表rabbits数据如下： id info 1 {"name":"Henry", "food":["lettuce","carrots"]} 2 {"name":"Herald","food":["carrots","zucchini"]} 3 {"name":"Helen", "food":["lettuce","cheese"]} 检查food数组是否包含某字符串： 注意引号，PGSQL里JSONB中的元素都是字符串，如：boolean: 'true', string: '"hello"', integer: …