clintropolis commented on a change in pull request #10277:
URL: https://github.com/apache/druid/pull/10277#discussion_r472433647
##########
File path:
processing/src/main/java/org/apache/druid/segment/column/ColumnCapabilities.java
##########
@@ -37,6 +37,12 @@
*/
ValueType getType();
+ /**
+ *
+ * If ValueType is COMPLEX, then the typeName associated with it.
+ */
+ String getTypeName();
Review comment:
could this be `getComplexTypeName` to tie it more strongly to complex
types? It would also match the aggregator factory changes in #9638 which I've
started working on again recently. If you recall this discussion
https://github.com/apache/druid/pull/9638#discussion_r410995227, I decided to
go ahead and rename it to `getComplexTypeName` there because there are already
breaking changes with the new abstract methods, so might as well make it
intuitive.
##########
File path:
processing/src/main/java/org/apache/druid/segment/incremental/IncrementalIndex.java
##########
@@ -314,7 +315,12 @@ protected IncrementalIndex(
for (DimensionSchema dimSchema : dimensionsSpec.getDimensions()) {
ValueType type = TYPE_MAP.get(dimSchema.getValueType());
String dimName = dimSchema.getName();
- ColumnCapabilitiesImpl capabilities =
makeDefaultCapabilitiesFromValueType(type);
+
+ // Note: Things might be simpler if DimensionSchema had a method
"getColumnCapabilities()" which could return
+ // type specific capabilities by itself. However, for various reasons,
DimensionSchema currently lives in druid-core
+ // while ColumnCapabilities lives in druid-processing which makes that
approach difficult.
+ ColumnCapabilitiesImpl capabilities =
makeDefaultCapabilitiesFromValueType(type, dimSchema.getTypeName());
Review comment:
Apologies for the conflicts here, I made some semi disruptive changes to
push `ColumnCapabilities` into the `DimensionIndexer` implementations so they
can be more accurate. I think the changes should still be workable with your
addition of `DimensionHandlerProvider`, just the dimension indexer it provides
will need to provide the complex column capabilities.
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