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-rw-r--r--activerecord/lib/active_record/relation/finder_methods.rb14
1 files changed, 7 insertions, 7 deletions
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb
index 2d3bd563ac..0132a02f83 100644
--- a/activerecord/lib/active_record/relation/finder_methods.rb
+++ b/activerecord/lib/active_record/relation/finder_methods.rb
@@ -171,21 +171,21 @@ module ActiveRecord
last or raise RecordNotFound
end
- # Returns truthy if a record exists in the table that matches the +id+ or
- # conditions given, or falsy otherwise. The argument can take six forms:
+ # Returns +true+ if a record exists in the table that matches the +id+ or
+ # conditions given, or +false+ otherwise. The argument can take six forms:
#
# * Integer - Finds the record with this primary key.
# * String - Finds the record with a primary key corresponding to this
# string (such as <tt>'5'</tt>).
# * Array - Finds the record that matches these +find+-style conditions
- # (such as <tt>['color = ?', 'red']</tt>).
+ # (such as <tt>['name LIKE ?', "%#{query}%"]</tt>).
# * Hash - Finds the record that matches these +find+-style conditions
- # (such as <tt>{color: 'red'}</tt>).
+ # (such as <tt>{name: 'David'}</tt>).
# * +false+ - Returns always +false+.
# * No args - Returns +false+ if the table is empty, +true+ otherwise.
#
- # For more information about specifying conditions as a Hash or Array,
- # see the Conditions section in the introduction to ActiveRecord::Base.
+ # For more information about specifying conditions as a hash or array,
+ # see the Conditions section in the introduction to <tt>ActiveRecord::Base</tt>.
#
# Note: You can't pass in a condition as a string (like <tt>name =
# 'Jamie'</tt>), since it would be sanitized and then queried against
@@ -213,7 +213,7 @@ module ActiveRecord
relation = relation.where(table[primary_key].eq(conditions)) if conditions != :none
end
- connection.select_value(relation.arel, "#{name} Exists", relation.bind_values)
+ connection.select_value(relation, "#{name} Exists", relation.bind_values) ? true : false
end
# This method is called whenever no records are found with either a single