morrySnow commented on code in PR #39572:
URL: https://github.com/apache/doris/pull/39572#discussion_r1721607525
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/generator/ExplodeJsonArrayJson.java:
##########
@@ -35,7 +36,8 @@
*/
public class ExplodeJsonArrayJson extends TableGeneratingFunction implements
UnaryExpression, PropagateNullable {
public static final List<FunctionSignature> SIGNATURES = ImmutableList.of(
- FunctionSignature.ret(JsonType.INSTANCE).args(JsonType.INSTANCE)
+ FunctionSignature.ret(JsonType.INSTANCE).args(JsonType.INSTANCE),
+
FunctionSignature.ret(VarcharType.SYSTEM_DEFAULT).args(JsonType.INSTANCE)
Review Comment:
signature should not have same arg types but different return type
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