14 lines
612 B
Plaintext
14 lines
612 B
Plaintext
create table t1 (id1 bigint, id2 bigint, c1 bigint, c2 bigint, c3 bigint, c4 bigint, c5 bigint, c6 bigint, c7 bigint, primary key (id1, id2), index i(c1, c2));
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analyze table t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status OK
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select count(*) from t1;
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count(*)
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10000
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explain select c1 from t1 where c1 > 5 limit 10;
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id select_type table partitions type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 NULL range i i 9 NULL # 100.00 Using where; Using index
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Warnings:
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Note 1003 /* select#1 */ select `test`.`t1`.`c1` AS `c1` from `test`.`t1` where (`test`.`t1`.`c1` > 5) limit 10
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drop table t1;
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