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Bug#12329653 - EXPLAIN, UNION, PREPARED STATEMENT, CRASH, SQL_FULL_GROUP_BY

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The query was re-written *after* we had tagged it with NON_AGG_FIELD_USED.
Remove the flag before continuing.


mysql-test/r/explain.result:
  Update test case for Bug#48295.
mysql-test/r/subselect.result:
  New test case.
mysql-test/t/explain.test:
  Update test case for Bug#48295.
mysql-test/t/subselect.test:
  New test case.
sql/item.cc:
  Use accessor functions for non_agg_field_used/agg_func_used.
sql/item_subselect.cc:
  Remove non_agg_field_used when we rewrite query '1 < some (...)' => '1 < max(...)'
sql/item_sum.cc:
  Use accessor functions for non_agg_field_used/agg_func_used.
sql/mysql_priv.h:
  Remove unused #defines.
sql/sql_lex.cc:
  Initialize new member variables.
sql/sql_lex.h:
  Replace full_group_by_flag with two boolean flags,
  and itroduce accessors for manipulating them.
sql/sql_select.cc:
  Use accessor functions for non_agg_field_used/agg_func_used.
This commit is contained in:
Tor Didriksen
2011-05-04 16:18:21 +02:00
parent 3b52208fe1
commit 1cf483aa58
11 changed files with 110 additions and 38 deletions
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12
sql/sql_select.cc
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@@ -391,19 +391,18 @@ inline int setup_without_group(THD *thd, Item **ref_pointer_array,
int res;
nesting_map save_allow_sum_func=thd->lex->allow_sum_func ;
/*
Need to save the value, so we can turn off only the new NON_AGG_FIELD
Need to save the value, so we can turn off only any new non_agg_field_used
additions coming from the WHERE
*/
uint8 saved_flag= thd->lex->current_select->full_group_by_flag;
const bool saved_non_agg_field_used=
thd->lex->current_select->non_agg_field_used();
DBUG_ENTER("setup_without_group");
thd->lex->allow_sum_func&= ~(1 << thd->lex->current_select->nest_level);
res= setup_conds(thd, tables, leaves, conds);
/* it's not wrong to have non-aggregated columns in a WHERE */
if (thd->variables.sql_mode & MODE_ONLY_FULL_GROUP_BY)
thd->lex->current_select->full_group_by_flag= saved_flag |
(thd->lex->current_select->full_group_by_flag & ~NON_AGG_FIELD_USED);
thd->lex->current_select->set_non_agg_field_used(saved_non_agg_field_used);
thd->lex->allow_sum_func|= 1 << thd->lex->current_select->nest_level;
res= res || setup_order(thd, ref_pointer_array, tables, fields, all_fields,
@@ -593,7 +592,8 @@ JOIN::prepare(Item ***rref_pointer_array,
aggregate functions with implicit grouping (there is no GROUP BY).
*/
if (thd->variables.sql_mode & MODE_ONLY_FULL_GROUP_BY && !group_list &&
select_lex->full_group_by_flag == (NON_AGG_FIELD_USED | SUM_FUNC_USED))
select_lex->non_agg_field_used() &&
select_lex->agg_func_used())
{
my_message(ER_MIX_OF_GROUP_FUNC_AND_FIELDS,
ER(ER_MIX_OF_GROUP_FUNC_AND_FIELDS), MYF(0));