *debug_port);
|
|
|
|
extern void PQuntrace(PGconn *conn);
|
1996-07-09 08:22:35 +02:00
|
|
|
|
1998-08-09 04:59:33 +02:00
|
|
|
/* Override default notice processor */
|
1998-09-01 06:40:42 +02:00
|
|
|
extern void PQsetNoticeProcessor(PGconn *conn,
|
|
|
|
PQnoticeProcessor proc,
|
|
|
|
void *arg);
|
1998-08-09 04:59:33 +02:00
|
|
|
|
1996-07-09 08:22:35 +02:00
|
|
|
/* === in fe-exec.c === */
|
1998-08-17 05:50:43 +02:00
|
|
|
|
1998-05-07 01:51:16 +02:00
|
|
|
/* Simple synchronous query */
|
1997-09-08 23:56:23 +02:00
|
|
|
extern PGresult *PQexec(PGconn *conn, const char *query);
|
1998-05-07 01:51:16 +02:00
|
|
|
extern PGnotify *PQnotifies(PGconn *conn);
|
1998-08-17 05:50:43 +02:00
|
|
|
|
1998-05-07 01:51:16 +02:00
|
|
|
/* Interface for multiple-result or asynchronous queries */
|
1998-09-01 06:40:42 +02:00
|
|
|
extern int PQsendQuery(PGconn *conn, const char *query);
|
1998-05-07 01:51:16 +02:00
|
|
|
extern PGresult *PQgetResult(PGconn *conn);
|
1998-08-17 05:50:43 +02:00
|
|
|
|
1998-05-07 01:51:16 +02:00
|
|
|
/* Routines for managing an asychronous query */
|
|
|
|
extern int PQisBusy(PGconn *conn);
|
|
|
|
extern void PQconsumeInput(PGconn *conn);
|
1998-08-17 05:50:43 +02:00
|
|
|
|
1998-05-07 01:51:16 +02:00
|
|
|
/* Routines for copy in/out */
|
1997-09-08 23:56:23 +02:00
|
|
|
extern int PQgetline(PGconn *conn, char *string, int length);
|
|
|
|
extern void PQputline(PGconn *conn, const char *string);
|
1998-08-17 05:50:43 +02:00
|
|
|
extern void PQputnbytes(PGconn *conn, const char *buffer, int nbytes);
|
1998-05-07 01:51:16 +02:00
|
|
|
extern int PQendcopy(PGconn *conn);
|
1998-08-17 05:50:43 +02:00
|
|
|
|
1998-09-01 06:40:42 +02:00
|
|
|
/*
|
|
|
|
* "Fast path" interface --- not really recommended for application
|
|
|
|
* use
|
|
|
|
*/
|
1998-05-07 01:51:16 +02:00
|
|
|
extern PGresult *PQfn(PGconn *conn,
|
1998-09-01 06:40:42 +02:00
|
|
|
int fnid,
|
|
|
|
int *result_buf,
|
|
|
|
int *result_len,
|
|
|
|
int result_is_int,
|
|
|
|
PQArgBlock *args,
|
|
|
|
int nargs);
|
1998-05-07 01:51:16 +02:00
|
|
|
|
|
|
|
/* Accessor functions for PGresult objects */
|
1997-09-08 23:56:23 +02:00
|
|
|
extern ExecStatusType PQresultStatus(PGresult *res);
|
|
|
|
extern int PQntuples(PGresult *res);
|
|
|
|
extern int PQnfields(PGresult *res);
|
|
|
|
extern char *PQfname(PGresult *res, int field_num);
|
|
|
|
extern int PQfnumber(PGresult *res, const char *field_name);
|
|
|
|
extern Oid PQftype(PGresult *res, int field_num);
|
|
|
|
extern short PQfsize(PGresult *res, int field_num);
|
1998-07-14 04:41:26 +02:00
|
|
|
extern int PQfmod(PGresult *res, int field_num);
|
1997-09-08 23:56:23 +02:00
|
|
|
extern char *PQcmdStatus(PGresult *res);
|
|
|
|
extern const char *PQoidStatus(PGresult *res);
|
|
|
|
extern const char *PQcmdTuples(PGresult *res);
|
|
|
|
extern char *PQgetvalue(PGresult *res, int tup_num, int field_num);
|
|
|
|
extern int PQgetlength(PGresult *res, int tup_num, int field_num);
|
|
|
|
extern int PQgetisnull(PGresult *res, int tup_num, int field_num);
|
1998-08-17 05:50:43 +02:00
|
|
|
|
1998-05-07 01:51:16 +02:00
|
|
|
/* Delete a PGresult */
|
1997-09-08 23:56:23 +02:00
|
|
|
extern void PQclear(PGresult *res);
|
1998-05-07 01:51:16 +02:00
|
|
|
|
|
|
|
/* === in fe-print.c === */
|
1998-08-17 05:50:43 +02:00
|
|
|
|
1998-05-07 01:51:16 +02:00
|
|
|
extern void PQprint(FILE *fout, /* output stream */
|
1998-09-01 06:40:42 +02:00
|
|
|
PGresult *res,
|
|
|
|
PQprintOpt *ps); /* option structure */
|
1998-08-17 05:50:43 +02:00
|
|
|
|
1998-09-01 06:40:42 +02:00
|
|
|
/*
|
|
|
|
* PQdisplayTuples() is a better version of PQprintTuples(), but both
|
|
|
|
* are obsoleted by PQprint().
