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https://issues.apache.org/jira/browse/FLINK-37098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Fedulov updated FLINK-37098:
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Fix Version/s: 1.20.1
(was: 1.20.2)
> Can not select time attribute from a view
> -----------------------------------------
>
> Key: FLINK-37098
> URL: https://issues.apache.org/jira/browse/FLINK-37098
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.20.1
> Reporter: Dawid Wysakowicz
> Assignee: Dawid Wysakowicz
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.0.0, 1.20.1
>
>
> Unfortunately the solution in [FLINK-36883] is not fully functional, because
> of a check in {{SqlToRelConverter}}. If the time attribute should be returned
> from a query using such a view it will fail with:
> {code}
> Conversion to relational algebra failed to preserve datatypes:
> validated type:
> RecordType(VARCHAR(2147483647) CHARACTER SET "UTF-16LE" NOT NULL order_id,
> INTEGER customer_id, BIGINT product_id, TIMESTAMP_WITH_LOCAL_TIME_ZONE(3) NOT
> NULL $rowtime) NOT NULL
> converted type:
> RecordType(VARCHAR(2147483647) CHARACTER SET "UTF-16LE" NOT NULL order_id,
> INTEGER customer_id, BIGINT product_id, TIMESTAMP_LTZ(3) *ROWTIME* NOT NULL
> $rowtime) NOT NULL
> rel:
> LogicalProject(order_id=[$0], customer_id=[$1], product_id=[$2],
> $rowtime=[$3])
> LogicalProject(order_id=[$0], customer_id=[$1], product_id=[$6],
> $rowtime=[$5])
> LogicalCorrelate(correlation=[$cor0], joinType=[inner],
> requiredColumns=[{2}])
> LogicalWatermarkAssigner(rowtime=[$rowtime],
> watermark=[SOURCE_WATERMARK()])
> LogicalProject(order_id=[$0], customer_id=[$1], product_ids=[$2],
> price=[$3], order_details=[$4], $rowtime=[CAST($5):TIMESTAMP_LTZ(3) *ROWTIME*
> NOT NULL])
> LogicalTableScan(table=[[prod, marketplace, orders,
> metadata=[$rowtime]]])
> LogicalProject(product_id=[$0])
> Uncollect
> LogicalProject(product_ids=[$cor0.product_ids])
> LogicalValues(tuples=[[{ 0 }]])
> {code}
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