dataframe-expr-serializer

Serialize and deserialize dataframe expressions and pipelines.

Stackage Nightly 2026-08-07:	1.2.0.1
Latest on Hackage:	1.2.0.1

See all snapshots dataframe-expr-serializer appears in

MIT licensed by Michael Chavinda

Maintained by [email protected]

This version can be pinned in stack with:dataframe-expr-serializer-1.2.0.1@sha256:19b61714546313804434763d3f6aa5aa3e74697ef1e74394a47988e2c6494a4c,1913

Module documentation for 1.2.0.1

DataFrame
- DataFrame.Expr
  - DataFrame.Expr.Serialize
- DataFrame.IR
  - DataFrame.IR.ExprJson

Depends on 7 packages(full list with versions):

aeson, base, bytestring, dataframe-core, dataframe-operations, text, vector

Used by 2 packages in nightly-2026-08-07(full list with versions):

dataframe, dataframe-learn

Save fitted Expr values and whole pipelines (ordered [NamedExpr]) to a portable JSON form and reload them for inference — in another Haskell process or from Python, sharing one wire format.

DataFrame.Expr.Serialize is the format-agnostic public API (expression and pipeline encodedecode plus filebytes save-load helpers). DataFrame.IR.ExprJson is the low-level JSON wire codec — the cross-language contract the Python bindings decode against.

Depends only on dataframe-core and dataframe-operations (both pure), so a saved model can be loaded without the CSVParquetArrow stack.