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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2004-01-05 05:07:36 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2004-01-05 05:07:36 +0000 |
| commit | 9091e8d1b233faf9994518fda7fcc171fddb53ac (patch) | |
| tree | 572b200768bbfba3cfc121f1b4c12c79ab650d96 /src/backend/nodes/outfuncs.c | |
| parent | bf488a6842ef2bf43ab89337c8970971e84951da (diff) | |
| download | postgresql-9091e8d1b233faf9994518fda7fcc171fddb53ac.tar.gz | |
Add the ability to extract OR indexscan conditions from OR-of-AND
join conditions in which each OR subclause includes a constraint on
the same relation. This implements the other useful side-effect of
conversion to CNF format, without its unpleasant side-effects. As
per pghackers discussion of a few weeks ago.
Diffstat (limited to 'src/backend/nodes/outfuncs.c')
| -rw-r--r-- | src/backend/nodes/outfuncs.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/backend/nodes/outfuncs.c b/src/backend/nodes/outfuncs.c index 3b8613fd19..e91e8e0d17 100644 --- a/src/backend/nodes/outfuncs.c +++ b/src/backend/nodes/outfuncs.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.225 2004/01/04 03:51:52 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.226 2004/01/05 05:07:35 tgl Exp $ * * NOTES * Every node type that can appear in stored rules' parsetrees *must* @@ -971,7 +971,7 @@ _outIndexPath(StringInfo str, IndexPath *node) WRITE_NODE_FIELD(indexqual); WRITE_NODE_FIELD(indexjoinclauses); WRITE_ENUM_FIELD(indexscandir, ScanDirection); - WRITE_FLOAT_FIELD(rows, "%.2f"); + WRITE_FLOAT_FIELD(rows, "%.0f"); } static void @@ -1073,8 +1073,9 @@ _outRestrictInfo(StringInfo str, RestrictInfo *node) /* NB: this isn't a complete set of fields */ WRITE_NODE_FIELD(clause); - WRITE_BOOL_FIELD(ispusheddown); - WRITE_BOOL_FIELD(canjoin); + WRITE_BOOL_FIELD(is_pushed_down); + WRITE_BOOL_FIELD(valid_everywhere); + WRITE_BOOL_FIELD(can_join); WRITE_BITMAPSET_FIELD(clause_relids); WRITE_BITMAPSET_FIELD(left_relids); WRITE_BITMAPSET_FIELD(right_relids); |