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Add a function lastval(), which returns the value returned by the

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last nextval() or setval() performed by the current session. Update the
docs, add regression tests, and bump the catalog version. Patch from
Dennis Björklund, various improvements by Neil Conway.
This commit is contained in:
Neil Conway
2005-06-07 07:08:35 +00:00
parent c59887f916
commit 657c098e41
7 changed files with 202 additions and 36 deletions
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3
src/include/commands/sequence.h
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@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/commands/sequence.h,v 1.31 2005/06/06 17:01:25 tgl Exp $
* $PostgreSQL: pgsql/src/include/commands/sequence.h,v 1.32 2005/06/07 07:08:35 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@@ -82,6 +82,7 @@ typedef struct xl_seq_rec
extern Datum nextval(PG_FUNCTION_ARGS);
extern Datum currval(PG_FUNCTION_ARGS);
extern Datum lastval(PG_FUNCTION_ARGS);
extern Datum setval(PG_FUNCTION_ARGS);
extern Datum setval_and_iscalled(PG_FUNCTION_ARGS);