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Support "OR condition ..." in plpgsql EXCEPTION clauses to make the syntax

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more nearly Oracle-equivalent.  Allow matching by category as well as
specific error code.  Document the set of available condition names
(or more accurately, synchronize it with the existing documentation).  In
passing, update errcodes.sgml to include codes added during 7.5 development.
This commit is contained in:
Tom Lane
2004-07-31 23:04:58 +00:00
parent ad4d2e9711
commit 9c8d0850c3
11 changed files with 350 additions and 89 deletions
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6
src/include/utils/elog.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/elog.h,v 1.71 2004/07/31 00:45:43 tgl Exp $
* $PostgreSQL: pgsql/src/include/utils/elog.h,v 1.72 2004/07/31 23:04:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -61,6 +61,10 @@
(PGSIXBIT(ch1) + (PGSIXBIT(ch2) << 6) + (PGSIXBIT(ch3) << 12) + \
(PGSIXBIT(ch4) << 18) + (PGSIXBIT(ch5) << 24))
/* These macros depend on the fact that '0' becomes a zero in SIXBIT */
#define ERRCODE_TO_CATEGORY(ec) ((ec) & ((1 << 12) - 1))
#define ERRCODE_IS_CATEGORY(ec) (((ec) & ~((1 << 12) - 1)) == 0)
/* SQLSTATE codes for errors are defined in a separate file */
#include "utils/errcodes.h"