SELECT relname AS "tableName", obj_description ( oid ) AS "tableComment" FROM pg_class pc WHERE relkind = 'r' AND relname NOT LIKE'pg_%' AND relname NOT LIKE'sql_%' AND relchecks = 0 and pc.relname = #{tableName} ORDER BY relname SELECT 'pg' AS "dbType", pa.attname AS "columnName", pg_type.typname AS "columnType", pg_type.typname AS "dataType", col_description ( pa.attrelid, pa.attnum ) AS "comments", ( CASE pcon.contype WHEN 'p' THEN 'PRI' ELSE'' END ) AS "columnKey" FROM pg_class AS pc, pg_attribute AS pa INNER JOIN pg_type ON pg_type.oid = pa.atttypid LEFT JOIN pg_constraint pcon ON pa.attnum = pcon.conkey[1] AND pa.attrelid = pcon.conrelid WHERE pc.relname = #{ tableName } AND pa.attrelid = pc.oid AND pa.attnum > 0