Zhenghua Gao created FLINK-13651:
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Summary: table api not support cast to decimal with precision and
scale
Key: FLINK-13651
URL: https://issues.apache.org/jira/browse/FLINK-13651
Project: Flink
Issue Type: Bug
Components: Table SQL / Planner
Affects Versions: 1.9.0, 1.10.0
Reporter: Zhenghua Gao
could reproduce in ScalarFunctionsTest:
`testAllApis(
'f31.cast(DataTypes.DECIMAL(38, 18)).truncate(2),
"f31.cast(DECIMAL(10, 10)).truncate(2)",
"truncate(cast(f31 as decimal(38, 18)), 2)",
"-0.12")`
A possible reason is LookupCallResolver treat decimal(38, 18) as a function
call.
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