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author | Cash Costello <cash.costello@gmail.com> | 2012-07-06 18:22:32 -0400 |
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committer | Cash Costello <cash.costello@gmail.com> | 2012-07-06 18:22:32 -0400 |
commit | e9df0780e7499f983ccb9d346d202343aa1b2c18 (patch) | |
tree | 0ae39043e4a0e85e5af0ff2ecaea26a6759d1d3a /engine/lib/relationships.php | |
parent | 1a3c2c3a1f5eacece62cd25a88d678df5aed65a5 (diff) | |
download | elgg-e9df0780e7499f983ccb9d346d202343aa1b2c18.tar.gz elgg-e9df0780e7499f983ccb9d346d202343aa1b2c18.tar.bz2 |
Fixes #3046 adds documentation for requesting entities that do not have metadata or relationships
Diffstat (limited to 'engine/lib/relationships.php')
-rw-r--r-- | engine/lib/relationships.php | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/engine/lib/relationships.php b/engine/lib/relationships.php index f50c4a485..09d541e22 100644 --- a/engine/lib/relationships.php +++ b/engine/lib/relationships.php @@ -239,6 +239,15 @@ function get_entity_relationships($guid, $inverse_relationship = FALSE) { * Also accepts all options available to elgg_get_entities() and * elgg_get_entities_from_metadata(). * + * To ask for entities that do not have a particulat relationship to an entity, + * use a custom where clause like the following: + * + * $options['wheres'][] = "NOT EXISTS ( + * SELECT 1 FROM {$db_prefix}entity_relationships + * WHERE guid_one = e.guid + * AND relationship = '$relationship' + * )"; + * * @see elgg_get_entities * @see elgg_get_entities_from_metadata * |