connected?() Instance Public methods Returns true if a connection has already

limited_update_conditions(where_sql, quoted_table_name, quoted_primary_key) Instance Public methods

rename(column_name, new_column_name) Instance Public methods Renames a column

references(*args) Instance Public methods Also aliased as:

ltree(name, options = {}) Instance Public methods

select_values(arel, name = nil) Instance Public methods Returns an array of

quote(value, column = nil) Instance Public methods QUOTING ================

supports_partial_index?() Instance Public methods

uncached() Instance Public methods Disable the query cache within the block

next_key() Instance Public methods