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Posted to issues@drill.apache.org by "Bohdan Kazydub (JIRA)" <ji...@apache.org> on 2019/02/14 13:41:00 UTC
[jira] [Updated] (DRILL-4858) REPEATED_COUNT on an array of maps
and an array of arrays is not implemented
[ https://issues.apache.org/jira/browse/DRILL-4858?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bohdan Kazydub updated DRILL-4858:
----------------------------------
Summary: REPEATED_COUNT on an array of maps and an array of arrays is not implemented (was: REPEATED_COUNT on JSON containing an array of maps)
> REPEATED_COUNT on an array of maps and an array of arrays is not implemented
> ----------------------------------------------------------------------------
>
> Key: DRILL-4858
> URL: https://issues.apache.org/jira/browse/DRILL-4858
> Project: Apache Drill
> Issue Type: Bug
> Reporter: jean-claude
> Assignee: Bohdan Kazydub
> Priority: Minor
> Fix For: 1.16.0
>
>
> REPEATED_COUNT of JSON containing an array of map does not work.
> JSON file
> {code}
> drill$ cat /Users/jccote/repeated_count.json
> {"intArray": [1,2,3,4], "mapArray": [{"name": "foo"},{"name": "foo"}], "label": "foo"}
> {"intArray": [1,2,3,4], "mapArray": [{"name": "foo"},{"name": "foo"}], "label": "foo"}
> {"intArray": [1,2,3,4], "mapArray": [{"name": "foo"},{"name": "foo"}], "label": "foo"}
> {"intArray": [1,2,3,4], "mapArray": [{"name": "foo"},{"name": "foo"}], "label": "foo"}
> {"intArray": [1,2,3,4], "mapArray": [{"name": "foo"},{"name": "foo"}], "label": "foo"}
> {"intArray": [1,2,3,4], "mapArray": [{"name": "foo"},{"name": "foo"}], "label": "foo"}
> {"intArray": [1,2,3,4], "mapArray": [{"name": "foo"},{"name": "foo"}], "label": "foo"}
> {"intArray": [1,2,3,4], "mapArray": [{"name": "foo"},{"name": "foo"}], "label": "foo"}
> {code}
> select
> {code}
> 0: jdbc:drill:zk=local> select repeated_count(mapArray) from dfs.`/Users/jccote/repeated_count.json`;
> {code}
> error
> {code}
> Error: SYSTEM ERROR: SchemaChangeException: Failure while trying to materialize incoming schema. Errors:
>
> Error in expression at index -1. Error: Missing function implementation: [repeated_count(MAP-REPEATED)]. Full expression: --UNKNOWN EXPRESSION--..
> Fragment 0:0
> [Error Id: 1057bb8e-1cc4-4a9a-a748-3a6a14092858 on 192.168.1.3:31010] (state=,code=0)
> {code}
> Looking at the org.apache.drill.exec.expr.fn.impl.SimpleRepeatedFunctions
> Looks like it's not enabled yet.
> {code}
> // TODO - need to confirm that these work SMP: They do not
> @FunctionTemplate(name = "repeated_count", scope = FunctionTemplate.FunctionScope.SIMPLE)
> public static class RepeatedLengthMap implements DrillSimpleFunc {
> {code}
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