An off-heap reference implementation for Arrow columnar data format.

Fastjson is a JSON processor (JSON parser + JSON generator) written in Java

Spark SQL is Apache Spark's module for working with structured data based on DataFrames.

Spark Hive

Spark Catalyst

Hive Serde

BigQuery

Legend Engine XT Relational Store Execution Plan

Flink : Python

Fastjson is a JSON processor (JSON parser + JSON generator) written in Java

Agent Development Kit: an open-source, code-first toolkit designed to simplify building, evaluating, and deploying advanced AI agents anywhere.