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Merge with 4.0.14
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@ -172,7 +172,7 @@ Warning 1263 Data truncated for column 'new_col' at row 4
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Warning 1263 Data truncated for column 'new_col' at row 5
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explain select * from t1 where btn="a";
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL btn NULL NULL NULL 14 Using where
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1 SIMPLE t1 ALL btn NULL NULL NULL 11 Using where
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explain select * from t1 where btn="a" and new_col="a";
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref btn btn 11 const,const 10 Using where
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@ -203,6 +203,20 @@ a b
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INSERT INTO t1 VALUES (1,3);
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ERROR 23000: Duplicate entry '3' for key 1
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DROP TABLE t1;
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CREATE TABLE t1 (
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a int default NULL,
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key a (a)
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) TYPE=HEAP;
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INSERT INTO t1 VALUES (10), (10), (10);
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EXPLAIN SELECT * FROM t1 WHERE a=10;
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table type possible_keys key key_len ref rows Extra
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t1 ref a a 5 const 10 Using where
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SELECT * FROM t1 WHERE a=10;
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a
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10
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10
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10
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DROP TABLE t1;
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CREATE TABLE t1 (a int not null, primary key(a)) type=heap;
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INSERT into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11);
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DELETE from t1 where a < 100;
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