soumyakanti3578 commented on code in PR #6103:
URL: https://github.com/apache/hive/pull/6103#discussion_r2417816679
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ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java:
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@@ -4918,15 +4920,16 @@ private RelNode genLogicalPlan(QB qb, boolean
outerMostQB,
aliasToRel.put(subqAlias, relNode);
if (qb.getViewToTabSchema().containsKey(subqAlias)) {
- if (relNode instanceof HiveProject) {
- if (this.viewProjectToTableSchema == null) {
- this.viewProjectToTableSchema = new LinkedHashMap<>();
- }
- viewProjectToTableSchema.put((HiveProject) relNode,
qb.getViewToTabSchema().get(subqAlias));
- } else {
- throw new SemanticException("View " + subqAlias + " is
corresponding to "
- + relNode.toString() + ", rather than a HiveProject.");
+ HiveProject project = switch (Objects.requireNonNull(relNode)) {
+ case HiveProject hiveProject -> hiveProject;
+ case SingleRel singleRel when singleRel.getInput() instanceof
HiveProject hiveProject -> hiveProject;
+ default -> throw new SemanticException("View " + subqAlias + " is
corresponding to "
+ + relNode + ", rather than a HiveProject or a SingleRel with
HiveProject as its child.");
Review Comment:
Good idea! I have changed the message in the new commit
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