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authorunknown <sanja@askmonty.org>2011-08-12 13:54:41 +0300
committerunknown <sanja@askmonty.org>2011-08-12 13:54:41 +0300
commit52e70226bccc005b88eca482bccdd91e63ed222b (patch)
treedeab65fd07a3b39cd8cabe66a2d58771e860868c /libservices
parentfede2ee7f154c44a6b3e4d97db8f81c9d8a66e57 (diff)
downloadmariadb-git-52e70226bccc005b88eca482bccdd91e63ed222b.tar.gz
Early check of subquery cache hit rate added to limit its performance impact in the worst case.
sql/sql_expression_cache.cc: Early check of subquery cache hit rate added to limit its performance impact in the worst case. Disabling cache moved to method. sql/sql_expression_cache.h: Disabling cache moved to method.
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