zabetak commented on code in PR #3967:
URL: https://github.com/apache/hive/pull/3967#discussion_r1081869696
##########
ql/src/java/org/apache/hadoop/hive/ql/ddl/view/materialized/alter/rewrite/AlterMaterializedViewRewriteAnalyzer.java:
##########
@@ -87,8 +88,15 @@ public void analyzeInternal(ASTNode root) throws
SemanticException {
}
inputs.add(new ReadEntity(materializedViewTable));
- outputs.add(new WriteEntity(materializedViewTable,
AcidUtils.isLocklessReadsEnabled(materializedViewTable, conf) ?
- WriteEntity.WriteType.DDL_EXCL_WRITE :
WriteEntity.WriteType.DDL_EXCLUSIVE));
+ WriteEntity.WriteType type;
+ if (MetaStoreUtils.isNonNativeTable(materializedViewTable.getTTable())
+ &&
materializedViewTable.getStorageHandler().areSnapshotsSupported()) {
+ type = WriteEntity.WriteType.DDL_SHARED;
+ } else {
+ type = AcidUtils.isLocklessReadsEnabled(materializedViewTable, conf) ?
Review Comment:
bad indentation?
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