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(parent: 3feb6ac) | patch
Add reusable routine for making arrays unique.
authorThomas Munro <tmunro@postgresql.org>
Thu, 7 Nov 2019 03:51:04 +0000 (16:51 +1300)
committerThomas Munro <tmunro@postgresql.org>
Thu, 7 Nov 2019 04:00:48 +0000 (17:00 +1300)
commit7815e7efdb4ce9575b5d8460beb0dd2569d7ca3a
treedc3d1795259ab8c2dafc371cbd89725b43abc2datree
parent3feb6ace7cfe8edbf6db702de06dc9295f307a8ecommit | diff
Add reusable routine for making arrays unique.

Introduce qunique() and qunique_arg(), which can be used after qsort()
and qsort_arg() respectively to remove duplicate values.  Use it where
appropriate.

Author: Thomas Munro
Reviewed-by: Tom Lane (in an earlier version)
Discussion: https://postgr.es/m/CAEepm%3D2vmFTNpAmwbGGD2WaryM6T3hSDVKQPfUwjdD_5XY6vAA%40mail.gmail.com
13 files changed:
contrib/hstore/hstore_io.c diff | blob | blame | history
contrib/intarray/_int_tool.c diff | blob | blame | history
contrib/pg_trgm/trgm_op.c diff | blob | blame | history
src/backend/access/nbtree/nbtutils.c diff | blob | blame | history
src/backend/executor/nodeTidscan.c diff | blob | blame | history
src/backend/utils/adt/acl.c diff | blob | blame | history
src/backend/utils/adt/tsgistidx.c diff | blob | blame | history
src/backend/utils/adt/tsquery_op.c diff | blob | blame | history
src/backend/utils/adt/tsvector.c diff | blob | blame | history
src/backend/utils/adt/tsvector_op.c diff | blob | blame | history
src/backend/utils/adt/txid.c diff | blob | blame | history
src/backend/utils/cache/syscache.c diff | blob | blame | history
src/include/lib/qunique.h [new file with mode: 0644] blob
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