beliefer commented on code in PR #36330:
URL: https://github.com/apache/spark/pull/36330#discussion_r877653817
##########
sql/catalyst/src/main/java/org/apache/spark/sql/connector/util/V2ExpressionSQLBuilder.java:
##########
@@ -228,4 +244,18 @@ protected String visitSQLFunction(String funcName,
String[] inputs) {
protected String visitUnexpectedExpr(Expression expr) throws
IllegalArgumentException {
throw new IllegalArgumentException("Unexpected V2 expression: " + expr);
}
+
+ protected String visitOverlay(String[] inputs) {
+ throw new UnsupportedOperationException("Function: OVERLAY does not
support ");
Review Comment:
@chenzhx The default just used to display. It should return `OVERLAY` syntax.
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