diff options
Diffstat (limited to 'src/include/fmgr.h')
| -rw-r--r-- | src/include/fmgr.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/include/fmgr.h b/src/include/fmgr.h index 2c05dfc134..b5e7435828 100644 --- a/src/include/fmgr.h +++ b/src/include/fmgr.h @@ -11,7 +11,7 @@ * Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/fmgr.h,v 1.63 2010/01/02 16:58:00 momjian Exp $ + * $PostgreSQL: pgsql/src/include/fmgr.h,v 1.64 2010/02/08 20:39:52 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -530,6 +530,20 @@ extern PGFunction lookup_external_function(void *filehandle, char *funcname); extern void load_file(const char *filename, bool restricted); extern void **find_rendezvous_variable(const char *varName); +/* + * Support for aggregate functions + * + * This is actually in executor/nodeAgg.c, but we declare it here since the + * whole point is for callers of it to not be overly friendly with nodeAgg. + */ + +/* AggCheckCallContext can return one of the following codes, or 0: */ +#define AGG_CONTEXT_AGGREGATE 1 /* regular aggregate */ +#define AGG_CONTEXT_WINDOW 2 /* window function */ + +extern int AggCheckCallContext(FunctionCallInfo fcinfo, + MemoryContext *aggcontext); + /* * !!! OLD INTERFACE !!! |