map_entriesmap_entries map_entries 介绍 map_entries(map) - 返回给定映射中所有条目的无序数组。 Examples: > SELECT map_entries(map(1, 'a', 2, 'b')); [{"key":1,"value":"a"},{"key":2,"value":"b"}] Since: 3.0.0map_contains_keymap_filter