Joy Kent e5f0da30ae Fix stringFirst/stringLast rollup during ingestion (#10332) ... * Add IndexMergerRollupTest This changelist adds a test to merge indexes with StringFirst/StringLast aggregator. * Fix StringFirstAggregateCombiner/StringLastAggregateCombiner The segment-level type for stringFirst/stringLast is SerializablePairLongString, not String. This changelist fixes it. * Fix EarliestLatestAnySqlAggregator to handle COMPLEX type This changelist allows EarliestLatestAnySqlAggregator to accept COMPLEX type as an operand. For its return type, we set it to VARCHAR, since COMPLEX column is only generated by stringFirst/stringLast during ingestion rollup. * Return value with smaller timestamp in StringFirstAggregatorFactory.combine function * Add integration tests for stringFirst/stringLast during ingestion * Use one EarliestLatestReturnTypeInference instance Co-authored-by: Joy Kent <joy@automonic.ai>		2020-09-08 17:36:04 -07:00
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src	Fix stringFirst/stringLast rollup during ingestion (#10332)	2020-09-08 17:36:04 -07:00
pom.xml	bump version to 0.20.0-SNAPSHOT (#10124)	2020-07-06 15:08:32 -07:00