Clarify that cross-row constraints are unsupported

Alvaro Herrera <alvherre@alvh.no-ip.org>

Commit: 36d442a25a1aed39d2c7c3fb24c22640a9a6545d
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Date: 2018-11-26T15:38:19Z
Releases: 12.0
Clarify that cross-row constraints are unsupported

Maybe we'll implement them later, or maybe not, but let's make the statu
quo clear for now.

Author: Lætitia Avrot, Patrick Francelle
Reviewers: too many to list
Discussion: https://postgr.es/m/CAB_COdhUuzNFOJfc7SNNso5rOuVA3ui93KMVunEM8Yih+K5A6A@mail.gmail.com

Files

PathChange+/−
doc/src/sgml/ddl.sgml modified +27 −0
doc/src/sgml/ref/create_table.sgml modified +2 −1

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