mirror of https://github.com/apache/druid.git
b20e3038b6
* SQL: Upgrade to Calcite 1.14.0, some refactoring of internals. This brings benefits: - Ability to do GROUP BY and ORDER BY with ordinals. - Ability to support IN filters beyond 19 elements (fixes #4203). Some refactoring of druid-sql internals: - Builtin aggregators and operators are implemented as SqlAggregators and SqlOperatorConversions rather being special cases. This simplifies the Expressions and GroupByRules code, which were becoming complex. - SqlAggregator implementations are no longer responsible for filtering. Added new functions: - Expressions: strpos. - SQL: TRUNCATE, TRUNC, LENGTH, CHAR_LENGTH, STRLEN, STRPOS, SUBSTR, and DATE_TRUNC. * Add missing @Override annotation. * Adjustments for forbidden APIs. * Adjustments for forbidden APIs. * Disable GROUP BY alias. * Doc reword. |
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| toc.md | ||