method

select_value

Ruby on Rails latest stable (v6.1.7.7) - 0 notes - Class: DatabaseStatements

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0
2.2.1
2.3.8
3.0.0
3.0.9
3.1.0
3.2.1
3.2.8
3.2.13
4.0.2
4.1.8
4.2.1 (0)
4.2.7 (0)
4.2.9 (0)
5.0.0.1 (0)
5.1.7
5.2.3
6.0.0
6.1.3.1
6.1.7.7
7.0.0
7.1.3.2
What's this?

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v5.0.0.1) is shown here.

These similar methods exist in v6.1.7.7:

ActiveRecord::ConnectionAdapters::DatabaseStatements#select_value

select_value(arel, name = nil, binds = []) public

No documentation

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Hide source

# File activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb, line 10
        def select_value(arel, name = nil, binds = [])
          arel, binds = binds_from_relation arel, binds
          sql = to_sql(arel, binds)
          execute_and_clear(sql, name, binds) do |result|
            result.getvalue(0, 0) if result.ntuples > 0 && result.nfields > 0
          end
        end

select_value

Related methods

Method deprecated or moved

No documentation

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