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SQL Query Builder inspired on django ORM Syntax

Project description

SQL Query Builder based on django ORM
=====================================

What's that?
-----------

Is a library that you can use to build sql queries if your are accustomed to use Django ORM


How to use
----------

There are 4 main objects Q, F, QuerySet and SQLModel.

Using it
---------------

.. code-block:: python

from sqlquerybuilder import SQLModel, Queryset, Q, F

class Client(SQLModel):
table = "clients"


Client.objects.filter(name="Jhon").exclude(lastname="Doe").group_by("family")

sql = Queryset("clients").filter(name="Jhon").exclude(lastname="Doe").group_by("family")


sql = Client.objects.filter(Q(name="John") & ~Q(lastname="Doe"))

sql.group_by("family")


sql = Queryset("users")\
.filter(nombre="jose")\
.order_by( "nombre", "-fecha")\
.filter(fecha__lte=F("now()"))[:10]


"SELECT * FROM users WHERE ((nombre='jose') AND (fecha<=now())) ORDER BY nombre, fecha DESC LIMIT 10"

Queryset("usuarios").values("name").extra({'select': 'count(*) as total'})
"SELECT name , count(*) as total FROM usuarios"

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