morrySnow commented on code in PR #50367:
URL: https://github.com/apache/doris/pull/50367#discussion_r2057298561
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/RegexpExtractAll.java:
##########
@@ -36,12 +35,13 @@
* ScalarFunction 'regexp_extract_all'. This class is generated by
GenerateFunction.
*/
public class RegexpExtractAll extends ScalarFunction
- implements BinaryExpression, ExplicitlyCastableSignature,
AlwaysNullable, PropagateNullLiteral {
+ implements ExplicitlyCastableSignature, PropagateNullable {
public static final List<FunctionSignature> SIGNATURES = ImmutableList.of(
- FunctionSignature.ret(VarcharType.SYSTEM_DEFAULT)
+ FunctionSignature.ret(ArrayType.of(VarcharType.SYSTEM_DEFAULT,
false))
Review Comment:
be's array's contains null should always be true
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