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| -rw-r--r-- | guides/source/active_record_querying.md | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/guides/source/active_record_querying.md b/guides/source/active_record_querying.md index 6c06399673..cb5fe52506 100644 --- a/guides/source/active_record_querying.md +++ b/guides/source/active_record_querying.md @@ -1505,18 +1505,21 @@ Person.ids Existence of Objects -------------------- -If you simply want to check for the existence of the object there's a method called `exists?`. This method will query the database using the same query as `find`, but instead of returning an object or collection of objects it will return either `true` or `false`. +If you simply want to check for the existence of the object there's a method called `exists?`. +This method will query the database using the same query as `find`, but instead of returning an +object or collection of objects it will return either `true` or `false`. ```ruby Client.exists?(1) ``` -The `exists?` method also takes multiple ids, but the catch is that it will return true if any one of those records exists. +The `exists?` method also takes multiple values, but the catch is that it will return `true` if any +one of those records exists. ```ruby -Client.exists?id:[1,2,3] +Client.exists?(id: [1,2,3]) or -Client.exists?name:['John','Sergei'] +Client.exists?(name: ['John', 'Sergei']) ``` It's even possible to use `exists?` without any arguments on a model or a relation. @@ -1525,7 +1528,8 @@ It's even possible to use `exists?` without any arguments on a model or a relati Client.where(first_name: 'Ryan').exists? ``` -The above returns `true` if there is at least one client with the `first_name` 'Ryan' and `false` otherwise. +The above returns `true` if there is at least one client with the `first_name` 'Ryan' and `false` +otherwise. ```ruby Client.exists? |