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author | GitLab Bot <gitlab-bot@gitlab.com> | 2020-08-20 18:42:06 +0000 |
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committer | GitLab Bot <gitlab-bot@gitlab.com> | 2020-08-20 18:42:06 +0000 |
commit | 6e4e1050d9dba2b7b2523fdd1768823ab85feef4 (patch) | |
tree | 78be5963ec075d80116a932011d695dd33910b4e /doc/development/sql.md | |
parent | 1ce776de4ae122aba3f349c02c17cebeaa8ecf07 (diff) | |
download | gitlab-ce-6e4e1050d9dba2b7b2523fdd1768823ab85feef4.tar.gz |
Add latest changes from gitlab-org/gitlab@13-3-stable-ee
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) |