云数据库 GAUSSDB-几何类型转换函数:polygon(box)

时间:2025-06-03 09:32:39

polygon(box)

描述:矩形转换成4点多边形。

返回类型:polygon

示例:

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gaussdb=# SELECT polygon(box '((0,0),(1,1))') AS RESULT;
          result           
---------------------------
 ((0,0),(0,1),(1,1),(1,0))
(1 row)
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