zouyunhe created FLINK-20248:
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Summary: `ParquetSchemaConverter` can not convert Array type to
parquet Type
Key: FLINK-20248
URL: https://issues.apache.org/jira/browse/FLINK-20248
Project: Flink
Issue Type: Bug
Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
Affects Versions: 1.11.2
Reporter: zouyunhe
Run a simple code as below
{code:java}
Type arraySchema =
ParquetSchemaConverter.toParquetType(Types.OBJECT_ARRAY(Types.INT), true);
System.out.println(arraySchema);{code}
which use `ParquetSchemaConverter` to convert array[Int] type to parquet Type,
and the exception will throw
{code:java}
java.lang.ClassCastException: org.apache.parquet.schema.PrimitiveType cannot be
cast to org.apache.parquet.schema.GroupTypejava.lang.ClassCastException:
org.apache.parquet.schema.PrimitiveType cannot be cast to
org.apache.parquet.schema.GroupType
at
org.apache.flink.formats.parquet.utils.ParquetSchemaConverter.convertField(ParquetSchemaConverter.java:374)
at
org.apache.flink.formats.parquet.utils.ParquetSchemaConverter.toParquetType(ParquetSchemaConverter.java:74)
at
org.apache.flink.formats.parquet.utils.ParquetSchemaConverterTest.testArrayTypeConversion(ParquetSchemaConverterTest.java:113)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
{code}
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