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authorunknown <bar@mysql.com>2004-10-19 11:45:33 +0500
committerunknown <bar@mysql.com>2004-10-19 11:45:33 +0500
commitad8865cbd7dd4eda775a7abbb7ecaec0b230cfc1 (patch)
tree2fa283eb0a7eaebdac20eab0c5af258d31091e3e /sql/sql_union.cc
parent234a8ec06113e3b7533c9302a8a1fcbbb18e2fa4 (diff)
downloadmariadb-git-ad8865cbd7dd4eda775a7abbb7ecaec0b230cfc1.tar.gz
sql_union.cc:
Check DERIVATION_NONE only for UNIONS. sql/sql_union.cc: Check DERIVATION_NONE only for UNIONS.
Diffstat (limited to 'sql/sql_union.cc')
-rw-r--r--sql/sql_union.cc11
1 files changed, 6 insertions, 5 deletions
diff --git a/sql/sql_union.cc b/sql/sql_union.cc
index 6b5d27270c9..fc2d2a3a5e4 100644
--- a/sql/sql_union.cc
+++ b/sql/sql_union.cc
@@ -264,9 +264,14 @@ int st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
}
}
+ if (first_select->next_select())
{
+
+ // it is not single select
+
/*
- Check that it was possible to aggregate all collations together.
+ Check that it was possible to aggregate
+ all collations together for UNION.
*/
List_iterator_fast<Item> tp(types);
Item *type;
@@ -279,11 +284,7 @@ int st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
goto err;
}
}
- }
- // it is not single select
- if (first_select->next_select())
- {
union_result->tmp_table_param.field_count= types.elements;
if (!(table= create_tmp_table(thd_arg,
&union_result->tmp_table_param, types,