diff options
Diffstat (limited to 'src/backend/optimizer/path/clausesel.c')
| -rw-r--r-- | src/backend/optimizer/path/clausesel.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/backend/optimizer/path/clausesel.c b/src/backend/optimizer/path/clausesel.c index cafc01fc33f..36d8f229f1b 100644 --- a/src/backend/optimizer/path/clausesel.c +++ b/src/backend/optimizer/path/clausesel.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/path/clausesel.c,v 1.45 2001/06/05 05:26:04 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/path/clausesel.c,v 1.46 2001/06/25 21:11:43 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -24,6 +24,7 @@ #include "parser/parsetree.h" #include "utils/fmgroids.h" #include "utils/lsyscache.h" +#include "utils/selfuncs.h" /* note that pg_type.h hardwires size of bool as 1 ... duplicate it */ @@ -509,6 +510,16 @@ clause_selectivity(Query *root, */ s1 = (Selectivity) 0.5; } + else if (IsA(clause, NullTest)) + { + /* Use node specific selectivity calculation function */ + s1 = nulltestsel(root, (NullTest *) clause, varRelid); + } + else if (IsA(clause, BooleanTest)) + { + /* Use node specific selectivity calculation function */ + s1 = booltestsel(root, (BooleanTest *) clause, varRelid); + } else if (IsA(clause, RelabelType)) { /* Not sure this case is needed, but it can't hurt */ @@ -517,5 +528,9 @@ clause_selectivity(Query *root, varRelid); } +#ifdef SELECTIVITY_DEBUG + elog(NOTICE, "clause_selectivity: s1 %f", s1); +#endif /* SELECTIVITY_DEBUG */ + return s1; } |