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Free unused JOINs early even if using subqueries.

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sql/sql_select.cc:
  According to the conclusion made in the previous patch, we can widen
  the range of cases when JOINs are fully freed early, and include 
  subqueries to it.
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unknown 2005-06-25 00:27:40 +04:00
parent 024d232af5
commit f6edb3f5c2
1 changed files with 1 additions and 2 deletions
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sql/sql_select.cc
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@ -5902,8 +5902,7 @@ void JOIN::join_free(bool full)
Optimization: if not EXPLAIN and we are done with the JOIN,
free all tables.
*/
full= full || (!select_lex->uncacheable && !thd->lex->subqueries &&
!thd->lex->describe);
full= full || (!select_lex->uncacheable && !thd->lex->describe);
cleanup(full);