SQL 查询
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SELECT A.attnum, ( SELECT description FROM pg_catalog.pg_description WHERE objoid = A.attrelid AND objsubid = A.attnum ) AS descript, A.attname, ( select typname from pg_type where oid = A.atttypid) AS type, A.atttypmod AS data_type FROM pg_catalog.pg_attribute A WHERE 1 = 1 AND A.attrelid = ( SELECT oid FROM pg_class WHERE relname = '表名称' ) AND A.attnum > 0 AND NOT A.attisdropped ORDER BY A.attnum; |
效果如图
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通过结构查询的方式学会了。