Field class — Field • Arrow R Package

field() lets you create an arrow::Field that maps a DataType to a column name. Fields are contained in Schemas.

Usage

field(name, type, metadata, nullable = TRUE)

Arguments

name: field name
type: logical type, instance of DataType
metadata: currently ignored
nullable: TRUE if field is nullable

Methods

f$ToString(): convert to a string
f$Equals(other): test for equality. More naturally called as f == other

Examples

field("x", int32())
#> Field
#> x: int32