pub fn plan_count(
schema_name: &str,
registry: &Registry,
filter: Option<&Value>,
ctx: Option<&Context>,
) -> Result<Value, String>Expand description
统计数量(对应 JS count):filter 为 nullish 时用 {}
R1:owner(read=creator) 场景下,count 必须注入 createdBy = ctx.userId,
否则非 admin 用户 count 会越权统计全表(E-08)。