instance method `select_one`

Ruby on Rails 3.1.12

Since v2.2.3

Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

select_one(arel, name = nil)

Returns a record hash with the column names as keys and column values as values.

Parameters

arel req
name opt = nil

Source

# File activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb, line 25
      def select_one(arel, name = nil)
        result = select_all(arel, name)
        result.first if result
      end

Defined in activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb line 25 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::DatabaseStatements

Signature

Parameters