shenjiayu17 commented on a change in pull request #4012:
URL: https://github.com/apache/carbondata/pull/4012#discussion_r533968484
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File path: geo/src/main/java/org/apache/carbondata/geo/GeoConstants.java
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@@ -26,4 +26,34 @@ private GeoConstants() {
// GeoHash type Spatial Index
public static final String GEOHASH = "geohash";
+
+ // Regular expression to parse input polygons for IN_POLYGON_LIST
+ public static final String POLYGON_REG_EXPRESSION = "(?<=POLYGON
\\(\\()(.*?)(?=(\\)\\)))";
Review comment:
we want to use the generic and fix input format, search some others
defination and decide it.
https://postgis.net/docs/ST_GeomFromText.html
https://stackoverflow.com/questions/8576228/geomfromtext-function-documentation
https://en.wikipedia.org/wiki/Well-known_text_representation_of_geometry#Geometric_objects
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