From: Tom Lane Date: Thu, 6 May 2021 13:59:11 +0000 (-0400) Subject: Doc: trivial wording adjustment. X-Git-Tag: REL_14_BETA1~80 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c38cadc0907a8d071b043b2b32b83efa09db38ea;p=thirdparty%2Fpostgresql.git Doc: trivial wording adjustment. Improve self-referential foreign key example, per suggestion from David Johnston. Discussion: https://postgr.es/m/CAKFQuwZTke7+HUn4YUGqu2+gAPi4Cy18TXMrg_Z5nADkxfPNMw@mail.gmail.com --- diff --git a/doc/src/sgml/ddl.sgml b/doc/src/sgml/ddl.sgml index 513112a216d..b4648321dc4 100644 --- a/doc/src/sgml/ddl.sgml +++ b/doc/src/sgml/ddl.sgml @@ -956,7 +956,7 @@ CREATE TABLE tree ( ); A top-level node would have NULL parent_id, - but non-NULL parent_id entries would be + while non-NULL parent_id entries would be constrained to reference valid rows of the table.