Liya Fan created FLINK-15538:
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Summary: Separate decimal implementations into separate sub-classes
Key: FLINK-15538
URL: https://issues.apache.org/jira/browse/FLINK-15538
Project: Flink
Issue Type: Improvement
Components: Table SQL / Runtime
Reporter: Liya Fan
The current implementation of Decimal values have two (somewhat independent)
implementations: one is based on Long, while the other is based on BigDecimal.
This makes the Decmial class not clear (both implementations cluttered in a
single class) and less efficient (each method involves a if-else branch).
So in this issue, we make Decimal an abstract class, and separate the two
implementation into two sub-classes. This makes the code clearer and more
efficient.
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