mirror of https://github.com/apache/druid.git
afe22907a5
* Update to Calcite 1.35.0 * Update from.ftl for Calcite 1.35.0. * Fixed tests in Calcite upgrade by doing the following: 1. Added a new rule, CoreRules.PROJECT_FILTER_TRANSPOSE_WHOLE_PROJECT_EXPRESSIONS, to Base rules 2. Refactored the CorrelateUnnestRule 3. Updated CorrelateUnnestRel accordingly 4. Fixed a case with selector filters on the left where Calcite was eliding the virtual column 5. Additional test cases for fixes in 2,3,4 6. Update to StringListAggregator to fail a query if separators are not propagated appropriately * Refactored for testcases to pass after the upgrade, introduced 2 new data sources for handling filters and select projects * Added a literalSqlAggregator as the upgraded Calcite involved changes to subquery remove rule. This corrected plans for 2 queries with joins and subqueries by replacing an useless literal dimension with a post agg. Additionally a test with COUNT DISTINCT and FILTER which was failing with Calcite 1.21 is added here which passes with 1.35 * Updated to latest avatica and updated code as SqlUnknownTimeStamp is now used in Calcite which needs to be resolved to a timestamp literal * Added a wrapper segment ref to use for unnest and filter segment reference |
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README.md
This module provides Druid aggregators based on https://datasketches.apache.org/.
Credits: This module is a result of feedback and work done by following people.
https://github.com/cheddar https://github.com/himanshug https://github.com/leerho https://github.com/will-lauer