kasakrisz commented on code in PR #3843:
URL: https://github.com/apache/hive/pull/3843#discussion_r1043335467
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/reloperators/HiveValues.java:
##########
@@ -43,4 +45,18 @@ public HiveValues(RelOptCluster cluster, RelDataType
rowType, ImmutableList<Immu
public RelNode copy(RelTraitSet traitSet, List<RelNode> inputs) {
return new HiveValues(getCluster(), getRowType(), tuples, getTraitSet());
}
+
+ public RelNode copy(List<String> newColumnNames) throws
CalciteSemanticException {
+ if (newColumnNames.size() != getRowType().getFieldCount()) {
+ throw new CalciteSemanticException("The number of new column names and
columns in the schema does not match!");
+ }
+
+ RelDataTypeFactory.Builder builder =
getCluster().getTypeFactory().builder();
Review Comment:
Refactored this to use `RelDataTypeFactory.Builder.uniquify()`. Thanks
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