add description

apache · Oct 10, 2024 · dce9972 · dce9972
1 parent 43d4bb7
commit dce9972
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/...sform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/EltFunction.java b/...sform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/EltFunction.java
@@ -28,6 +28,13 @@
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * EltFunction -> elt(index, expr[, exprs]*)
+ * description:
+ * - Returns the index-th expression.
+ * - index must be an integer between 1 and the number of expressions.
+ * - Returns NULL if index is NULL or out of range.
+ */
 @TransformFunction(names = {"elt"})
 public class EltFunction implements ValueParser {