morrySnow commented on code in PR #44923:
URL: https://github.com/apache/doris/pull/44923#discussion_r1868676626
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/ArrayContains.java:
##########
@@ -71,6 +71,15 @@ public <R, C> R accept(ExpressionVisitor<R, C> visitor, C
context) {
@Override
public List<FunctionSignature> getSignatures() {
+ if (getArgument(0).getDataType().isArrayType()
+ &&
+ ((ArrayType) getArgument(0).getDataType()).getItemType()
+
.isSameTypeForComplexTypeParam(getArgument(1).getDataType())) {
+ // return least common type
+ return ImmutableList.of(
+ FunctionSignature.ret(BooleanType.INSTANCE)
+ .args(ArrayType.of(new AnyDataType(0)), new
AnyDataType(0)));
Review Comment:
could use another static field to avoid generate new object each time
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