mcvsubbu commented on a change in pull request #6021:
URL: https://github.com/apache/incubator-pinot/pull/6021#discussion_r489089813
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File path:
pinot-core/src/main/java/org/apache/pinot/core/segment/processing/framework/SegmentMapper.java
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@@ -100,8 +110,11 @@ public void map()
}
// Partitioning
- // TODO: 2 step partitioner. 1) Apply custom partitioner 2) Apply table
config partitioner. Combine both to get final partition.
- String partition = _partitioner.getPartition(reusableRow);
+ int p = 0;
+ for (Partitioner partitioner : _partitioners) {
+ partitions[p++] = partitioner.getPartition(reusableRow);
+ }
+ String partition = StringUtil.join("_", partitions);
Review comment:
The `"_"` here is very significant, right? It cannot be changed, and has
to be used the same way across multiple components. Could you please declare it
as. a final string in some Constants class as a partition separator or
something?
And then re-use in tests
thanks
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