The DataChain class creates a data chain, which is a sequence of data manipulation
steps such as reading data from storages, running AI or LLM models or calling external
services API to validate or enrich data. See DataChain
for examples of how to create a chain.
::: datachain.query.schema.C
::: datachain.query.schema.Column
::: datachain.lib.dc.DataChain
::: datachain.lib.utils.DataChainError
::: datachain.query.session.Session
::: datachain.lib.dc.Sys