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https://issues.apache.org/jira/browse/DRILL-4728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15410133#comment-15410133
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ASF GitHub Bot commented on DRILL-4728:
---------------------------------------
Github user vkorukanti commented on a diff in the pull request:
https://github.com/apache/drill/pull/527#discussion_r73764733
--- 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 --
yes. It contains the schema trees that are created within the query. It is
going to differ for every query depending upon what schemas are added. Also it
is a very light weight object.
> Add support for new metadata fetch APIs
> ---------------------------------------
>
> Key: DRILL-4728
> URL: https://issues.apache.org/jira/browse/DRILL-4728
> Project: Apache Drill
> Issue Type: Sub-task
> Components: Metadata
> Reporter: Venki Korukanti
> Assignee: Venki Korukanti
> Fix For: 1.8.0
>
>
> Please see the doc attached to the parent JIRA DRILL-4714 for details on APIs.
> Add support for following APIs (including {{protobuf}} messages, server
> handling code and Java client APIs)
> {code}
> List<Catalog> getCatalogs(Filter catalogNameFilter)
> List<Schema> getSchemas(
> Filter catalogNameFilter,
> Filter schemaNameFilter
> )
> List<Table> getTables(
> Filter catalogNameFilter,
> Filter schemaNameFilter,
> Filter tableNameFilter
> )
> List<Column> getColumns(
> Filter catalogNameFilter,
> Filter schemaNameFilter,
> Filter tableNameFilter,
> Filter columnNameFilter
> )
> {code}
> Note: native client changes are not going to be included in this patch. Will
> file a separate JIRA.
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