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Add PQdescribePrepared, PQdescribePortal, and related functions to libpq

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to allow obtaining information about previously prepared statements and
open cursors.  Volkan Yazici
This commit is contained in:
Tom Lane
2006-08-18 19:52:39 +00:00
parent 46d61eb218
commit 9a8920e1d7
6 changed files with 472 additions and 24 deletions
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10
src/interfaces/libpq/libpq-fe.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/interfaces/libpq/libpq-fe.h,v 1.131 2006/07/04 13:22:15 momjian Exp $
* $PostgreSQL: pgsql/src/interfaces/libpq/libpq-fe.h,v 1.132 2006/08/18 19:52:39 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -406,6 +406,14 @@ extern char *PQcmdTuples(PGresult *res);
extern char *PQgetvalue(const PGresult *res, int tup_num, int field_num);
extern int PQgetlength(const PGresult *res, int tup_num, int field_num);
extern int PQgetisnull(const PGresult *res, int tup_num, int field_num);
extern int PQnparams(const PGresult *res);
extern Oid PQparamtype(const PGresult *res, int param_num);
/* Describe prepared statements and portals */
extern PGresult *PQdescribePrepared(PGconn *conn, const char *stmt);
extern PGresult *PQdescribePortal(PGconn *conn, const char *portal);
extern int PQsendDescribePrepared(PGconn *conn, const char *stmt);
extern int PQsendDescribePortal(PGconn *conn, const char *portal);
/* Delete a PGresult */
extern void PQclear(PGresult *res);