diff options
Diffstat (limited to 'src/include/optimizer/cost.h')
| -rw-r--r-- | src/include/optimizer/cost.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/include/optimizer/cost.h b/src/include/optimizer/cost.h index 39ece8f4ff7..27600fa1acc 100644 --- a/src/include/optimizer/cost.h +++ b/src/include/optimizer/cost.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/optimizer/cost.h,v 1.95 2009/01/01 17:24:00 momjian Exp $ + * $PostgreSQL: pgsql/src/include/optimizer/cost.h,v 1.96 2009/01/07 22:40:49 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -29,6 +29,13 @@ #define DEFAULT_EFFECTIVE_CACHE_SIZE 16384 /* measured in pages */ +typedef enum +{ + CONSTRAINT_EXCLUSION_OFF, /* do not use c_e */ + CONSTRAINT_EXCLUSION_ON, /* apply c_e to all rels */ + CONSTRAINT_EXCLUSION_PARTITION /* apply c_e to otherrels only */ +} ConstraintExclusionType; + /* * prototypes for costsize.c @@ -52,7 +59,7 @@ extern bool enable_hashagg; extern bool enable_nestloop; extern bool enable_mergejoin; extern bool enable_hashjoin; -extern bool constraint_exclusion; +extern int constraint_exclusion; extern double clamp_row_est(double nrows); extern double index_pages_fetched(double tuples_fetched, BlockNumber pages, |