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Fix compile error: ‘cond_copy’ may be used uninitialized in this function.

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This commit is contained in:
Sergey Petrunya 2011-10-12 14:23:42 +04:00
commit 42eeb557a6
1 changed files with 3 additions and 2 deletions
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5
sql/sql_select.cc
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@ -19916,10 +19916,11 @@ static bool add_ref_to_table_cond(THD *thd, JOIN_TAB *join_tab)
cond->fix_fields(thd, &tmp_item);
DBUG_ASSERT(cond == tmp_item);
}
if (join_tab->select->pre_idx_push_select_cond)
cond_copy= cond->copy_andor_structure(thd);
if (join_tab->select)
{
UNINIT_VAR(cond_copy); // used when pre_idx_push_select_cond!=NULL
if (join_tab->select->pre_idx_push_select_cond)
cond_copy= cond->copy_andor_structure(thd);
if (join_tab->select->cond)
error=(int) cond->add(join_tab->select->cond);
join_tab->select->cond= cond;