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FeatherReader class

Source:R/feather.R
FeatherReader.Rd

This class enables you to interact with Feather files. Createone to connect to a file or other InputStream, and callRead() on it tomake anarrow::Table. See its usage inread_feather().

Factory

TheFeatherReader$create() factory method instantiates the object andtakes the following argument:

  • file an Arrow file connection object inheriting fromRandomAccessFile.

Methods

  • $Read(columns): Returns aTable of the selected columns, a vector ofinteger 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, returns1 or2, according to the Featherfile version


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