FawnD2 opened a new pull request #9649:
URL: https://github.com/apache/arrow/pull/9649
In parquet-reader there are two ways to output the schema for a Parquet
file: DebugPrint and JSONPrint. When output in JSON format, the Column name is
short name instead of full-qualified name. For example, for schema (1), there
will be 2 Columns with `"Name": "key"`. That's very confusing.
In this PR we start using full-qualified name for Column in JSONPrint
instead of short name, similar to DebugPrint.
(1):
```
required group field_id=0 spark_schema {
optional group field_id=1 a (Map) {
repeated group field_id=2 key_value {
required binary field_id=3 key (String);
optional group field_id=4 value (Map) {
repeated group field_id=5 key_value {
required int32 field_id=6 key;
required boolean field_id=7 value;
}
}
}
}
}
```
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