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https://issues.apache.org/jira/browse/IMPALA-7886?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Rogers resolved IMPALA-7886.
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Resolution: Fixed
> NumericLiteral constructor fails to round values to Decimal type
> ----------------------------------------------------------------
>
> Key: IMPALA-7886
> URL: https://issues.apache.org/jira/browse/IMPALA-7886
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Affects Versions: Impala 3.0
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Priority: Minor
>
> According to the SQL spec, section 4.4, regarding numeric assignment:
> bq. If least significant digits are lost, implementation defined rounding or
> truncating occurs, with no exception condition being raised
> When creating a {{NumericLiteral}} via the constructor, no rounding occurs.
> The value has more precision than specified by the type.
> Create a NumericLiteral and test it as follows:
> {code:java}
> NumericLiteral n = new NumericLiteral(new BigDecimal("1.567"),
> ScalarType.createDecimalType(2, 1));
> assertEquals(ScalarType.createDecimalType(2, 1), n.getType());
> assertEquals("1.6", n.getValue().toString());
> {code}
> The above test fails because the value in the literal is “1.567”, it has not
> been rounded to fit the type of the literal as required by the SQL standard.
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