yggdrasil.io.delta.schema_codec¶
schema_codec ¶
Delta schema-string codec using yggdrasil's Field/DataType system.
Delta stores schemas as Spark StructType.json(). This module
converts between that wire format and yggdrasil's type system
(:class:Schema, :class:Field, :class:DataType), which then
projects to any target (Arrow, Spark, Polars, pandas) on demand.
Arrow is not privileged — it's just another projection target.