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As proposed,

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following is the patch to libpq's large object interface that
    removes the requirement to  include  fmgr.h  into  fe-lobj.c.
    The  large object interface now ask's the backend to tell the
    OID's of all the required functions in pg_proc.

From: wieck@sapserv.debis.de (Jan Wieck)
This commit is contained in:
Marc G. Fournier
1996-11-11 12:16:57 +00:00
parent 2bdded3540
commit 41b8c2c849
3 changed files with 237 additions and 12 deletions
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14
src/interfaces/libpq/libpq-fe.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: libpq-fe.h,v 1.11 1996/11/10 03:06:38 momjian Exp $
* $Id: libpq-fe.h,v 1.12 1996/11/11 12:16:57 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
@@ -96,6 +96,17 @@ typedef struct pgNotify {
int be_pid; /* process id of backend */
} PGnotify;
typedef struct pgLobjfuncs {
Oid fn_lo_open; /* OID of backend function lo_open */
Oid fn_lo_close; /* OID of backend function lo_close */
Oid fn_lo_creat; /* OID of backend function lo_creat */
Oid fn_lo_unlink; /* OID of backend function lo_unlink */
Oid fn_lo_lseek; /* OID of backend function lo_lseek */
Oid fn_lo_tell; /* OID of backend function lo_tell */
Oid fn_lo_read; /* OID of backend function LOread */
Oid fn_lo_write; /* OID of backend function LOwrite */
} PGlobjfuncs;
/* PGconn encapsulates a connection to the backend */
typedef struct pg_conn{
char *pghost; /* the machine on which the server is running */
@@ -113,6 +124,7 @@ typedef struct pg_conn{
int asyncNotifyWaiting;
Dllist* notifyList;
char *pguser; /* Postgres username of user who is connected */
PGlobjfuncs *lobjfuncs; /* Backend function OID's for large object access */
} PGconn;
#define CMDSTATUS_LEN 40