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| author | Vipul A M <vipulnsward@gmail.com> | 2016-04-09 14:31:15 +0530 |
|---|---|---|
| committer | Vipul A M <vipulnsward@gmail.com> | 2016-08-09 14:14:53 +0530 |
| commit | 0ee88bf1e780bb36e5c7b0237c43edf79c10bcff (patch) | |
| tree | 20e5917dfd7928981701737267fcf7416dca7334 /guides/source | |
| parent | 92e20f398e3dbe8130f8d764701a195c14653e66 (diff) | |
| download | rails-0ee88bf1e780bb36e5c7b0237c43edf79c10bcff.tar.gz rails-0ee88bf1e780bb36e5c7b0237c43edf79c10bcff.tar.bz2 rails-0ee88bf1e780bb36e5c7b0237c43edf79c10bcff.zip | |
Document know limitation about using `references` in conjunction with eager loading causing it to ignore custom select clauses.
[ci skip]
Fixes #24314
Diffstat (limited to 'guides/source')
| -rw-r--r-- | guides/source/active_record_querying.md | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/guides/source/active_record_querying.md b/guides/source/active_record_querying.md index 8ffd0d033d..6f941d0e4e 100644 --- a/guides/source/active_record_querying.md +++ b/guides/source/active_record_querying.md @@ -1251,8 +1251,9 @@ articles, all the articles would still be loaded. By using `joins` (an INNER JOIN), the join conditions **must** match, otherwise no records will be returned. - - +NOTE: If an association is eager loaded as part of a join, any fields from a custom select clause will not present be on the loaded models. +This is because it is ambiguous whether they should appear on the parent record, or the child. + Scopes ------ |