MySQL · 最佳实践 · 如何索引JSON字段

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SELECT * FROM `players`;　　

　　
+----+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------+
　　
| id | player_and_games                                                                                                                                                                                           | names_virtual |
　　
+----+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------+
　　
|  1 | {"id": 1, "name": "Sally", "games_played": {"Puzzler": {"time": 7}, "Battlefield": {"rank": "Sergeant V", "level": 20, "weapon": "sniper rifle"}, "Crazy Tennis": {"won": 4, "lost": 1}}}                  | Sally         |
　　
|  2 | {"id": 2, "name": "Thom", "games_played": {"Puzzler": {"time": 25}, "Battlefield": {"rank": "Major General VIII", "level": 127, "weapon": "carbine"}, "Crazy Tennis": {"won": 10, "lost": 30}}}            | Thom          |
　　
|  3 | {"id": 3, "name": "Ali", "games_played": {"Puzzler": {"time": 12}, "Battlefield": {"rank": "First Sergeant II", "level": 37, "weapon": "machine gun"}, "Crazy Tennis": {"won": 30, "lost": 21}}}           | Ali           |
　　
|  4 | {"id": 4, "name": "Alfred", "games_played": {"Puzzler": {"time": 10}, "Battlefield": {"rank": "Chief Warrant Officer Five III", "level": 73, "weapon": "pistol"}, "Crazy Tennis": {"won": 47, "lost": 2}}} | Alfred        |
　　
|  5 | {"id": 5, "name": "Phil", "games_played": {"Puzzler": {"time": 7}, "Battlefield": {"rank": "Lt. Colonel III", "level": 98, "weapon": "assault rifle"}, "Crazy Tennis": {"won": 130, "lost": 75}}}          | Phil          |
　　
|  6 | {"id": 6, "name": "Henry", "games_played": {"Puzzler": {"time": 17}, "Battlefield": {"rank": "Captain II", "level": 87, "weapon": "assault rifle"}, "Crazy Tennis": {"won": 68, "lost": 149}}}             | Henry         |
　　
+----+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------+