row_security_policy_hook_restrictive

中文定义与说明

row_security_policy_hook_restrictive 是在 src/include/rewrite/rowsecurity.h 中声明的核心扩展钩子。下方保留精确接口与调用位置。

以下中文为本站依据所列 PostgreSQL 源码注释编译的说明。

接口声明

typedef List *(*row_security_policy_hook_type) (CmdType cmdtype, Relation relation);
extern PGDLLIMPORT row_security_policy_hook_type row_security_policy_hook_restrictive;

调用位置

• src/backend/rewrite/rowsecurity.c:622

核心调用上下文：src/backend/rewrite/rowsecurity.c:616–630

	 * These are simply appended to the lists of internal policies, if they
	 * apply to the specified role.
	 */
	if (row_security_policy_hook_restrictive)
	{
		List	   *hook_policies =
			(*row_security_policy_hook_restrictive) (cmd, relation);

		/*
		 * As with built-in restrictive policies, we sort any hook-provided
		 * restrictive policies by name also.  Note that we also intentionally
		 * always check all built-in restrictive policies, in name order,
		 * before checking restrictive policies added by hooks, in name order.
		 */
		sort_policies_by_name(hook_policies);