Cheng Lian created PARQUET-364:
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Summary: Parque-avro cannot decode Avro array of primitive array
(e.g. array<array<int>>)
Key: PARQUET-364
URL: https://issues.apache.org/jira/browse/PARQUET-364
Project: Parquet
Issue Type: Bug
Components: parquet-mr
Affects Versions: 1.8.0, 1.7.0, 1.6.0, 1.5.0
Reporter: Cheng Lian
The following Avro schema
{noformat}
record AvroNonNullableArrays {
array<array<int>> int_arrays_column;
}
{noformat}
is translated into the following Parquet schema by parquet-avro 1.7.0:
{noformat}
message root {
required group int_arrays_column (LIST) {
repeated group array (LIST) {
repeated int32 array;
}
}
}
{noformat}
{{AvroIndexedRecordConverter}} cannot decode such records correctly. The reason
is that the 2nd level repeated group {{array}} doesn't pass
{{AvroIndexedRecordConverter.isElementType()}} check. We probably should check
for field name "array" in {{isElementType()}} to fix this issue.
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