Github user jinfengni commented on a diff in the pull request:
https://github.com/apache/drill/pull/519#discussion_r70514652
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/PruneScanRule.java
---
@@ -269,13 +283,54 @@ protected void doOnMatch(RelOptRuleCall call, Filter
filterRel, Project projectR
int recordCount = 0;
int qualifiedCount = 0;
- // Inner loop: within each batch iterate over the
PartitionLocations
- for(PartitionLocation part: partitions){
- if(!output.getAccessor().isNull(recordCount) &&
output.getAccessor().get(recordCount) == 1){
- newPartitions.add(part);
- qualifiedCount++;
+ if (checkForSingle &&
+ partitions.get(0).isCompositePartition() /* apply single
partition check only for composite partitions */) {
+ // Inner loop: within each batch iterate over the
PartitionLocations
+ for (PartitionLocation part : partitions) {
--- End diff --
yes, it's ok to put the refactoring effort as an enhancement JIR.
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