wuchong commented on a change in pull request #9316:
[FLINK-13529][table-planner-blink] Verify and correct agg function's semantic
for Blink planner
URL: https://github.com/apache/flink/pull/9316#discussion_r310386164
##########
File path:
flink-table/flink-table-planner-blink/src/main/java/org/apache/flink/table/planner/functions/sql/SqlListAggFunction.java
##########
@@ -27,27 +27,30 @@
import org.apache.calcite.sql.SqlKind;
import org.apache.calcite.sql.type.OperandTypes;
import org.apache.calcite.sql.type.ReturnTypes;
-import org.apache.calcite.sql.type.SqlTypeFamily;
import org.apache.calcite.sql.type.SqlTypeName;
import org.apache.calcite.sql.type.SqlTypeTransforms;
import java.util.List;
/**
- * <code>CONCAT_AGG</code> aggregate function returns the concatenation of
+ * <code>LISTAGG</code> aggregate function returns the concatenation of
* a list of values that are input to the function.
*/
-public class SqlConcatAggFunction extends SqlAggFunction {
+public class SqlListAggFunction extends SqlAggFunction {
- public SqlConcatAggFunction() {
- super("CONCAT_AGG",
+ public SqlListAggFunction() {
+ super("LISTAGG",
null,
SqlKind.OTHER_FUNCTION,
Review comment:
SqlKind.LISTAGG?
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