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获取postgresql字段信息

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.relname = 'mc_log_app' and a.attrelid = c.oid and a.attnum>0

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