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Posted to issues@beam.apache.org by "Alexey Romanenko (Jira)" <ji...@apache.org> on 2022/01/13 17:34:00 UTC
[jira] [Work started] (BEAM-13400) JDBC IO does not support UUID and JSONB PostgreSQL types and OTHER JDBC types in general
[ https://issues.apache.org/jira/browse/BEAM-13400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on BEAM-13400 started by Vitaly Ivanov.
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> JDBC IO does not support UUID and JSONB PostgreSQL types and OTHER JDBC types in general
> -----------------------------------------------------------------------------------------
>
> Key: BEAM-13400
> URL: https://issues.apache.org/jira/browse/BEAM-13400
> Project: Beam
> Issue Type: Improvement
> Components: io-java-jdbc
> Affects Versions: 2.34.0
> Reporter: Vitaly Ivanov
> Assignee: Vitaly Ivanov
> Priority: P2
> Time Spent: 4h 20m
> Remaining Estimate: 0h
>
> The following exception occurs when trying to read rows from table which contains fields with type JSONB and UUID. They have JDBCType OTHER.
> {noformat}
> java.lang.UnsupportedOperationException: Converting OTHER to Beam schema type is not supported
> at org.apache.beam.sdk.io.jdbc.SchemaUtil.jdbcTypeToBeamFieldConverter(SchemaUtil.java:161)
> at org.apache.beam.sdk.io.jdbc.SchemaUtil.toBeamSchema(SchemaUtil.java:172)
> at org.apache.beam.sdk.io.jdbc.JdbcIO$ReadRows.inferBeamSchema(JdbcIO.java:655)
> at org.apache.beam.sdk.io.jdbc.JdbcIO$ReadRows.expand(JdbcIO.java:632)
> at org.apache.beam.sdk.io.jdbc.JdbcIO$ReadRows.expand(JdbcIO.java:551)
> at org.apache.beam.sdk.Pipeline.applyInternal(Pipeline.java:548)
> at org.apache.beam.sdk.Pipeline.applyTransform(Pipeline.java:499)
> at org.apache.beam.sdk.values.PBegin.apply(PBegin.java:56){noformat}
> I suppose the issue is quite important because the UUID type is widespread in PostgeSQL.
>
> Actual for Oracle BLOB as well.
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