zhangbutao commented on code in PR #6380:
URL: https://github.com/apache/hive/pull/6380#discussion_r3068090580
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ql/src/java/org/apache/hadoop/hive/ql/optimizer/ppr/PartitionPruner.java:
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@@ -184,8 +184,11 @@ public static PrunedPartitionList prune(Table tab,
ExprNodeDesc prunerExpr,
String key = tab.getFullyQualifiedName() + ";";
if (tab.getMetaTable() != null) {
key = tab.getFullyQualifiedName() + "." + tab.getMetaTable() + ";";
- } else if (tab.getSnapshotRef() != null) {
- key = tab.getFullyQualifiedName() + "." + tab.getSnapshotRef() + ";";
+ } else if (tab.isNonNative()) {
+ long snapshotId = tab.getStorageHandler().getSnapshotId(tab);
+ if (snapshotId > 0) {
+ key = tab.getFullyQualifiedName() + "." + snapshotId + ";";
Review Comment:
Why change it here?
In my opinion,
`key = tab.getFullyQualifiedName() + "." + tab.getSnapshotRef() + ";"`
can also represent a unique key.
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