[jira] [Assigned] (ARROW-7996) [Python] Error serializing empty pandas DataFrame with pyarrow
[
https://issues.apache.org/jira/browse/ARROW-7996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wes McKinney reassigned ARROW-7996:
---
Assignee: Wenjun Si
> [Python] Error serializing empty pandas DataFrame with pyarrow
> --
>
> Key: ARROW-7996
> URL: https://issues.apache.org/jira/browse/ARROW-7996
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
>Affects Versions: 0.16.0
>Reporter: Juan David Agudelo
>Assignee: Wenjun Si
>Priority: Major
> Labels: serialization
> Fix For: 0.17.0
>
>
> The following code does not work:
>
> {code:python}
> import pandas
> import pyarrow
> df = pandas.DataFrame({"timestamp": [], "value_123": [], "context_123": []})
> data = [df]
> context = pyarrow.default_serialization_context()
> serialized_data = context.serialize(data)
> file_path = "file.txt"
> with open(file_path, "wb") as f:
> serialized_data.write_to(f)
> with open(file_path, "rb") as f:
> context = pyarrow.default_serialization_context()
> decoded_data = context.deserialize(f.read())
> {code}
> Throws the following error:
> {code:java}
> ArrowInvalid: strides must not involve buffer over run{code}
> I am using Python 3.6.9 in Ubuntu 18.04 and the version of pyarrow is 0.16.0.
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[jira] [Assigned] (ARROW-7996) [Python] Error serializing empty pandas DataFrame with pyarrow
[
https://issues.apache.org/jira/browse/ARROW-7996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Joris Van den Bossche reassigned ARROW-7996:
Assignee: Joris Van den Bossche
> [Python] Error serializing empty pandas DataFrame with pyarrow
> --
>
> Key: ARROW-7996
> URL: https://issues.apache.org/jira/browse/ARROW-7996
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
>Affects Versions: 0.16.0
>Reporter: Juan David Agudelo
>Assignee: Joris Van den Bossche
>Priority: Major
> Labels: serialization
> Fix For: 0.17.0
>
>
> The following code does not work:
>
> {code:python}
> import pandas
> import pyarrow
> df = pandas.DataFrame({"timestamp": [], "value_123": [], "context_123": []})
> data = [df]
> context = pyarrow.default_serialization_context()
> serialized_data = context.serialize(data)
> file_path = "file.txt"
> with open(file_path, "wb") as f:
> serialized_data.write_to(f)
> with open(file_path, "rb") as f:
> context = pyarrow.default_serialization_context()
> decoded_data = context.deserialize(f.read())
> {code}
> Throws the following error:
> {code:java}
> ArrowInvalid: strides must not involve buffer over run{code}
> I am using Python 3.6.9 in Ubuntu 18.04 and the version of pyarrow is 0.16.0.
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[jira] [Assigned] (ARROW-7996) [Python] Error serializing empty pandas DataFrame with pyarrow
[
https://issues.apache.org/jira/browse/ARROW-7996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Joris Van den Bossche reassigned ARROW-7996:
Assignee: (was: Joris Van den Bossche)
> [Python] Error serializing empty pandas DataFrame with pyarrow
> --
>
> Key: ARROW-7996
> URL: https://issues.apache.org/jira/browse/ARROW-7996
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
>Affects Versions: 0.16.0
>Reporter: Juan David Agudelo
>Priority: Major
> Labels: serialization
> Fix For: 0.17.0
>
>
> The following code does not work:
>
> {code:python}
> import pandas
> import pyarrow
> df = pandas.DataFrame({"timestamp": [], "value_123": [], "context_123": []})
> data = [df]
> context = pyarrow.default_serialization_context()
> serialized_data = context.serialize(data)
> file_path = "file.txt"
> with open(file_path, "wb") as f:
> serialized_data.write_to(f)
> with open(file_path, "rb") as f:
> context = pyarrow.default_serialization_context()
> decoded_data = context.deserialize(f.read())
> {code}
> Throws the following error:
> {code:java}
> ArrowInvalid: strides must not involve buffer over run{code}
> I am using Python 3.6.9 in Ubuntu 18.04 and the version of pyarrow is 0.16.0.
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