SteNicholas opened a new pull request, #375:
URL: https://github.com/apache/flink-table-store/pull/375
Currently, changelog mode cannot support map and multiset as the field type.
More specifically,
- `MULTISET` is not supported at all, including append-only mode. (
```
Caused by: java.lang.UnsupportedOperationException: Unsupported type:
MULTISET<TINYINT>
at
org.apache.flink.table.store.shaded.org.apache.flink.orc.OrcSplitReaderUtil.logicalTypeToOrcType(OrcSplitReaderUtil.java:214)
at
org.apache.flink.table.store.shaded.org.apache.flink.orc.OrcSplitReaderUtil.logicalTypeToOrcType(OrcSplitReaderUtil.java:210)
at
org.apache.flink.table.store.format.orc.OrcFileFormat.createWriterFactory(OrcFileFormat.java:94)
at
org.apache.flink.table.store.file.data.AppendOnlyWriter$RowRollingWriter.lambda$createRollingRowWriter$0(AppendOnlyWriter.java:229)
at
org.apache.flink.table.store.file.writer.RollingFileWriter.openCurrentWriter(RollingFileWriter.java:73)
at
org.apache.flink.table.store.file.writer.RollingFileWriter.write(RollingFileWriter.java:61)
at
org.apache.flink.table.store.file.data.AppendOnlyWriter.write(AppendOnlyWriter.java:108)
at
org.apache.flink.table.store.file.data.AppendOnlyWriter.write(AppendOnlyWriter.java:56)
at
org.apache.flink.table.store.table.AppendOnlyFileStoreTable$3.writeSinkRecord(AppendOnlyFileStoreTable.java:119)
at
org.apache.flink.table.store.table.sink.AbstractTableWrite.write(AbstractTableWrite.java:76)
at
org.apache.flink.table.store.connector.sink.StoreWriteOperator.processElement(StoreWriteOperator.java:124)
... 13 more)
```
Stacktrace
```
java.lang.UnsupportedOperationException
at
org.apache.flink.table.store.codegen.GenerateUtils$.generateCompare(GenerateUtils.scala:139)
at
org.apache.flink.table.store.codegen.GenerateUtils$.$anonfun$generateRowCompare$1(GenerateUtils.scala:289)
at
scala.collection.IndexedSeqOptimized.foreach(IndexedSeqOptimized.scala:32)
at
scala.collection.IndexedSeqOptimized.foreach$(IndexedSeqOptimized.scala:29)
at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:194)
at
org.apache.flink.table.store.codegen.GenerateUtils$.generateRowCompare(GenerateUtils.scala:263)
at
org.apache.flink.table.store.codegen.ComparatorCodeGenerator$.gen(ComparatorCodeGenerator.scala:45)
at
org.apache.flink.table.store.codegen.ComparatorCodeGenerator.gen(ComparatorCodeGenerator.scala)
at
org.apache.flink.table.store.codegen.CodeGeneratorImpl.generateRecordComparator(CodeGeneratorImpl.java:53)
at
org.apache.flink.table.store.codegen.CodeGenUtils.generateRecordComparator(CodeGenUtils.java:66)
at
org.apache.flink.table.store.file.utils.KeyComparatorSupplier.<init>(KeyComparatorSupplier.java:40)
at
org.apache.flink.table.store.file.KeyValueFileStore.<init>(KeyValueFileStore.java:59)
at
org.apache.flink.table.store.table.ChangelogValueCountFileStoreTable.<init>(ChangelogValueCountFileStoreTable.java:73)
at
org.apache.flink.table.store.table.FileStoreTableFactory.create(FileStoreTableFactory.java:70)
at
org.apache.flink.table.store.table.FileStoreTableFactory.create(FileStoreTableFactory.java:50)
at
org.apache.flink.table.store.spark.SimpleTableTestHelper.<init>(SimpleTableTestHelper.java:58)
at
org.apache.flink.table.store.spark.SparkReadITCase.startMetastoreAndSpark(SparkReadITCase.java:93)
```
`GenerateUtils#generateCompare` should support `MULTISET` and `MAP`.
**The brief change log**
- `GenerateUtils#generateCompare` supports `MULTISET` and `MAP`.
- `OrcFileFormat` supports to refine the `MULTISET` to `MAP`.
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