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https://issues.apache.org/jira/browse/CALCITE-5280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17608868#comment-17608868
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Julian Hyde commented on CALCITE-5280:
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Yes it's a bug; Calcite should never throw {{ArrayIndexOutOfBoundsException}}.
But it's hard to say whether it's a general bug or something specific to your
work. Your best bet is to minimize the test case and log it as a separate bug.
> 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
> Assignee: Bertil Chapuis
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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.
> [~julianhyde] What would be the best way to implement them?
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