FeatherReader: FeatherReader class
In arrow: Integration to 'Apache' 'Arrow'
FeatherReader R Documentation
FeatherReader class
Description
This class enables you to interact with Feather files. Create
one to connect to a file or other InputStream, and call Read() on it to
make an arrow::Table. See its usage in read_feather().
Factory
The FeatherReader$create() factory method instantiates the object and
takes the following argument:
-
file an Arrow file connection object inheriting from RandomAccessFile.
Methods
-
$Read(columns): Returns a Table of the selected columns, a vector of
integer indices
-
$column_names: Active binding, returns the column names in the Feather file
-
$schema: Active binding, returns the schema of the Feather file
-
$version: Active binding, returns 1 or 2, according to the Feather
file version
arrow documentation built on Sept. 11, 2024, 8:02 p.m.
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| FeatherReader | R Documentation |
FeatherReader class
Description
This class enables you to interact with Feather files. Create
one to connect to a file or other InputStream, and call Read() on it to
make an arrow::Table. See its usage in read_feather().
Factory
The FeatherReader$create() factory method instantiates the object and
takes the following argument:
-
filean Arrow file connection object inheriting fromRandomAccessFile.
Methods
-
$Read(columns): Returns aTableof the selected columns, a vector of integer indices -
$column_names: Active binding, returns the column names in the Feather file -
$schema: Active binding, returns the schema of the Feather file -
$version: Active binding, returns1or2, according to the Feather file version
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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