deniskuzZ commented on code in PR #4869:
URL: https://github.com/apache/hive/pull/4869#discussion_r1405240351
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/views/HiveAugmentSnapshotMaterializationRule.java:
##########
@@ -125,11 +129,20 @@ public void onMatch(RelOptRuleCall call) {
Table table = hiveTable.getHiveTableMD();
SnapshotContext mvMetaTableSnapshot =
mvMetaStoredSnapshot.get(table.getFullyQualifiedName());
- if
(mvMetaTableSnapshot.equals(table.getStorageHandler().getCurrentSnapshotContext(table)))
{
+ if (table.getStorageHandler() == null) {
+ throw new UnsupportedOperationException(String.format("Table %s does not
have Storage handler defined. " +
+ "Mixing native and non-native tables in a materialized view
definition is currently not supported!",
+ table.getFullyQualifiedName()));
+ }
+ if (Objects.equals(mvMetaTableSnapshot,
table.getStorageHandler().getCurrentSnapshotContext(table))) {
return;
}
-
table.setVersionIntervalFrom(Long.toString(mvMetaTableSnapshot.getSnapshotId()));
+ Long snapshotId = null;
+ if (mvMetaTableSnapshot != null) {
Review Comment:
````
Long snapshotId = mvMetaTableSnapshot != null ?
mvMetaTableSnapshot.getSnapshotId() : null;
table.setVersionIntervalFrom(String.valueOf(snapshotId));
````
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