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https://issues.apache.org/jira/browse/CALCITE-6345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17832343#comment-17832343
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Mihai Budiu commented on CALCITE-6345:
--------------------------------------
This happens because the SqlIntervalQualifier.checkLeadFieldInRange uses the
typeSystem's default precision, which happens to be 2. But why use the default
precision and not the max precision?
> Intervals with more than 100 years are not supported
> ----------------------------------------------------
>
> Key: CALCITE-6345
> URL: https://issues.apache.org/jira/browse/CALCITE-6345
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.36.0
> Reporter: Mihai Budiu
> Priority: Minor
>
> Adding the following SqlValidatorTest:
> {code:java}
> expr("INTERVAL '100-2' YEAR TO MONTH").assertInterval(is(122L));
> {code}
> causes the following exception:
> {code}
> org.apache.calcite.runtime.CalciteContextException: From line 1, column 9 to
> line 1, column 38: Interval field value 100 exceeds precision of YEAR(2) field
> at
> java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
> at
> java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> at
> java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at
> java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
> at
> org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:507)
> at org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:948)
> at org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:933)
> at
> org.apache.calcite.sql.SqlIntervalQualifier.fieldExceedsPrecisionException(SqlIntervalQualifier.java:1355)
> at
> org.apache.calcite.sql.SqlIntervalQualifier.checkLeadFieldInRange(SqlIntervalQualifier.java:475)
> at
> org.apache.calcite.sql.SqlIntervalQualifier.evaluateIntervalLiteralAsYearToMonth(SqlIntervalQualifier.java:626)
> at
> org.apache.calcite.sql.SqlIntervalQualifier.evaluateIntervalLiteral(SqlIntervalQualifier.java:1293)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateLiteral(SqlValidatorImpl.java:3429)
> {code}
> The spec does not limit years to 2 digits, so I don't know where the YEAR(2)
> time is coming from.
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