doc: mention dependency on collation libraries
authorBruce Momjian
Sat, 2 Jul 2016 15:22:36 +0000 (11:22 -0400)
committerBruce Momjian
Sat, 2 Jul 2016 15:22:36 +0000 (11:22 -0400)
commit2dc7da91054ee5135fae35fafe60bf2803d4d836
treec56f4c1a7970238d73b7334b2f0735ad6c6d0fee
parentb25d87f91d39eb8aff259766141ddd2d2d374b41
doc: mention dependency on collation libraries

Document that index storage is dependent on the operating system's
collation library ordering, and any change in that ordering can create
invalid indexes.

Discussion: 20160617154311[email protected]

Backpatch-through: 9.1
doc/src/sgml/runtime.sgml