liuyongvs commented on code in PR #15797:
URL: https://github.com/apache/flink/pull/15797#discussion_r1118543481
##########
flink-table/flink-table-common/src/main/java/org/apache/flink/table/functions/BuiltInFunctionDefinitions.java:
##########
@@ -130,6 +130,47 @@ ANY, and(logical(LogicalTypeRoot.BOOLEAN), LITERAL)
.runtimeClass("org.apache.flink.table.runtime.functions.scalar.IfNullFunction")
.build();
+ public static final BuiltInFunctionDefinition MAP_KEYS =
+ BuiltInFunctionDefinition.newBuilder()
+ .name("MAP_KEYS")
+ .kind(SCALAR)
+ .inputTypeStrategy(
+ sequence(
+ new String[] {"input"},
+ new ArgumentTypeStrategy[]
{logical(LogicalTypeRoot.MAP)}))
+
.outputTypeStrategy(nullableIfArgs(SpecificInputTypeStrategies.MAP_KEYS))
+
.runtimeClass("org.apache.flink.table.runtime.functions.scalar.MapKeysFunction")
+ .build();
+
+ public static final BuiltInFunctionDefinition MAP_VALUES =
+ BuiltInFunctionDefinition.newBuilder()
+ .name("MAP_VALUES")
+ .kind(SCALAR)
+ .inputTypeStrategy(
+ sequence(
+ new String[] {"input"},
+ new ArgumentTypeStrategy[]
{logical(LogicalTypeRoot.MAP)}))
+
.outputTypeStrategy(nullableIfArgs(SpecificInputTypeStrategies.MAP_VALUES))
+ .runtimeClass(
+
"org.apache.flink.table.runtime.functions.scalar.MapValuesFunction")
+ .build();
+
+ public static final BuiltInFunctionDefinition MAP_FROM_ARRAYS =
+ BuiltInFunctionDefinition.newBuilder()
+ .name("MAP_FROM_ARRAYS")
+ .kind(SCALAR)
+ .inputTypeStrategy(
+ sequence(
+ new String[] {"keysArray", "valuesArray"},
+ new ArgumentTypeStrategy[] {
+ logical(LogicalTypeRoot.ARRAY),
+ logical(LogicalTypeRoot.ARRAY)
+ }))
+
.outputTypeStrategy(nullableIfArgs(SpecificInputTypeStrategies.ARRAYS_FOR_MAP))
+ .runtimeClass(
Review Comment:
SpecificInputTypeStrategies.ARRAYS_FOR_MAP -> SpecificInputTypeStrategies.
MAP_FROM_ARRAYS
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
