/ Ruby on Rails
/
primary_keys(table_name)
public

No documentation available.

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb, line 355
        def primary_keys(table_name) # :nodoc:
          query_values(            SELECT a.attname              FROM (                     SELECT indrelid, indkey, generate_subscripts(indkey, 1) idx                       FROM pg_index                      WHERE indrelid = #{quote(quote_table_name(table_name))}::regclass                        AND indisprimary                   ) i              JOIN pg_attribute a                ON a.attrelid = i.indrelid               AND a.attnum = i.indkey[i.idx]             ORDER BY i.idx.strip_heredoc, "SCHEMA")
        end