[ https://issues.apache.org/jira/browse/ARROW-1276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wes McKinney resolved ARROW-1276. --------------------------------- Resolution: Fixed Issue resolved by pull request 906 [https://github.com/apache/arrow/pull/906] > Cannot serializer empty DataFrame to parquet > -------------------------------------------- > > Key: ARROW-1276 > URL: https://issues.apache.org/jira/browse/ARROW-1276 > Project: Apache Arrow > Issue Type: Bug > Components: Python > Affects Versions: 0.5.0 > Reporter: Marco Neumann > Assignee: Marco Neumann > Priority: Minor > Fix For: 0.6.0 > > > The following code fails with {{pyarrow.lib.ArrowInvalid: Invalid: chunk size > per row_group must be greater than 0}} but should not: > {noformat} > import pandas as pd > import pyarrow as pa > import pyarrow.parquet as pq > df = pd.DataFrame({'x': pd.Series([], dtype=int)}) > table = pa.Table.from_pandas(df) > buf = pa.InMemoryOutputStream() > pq.write_table(table, buf) > {noformat} > I have a test and a fix prepared and will upstream both in the upcoming days. -- This message was sent by Atlassian JIRA (v6.4.14#64029)