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5.1 -> 5.2 merge

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Sergei Golubchik
2013-02-28 19:00:58 +01:00
parent 5138bf4238 027e34e13b
commit 5dec570d7c
115 changed files with 2396 additions and 1030 deletions
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7
sql/opt_range.cc
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@ -9490,6 +9490,13 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree)
else
goto next_index;
}
/*
This function is called on the precondition that the index is covering.
Therefore if the GROUP BY list contains more elements than the index,
these are duplicates. The GROUP BY list cannot be a prefix of the index.
*/
if (cur_part == end_part && tmp_group)
goto next_index;
}
/*
Check (GA2) if this is a DISTINCT query.