Can't view system tables due to Unsupported ArrowType Utf8View
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Beschreibung
### 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
```
Beitragsleitfaden
Rechercherichtung
Beginnen Sie in SqlTypes.java bei getSqlTypeIdFromArrowType(), wie im Stacktrace gezeigt, und verfolgen Sie, wie ConvertUtils die JDBC-Spaltenmetadaten erstellt. Führen Sie die Abfrage für die betroffene Systemtabelle erneut aus und überprüfen Sie anschließend, dass Utf8View ohne die SQLException verarbeitet wird und dass Spaltennamen abgerufen werden können.
Vom Indexierungsmodell aus dem Issue-Text verfasst.
Bewertung
- Tech-Stack
- java
- Bereich
- databases
- Issue-Typ
- Bug
- Schwierigkeit
- 3/5
- Geschätzter Aufwand
- 1-2 Tage
- Aktivitätsstatus
- Veraltet
- Klarheit
- Größtenteils klar
- Anfängerfreundlichkeit
- 35/100