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19 lines
824 B
Text
19 lines
824 B
Text
drop table if exists t1;
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SET @@global.slow_query_log = OFF;
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FLUSH SLOW LOGS;
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SET @@global.slow_query_log = ON;
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create table t1 (a int);
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INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
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select * from t1 where a<3;
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a
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0
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1
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2
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drop table t1;
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FLUSH SLOW LOGS;
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# explain: id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
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# explain: 1 INSERT t1 ALL NULL NULL NULL NULL NULL NULL 100.00 100.00 NULL
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# explain: id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
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# explain: 1 SIMPLE t1 ALL NULL NULL NULL NULL 10 10.00 100.00 30.00 Using where
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# explain: id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
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# explain: 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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