diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2006-04-27 00:46:59 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2006-04-27 00:46:59 +0000 |
| commit | a3c1a11fc1a8040b1551f76258d617aa20b67908 (patch) | |
| tree | 93674b8fc83d3faf6fa1d58c2a6154d0fbfa60ef /src/include | |
| parent | f1b3d5b02d982ad4c64b55a52578130c003046f8 (diff) | |
If we're going to expose VariableStatData for contrib modules to use,
then we should export a reasonable set of the supporting routines too.
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/utils/selfuncs.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/include/utils/selfuncs.h b/src/include/utils/selfuncs.h index ad484d8b492..9ba11c99ae5 100644 --- a/src/include/utils/selfuncs.h +++ b/src/include/utils/selfuncs.h @@ -8,7 +8,7 @@ * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/utils/selfuncs.h,v 1.30 2006/04/26 22:33:36 momjian Exp $ + * $PostgreSQL: pgsql/src/include/utils/selfuncs.h,v 1.31 2006/04/27 00:46:59 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -97,6 +97,19 @@ typedef enum /* selfuncs.c */ +extern void examine_variable(PlannerInfo *root, Node *node, int varRelid, + VariableStatData *vardata); +extern bool get_restriction_variable(PlannerInfo *root, List *args, + int varRelid, + VariableStatData *vardata, Node **other, + bool *varonleft); +extern void get_join_variables(PlannerInfo *root, List *args, + VariableStatData *vardata1, + VariableStatData *vardata2); +extern double get_variable_numdistinct(VariableStatData *vardata); +extern double mcv_selectivity(VariableStatData *vardata, FmgrInfo *opproc, + Datum constval, double *sumcommonp); + extern Pattern_Prefix_Status pattern_fixed_prefix(Const *patt, Pattern_Type ptype, Const **prefix, @@ -154,8 +167,5 @@ extern Selectivity estimate_hash_bucketsize(PlannerInfo *root, Node *hashkey, extern Datum btcostestimate(PG_FUNCTION_ARGS); extern Datum hashcostestimate(PG_FUNCTION_ARGS); extern Datum gistcostestimate(PG_FUNCTION_ARGS); -extern bool get_restriction_variable(PlannerInfo *root, List *args, int varRelid, - VariableStatData *vardata, Node **other, - bool *varonleft); #endif /* SELFUNCS_H */ |