mongodb-labs / mongo-arrow

MongoDB integrations for Apache Arrow. Export MongoDB documents to numpy array, parquet files, and pandas dataframes in one line of code.

https://mongo-arrow.readthedocs.io

mongodb-labs/mongo-arrow Issues

Add an optional bool flag to the `write` function to skip writing `null` fields
Updated a month ago1
[documentation update request / feature request] `write` supported types
Closed a month ago
Trouble reading documents with empty embedded arrays
Updated a month ago1
undefined symbol: _ZN5arrow6StatusC1ENS_10StatusCodeERKSs with airflow 2.8.1
Updated a month ago1
Support for Tool
Closed 2 months ago1
MongoDB's Decimal128 seems to be returned as fixed_size_binary[16]
Updated 2 months ago3
Does mongo-arrow provide real zero copy in the chain mongodb->arrow->pandas?
Updated 3 months ago3
How to define data type for uuid and array types
Closed 3 months ago7
Can `find_all_pandas` treat list of struct as nested dataframe?
Updated 3 months ago1
aggregate_arrow_all(...) >four times slower in version 1.0.2 compared to 1.0.1 with fields objects
Updated 3 months ago5
Casting timestamp in find_panads_all()
Updated 3 months ago1
Nested Data With Schema ERRor
Closed 6 months ago
java version
Closed 6 months ago1
Any chance you could fix the docs?
Closed 8 months ago4
ARROW-175 Bug: nested data seems to be decoded even if not in schema
Closed a year ago3
Documentation should describe advantages over DataFrame constructor (of Pandas)
Closed a year ago6
Bug: find_arrow_all in version 1.0.1 returns wrong schema for nested bson.ObjectId while bson.ObjectId on root level works as documented
Closed a year ago2
Ability to query _id as string if it is of type ObjectId (e.g. "63fcb5aa5e1d7530a517dc44")
Closed a year ago1
AttributeError: 'pyarrow.lib.DataType' object has no attribute '_type_marker'
Closed a year ago1
ARROW-134 bson.errors.InvalidDocument: cannot encode object: <NA>, of type: <class 'pandas._libs.missing.NAType'>
Closed a year ago3
bson_iter_type(): precondition failed: iter->raw on find_pandas_all()
Closed a year ago6
Dataframe is all Nat and None after loading
Updated a year ago6
pymongoarrow does not return nested fields
Closed a year ago2
is self contained installation possible?
Closed a year ago3
0.6.2 pypi release is missing source distribution
Closed 2 years ago2
Support for other data types?
Closed 2 years ago2
Could not find compiled pymongoarrow.lib extension, please install
Closed 2 years ago7
This library has not been compiled
Closed 2 years ago8
TypeError: <lambda>() takes 0 positional arguments but 1 was given
Closed 2 years ago2
Compatibility with PyMongo 4.0?
Closed 2 years ago3
Is the Schema support pyarrow.string() Type ?
Closed 3 years ago7