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Posted to dev@calcite.apache.org by "Bertil Chapuis (Jira)" <ji...@apache.org> on 2022/09/09 19:33:00 UTC

[jira] [Created] (CALCITE-5280) Implement geometry aggregate functions

Bertil Chapuis created CALCITE-5280:
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             Summary: Implement geometry aggregate functions
                 Key: CALCITE-5280
                 URL: https://issues.apache.org/jira/browse/CALCITE-5280
             Project: Calcite
          Issue Type: Improvement
          Components: core
            Reporter: Bertil Chapuis


Geometry aggregate functions (ST_Accum, ST_Collect, and ST_Union) are currently missing in Calcite. Using an AggregateFunctionImpl looks be pretty straightforward, but many aggregate function implement SqlAggFunction directly. What would be the best way to implement them?



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