LemonLiTree opened a new pull request, #18138:
URL: https://github.com/apache/doris/pull/18138
add ST_Area function
Calculate the area of the area on the earth's sphere. Currently, the
parameter geo supports ST_Circle and ST_Polygon.
mysql> SELECT ST_Area_Square_Meters(ST_Circle(0, 0, 1));
+-------------------------------------------------+
| st_area_square_meters(st_circle(0.0, 0.0, 1.0)) |
+-------------------------------------------------+
| 3.1415926535897869 |
+-------------------------------------------------+
1 row in set (0.04 sec)
mysql> SELECT ST_Area_Square_Km(ST_Polygon("POLYGON ((0 0, 1 0, 1 1, 0 1, 0
0))"));
+----------------------------------------------------------------------+
| st_area_square_km(st_polygon('POLYGON ((0 0, 1 0, 1 1, 0 1, 0 0))')) |
+----------------------------------------------------------------------+
| 12364.036567076409 |
+----------------------------------------------------------------------+
1 row in set (0.01 sec)
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