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Diffstat (limited to 'guides/source/active_record_querying.md')
| -rw-r--r-- | guides/source/active_record_querying.md | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/guides/source/active_record_querying.md b/guides/source/active_record_querying.md index 944cee8a23..6233708ad5 100644 --- a/guides/source/active_record_querying.md +++ b/guides/source/active_record_querying.md @@ -1,4 +1,4 @@ -**DO NOT READ THIS FILE ON GITHUB, GUIDES ARE PUBLISHED ON http://guides.rubyonrails.org.** +**DO NOT READ THIS FILE ON GITHUB, GUIDES ARE PUBLISHED ON https://guides.rubyonrails.org.** Active Record Query Interface ============================= @@ -1777,6 +1777,12 @@ Client.pluck(:name) # => ["David", "Jeremy", "Jose"] ``` +You are not limited to querying fields from a single table, you can query multiple tables as well. + +``` +Client.joins(:comments, :categories).pluck("clients.email, comments.title, categories.name") +``` + Furthermore, unlike `select` and other `Relation` scopes, `pluck` triggers an immediate query, and thus cannot be chained with any further scopes, although it can work with scopes already constructed earlier: |