uros-db commented on code in PR #54114:
URL: https://github.com/apache/spark/pull/54114#discussion_r2763850916
##########
sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/util/geo/GeometryModel.java:
##########
@@ -176,4 +176,50 @@ GeometryCollection asGeometryCollection() {
throw new ClassCastException(
"Cannot cast " + getClass().getSimpleName() + " to GeometryCollection");
}
+
+ /**
+ * Appends dimension suffix (Z, M, or ZM) to the WKT type name.
+ */
+ protected void appendDimensionSuffix(StringBuilder sb) {
+ if (hasZ && hasM) {
+ sb.append(" ZM");
+ } else if (hasZ) {
+ sb.append(" Z");
+ } else if (hasM) {
+ sb.append(" M");
+ }
+ }
+
+ /**
+ * Appends the WKT (Well-Known Text) representation of this geometry to the
given StringBuilder.
+ */
+ protected void toWkt(StringBuilder sb) {
+ sb.append(typeId.getWktName());
Review Comment:
Let's continue the discussion in
https://github.com/apache/spark/pull/54114#discussion_r2761587747, and I'll
make sure to follow up accordingly if needed. The repeating theme here is that
I tend to lean towards minimizing the number of append calls per run.
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