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https://issues.apache.org/jira/browse/FLINK-14764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jingsong Lee updated FLINK-14764:
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Priority: Major (was: Blocker)
> The final Explicit conversion matrix we should support in our planner
> ---------------------------------------------------------------------
>
> Key: FLINK-14764
> URL: https://issues.apache.org/jira/browse/FLINK-14764
> Project: Flink
> Issue Type: Task
> Components: Documentation
> Affects Versions: 1.10.0
> Reporter: Zhenghua Gao
> Priority: Major
> Fix For: 1.10.0
>
> Attachments: SQL_2011_CAST_Matrix.png
>
>
> The SQL standard defines the cast specification with an explicit conversion
> matrix (SQL 2011 Part 2 Section 6.13 Syntax Rules 6)). But neither Legacy
> planner nor blink planner would follow that. IMO we should determine a final
> Explicit/Implicit conversion matrix before 1.10 (at least in blink planner).
>
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