[jira] [Updated] (CALCITE-4954) Group TEXT field failed in Elasticsearch Adapter

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-4954?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated CALCITE-4954:
------------------------------------
    Labels: pull-request-available  (was: )

> Group TEXT field failed in Elasticsearch Adapter
> ------------------------------------------------
>
>                 Key: CALCITE-4954
>                 URL: https://issues.apache.org/jira/browse/CALCITE-4954
>             Project: Calcite
>          Issue Type: Bug
>          Components: elasticsearch-adapter
>    Affects Versions: 1.28.0
>            Reporter: ZheHu
>            Assignee: ZheHu
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Adding a text type field "cat6" in AggregationTest.java, I've run the following SQL:
> {code:java}
> @Test void testGroupTextField() {
>     CalciteAssert.that()
>         .with(newConnectionFactory())
>         .query("select cat6 from view group by cat6")
>         .returns("EXPR$0=1\n");
>   }
> {code}
> and I get such exception:
> {code:java}
> {"error":{"root_cause":[{"type":"illegal_argument_exception","reason":"Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [cat6] in order to load field data by uninverting the inverted index. Note that this can use significant memory."}],......(useless message),"status":400}
> {code}
> As Elasticsearch does supports grouping text field(memory consumed), it's better to show SQL users how to implement it in Calcite by enriching ES's test cases.



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