null_key.test, null_key.result:
Made the test case for bug #12144 independent on other tests.
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dbec0c6e95
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@ -404,14 +404,7 @@ id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 4
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1 SIMPLE t2 ref idx idx 5 test.t1.a 1
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1 SIMPLE t3 ref idx idx 5 test.t2.b 1 Using index
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SHOW STATUS LIKE "handler_read%";
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Variable_name Value
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Handler_read_first 25
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Handler_read_key 63
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Handler_read_next 25979
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Handler_read_prev 0
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Handler_read_rnd 0
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Handler_read_rnd_next 147
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FLUSH STATUS ;
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 LEFT JOIN t2 ON t1.a=t2.a
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LEFT JOIN t3 ON t2.b=t3.b;
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a a b b
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@ -421,12 +414,12 @@ a a b b
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4 NULL NULL NULL
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SHOW STATUS LIKE "handler_read%";
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Variable_name Value
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Handler_read_first 25
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Handler_read_key 69
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Handler_read_next 25981
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Handler_read_first 0
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Handler_read_key 6
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Handler_read_next 2
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Handler_read_prev 0
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Handler_read_rnd 0
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Handler_read_rnd_next 152
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Handler_read_rnd_next 5
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SELECT FOUND_ROWS();
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FOUND_ROWS()
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4
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@ -230,14 +230,10 @@ SELECT COUNT(*) FROM t3;
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EXPLAIN SELECT SQL_CALC_FOUND_ROWS * FROM t1 LEFT JOIN t2 ON t1.a=t2.a
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LEFT JOIN t3 ON t2.b=t3.b;
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SHOW STATUS LIKE "handler_read%";
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FLUSH STATUS ;
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 LEFT JOIN t2 ON t1.a=t2.a
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LEFT JOIN t3 ON t2.b=t3.b;
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SHOW STATUS LIKE "handler_read%";
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SELECT FOUND_ROWS();
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DROP TABLE t1,t2,t3,t4;
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