mysql> CREATE TABLE places ( -> pk INT PRIMARY KEY, -> position POINT NOT NULL SRID 4326, -> name VARCHAR(200) -> ); Query OK, 0 rows affected (0,00 sec) 1. 2. 3. 4. 5. 6. 7. 如果我们试图在不同的SRID中插入一个几何体,会得到一个错误: mysql> INSERT INTO places VALUES (...