deniskuzZ commented on code in PR #4852:
URL: https://github.com/apache/hive/pull/4852#discussion_r1399811359
##########
ql/src/java/org/apache/hadoop/hive/ql/parse/rewrite/MergeRewriter.java:
##########
@@ -217,13 +218,17 @@ public void
appendWhenMatchedUpdateClause(MergeStatement.UpdateClause updateClau
}
protected void addValues(Table targetTable, String targetAlias,
Map<String, String> newValues,
- List<String> values) {
+ List<String> values, boolean aliasRhsExpr) {
for (FieldSchema fieldSchema : targetTable.getCols()) {
+ String value = String.format("%s.%s", targetAlias,
HiveUtils.unparseIdentifier(fieldSchema.getName(), conf));
if (newValues.containsKey(fieldSchema.getName())) {
- values.add(newValues.get(fieldSchema.getName()));
+ String rhsExp = newValues.get(fieldSchema.getName());
+ if (aliasRhsExpr){
+ rhsExp += String.format(" AS %s", value);
+ }
+ values.add(rhsExp);
Review Comment:
+ added extra refactor
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