Schemas are an impediment to moving fast the same way street lights are.
Useless if you are alone, critical when there are a 100's of you.
	- Dmitriy Ryaboy

Synopsis:
	SetSpace extracts and puts facts about immutable blobs into PostgreSQL

See Also:
	The Value of Values by Rich Hickey

		https://www.youtube.com/watch?v=-6BsiVyC1kM

Rememeber:
	ERROR:  index row size 5296 exceeds btree version 4 maximum 2704 
	for index "jsonb_255_key_set_pkey"

	#
	#  SMC: generalization of the jaccard metric, particularly suitable for
	#  boolean attributes.
	#
	https://en.wikipedia.org/wiki/Simple_matching_coefficient

Example Schemas:
	jsonorg		json as defined by the program JSON_checker at json.org

	pdfbox2		pdfbox.apache.org tables, version 2

	libxml2		libxml2 library for xml documents

	fffile		well known Unix "Fine Free File" command

	pgtexts		postgreSQL text search

	expat2		xml libexpat, version 2

	pgtexts		PostgreSQL Text Search

	whatwg		web standard (like url) implementations
				https://github.com/whatwg/url
See:
	https://github.com/jmscott/setspace/tree/master/schema
	https://github.com/jmscott/blobio
	https://github.com/jmscott/blobio/tree/master/flowd
	https://github.com/lemire/simdjson
	Pg::SQL::PrettyPrinter