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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