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The fix for

Browse source 
Bug#55744 GROUP_CONCAT + CASE + ucs return garbage
revealed problems in how character set aggregation
code works with prepared statements.

This patch fixes (hopefully) the problems.
This commit is contained in:
Alexander Barkov 2010-10-08 18:06:31 +04:00
parent c192be206a
commit 3fdcf2060d
1 changed files with 1 additions and 2 deletions
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3
sql/item.cc
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@ -1783,8 +1783,7 @@ bool agg_item_set_converter(DTCollation &coll, const char *fname,
In case we're in statement prepare, create conversion item
in its memory: it will be reused on each execute.
*/
arena= thd->is_stmt_prepare() ? thd->activate_stmt_arena_if_needed(&backup)
: NULL;
arena= thd->activate_stmt_arena_if_needed(&backup);
for (i= 0, arg= args; i < nargs; i++, arg+= item_sep)
{