fn identity_pipeline_inner(
pipeline_maps: Vec<Value>,
pipeline_ctx: &PipelineContext<'_>,
max_nested_levels: usize,
) -> Result<(SchemaInfo, HashMap<ContextOpt, Vec<Row>>)>fn identity_pipeline_inner(
pipeline_maps: Vec<Value>,
pipeline_ctx: &PipelineContext<'_>,
max_nested_levels: usize,
) -> Result<(SchemaInfo, HashMap<ContextOpt, Vec<Row>>)>