Can't view system tables due to Unsupported ArrowType Utf8View
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Descripción
### Describe the bug, including details regarding any error messages, version, and platform.
I'm using the latest JDBC 18.3 and I can't open some tables and retrieve column names due to the exception:
```
java.sql.SQLException: Error while executing SQL "SELECT t.*
FROM "system"."distinct_caches" t": Unsupported ArrowType Utf8View
at org.apache.arrow.driver.jdbc.shaded.org.apache.calcite.avatica.Helper.createException(Helper.java:56)
at org.apache.arrow.driver.jdbc.shaded.org.apache.calcite.avatica.Helper.createException(Helper.java:41)
at org.apache.arrow.driver.jdbc.shaded.org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:164)
at org.apache.arrow.driver.jdbc.shaded.org.apache.calcite.avatica.AvaticaStatement.execute(AvaticaStatement.java:218)
in RemoteStatementImpl.execute(RemoteStatementImpl.java:79)
Caused by: java.lang.IllegalArgumentException: Unsupported ArrowType Utf8View
at org.apache.arrow.driver.jdbc.utils.SqlTypes.getSqlTypeIdFromArrowType(SqlTypes.java:163)
at org.apache.arrow.driver.jdbc.utils.ConvertUtils.lambda$convertArrowFieldsToColumnMetaDataList$0(ConvertUtils.java:83)
at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
at java.base/java.util.stream.SliceOps$1$1.accept(SliceOps.java:200)
at java.base/java.util.stream.Stream$1.tryAdvance(Stream.java:1469)
at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:129)
at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:527)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:513)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682)
at org.apache.arrow.driver.jdbc.utils.ConvertUtils.convertArrowFieldsToColumnMetaDataList(ConvertUtils.java:89)
at org.apache.arrow.driver.jdbc.ArrowFlightMetaImpl.newSignature(ArrowFlightMetaImpl.java:60)
at org.apache.arrow.driver.jdbc.ArrowFlightMetaImpl.prepareForHandle(ArrowFlightMetaImpl.java:175)
at org.apache.arrow.driver.jdbc.ArrowFlightMetaImpl.prepareAndExecute(ArrowFlightMetaImpl.java:209)
at org.apache.arrow.driver.jdbc.shaded.org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:677)
at org.apache.arrow.driver.jdbc.shaded.org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:157)
at org.apache.arrow.driver.jdbc.shaded.org.apache.calcite.avatica.AvaticaStatement.execute(AvaticaStatement.java:218)
in RemoteStatementImpl.execute(RemoteStatementImpl.java:79)
... 3 more
```
Guía de contribución
Línea de trabajo
Comienza en SqlTypes.java, en getSqlTypeIdFromArrowType(), tal como se muestra en el stack trace, y sigue cómo ConvertUtils construye los metadatos de las columnas JDBC. Reproduce la consulta contra la tabla del sistema afectada y, a continuación, verifica que Utf8View se gestione sin la SQLException y que se puedan recuperar los nombres de las columnas.
Escrito por el modelo de indexación a partir del texto del issue.
Evaluación
- Stack tecnológico
- java
- Área
- databases
- Tipo de issue
- Error
- Dificultad
- 3/5
- Tiempo estimado
- 1-2 días
- Estado de actividad
- Estancado
- Claridad
- Bastante claro
- Aptitud para principiantes
- 35/100