| commit | 7527bbbb3930e8c237cd3171887c0aa7c76cfa3e | [log] [tgz] |
|---|---|---|
| author | buyingyi <buyingyi@gmail.com> | Wed Dec 03 18:34:01 2014 -0800 |
| committer | Ian Maxon <imaxon@uci.edu> | Thu Dec 04 12:08:27 2014 -0800 |
| tree | 58421733de11a72b9dd1969fd48bcc670c163365 | |
| parent | e82f81194b27ebd5143f5b759941363e5c89e5f5 [diff] |
Eliminate trivial subplan (e.g., a NTS only plan) in EliminateSubplanRule. Change-Id: I13a56fe78847e882358f393bf19391e97e1730e3 Reviewed-on: http://fulliautomatix.ics.uci.edu:8443/188 Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu> Reviewed-by: Preston Carman <ecarm002@ucr.edu>
diff --git a/algebricks/algebricks-rewriter/src/main/java/edu/uci/ics/hyracks/algebricks/rewriter/rules/EliminateSubplanRule.java b/algebricks/algebricks-rewriter/src/main/java/edu/uci/ics/hyracks/algebricks/rewriter/rules/EliminateSubplanRule.java index 048e863..8a381f7 100644 --- a/algebricks/algebricks-rewriter/src/main/java/edu/uci/ics/hyracks/algebricks/rewriter/rules/EliminateSubplanRule.java +++ b/algebricks/algebricks-rewriter/src/main/java/edu/uci/ics/hyracks/algebricks/rewriter/rules/EliminateSubplanRule.java
@@ -74,7 +74,8 @@ SubplanOperator subplan = (SubplanOperator) opRef.getValue(); AbstractLogicalOperator rootOp = (AbstractLogicalOperator) subplan.getNestedPlans().get(0).getRoots().get(0) .getValue(); - if (rootOp.getOperatorTag() == LogicalOperatorTag.EMPTYTUPLESOURCE) { + if (rootOp.getOperatorTag() == LogicalOperatorTag.EMPTYTUPLESOURCE + || rootOp.getOperatorTag() == LogicalOperatorTag.NESTEDTUPLESOURCE) { opRef.setValue(subplan.getInputs().get(0).getValue()); return true; } else {