diff options
Diffstat (limited to 'mysql-test/r/heap.result')
| -rw-r--r-- | mysql-test/r/heap.result | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/mysql-test/r/heap.result b/mysql-test/r/heap.result index 7d929f50801..6c5ef8f3441 100644 --- a/mysql-test/r/heap.result +++ b/mysql-test/r/heap.result @@ -163,16 +163,10 @@ id select_type table type possible_keys key key_len ref rows Extra select * from t1 where btn like "q%"; btn alter table t1 add column new_col char(1) not null, add key (btn,new_col), drop key btn; -update t1 set new_col=btn; -Warnings: -Warning 1263 Data truncated for column 'new_col' at row 1 -Warning 1263 Data truncated for column 'new_col' at row 2 -Warning 1263 Data truncated for column 'new_col' at row 3 -Warning 1263 Data truncated for column 'new_col' at row 4 -Warning 1263 Data truncated for column 'new_col' at row 5 +update t1 set new_col=left(btn,1); explain select * from t1 where btn="a"; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL btn NULL NULL NULL 14 Using where +1 SIMPLE t1 ALL btn NULL NULL NULL 11 Using where explain select * from t1 where btn="a" and new_col="a"; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ref btn btn 11 const,const 10 Using where @@ -203,6 +197,20 @@ a b INSERT INTO t1 VALUES (1,3); ERROR 23000: Duplicate entry '3' for key 1 DROP TABLE t1; +CREATE TABLE t1 ( +a int default NULL, +key a (a) +) TYPE=HEAP; +INSERT INTO t1 VALUES (10), (10), (10); +EXPLAIN SELECT * FROM t1 WHERE a=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref a a 5 const 10 Using where +SELECT * FROM t1 WHERE a=10; +a +10 +10 +10 +DROP TABLE t1; CREATE TABLE t1 (a int not null, primary key(a)) type=heap; INSERT into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11); DELETE from t1 where a < 100; |