Commit d3d1e599 authored by Andrew Godwin's avatar Andrew Godwin
Browse files

Add a SQlite backend. One test passes!

parent 0b013951

django/db/backends/sqlite3/base.py

+5 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ from django.db.backends.signals import connection_created 
from django.db.backends.sqlite3.client import DatabaseClient

from django.db.backends.sqlite3.creation import DatabaseCreation

from django.db.backends.sqlite3.introspection import DatabaseIntrospection

from django.db.backends.sqlite3.schema import DatabaseSchemaEditor

from django.utils.dateparse import parse_date, parse_datetime, parse_time

from django.utils.functional import cached_property

from django.utils.safestring import SafeString
@@ -336,6 +337,10 @@ class DatabaseWrapper(BaseDatabaseWrapper): 
        if self.settings_dict['NAME'] != ":memory:":

            BaseDatabaseWrapper.close(self)



    def schema_editor(self):

        "Returns a new instance of this backend's SchemaEditor"

        return DatabaseSchemaEditor(self)



FORMAT_QMARK_REGEX = re.compile(r'(?<!%)%s')



class SQLiteCursorWrapper(Database.Cursor):

django/db/backends/sqlite3/schema.py

0 → 100644
+6 −0
Original line number Diff line number Diff line 
from django.db.backends.schema import BaseDatabaseSchemaEditor





class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):



    sql_delete_table = "DROP TABLE %(table)s"

tests/modeltests/schema/tests.py

+6 −6
Original line number Diff line number Diff line
@@ -44,18 +44,18 @@ class SchemaTests(TestCase): 
            # Remove any M2M tables first

            for field in model._meta.local_many_to_many:

                try:

                    cursor.execute("DROP TABLE %s CASCADE" % (

                        connection.ops.quote_name(field.rel.through._meta.db_table),

                    ))

                    cursor.execute(connection.schema_editor().sql_delete_table % {

                        "table": connection.ops.quote_name(field.rel.through._meta.db_table),

                    })

                except DatabaseError:

                    connection.rollback()

                else:

                    connection.commit()

            # Then remove the main tables

            try:

                cursor.execute("DROP TABLE %s CASCADE" % (

                    connection.ops.quote_name(model._meta.db_table),

                ))

                cursor.execute(connection.schema_editor().sql_delete_table % {

                    "table": connection.ops.quote_name(model._meta.db_table),

                })

            except DatabaseError:

                connection.rollback()

            else: