Usually, coordinate values are stored in numeric columns (float, decimal, or even integer), and the specific type will not affect the code presented here.
通常,坐标值存储在数字列中(浮点、小数,甚至是整数),具体的类型并不影响这里给出的代码。
Usually, coordinate values are stored in numeric columns (float, decimal, or even integer), and the specific type will not affect the code presented here.
通常,坐标值存储在数字列中(浮点、小数,甚至是整数),具体的类型并不影响这里给出的代码。
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