[jira] [Created] (FLINK-4909) JDBC Input format cast exception management

[Shang Yuanchun (Jira)]

Stefano Bortoli created FLINK-4909:
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             Summary: JDBC Input format cast exception management
                 Key: FLINK-4909
                 URL: https://issues.apache.org/jira/browse/FLINK-4909
             Project: Flink
          Issue Type: Improvement
          Components: Batch Connectors and Input/Output Formats
    Affects Versions: 1.1.1
            Reporter: Stefano Bortoli
            Priority: Minor


When setting the type settings for the JDBC Input Format one can easily make errors in setting the correct type (e.g. INT vs DECIMAL, or LONG vs BIG_DECIMAL)

it would be nice to have the class cast Exception to return also the name of field causing the exception. In a sense, improve the exception message.

For example: java.lang.ClassCastException: java.math.BigDecimal cannot be cast to java.lang.String *for field MY_BIGDECIMAL_FIELD*





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