krishnarb3 commented on code in PR #624:
URL: https://github.com/apache/incubator-sedona/pull/624#discussion_r858302949
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sql/src/main/scala/org/apache/spark/sql/sedona_sql/expressions/Functions.scala:
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@@ -1782,3 +1782,26 @@ case class ST_XMin(inputExpressions: Seq[Expression])
copy(inputExpressions = newChildren)
}
}
+
+
+/**
+ * Returns the areal geometry formed by the constituent linework of the input
geometry assuming assumes all inner geometries represent holes
+ *
+ * @param inputExpressions
+ */
+case class ST_BuildArea(inputExpressions: Seq[Expression])
+ extends UnaryGeometryExpression with CodegenFallback {
+ assert(inputExpressions.length == 1)
+
+ override protected def nullSafeEval(geometry: Geometry): Any = {
Review Comment:
Have updated the function and added null checks
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