gianm opened a new pull request, #20541:
URL: https://github.com/apache/druid/pull/20541
Addresses four problems:
1) Provide PhysicalSegmentColumnInspector from PartialQueryableIndexSegment.
Previously it was not provided, so segmentMetadata queries were not
able to report types.
2) Look at all cluster groups when determining capabilities, not just
the first one. (They can differ in the details, like auto-determined
type and hasMultipleValues.)
3) Use the DimensionIndexer's ColumnFormat when writing columns in
cluster groups and projections. Previously the ColumnFormat present
at creation time was used, which could differ in details (such as
hasMultipleValues). This caused multi-valued columns to be
incorrectly persisted, in situations where the persist logic did
not realize they were multi-value.
4) Updates Capable.or and Capable.and to use correct 3-valued logic.
This made certain new code simpler to write, and as far as I can
tell, will only have positive effects on existing callers.
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