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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2002-03-01 06:01:20 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2002-03-01 06:01:20 +0000 |
| commit | 8f0a9e85b31e67a64604c19a061e91ad1c92b041 (patch) | |
| tree | d771f40b07f2f0f19401e6a0cc73adf436d26bb3 /src/backend/nodes/readfuncs.c | |
| parent | f8c109528cc6e7a6230b86e75374e0210db2ba56 (diff) | |
| download | postgresql-8f0a9e85b31e67a64604c19a061e91ad1c92b041.tar.gz postgresql-8f0a9e85b31e67a64604c19a061e91ad1c92b041.zip | |
Second thoughts dept: arrange to cache mergejoin scan selectivity
in RestrictInfo nodes, instead of recomputing on every use.
Diffstat (limited to 'src/backend/nodes/readfuncs.c')
| -rw-r--r-- | src/backend/nodes/readfuncs.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/backend/nodes/readfuncs.c b/src/backend/nodes/readfuncs.c index 4414c032150..7cdd0c73c39 100644 --- a/src/backend/nodes/readfuncs.c +++ b/src/backend/nodes/readfuncs.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.114 2002/02/26 22:47:07 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.115 2002/03/01 06:01:18 tgl Exp $ * * NOTES * Most of the read functions for plan nodes are tested. (In fact, they @@ -1846,9 +1846,11 @@ _readRestrictInfo(void) local_node->eval_cost = -1; /* ditto for this_selec */ local_node->this_selec = -1; - /* ditto for cached pathkeys and bucketsize */ + /* ditto for cached pathkeys, selectivity, bucketsize */ local_node->left_pathkey = NIL; local_node->right_pathkey = NIL; + local_node->left_mergescansel = -1; + local_node->right_mergescansel = -1; local_node->left_bucketsize = -1; local_node->right_bucketsize = -1; |