caicancai commented on code in PR #3721:
URL: https://github.com/apache/calcite/pull/3721#discussion_r1518526301
##########
core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java:
##########
@@ -1458,14 +1508,14 @@ private static RelDataType
deriveTypeMapConcat(SqlOperatorBinding opBinding) {
@LibraryOperator(libraries = {SPARK})
public static final SqlFunction MAP_KEYS =
SqlBasicFunction.create(SqlKind.MAP_KEYS,
- ReturnTypes.TO_MAP_KEYS_NULLABLE,
+ SqlLibraryOperators::mapKeyReturnType,
OperandTypes.MAP);
/** The "MAP_VALUES(map)" function. */
@LibraryOperator(libraries = {SPARK})
public static final SqlFunction MAP_VALUES =
SqlBasicFunction.create(SqlKind.MAP_VALUES,
- ReturnTypes.TO_MAP_VALUES_NULLABLE,
Review Comment:
I have deleted
##########
core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java:
##########
@@ -1458,14 +1508,14 @@ private static RelDataType
deriveTypeMapConcat(SqlOperatorBinding opBinding) {
@LibraryOperator(libraries = {SPARK})
public static final SqlFunction MAP_KEYS =
SqlBasicFunction.create(SqlKind.MAP_KEYS,
- ReturnTypes.TO_MAP_KEYS_NULLABLE,
+ SqlLibraryOperators::mapKeyReturnType,
OperandTypes.MAP);
/** The "MAP_VALUES(map)" function. */
@LibraryOperator(libraries = {SPARK})
public static final SqlFunction MAP_VALUES =
SqlBasicFunction.create(SqlKind.MAP_VALUES,
- ReturnTypes.TO_MAP_VALUES_NULLABLE,
Review Comment:
I have deleted
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