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MDEV-4257 Assertion `!table || (!table->read_set || bitmap_is_set(table->read_set, field_index))' fails on FROM subquery with fulltext search, derived_merge=on

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remove emtpty Item_func_match::update_used_tables() method
This commit is contained in:
Sergei Golubchik 2013-07-05 16:02:02 +02:00
parent 78cc6db44a
commit 782d86af44
3 changed files with 12 additions and 1 deletions
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6
mysql-test/r/fulltext_derived_4257.result Normal file
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@ -0,0 +1,6 @@
set optimizer_switch = 'derived_merge=on';
create table t1 (c1 char(8), c2 char(8)) engine=myisam;
insert into t1 values ('test1','test2'),('test3','test4');
select * from (select c1 from t1 where match (c2) against ('hello' in boolean mode)) as alias;
c1
drop table t1;

6
mysql-test/t/fulltext_derived_4257.test Normal file
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@ -0,0 +1,6 @@
set optimizer_switch = 'derived_merge=on';
create table t1 (c1 char(8), c2 char(8)) engine=myisam;
insert into t1 values ('test1','test2'),('test3','test4');
select * from (select c1 from t1 where match (c2) against ('hello' in boolean mode)) as alias;
drop table t1;

1
sql/item_func.h
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@ -1704,7 +1704,6 @@ public:
bool is_expensive_processor(uchar *arg) { return TRUE; }
enum Functype functype() const { return FT_FUNC; }
const char *func_name() const { return "match"; }
void update_used_tables() {}
table_map not_null_tables() const { return 0; }
bool fix_fields(THD *thd, Item **ref);
bool eq(const Item *, bool binary_cmp) const;