jon-wei commented on a change in pull request #9384: Add join prefix
duplicate/shadowing check
URL: https://github.com/apache/druid/pull/9384#discussion_r383607739
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File path:
processing/src/main/java/org/apache/druid/segment/join/HashJoinSegmentStorageAdapter.java
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@@ -56,25 +56,29 @@
private final List<JoinableClause> clauses;
private final boolean enableFilterPushDown;
+ /**
+ * @param baseAdapter A StorageAdapter for the left-hand side base segment
+ * @param clauses The right-hand side clauses. The caller is responsible for
ensuring that there are no
+ * duplicate prefixes or prefixes that shadow each other
across the clauses
+ * @param enableFilterPushDown Whether to enable filter push down
optimizations to the base segment
+ */
HashJoinSegmentStorageAdapter(
StorageAdapter baseAdapter,
- List<JoinableClause> clauses
+ List<JoinableClause> clauses,
+ final boolean enableFilterPushDown
)
{
this.baseAdapter = baseAdapter;
this.clauses = clauses;
- this.enableFilterPushDown =
QueryContexts.DEFAULT_ENABLE_JOIN_FILTER_PUSH_DOWN;
+ this.enableFilterPushDown = enableFilterPushDown;
}
HashJoinSegmentStorageAdapter(
Review comment:
Added annotation
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