postgresql数据库如何查看function?
SELECT
pg_proc.proname AS "函数名称",
pg_type.typname AS "返回值数据类型",
pg_proc.pronargs AS "参数个数"
FROM
pg_proc
JOIN pg_type
ON (pg_proc.prorettype = pg_type.oid)
WHERE
pg_type.typname != 'void'
AND pronamespace = (SELECT pg_namespace.oid FROM pg_namespace WHERE nspname = 'public');
SELECT pg_proc.proname AS "函数名称", pg_type.typname AS "返回值数据类型", pg_proc.pronargs AS "参数个数"FROM pg_proc JOIN pg_type ON (pg_proc.prorettype = pg_type.oid)WHERE pg_type.typname != 'void' AND pronamespace = (SELECT pg_namespace.oid FROM pg_namespace WHERE nspname = 'public'); |
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