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Merge enabling materialization=on by default.

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2011-11-21 17:48:25 +02:00
parent 0693f4d916 f0d9908fc3
commit e9a6502f26
31 changed files with 342 additions and 225 deletions
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6
sql/mysql_priv.h
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@ -593,11 +593,6 @@ protected:
#define OPTIMIZER_SWITCH_LAST (1ULL << 26)
/* The following must be kept in sync with optimizer_switch_str in mysqld.cc */
/*
TODO: Materialization is off by default to mimic 5.1/5.2 behavior.
Once cost based choice between materialization and in-to-exists should be
enabled by default, add OPTIMIZER_SWITCH_MATERIALIZATION
*/
#define OPTIMIZER_SWITCH_DEFAULT (OPTIMIZER_SWITCH_INDEX_MERGE | \
OPTIMIZER_SWITCH_INDEX_MERGE_UNION | \
OPTIMIZER_SWITCH_INDEX_MERGE_SORT_UNION | \
@ -605,6 +600,7 @@ enabled by default, add OPTIMIZER_SWITCH_MATERIALIZATION
OPTIMIZER_SWITCH_INDEX_COND_PUSHDOWN | \
OPTIMIZER_SWITCH_TABLE_ELIMINATION | \
OPTIMIZER_SWITCH_IN_TO_EXISTS | \
OPTIMIZER_SWITCH_MATERIALIZATION | \
OPTIMIZER_SWITCH_PARTIAL_MATCH_ROWID_MERGE|\
OPTIMIZER_SWITCH_PARTIAL_MATCH_TABLE_SCAN|\
OPTIMIZER_SWITCH_JOIN_CACHE_INCREMENTAL | \