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https://issues.apache.org/jira/browse/CALCITE-4590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
duan xiong reassigned CALCITE-4590:
-----------------------------------
Assignee: duan xiong
> Incorrect query result with fixed-length string
> -----------------------------------------------
>
> Key: CALCITE-4590
> URL: https://issues.apache.org/jira/browse/CALCITE-4590
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.26.0
> Reporter: Roman Kondakov
> Assignee: duan xiong
> Priority: Major
>
> Query may return wrong result when fixed-length strings (CHAR(N)) are used in
> OR/IN clause
> {code:java}
> @Test void test() {
> // Passed.
> CalciteAssert.that()
> .query("select * from (values (1, 'a'), (2, 'abc')) where EXPR$1 =
> 'a'")
> .returns("EXPR$0=1; EXPR$1=a \n");
> // Failed. Only "EXPR$0=2; EXPR$1=abc\n" is returned
> CalciteAssert.that()
> .query("select * from (values (1, 'a'), (2, 'abc')) where EXPR$1 =
> 'a' or EXPR$1 = 'abc'")
> .returns("EXPR$0=1; EXPR$1=a \n"
> + "EXPR$0=2; EXPR$1=abc\n");
> }
> {code}
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