diff options
Diffstat (limited to 'src/include/utils/selfuncs.h')
| -rw-r--r-- | src/include/utils/selfuncs.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/include/utils/selfuncs.h b/src/include/utils/selfuncs.h index 8e73e61ffdc..49f3bc7e005 100644 --- a/src/include/utils/selfuncs.h +++ b/src/include/utils/selfuncs.h @@ -8,7 +8,7 @@ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: selfuncs.h,v 1.9 2002/10/19 02:56:16 tgl Exp $ + * $Id: selfuncs.h,v 1.10 2002/11/19 23:22:00 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -75,6 +75,9 @@ extern void mergejoinscansel(Query *root, Node *clause, Selectivity *leftscan, Selectivity *rightscan); +extern double estimate_num_groups(Query *root, List *groupClauses, + double input_rows); + extern Datum btcostestimate(PG_FUNCTION_ARGS); extern Datum rtcostestimate(PG_FUNCTION_ARGS); extern Datum hashcostestimate(PG_FUNCTION_ARGS); |