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| author | Bruce Momjian <bruce@momjian.us> | 2019-12-27 14:49:08 -0500 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2019-12-27 14:49:08 -0500 |
| commit | a9760d0f3cb523336b5fdd9d6c5985e39a8588a1 (patch) | |
| tree | 65a338789f24bb5104da2b4c7ecfdcfc5e2334b1 /src/backend/access/gist/gistxlog.c | |
| parent | 650692a18d29c44c8019545c02ba42c3efd2c964 (diff) | |
| download | postgresql-a9760d0f3cb523336b5fdd9d6c5985e39a8588a1.tar.gz | |
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
Diffstat (limited to 'src/backend/access/gist/gistxlog.c')
0 files changed, 0 insertions, 0 deletions