lib/active_record/connection_adapters/fdbsql/schema_statements.rb
# Returns a table's PRIMARY KEY column
Returns a table's PRIMARY KEY column
Returns a table ' s PRIMARY KEY column
def primary_key(table_name)
          pk_and_sequence_for(table_name)[0]
        rescue
          nil
        end
def primary_key ( table_name ) pk_and_sequence_for ( table_name ) [ 0 ] rescue nil end
Returns a table's PRIMARY KEY column
Returns a table ' s PRIMARY KEY column
table_name