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| author | GitLab Bot <gitlab-bot@gitlab.com> | 2020-07-31 15:10:02 +0300 |
|---|---|---|
| committer | GitLab Bot <gitlab-bot@gitlab.com> | 2020-07-31 15:10:02 +0300 |
| commit | 2f2c8f84bf1dd181f28f71505c6216f34d67532e (patch) | |
| tree | 350d9edd3f9e9bc6c003851ec55b15c499fdedf4 /doc/development/sql.md | |
| parent | 9c15dfa1ef3b13fd9c1596e0c6be971405f376ab (diff) | |
Add latest changes from gitlab-org/gitlab@master
Diffstat (limited to 'doc/development/sql.md')
| -rw-r--r-- | doc/development/sql.md | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/doc/development/sql.md b/doc/development/sql.md index d584a26e455..3b969c7d27a 100644 --- a/doc/development/sql.md +++ b/doc/development/sql.md @@ -218,9 +218,9 @@ Project.select(:id, :user_id).joins(:merge_requests) ## Plucking IDs -This can't be stressed enough: **never** use ActiveRecord's `pluck` to pluck a -set of values into memory only to use them as an argument for another query. For -example, this will make the database **very** sad: +Never use ActiveRecord's `pluck` to pluck a set of values into memory only to +use them as an argument for another query. For example, this will execute an +extra unecessary database query and load a lot of unecessary data into memory: ```ruby projects = Project.all.pluck(:id) |