Module: ActiveRecord::MTI::ConnectionAdapters::PostgreSQL::Adapter

Defined in:
lib/active_record/mti/connection_adapters/postgresql/adapter.rb

Instance Method Summary collapse

Instance Method Details

#column_definitions(table_name) ⇒ Object

:nodoc:



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# File 'lib/active_record/mti/connection_adapters/postgresql/adapter.rb', line 13

def column_definitions(table_name) # :nodoc:
  exec_query(<<-SQL, 'SCHEMA').rows
    SELECT a.attname, format_type(a.atttypid, a.atttypmod),
        pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod
    FROM pg_attribute a LEFT JOIN pg_attrdef d
      ON a.attrelid = d.adrelid AND a.attnum = d.adnum
    WHERE a.attrelid = '#{quote_table_name(table_name)}'::regclass
      AND a.attnum > 0 AND NOT a.attisdropped
      AND a.attname != 'tableoid'
    ORDER BY a.attnum
  SQL
end

#version ⇒ Object 



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# File 'lib/active_record/mti/connection_adapters/postgresql/adapter.rb', line 7

def version
  Gem::Version.new exec_query(<<-SQL, 'SCHEMA').rows.first.first
    SHOW server_version;
  SQL
end