[jira] [Assigned] (IMPALA-3096) Incorrect subquery rewrite leads to analysis error

["Fang-Yu Rao (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-3096?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fang-Yu Rao reassigned IMPALA-3096:
-----------------------------------

    Assignee: Fang-Yu Rao

> Incorrect subquery rewrite leads to analysis error
> --------------------------------------------------
>
>                 Key: IMPALA-3096
>                 URL: https://issues.apache.org/jira/browse/IMPALA-3096
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Frontend
>    Affects Versions: Impala 2.5.0
>            Reporter: casey
>            Assignee: Fang-Yu Rao
>            Priority: Minor
>              Labels: ramp-up
>
> The query below gets rewritten then an analysis error happens
> {noformat}
> Query: explain SELECT 1
> FROM alltypes a1
> INNER JOIN alltypesagg a2 ON a1.bigint_col = a2.month
> WHERE a1.smallint_col NOT IN (
>   SELECT a3.int_col
>   FROM alltypes a3
>   INNER JOIN alltypes a4 ON a3.string_col = TRIM(a4.date_string_col)
>   WHERE a3.id = a2.year AND (a2.timestamp_col + INTERVAL a4.smallint_col SECOND) IS NULL)
> ERROR: AnalysisException: Operand 'TRUE' of timestamp arithmetic expression '(TRUE + INTERVAL a4.smallint_col SECOND)' returns type 'BOOLEAN'. Expected type 'TIMESTAMP'.
> {noformat}
> If the "... + INTERVAL) IS NULL" expression at the bottom is removed there is no error.
> Version: 1920aa5ea214ea21917778d5faad3ef1cb3e9f87



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