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authorIgor Babaev <igor@askmonty.org>2012-09-01 14:21:59 -0700
committerIgor Babaev <igor@askmonty.org>2012-09-01 14:21:59 -0700
commita6b88f1431238152643e41979ce10b9bbdac2a82 (patch)
tree42482ef66f3c59b255d299fc58ace8c1b0c518ea /mysys/mf_same.c
parent5a86a61219826aadf8d08cbc447fe438f2bf50c3 (diff)
downloadmariadb-git-a6b88f1431238152643e41979ce10b9bbdac2a82.tar.gz
MDEV-415: Back-port of the WL task #1393 from the mysql-5.6 code line.
The task adds a more efficient handling of the queries with ORDER BY order LIMIT n, such that n is small enough and no indexes are used for order.
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