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Posted to jira@arrow.apache.org by "ARF (Jira)" <ji...@apache.org> on 2021/02/17 18:34:00 UTC
[jira] [Created] (ARROW-11678) Broken round-trip with
ParquetWriter.write_table -> read_table -> ParquetWriter.write_table
ARF created ARROW-11678:
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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}}
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