mirror of https://github.com/apache/druid.git
5faa897a34
* Join filter pre-analysis simplifications and sanity checks. - At pre-analysis time, only compute pre-analysis for the innermost root query, since this is the one that will run on the join that involves the base datasource. Previously, pre-analyses were computed for multiple levels of the query, some of which were unnecessary. - Remove JoinFilterPreAnalysisGroup and join query level gathering code, since they existed to support precomputation of multiple pre-analyses. - Embed JoinFilterPreAnalysisKey into JoinFilterPreAnalysis and use it to sanity check at processing time that the correct pre-analysis was done. Tangentially related changes: - Remove prioritizeAndLaneQuery functionality from LocalQuerySegmentWalker. The computed priority and lanes were not being used. - Add "getBaseQuery" method to DataSourceAnalysis to support identification of the proper subquery for filter pre-analysis. * Fix compilation errors. * Adjust tests. |
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