mapleFU commented on issue #37840:
URL: https://github.com/apache/arrow/issues/37840#issuecomment-1733412893
The month1 schema is:
```
{
"Version": "1.0",
"CreatedBy": "parquet-cpp-arrow version 8.0.0",
"TotalRows": "1114320",
"NumberOfRowGroups": "1",
"NumberOfRealColumns": "7",
"NumberOfColumns": "7",
"Columns": [
{ "Id": "0", "Name": "dispatching_base_num", "PhysicalType":
"BYTE_ARRAY", "ConvertedType": "UTF8", "LogicalType": {"Type": "String"} },
{ "Id": "1", "Name": "pickup_datetime", "PhysicalType": "INT64",
"ConvertedType": "NONE", "LogicalType": {"Type": "Timestamp",
"isAdjustedToUTC": false, "timeUnit": "microseconds", "is_from_converted_type":
false, "force_set_converted_type": false} },
{ "Id": "2", "Name": "dropOff_datetime", "PhysicalType": "INT64",
"ConvertedType": "NONE", "LogicalType": {"Type": "Timestamp",
"isAdjustedToUTC": false, "timeUnit": "microseconds", "is_from_converted_type":
false, "force_set_converted_type": false} },
{ "Id": "3", "Name": "PUlocationID", "PhysicalType": "DOUBLE",
"ConvertedType": "NONE", "LogicalType": {"Type": "None"} },
{ "Id": "4", "Name": "DOlocationID", "PhysicalType": "DOUBLE",
"ConvertedType": "NONE", "LogicalType": {"Type": "None"} },
{ "Id": "5", "Name": "SR_Flag", "PhysicalType": "INT32",
"ConvertedType": "NONE", "LogicalType": {"Type": "Null"} },
{ "Id": "6", "Name": "Affiliated_base_number", "PhysicalType":
"BYTE_ARRAY", "ConvertedType": "UTF8", "LogicalType": {"Type": "String"} }
],
```
The month6 schema is:
```
{
"Version": "2.6",
"CreatedBy": "parquet-cpp-arrow version 12.0.0",
"TotalRows": "1219445",
"NumberOfRowGroups": "1",
"NumberOfRealColumns": "7",
"NumberOfColumns": "7",
"Columns": [
{ "Id": "0", "Name": "dispatching_base_num", "PhysicalType":
"BYTE_ARRAY", "ConvertedType": "UTF8", "LogicalType": {"Type": "String"} },
{ "Id": "1", "Name": "pickup_datetime", "PhysicalType": "INT64",
"ConvertedType": "NONE", "LogicalType": {"Type": "Timestamp",
"isAdjustedToUTC": false, "timeUnit": "microseconds", "is_from_converted_type":
false, "force_set_converted_type": false} },
{ "Id": "2", "Name": "dropOff_datetime", "PhysicalType": "INT64",
"ConvertedType": "NONE", "LogicalType": {"Type": "Timestamp",
"isAdjustedToUTC": false, "timeUnit": "microseconds", "is_from_converted_type":
false, "force_set_converted_type": false} },
{ "Id": "3", "Name": "PUlocationID", "PhysicalType": "INT64",
"ConvertedType": "NONE", "LogicalType": {"Type": "None"} },
{ "Id": "4", "Name": "DOlocationID", "PhysicalType": "INT64",
"ConvertedType": "NONE", "LogicalType": {"Type": "None"} },
{ "Id": "5", "Name": "SR_Flag", "PhysicalType": "INT64",
"ConvertedType": "NONE", "LogicalType": {"Type": "None"} },
{ "Id": "6", "Name": "Affiliated_base_number", "PhysicalType":
"BYTE_ARRAY", "ConvertedType": "UTF8", "LogicalType": {"Type": "String"} }
],
```
I think the problem raises from the schema mismatch
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