四、mysql操作

CREATE TABLE IF NOT EXISTS table_json (id BIGINT auto_increment,json JSON,PRIMARY KEY(id));

ALTER TABLE table_json add COLUMN name VARCHAR(128)  GENERATED ALWAYS AS (JSON_EXTRACT(json, "$.name")) virtual;
ALTER TABLE table_json add COLUMN name VARCHAR(128)  GENERATED ALWAYS AS (JSON_EXTRACT(json, "$.name")) stored;
ALTER TABLE table_json ADD FULLTEXT INDEX idx_fulltext_name(name_store)
ALTER TABLE table_json ADD INDEX name(name); 
ALTER TABLE table_json DROP INDEX name; 
CREATE TABLE IF NOT EXISTS table_json (id BIGINT auto_increment,json JSON,name VARCHAR(128) GENERATED ALWAYS AS (json->"$.name") virtual,PRIMARY KEY(id),INDEX name_index(name));

SELECT JSON_EXTRACT(json, "$.name") from table_json;
SELECT name FROM table_json;