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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2000-01-22 23:50:30 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2000-01-22 23:50:30 +0000 |
| commit | 71ed7eb4941ddb32700a51a8b8b3403eceeca4a9 (patch) | |
| tree | e2452e2e308d6066c2c7e255eab5332cfcb4baa8 /src/include/optimizer/paths.h | |
| parent | 78845177bb8839a2a582b92de2b46ce7d3f16df4 (diff) | |
Revise handling of index-type-specific indexscan cost estimation, per
pghackers discussion of 5-Jan-2000. The amopselect and amopnpages
estimators are gone, and in their place is a per-AM amcostestimate
procedure (linked to from pg_am, not pg_amop).
Diffstat (limited to 'src/include/optimizer/paths.h')
| -rw-r--r-- | src/include/optimizer/paths.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/include/optimizer/paths.h b/src/include/optimizer/paths.h index a3f6bad36be..1556941c4b9 100644 --- a/src/include/optimizer/paths.h +++ b/src/include/optimizer/paths.h @@ -7,7 +7,7 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: paths.h,v 1.37 2000/01/09 00:26:47 tgl Exp $ + * $Id: paths.h,v 1.38 2000/01/22 23:50:27 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -16,9 +16,16 @@ #include "nodes/relation.h" +/* default GEQO threshold (default value for geqo_rels) */ +#define GEQO_RELS 11 + + /* * allpaths.c */ +extern bool enable_geqo; +extern int geqo_rels; + extern RelOptInfo *make_one_rel(Query *root, List *rels); /* |