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https://issues.apache.org/jira/browse/PHOENIX-933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14059122#comment-14059122
]
ASF GitHub Bot commented on PHOENIX-933:
----------------------------------------
Github user chrajeshbabu commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/1#discussion_r14835021
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/compile/JoinCompiler.java ---
@@ -1037,8 +1038,13 @@ public static SelectStatement
optimize(StatementContext context, SelectStatement
List<OrderByNode> orderBy = tableRef.equals(orderByTableRef) ?
select.getOrderBy() : null;
SelectStatement stmt =
getSubqueryForOptimizedPlan(select.getHint(), table.getDynamicColumns(),
tableRef, join.getColumnRefs(), table.getPreFiltersCombined(), groupBy,
orderBy, table.isWildCardSelect());
QueryPlan plan =
context.getConnection().getQueryServices().getOptimizer().optimize(statement,
stmt);
+ boolean localIndex =
plan.getContext().getCurrentTable().getTable().getIndexType()==IndexType.LOCAL;
+ Scan scan = plan.getContext().getScan();
+ boolean useLocalIndex = localIndex &&
plan.getContext().getDataColumns().isEmpty();
if (!plan.getTableRef().equals(tableRef)) {
- replacement.put(tableRef, plan.getTableRef());
+ if (!localIndex || useLocalIndex) {
--- End diff --
comment added.
> Local index support to Phoenix
> ------------------------------
>
> Key: PHOENIX-933
> URL: https://issues.apache.org/jira/browse/PHOENIX-933
> Project: Phoenix
> Issue Type: New Feature
> Reporter: rajeshbabu
>
> Hindex(https://github.com/Huawei-Hadoop/hindex) provides local indexing
> support to HBase. It stores region level index in a separate table, and
> co-locates the user and index table regions with a custom load balancer.
> See http://goo.gl/phkhwC and http://goo.gl/EswlxC for more information.
> This JIRA addresses the local indexing solution integration to phoenix.
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