ExArrow.Schema (ex_arrow v0.6.0)

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Arrow schema handle (opaque reference to native schema).

Holds metadata (field names, types, and nullability) for a table or record batch. Data lives in native memory; this module provides a stable handle and Elixir-friendly accessors for small metadata.

Summary

Types

t()

Functions

field_names(schema)

Returns just the field names of the schema as a list of strings.

fields(schema)

Returns the list of fields in the schema (Elixir structs).

Types

t()

@opaque t()

Functions

field_names(schema)

@spec field_names(t()) :: [String.t()]

Returns just the field names of the schema as a list of strings.

fields(schema)

@spec fields(t()) :: [ExArrow.Field.t()]

Returns the list of fields in the schema (Elixir structs).

Each field includes name, type, and nullable.