[jira] [Assigned] (ARROW-1998) [Python] Table.from_pandas crashes when data frame is empty
[ https://issues.apache.org/jira/browse/ARROW-1998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Phillip Cloud reassigned ARROW-1998: Assignee: Phillip Cloud > [Python] Table.from_pandas crashes when data frame is empty > --- > > Key: ARROW-1998 > URL: https://issues.apache.org/jira/browse/ARROW-1998 > Project: Apache Arrow > Issue Type: Bug > Components: Python >Affects Versions: 0.8.0 > Environment: Windows 10 Build 15063.850 > Python: 3.6.3 > Numpy: 1.14.0 > Pandas: 0.22.0 >Reporter: Victor Jimenez >Assignee: Phillip Cloud >Priority: Major > Fix For: 0.9.0 > > > Loading an empty CSV file, and then attempting to create a PyArrow Table from > it makes the application crash. The following code should be able to > reproduce the issue: > {code} > import numpy as np > import pandas as pd > import pyarrow as pa > FIELDS = ['id', 'name'] > NUMPY_TYPES = { > 'id': np.int64, > 'name': np.unicode > } > PYARROW_SCHEMA = pa.schema([ > pa.field('id', pa.int64()), > pa.field('name', pa.string()) > ]) > file = open('input.csv', 'w') > file.close() > df = pd.read_csv( > 'input.csv', > header=None, > names=FIELDS, > dtype=NUMPY_TYPES, > engine='c', > ) > pa.Table.from_pandas(df, schema=PYARROW_SCHEMA) > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Assigned] (ARROW-1998) [Python] Table.from_pandas crashes when data frame is empty
[ https://issues.apache.org/jira/browse/ARROW-1998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Antoine Pitrou reassigned ARROW-1998: - Assignee: Antoine Pitrou (was: Phillip Cloud) > [Python] Table.from_pandas crashes when data frame is empty > --- > > Key: ARROW-1998 > URL: https://issues.apache.org/jira/browse/ARROW-1998 > Project: Apache Arrow > Issue Type: Bug > Components: Python >Affects Versions: 0.8.0 > Environment: Windows 10 Build 15063.850 > Python: 3.6.3 > Numpy: 1.14.0 > Pandas: 0.22.0 >Reporter: Victor Jimenez >Assignee: Antoine Pitrou >Priority: Major > Fix For: 0.9.0 > > > Loading an empty CSV file, and then attempting to create a PyArrow Table from > it makes the application crash. The following code should be able to > reproduce the issue: > {code} > import numpy as np > import pandas as pd > import pyarrow as pa > FIELDS = ['id', 'name'] > NUMPY_TYPES = { > 'id': np.int64, > 'name': np.unicode > } > PYARROW_SCHEMA = pa.schema([ > pa.field('id', pa.int64()), > pa.field('name', pa.string()) > ]) > file = open('input.csv', 'w') > file.close() > df = pd.read_csv( > 'input.csv', > header=None, > names=FIELDS, > dtype=NUMPY_TYPES, > engine='c', > ) > pa.Table.from_pandas(df, schema=PYARROW_SCHEMA) > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)