[jira] [Resolved] (FLINK-15381) INSERT INTO VALUES statement fails if a cast project is applied

["Jark Wu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-15381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jark Wu resolved FLINK-15381.
-----------------------------
    Resolution: Fixed

[FLINK-15381] [table-planner-blink] Fix collation derive logic on RelSubset in RelMdCollation
 - 1.11.0: 6b6dfd07950a22e5de421f9712b826fe6f756ae1
 - 1.10.0: 49ddaa1f5bbc12570155e24ca766228089c76016

> INSERT INTO VALUES statement fails if a cast project is applied
> ---------------------------------------------------------------
>
>                 Key: FLINK-15381
>                 URL: https://issues.apache.org/jira/browse/FLINK-15381
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / Planner
>            Reporter: Jark Wu
>            Assignee: godfrey he
>            Priority: Blocker
>              Labels: pull-request-available
>             Fix For: 1.10.0
>
>         Attachments: image-2019-12-26-14-56-00-634.png
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> The following query will fail:
> {code:scala}
>   @Test
>   def test(): Unit = {
>     val sinkDDL =
>       """
>         |create table t2(
>         |  a int,
>         |  b string
>         |) with (
>         |  'connector' = 'COLLECTION'
>         |)
>       """.stripMargin
>     val query =
>       """
>         |insert into t2 select cast(a as int), cast(b as varchar) from (values (3, 'c')) T(a,b)
>       """.stripMargin
>     tableEnv.sqlUpdate(sinkDDL)
>     tableEnv.sqlUpdate(query)
>     execJob("testJob")
>   }
> {code}
> exception:
> {code}
> org.apache.flink.table.api.TableException: Cannot generate a valid execution plan for the given query: 
> LogicalSink(name=[`default_catalog`.`default_database`.`t2`], fields=[a, b])
> +- LogicalProject(EXPR$0=[$0], EXPR$1=[CAST($1):VARCHAR(2147483647) CHARACTER SET "UTF-16LE" NOT NULL])
>    +- LogicalValues(type=[RecordType(INTEGER a, CHAR(1) b)], tuples=[[{ 3, _UTF-16LE'c' }]])
> This exception indicates that the query uses an unsupported SQL feature.
> Please check the documentation for the set of currently supported SQL features.
> {code}



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