Exemplo n.º 1
0
    def convert_domain(self, domain, tables, Model):
        transaction = Transaction()
        context = transaction.context
        database = transaction.database
        expression = super().convert_domain(domain, tables, Model)
        name, operator, value = domain
        if operator.endswith('ilike'):
            table, _ = tables[None]
            if self.translate:
                language = transaction.language
                model, join, column = self._get_translation_column(
                    Model, name)
                column = Coalesce(NullIf(column, ''), self.sql_column(model))
            else:
                language = None
                column = self.sql_column(table)
            column = self._domain_column(operator, column)

            threshold = context.get(
                '%s.%s.search_similarity' % (Model.__name__, name),
                context.get('search_similarity'))
            if database.has_similarity() and is_full_text(value) and threshold:
                sim_value = unescape_wildcard(value)
                sim_value = self._domain_value(operator, sim_value)
                expression = (
                    database.similarity(column, sim_value) >= threshold)
                if operator.startswith('not'):
                    expression = Not(expression)
                if self.translate:
                    expression = table.id.in_(
                        join.select(model.id, where=expression))

            key = '%s.%s.search_full_text' % (Model.__name__, name)
            if ((self.search_full_text or context.get(key))
                    and context.get(key, True)
                    and database.has_search_full_text()):
                if context.get(key) or is_full_text(value):
                    fts_column = database.format_full_text(
                        column, language=language)
                    fts_value = value
                    if key not in context:
                        fts_value = unescape_wildcard(fts_value)
                    fts_value = self._domain_value(operator, fts_value)
                    fts_value = database.format_full_text_query(
                        fts_value, language=language)
                    fts = database.search_full_text(fts_column, fts_value)
                    if operator.startswith('not'):
                        fts = Not(fts)
                    if self.translate:
                        fts = table.id.in_(
                            join.select(model.id, where=fts))
                    if database.has_similarity() and is_full_text(value):
                        if operator.startswith('not'):
                            expression |= fts
                        else:
                            expression &= fts
                    else:
                        expression = fts
        return expression
Exemplo n.º 2
0
    def test_not(self):
        for not_ in [Not(self.table.c), ~self.table.c]:
            self.assertEqual(str(not_), '(NOT "c")')
            self.assertEqual(not_.params, ())

        not_ = Not(Literal(False))
        self.assertEqual(str(not_), '(NOT %s)')
        self.assertEqual(not_.params, (False,))
Exemplo n.º 3
0
 def convert_domain(self, domain, tables, Model):
     transaction = Transaction()
     database = transaction.database
     table, _ = tables[None]
     name, operator, value = domain
     assert name == self.name
     column = self.sql_column(table)
     column = self._domain_column(operator, column)
     if operator.endswith('like'):
         if database.has_search_full_text():
             value = database.format_full_text_query(
                 value, language=transaction.language)
             expression = database.search_full_text(column, value)
         else:
             expression = Literal(True)
             for v in value.split():
                 expression &= ILike(column, '%' + v + '%')
         if operator.startswith('not'):
             expression = Not(expression)
     else:
         Operator = SQL_OPERATORS[operator]
         column = self._rank_column(column, name, Model)
         expression = Operator(column, self._domain_value(operator, value))
         if isinstance(expression, In) and not expression.right:
             expression = Literal(False)
         elif isinstance(expression, NotIn) and not expression.right:
             expression = Literal(True)
         expression = self._domain_add_null(column, operator, value,
                                            expression)
     return expression
Exemplo n.º 4
0
 def __invert__(self):
     from sql.operators import Not
     return Not(self)