mirror of https://github.com/apache/druid.git
1ef25a438f
* Broker: Add ability to inline subqueries. The main changes: - ClientQuerySegmentWalker: Add ability to inline queries. - Query: Add "getSubQueryId" and "withSubQueryId" methods. - QueryMetrics: Add "subQueryId" dimension. - ServerConfig: Add new "maxSubqueryRows" parameter, which is used by ClientQuerySegmentWalker to limit how many rows can be inlined per query. - IndexedTableJoinMatcher: Allow creating keys on top of unknown types, by assuming they are strings. This is useful because not all types are known for fields in query results. - InlineDataSource: Store RowSignature rather than component parts. Add more zealous "equals" and "hashCode" methods to ease testing. - Moved QuerySegmentWalker test code from CalciteTests and SpecificSegmentsQueryWalker in druid-sql to QueryStackTests in druid-server. Use this to spin up a new ClientQuerySegmentWalkerTest. * Adjustments from CI. * Fix integration test. |
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