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39 lines
1 KiB
Text
39 lines
1 KiB
Text
#
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# Range optimizer (and related) tests that need InnoDB.
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#
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drop table if exists t0, t1, t2;
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#
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# MDEV-6735: Range checked for each record used with key
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#
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create table t0(a int);
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insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
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create table t1(a int);
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insert into t1 select A.a + B.a* 10 + C.a * 100 + D.a * 1000
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from t0 A, t0 B, t0 C, t0 D;
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create table t2 (
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a int,
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b int,
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filler1 char(100),
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filler2 char(100),
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filler3 char(100),
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filler4 char(100),
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key(a),
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key(b)
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) engine=innodb;
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insert into t2
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select
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a,a,
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repeat('0123456789', 10),
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repeat('0123456789', 10),
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repeat('0123456789', 10),
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repeat('0123456789', 10)
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from t1;
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analyze table t2;
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Table Op Msg_type Msg_text
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test.t2 analyze status OK
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# The following must not use "Range checked for each record":
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explain select * from t0 left join t2 on t2.a <t0.a and t2.b between 50 and 250;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t0 ALL NULL NULL NULL NULL 10
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1 SIMPLE t2 range a,b b 5 NULL 201 Using where; Using join buffer (flat, BNL join)
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drop table t0,t1,t2;
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