as_nanoarrow_schema: Convert an object to a nanoarrow schema

In nanoarrow: Interface to the 'nanoarrow' 'C' Library

Convert an object to a nanoarrow schema

Description

In nanoarrow a 'schema' refers to a ⁠struct ArrowSchema⁠ as defined in the Arrow C Data interface. This data structure can be used to represent an arrow::schema(), an arrow::field(), or an arrow::DataType. Note that in nanoarrow, an arrow::schema() and a non-nullable arrow::struct() are represented identically.

Usage

as_nanoarrow_schema(x, ...)

infer_nanoarrow_schema(x, ...)

nanoarrow_schema_parse(x, recursive = FALSE)

nanoarrow_schema_modify(x, new_values, validate = TRUE)

Arguments

x	An object to convert to a schema
...	Passed to S3 methods
recursive	Use TRUE to include a children member when parsing schemas.
new_values	New schema component to assign
validate	Use FALSE to skip schema validation

Value

An object of class 'nanoarrow_schema'

Examples

infer_nanoarrow_schema(integer())
infer_nanoarrow_schema(data.frame(x = integer()))

nanoarrow documentation built on Sept. 30, 2023, 1:06 a.m.