ARF created ARROW-11678: --------------------------- Summary: Broken round-trip with ParquetWriter.write_table -> read_table -> ParquetWriter.write_table Key: ARROW-11678 URL: https://issues.apache.org/jira/browse/ARROW-11678 Project: Apache Arrow Issue Type: Improvement Components: Python Affects Versions: 3.0.0 Reporter: ARF
Round-tripping with ParquetWriter.write_table() -> pyarrow.parquet.read_table() -> ParquetWriter.write_table() is broken: {color:#af00db}import{color}{color:#000000} {color}{color:#267f99}pyarrow{color}{color:#000000} {color}{color:#af00db}as{color}{color:#000000} {color}{color:#267f99}pa{color} {color:#af00db}import{color}{color:#000000} {color}{color:#267f99}pyarrow{color}{color:#000000}.{color}{color:#267f99}parquet{color}{color:#000000} {color}{color:#af00db}as{color}{color:#000000} {color}{color:#267f99}pq{color} {color:#001080}schema{color}{color:#000000} = {color}{color:#267f99}pa{color}{color:#000000}.schema({{color} {color:#000000} {color}{color:#a31515}'code'{color}{color:#000000}: {color}{color:#267f99}pa{color}{color:#000000}.uint32(),{color} {color:#000000}}){color} {color:#af00db}with{color}{color:#000000} {color}{color:#267f99}pq{color}{color:#000000}.{color}{color:#267f99}ParquetWriter{color}{color:#000000}({color}{color:#a31515}'test_metadata.parquet'{color}{color:#000000}, {color}{color:#001080}schema{color}{color:#000000}) {color}{color:#af00db}as{color}{color:#000000} {color}{color:#001080}pqwriter{color}{color:#000000}:{color} {color:#000000} {color}{color:#001080}code{color}{color:#000000} = {color}{color:#098658}111000{color} {color:#000000} {color}{color:#001080}table{color}{color:#000000} = {color}{color:#267f99}pa{color}{color:#000000}.Table.from_pydict({{color} {color:#000000} {color}{color:#a31515}'code'{color}{color:#000000}: {color}{color:#267f99}pa{color}{color:#000000}.nulls({color}{color:#098658}10{color}{color:#000000}, {color}{color:#001080}schema{color}{color:#000000}.field({color}{color:#a31515}'code'{color}{color:#000000}).type).fill_null({color}{color:#001080}code{color}{color:#000000}),{color} {color:#000000} }){color} {color:#000000} {color}{color:#001080}pqwriter{color}{color:#000000}.{color}{color:#795e26}write_table{color}{color:#000000}({color}{color:#001080}table{color}{color:#000000}){color} {color:#001080}existing_table{color}{color:#000000} = {color}{color:#267f99}pq{color}{color:#000000}.{color}{color:#795e26}read_table{color}{color:#000000}({color}{color:#a31515}'test_metadata.parquet'{color}{color:#000000}){color} {color:#af00db}with{color}{color:#000000} {color}{color:#267f99}pq{color}{color:#000000}.{color}{color:#267f99}ParquetWriter{color}{color:#000000}({color}{color:#a31515}'test_metadata.parquet'{color}{color:#000000}, {color}{color:#001080}schema{color}{color:#000000}) {color}{color:#af00db}as{color}{color:#000000} {color}{color:#001080}pqwriter{color}{color:#000000}:{color} {color:#000000} {color}{color:#001080}pqwriter{color}{color:#000000}.{color}{color:#795e26}write_table{color}{color:#000000}({color}{color:#001080}existing_table{color}{color:#000000}){color} ---- *Error Message:* {{ValueError: Table schema does not match schema used to create file:}} {{table:}} {{code: int64}} {{ -- field metadata --}} {{ PARQUET:field_id: '1' vs.}} {{file:}} {{code: uint32}} -- This message was sent by Atlassian Jira (v8.3.4#803005)