SQL/JSON in PostgreSQL is online now
It is possible to play with future SQL/JSON features:
1. Web interface to Postgres 10 + SQL/JSON - http://sqlfiddle.postgrespro.ru/#!21/
2. SQL to play with - https://github.com/postgrespro/sqljson/blob/sqljson/src/test/regress/expected/sql_json.out
3. You may compile sql/json branch yourself - https://github.com/postgrespro/sqljson/
Also, we are working on SQL/JSON primer and need your help ! Please, let me know (obartunov@postgrespro.ru), if you want to help us writing the primer.
1. Web interface to Postgres 10 + SQL/JSON - http://sqlfiddle.postgrespro.ru/#!21/
2. SQL to play with - https://github.com/postgrespro/sqljson/blob/sqljson/src/test/regress/expected/sql_json.out
3. You may compile sql/json branch yourself - https://github.com/postgrespro/sqljson/
Also, we are working on SQL/JSON primer and need your help ! Please, let me know (obartunov@postgrespro.ru), if you want to help us writing the primer.