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Merge of fix for Bug#11765810.

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This commit is contained in:
Martin Hansson
2012-02-07 17:32:04 +01:00
parent 19220d0c7b 34cd261aae
commit 73bd3713af
3 changed files with 115 additions and 10 deletions
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10
sql/sql_select.cc
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@ -9082,11 +9082,9 @@ simplify_joins(JOIN *join, List<TABLE_LIST> *join_list, COND *conds, bool top)
}
/* Flatten nested joins that can be flattened. */
TABLE_LIST *right_neighbor= NULL;
li.rewind();
while ((table= li++))
{
bool fix_name_res= FALSE;
nested_join= table->nested_join;
if (nested_join && !table->on_expr)
{
@ -9098,15 +9096,7 @@ simplify_joins(JOIN *join, List<TABLE_LIST> *join_list, COND *conds, bool top)
tbl->join_list= table->join_list;
}
li.replace(nested_join->join_list);
/* Need to update the name resolution table chain when flattening joins */
fix_name_res= TRUE;
table= *li.ref();
}
if (fix_name_res)
table->next_name_resolution_table= right_neighbor ?
right_neighbor->first_leaf_for_name_resolution() :
NULL;
right_neighbor= table;
}
DBUG_RETURN(conds);
}