Github user chrajeshbabu commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/3#discussion_r14897862
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/compile/JoinCompiler.java ---
@@ -1134,8 +1135,15 @@ public static SelectStatement
optimize(PhoenixStatement statement, SelectStateme
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 =
statement.getConnection().getQueryServices().getOptimizer().optimize(statement,
stmt);
+ boolean localIndex =
plan.getContext().getCurrentTable().getTable().getIndexType()==IndexType.LOCAL;
if (!plan.getTableRef().equals(tableRef)) {
- replacement.put(tableRef, plan.getTableRef());
+ // Use local index plan only when all the columns to
project are available in index.
--- End diff --
This change is not required in the master branch James. In local-index
branch join queries have failed with ColumnNotFoundException with local indexes
when join query has columns other than index. So I have added the check.
Currently join back from data table is not supported in join queries.
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