.. _ref-sql-functions: .. module:: trytond.sql.functions SQL Functions ============= .. class:: NumRange(lower, upper[, bounds]) A range of numeric. ``bounds`` can be ``()``, ``(]``, ``[)`` (default) or ``[]`` .. class:: TSRange(lower, upper[, bounds]) A range of timestamp. .. class:: DateRange(lower, upper[, bounds]) A range of date.