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