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13 lines
772 B
Text
13 lines
772 B
Text
select timestampdiff(microsecond,'2000-01-01 00:00:00','2001-01-01 00:00:00.123456');
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timestampdiff(microsecond,'2000-01-01 00:00:00','2001-01-01 00:00:00.123456')
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31622400123456
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explain extended select timestampdiff(microsecond,'2000-01-01 00:00:00','2001-01-01 00:00:00.123456');
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select timestampdiff(MICROSECOND,'2000-01-01 00:00:00','2001-01-01 00:00:00.123456') AS `timestampdiff(microsecond,'2000-01-01 00:00:00','2001-01-01 00:00:00.123456')`
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create view v1 as select timestampdiff(microsecond,'2000-01-01 00:00:00','2001-01-01 00:00:00.123456');
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select * from v1;
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Name_exp_1
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31622400123456
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drop view v1;
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