]> git.ipfire.org Git - thirdparty/postgresql.git/commit
projects / thirdparty / postgresql.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 820b1d1) | patch
doc: add examples of creative use of unique expression indexes
authorBruce Momjian <bruce@momjian.us>
Fri, 27 Dec 2019 19:49:08 +0000 (14:49 -0500)
committerBruce Momjian <bruce@momjian.us>
Fri, 27 Dec 2019 19:49:08 +0000 (14:49 -0500)
commit645694731ca9526bfcb976ae7be17b9bd8de6294
tree15ea89f6830556b42ae14a05a5153dbc5b0e22e5tree | snapshot
parent820b1d1a48afca43bf3a1ff45b36ef0ded55dfffcommit | diff
doc:  add examples of creative use of unique expression indexes

Unique expression indexes can constrain data in creative ways, so show
two examples.

Reported-by: Tuomas Leikola
Discussion: https://postgr.es/m/156760275564.1127.12321702656456074572@wrigleys.postgresql.org

Backpatch-through: 9.4
doc/src/sgml/indices.sgml diff | blob | blame | history
Mirror of https://git.postgresql.org/git/postgresql.git