[jira] [Created] (SPARK-33888) java.lang.RuntimeException: java.sql.Timestamp is not a valid external type for schema of int

["Duc Hoa Nguyen (Jira)" <ji...@apache.org>]

Duc Hoa Nguyen created SPARK-33888:
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             Summary: java.lang.RuntimeException: java.sql.Timestamp is not a valid external type for schema of int
                 Key: SPARK-33888
                 URL: https://issues.apache.org/jira/browse/SPARK-33888
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 3.0.1, 3.0.0, 2.4.3
            Reporter: Duc Hoa Nguyen


We encountered the issue of Avro logical type of `TimeMillis` not being converted correctly to Spark `Timestamp` struct type using the `SchemaConverters`, but it converts to regular `int` instead. Reproducible by ingest data from MySQL table with a column of TIME type: Spark JDBC dataframe will get the correct type (Timestamp), but enforcing our avro schema (`{"type": "int","logicalType": "time-millis"}`) externally will fail to apply with the following exception:

{{java.lang.RuntimeException: java.sql.Timestamp is not a valid external type for schema of int}}





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