npawar commented on a change in pull request #3868: Disable realtime aggregate
metrics if multi value dimension present
URL: https://github.com/apache/incubator-pinot/pull/3868#discussion_r259551114
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/indexsegment/mutable/MutableSegmentImpl.java
##########
@@ -715,13 +716,21 @@ private int getOrCreateDocId(Map<String, Object>
dictIdMap) {
}
// All dimension columns should be dictionary encoded.
+ // All dimensions must be single value
for (String dimension : schema.getDimensionNames()) {
if (noDictionaryColumns.contains(dimension)) {
_logger
.warn("Metrics aggregation cannot be turned ON in presence of
no-dictionary dimensions, eg: {}", dimension);
_aggregateMetrics = false;
break;
}
+ // https://github.com/apache/incubator-pinot/issues/3867
+ if (!schema.getDimensionSpec(dimension).isSingleValueField()) {
Review comment:
i don't think so. The line where it's breaking right now is
MutableSegmentImpl::672
```
for (String column : _schema.getDimensionNames()) {
dictIds[i++] = (Integer) dictIdMap.get(column);
}
```
It's checked only for dimensions and time. Unless I'm missing some other
place?
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