Github user maryannxue commented on a diff in the pull request:
https://github.com/apache/incubator-phoenix/pull/31#discussion_r11857047
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/compile/QueryCompiler.java ---
@@ -290,6 +292,9 @@ protected BasicQueryPlan
compileSingleQuery(StatementContext context, SelectStat
ColumnResolver resolver = context.getResolver();
TableRef tableRef = context.getCurrentTable();
PTable table = tableRef.getTable();
+ if (table.getType() == PTableType.SUBQUERY)
+ throw new SQLFeatureNotSupportedException("Complex nested
queries not supported.");
--- End diff --
No, this is just subqueries (derived tables) in the from clause that
SubselectRewriter is unable to flatten. We don't have parser support for
correlated subqueries so far.
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