doc: split out the NATURAL/CROSS JOIN in SELECT syntax

Bruce Momjian <bruce@momjian.us>

Commit: c2db84fc596c2007b2185140d1f283bab42b59e7
Author: Bruce Momjian <bruce@momjian.us>
Date: 2022-09-01T01:46:26Z
Releases: 12.13
doc:  split out the NATURAL/CROSS JOIN in SELECT syntax

This allows the syntax to be more accurate about what clauses are
supported.  Also switch an example query to use the ANSI join syntax.

Reported-by: Joel Jacobson

Discussion: https://postgr.es/m/67b71d3e-0c22-44df-a223-351f14418319@www.fastmail.com

Backpatch-through: 11

Files

PathChange+/−
doc/src/sgml/ref/select.sgml modified +24 −22

Documentation touched