Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/527#discussion_r73764478
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/ops/QueryContext.java ---
@@ -97,7 +94,7 @@ public QueryContext(final UserSession session, final
DrillbitContext drillbitCon
plannerSettings.getPlanningMemoryLimit());
bufferManager = new BufferManagerImpl(this.allocator);
viewExpansionContext = new ViewExpansionContext(this);
- schemaTreesToClose = Lists.newArrayList();
+ schemaTreeProvider = new SchemaTreeProvider(drillbitContext);
--- End diff --
Does this need to be created once per query? Can one instance live in
Drillbit or UserSession?
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