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7388c5f161
9 changed files with 51 additions and 16 deletions
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@ -31,3 +31,16 @@ drop table t1;
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explain select 1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
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create table t1 (a int not null);
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explain select count(*) from t1;
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Comment
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Select tables optimized away
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insert into t1 values(1);
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explain select count(*) from t1;
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Comment
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Select tables optimized away
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insert into t1 values(1);
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explain select count(*) from t1;
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Comment
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Select tables optimized away
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drop table t1;
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