Mihai Budiu created CALCITE-6752:
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Summary: JavaTypeFactoryImpl cannot represent fractional seconds
Key: CALCITE-6752
URL: https://issues.apache.org/jira/browse/CALCITE-6752
Project: Calcite
Issue Type: Bug
Components: core
Affects Versions: 1.38.0
Reporter: Mihai Budiu
The function getJavaClass(RelDataType type) returns long for all INTERVAL types.
However, intervals that represent seconds (e.g., INTERVAL_SECOND) may be used
to represent fractional values, such as 1.1 seconds. For such intervals the
correct representation is BigDecimal.
Perhaps it would be simpler to use BigDecimal for all interval types for
homogeneity.
This may not be easy to fix, since many of the Expression classes do not work
properly for BigDecimal values.
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