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Semi-join optimizations code cleanup part 2:

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- Make EXPLAIN display "Start temporary" at the start of the fanout (it used to display
  at the first table whose rowid gets into temp. table which is not that useful for
  the user)
- Updated test results (all checked)
This commit is contained in:
Sergey Petrunya 2011-11-25 05:56:58 +04:00
commit f84dbf4b20
17 changed files with 263 additions and 249 deletions
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3
sql/opt_subselect.h
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@ -358,8 +358,7 @@ public:
ENGINE_COLUMNDEF *start_recinfo;
ENGINE_COLUMNDEF *recinfo;
/* Pointer to next table (next->start_idx > this->end_idx) */
SJ_TMP_TABLE *next;
SJ_TMP_TABLE *next_flush_table;
};
int setup_semijoin_dups_elimination(JOIN *join, ulonglong options,