[
https://issues.apache.org/jira/browse/ARROW-7719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
ASF GitHub Bot updated ARROW-7719:
----------------------------------
Labels: pull-request-available (was: )
> [Python][Dataset] Table equality check occasionally fails
> ---------------------------------------------------------
>
> Key: ARROW-7719
> URL: https://issues.apache.org/jira/browse/ARROW-7719
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Krisztian Szucs
> Assignee: Krisztian Szucs
> Priority: Major
> Labels: pull-request-available
>
> Failing build
> https://dev.azure.com/ursa-labs/crossbow/_build/results?buildId=5843&view=logs&j=0da5d1d9-276d-5173-c4c4-9d4d4ed14fdb&t=6c939d89-0d1a-51f2-8b30-091a7a82e98c&l=265
> {code}
> def _check_dataset_from_path(path, table, **kwargs):
> import pathlib
>
> # pathlib object
> assert isinstance(path, pathlib.Path)
> dataset = ds.dataset(ds.source(path, **kwargs))
> assert dataset.schema.equals(table.schema, check_metadata=False)
> result = dataset.to_table()
> assert result.replace_schema_metadata().equals(table)
>
> # string path
> dataset = ds.dataset(ds.source(str(path), **kwargs))
> assert dataset.schema.equals(table.schema, check_metadata=False)
> result = dataset.to_table()
> > assert result.replace_schema_metadata().equals(table)
> E AssertionError: assert False
> E + where False = <built-in method equals of pyarrow.lib.Table object
> at 0x7fecacf0cab0>(pyarrow.Table\na: int64\nb: double)
> E + where <built-in method equals of pyarrow.lib.Table object at
> 0x7fecacf0cab0> = pyarrow.Table\na: int64\nb: double.equals
> E + where pyarrow.Table\na: int64\nb: double = <built-in method
> replace_schema_metadata of pyarrow.lib.Table object at 0x7fecacf0c990>()
> E + where <built-in method replace_schema_metadata of
> pyarrow.lib.Table object at 0x7fecacf0c990> = pyarrow.Table\na: int64\nb:
> double\nmetadata\n--------\nOrderedDict([(b'ARROW:schema',\n
> b'/////7AAAAAQAAAAAAAK...AAQAAAAAAAB'\n
> b'AiQAAAAUAAAABAAAAAAAAAAIAAwACAAHAAgAAAAAAAABQAAAAAEAAABhAAAA'\n
> b'AAAAAA==')]).replace_schema_metadata
> {code}
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