dylanhz commented on code in PR #26802:
URL: https://github.com/apache/flink/pull/26802#discussion_r2211187990
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flink-table/flink-table-common/src/test/java/org/apache/flink/table/types/ValueDataTypeConverterTest.java:
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@@ -60,6 +60,9 @@ private static Stream<Arguments> testData() {
of(new BigDecimal("12.123"), DataTypes.DECIMAL(5, 3)),
of(new BigDecimal("1E+36"), DataTypes.DECIMAL(37, 0)),
of(new BigDecimal("0.000"), DataTypes.DECIMAL(4, 3)),
+ of(new BigDecimal("0.0"), DataTypes.DECIMAL(2, 1)),
+ of(new BigDecimal("0.11"), DataTypes.DECIMAL(3, 2)),
+ of(new BigDecimal("0.011"), DataTypes.DECIMAL(4, 3)),
Review Comment:
Thanks for your feedback!
1. For the first point: Test cases have been added. It's also worth noting
that Calcite handles these inputs based on their literal string length after
assuming they are normalized. Consequently, the two numbers are treated as
`DECIMAL(6, 2)` and `DECIMAL(2, 2)`. Maybe we can create a follow-up issue for
this.
2. For the second point: An error will be thrown by `DecimalType` during
validation, but I don't know where to catch the error within the test
framework. Do you have any suggestions about this if this test case is
necessary?
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