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authorIgor Babaev <igor@askmonty.org>2010-12-07 12:14:28 -0800
committerIgor Babaev <igor@askmonty.org>2010-12-07 12:14:28 -0800
commitc44c9207f05d06f8dd59bb23b6265a645b9e1102 (patch)
tree0f156e53114447ffdcee287b7badd616f186071c /mysql-test/include/index_merge1.inc
parent1b9e0feb54a91341c1e111b0a6a30d90222e2b67 (diff)
downloadmariadb-git-c44c9207f05d06f8dd59bb23b6265a645b9e1102.tar.gz
Fixed LP bug #685952.
When ORing two AND-OR formulas the range optimizer could miss a conjunct in one of AND-OR formulas in the result. If the index merge union plan to access a table is formed by this formula that, in general, is not inferred from the original where/on condition,the query could return an incorrect result set.
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