|
1998-05-07 01:51:16 +02:00
|
|
|
*/
|
1997-09-08 23:56:23 +02:00
|
|
|
extern void PQdisplayTuples(PGresult *res,
|
1998-09-01 06:40:42 +02:00
|
|
|
FILE *fp, /* where to send the
|
|
|
|
* output */
|
|
|
|
int fillAlign, /* pad the fields with
|
|
|
|
* spaces */
|
|
|
|
const char *fieldSep, /* field separator */
|
|
|
|
int printHeader, /* display headers? */
|
|
|
|
int quiet);
|
1997-09-08 23:56:23 +02:00
|
|
|
extern void PQprintTuples(PGresult *res,
|
1998-09-01 06:40:42 +02:00
|
|
|
FILE *fout, /* output stream */
|
|
|
|
int printAttName, /* print attribute names
|
|
|
|
* or not */
|
|
|
|
int terseOutput, /* delimiter bars or
|
|
|
|
* not? */
|
|
|
|
int width); /* width of column, if
|
|
|
|
* 0, use variable width */
|
1998-05-07 01:51:16 +02:00
|
|
|
|
1998-07-18 20:34:34 +02:00
|
|
|
#ifdef MULTIBYTE
|
1998-09-01 06:40:42 +02:00
|
|
|
extern int PQmblen(unsigned char *s);
|
1998-06-16 09:29:54 +02:00
|
|
|
#endif
|
|
|
|
|
1996-07-09 08:22:35 +02:00
|
|
|
/* === in fe-lobj.c === */
|
1998-08-17 05:50:43 +02:00
|
|
|
|
|
|
|
/* Large-object access routines */
|
1998-05-07 01:51:16 +02:00
|
|
|
extern int lo_open(PGconn *conn, Oid lobjId, int mode);
|
|
|
|
extern int lo_close(PGconn *conn, int fd);
|
|
|
|
extern int lo_read(PGconn *conn, int fd, char *buf, int len);
|
|
|
|
extern int lo_write(PGconn *conn, int fd, char *buf, int len);
|
|
|
|
extern int lo_lseek(PGconn *conn, int fd, int offset, int whence);
|
|
|
|
extern Oid lo_creat(PGconn *conn, int mode);
|
|
|
|
extern int lo_tell(PGconn *conn, int fd);
|
|
|
|
extern int lo_unlink(PGconn *conn, Oid lobjId);
|
|
|
|
extern Oid lo_import(PGconn *conn, char *filename);
|
|
|
|
extern int lo_export(PGconn *conn, Oid lobjId, char *filename);
|
|
|
|
|
1996-07-09 08:22:35 +02:00
|
|
|
#ifdef __cplusplus
|
|
|
|
};
|
1998-09-01 06:40:42 +02:00
|
|
|
|
1997-09-07 07:04:48 +02:00
|
|
|
#endif
|
1996-07-09 08:22:35 +02:00
|
|
|
|
1998-09-01 06:40:42 +02:00
|
|
|
#endif /* LIBPQ_FE_H */
|