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https://issues.apache.org/jira/browse/CALCITE-7088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yu Xu updated CALCITE-7088:
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Summary: X LIKE '%%'(Any number of '%') should simply to X=X (was: X LIKE
'%%'(Any number of '%') should simply to TRUE)
> X LIKE '%%'(Any number of '%') should simply to X=X
> ---------------------------------------------------
>
> Key: CALCITE-7088
> URL: https://issues.apache.org/jira/browse/CALCITE-7088
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.40.0
> Reporter: Yu Xu
> Assignee: Yu Xu
> Priority: Minor
> Fix For: 1.41.0
>
>
> sql:
> {code:java}
> "select \"product_name\" like '%' from \"product\""; {code}
> would convert as expected:
> {code:java}
> "SELECT TRUE\nFROM \"foodmart\".\"product\"" ;{code}
> but sql：
> {code:java}
> "select \"product_name\" like '%%' from \"product\"";{code}
> would convert not as expected:
> {code:java}
> "SELECT \"product_name\" LIKE '%%'\nFROM \"foodmart\".\"product\"" ;{code}
>
> LIKE '%%...' should keep the same with LIKE '%'
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