SELECT col_description(a.attrelid,a.attnum) as comment,format_type(a.atttypid,a.atttypmod) as type,a.attname as name, a.attnotnull as notnull FROM pg_class as c,pg_attribute as a where c.r
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2015-08-19 09:43:10
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添加关键字 timestamp select * from track where create_time > timestamp '2021-08-17 11:41:09'; ...
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2021-08-17 17:00:00
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无拼接时： SELECT scan_time + '5 day' FROM tbl_temp_record SELECT scan_time + '-5 day' FROM tbl_temp_record 拼接字段时： SELECT scan_time + 5 || ' day' FROM tbl_
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2019-07-29 15:12:00
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