Python django.db.models.sql.AND Examples

The following are 14 code examples of django.db.models.sql.AND(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module django.db.models.sql , or try the search function .
Example #1
Source File: query.py    From GTDWeb with GNU General Public License v2.0 5 votes vote down vote up 
def __and__(self, other):
        self._merge_sanity_check(other)
        if isinstance(other, EmptyQuerySet):
            return other
        if isinstance(self, EmptyQuerySet):
            return self
        combined = self._clone()
        combined._merge_known_related_objects(other)
        combined.query.combine(other.query, sql.AND)
        return combined
Example #2
Source File: query.py    From GTDWeb with GNU General Public License v2.0 5 votes vote down vote up 
def none(self):
        """
        Returns an empty QuerySet.
        """
        clone = self._clone()
        clone.query.set_empty()
        return clone

    ##################################################################
    # PUBLIC METHODS THAT ALTER ATTRIBUTES AND RETURN A NEW QUERYSET #
    ##################################################################
Example #3
Source File: query.py    From bioforum with MIT License 5 votes vote down vote up 
def __and__(self, other):
        self._merge_sanity_check(other)
        if isinstance(other, EmptyQuerySet):
            return other
        if isinstance(self, EmptyQuerySet):
            return self
        combined = self._chain()
        combined._merge_known_related_objects(other)
        combined.query.combine(other.query, sql.AND)
        return combined
Example #4
Source File: query.py    From bioforum with MIT License 5 votes vote down vote up 
def none(self):
        """Return an empty QuerySet."""
        clone = self._chain()
        clone.query.set_empty()
        return clone

    ##################################################################
    # PUBLIC METHODS THAT ALTER ATTRIBUTES AND RETURN A NEW QUERYSET #
    ##################################################################
Example #5
Source File: query.py    From Hands-On-Application-Development-with-PyCharm with MIT License 5 votes vote down vote up 
def __and__(self, other):
        self._merge_sanity_check(other)
        if isinstance(other, EmptyQuerySet):
            return other
        if isinstance(self, EmptyQuerySet):
            return self
        combined = self._chain()
        combined._merge_known_related_objects(other)
        combined.query.combine(other.query, sql.AND)
        return combined
Example #6
Source File: query.py    From Hands-On-Application-Development-with-PyCharm with MIT License 5 votes vote down vote up 
def none(self):
        """Return an empty QuerySet."""
        clone = self._chain()
        clone.query.set_empty()
        return clone

    ##################################################################
    # PUBLIC METHODS THAT ALTER ATTRIBUTES AND RETURN A NEW QUERYSET #
    ##################################################################
Example #7
Source File: query.py    From python with Apache License 2.0 5 votes vote down vote up 
def __and__(self, other):
        self._merge_sanity_check(other)
        if isinstance(other, EmptyQuerySet):
            return other
        if isinstance(self, EmptyQuerySet):
            return self
        combined = self._clone()
        combined._merge_known_related_objects(other)
        combined.query.combine(other.query, sql.AND)
        return combined
Example #8
Source File: query.py    From python with Apache License 2.0 5 votes vote down vote up 
def none(self):
        """
        Returns an empty QuerySet.
        """
        clone = self._clone()
        clone.query.set_empty()
        return clone

    ##################################################################
    # PUBLIC METHODS THAT ALTER ATTRIBUTES AND RETURN A NEW QUERYSET #
    ##################################################################
Example #9
Source File: query.py    From luscan-devel with GNU General Public License v2.0 5 votes vote down vote up 
def __and__(self, other):
        self._merge_sanity_check(other)
        if isinstance(other, EmptyQuerySet):
            return other._clone()
        combined = self._clone()
        combined._merge_known_related_objects(other)
        combined.query.combine(other.query, sql.AND)
        return combined
Example #10
Source File: query.py    From luscan-devel with GNU General Public License v2.0 5 votes vote down vote up 
def none(self):
        """
        Returns an empty QuerySet.
        """
        return self._clone(klass=EmptyQuerySet)

    ##################################################################
    # PUBLIC METHODS THAT ALTER ATTRIBUTES AND RETURN A NEW QUERYSET #
    ##################################################################
Example #11
Source File: query.py    From openhgsenti with Apache License 2.0 5 votes vote down vote up 
def __and__(self, other):
        self._merge_sanity_check(other)
        if isinstance(other, EmptyQuerySet):
            return other
        if isinstance(self, EmptyQuerySet):
            return self
        combined = self._clone()
        combined._merge_known_related_objects(other)
        combined.query.combine(other.query, sql.AND)
        return combined
Example #12
Source File: query.py    From openhgsenti with Apache License 2.0 5 votes vote down vote up 
def none(self):
        """
        Returns an empty QuerySet.
        """
        clone = self._clone()
        clone.query.set_empty()
        return clone

    ##################################################################
    # PUBLIC METHODS THAT ALTER ATTRIBUTES AND RETURN A NEW QUERYSET #
    ##################################################################
Example #13
Source File: query.py    From python2017 with MIT License 5 votes vote down vote up 
def __and__(self, other):
        self._merge_sanity_check(other)
        if isinstance(other, EmptyQuerySet):
            return other
        if isinstance(self, EmptyQuerySet):
            return self
        combined = self._clone()
        combined._merge_known_related_objects(other)
        combined.query.combine(other.query, sql.AND)
        return combined
Example #14
Source File: query.py    From python2017 with MIT License 5 votes vote down vote up 
def none(self):
        """
        Returns an empty QuerySet.
        """
        clone = self._clone()
        clone.query.set_empty()
        return clone

    ##################################################################
    # PUBLIC METHODS THAT ALTER ATTRIBUTES AND RETURN A NEW QUERYSET #
    ##################################################################