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Add a SQlite backend. One test passes!
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@ -18,6 +18,7 @@ from django.db.backends.signals import connection_created
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from django.db.backends.sqlite3.client import DatabaseClient
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from django.db.backends.sqlite3.client import DatabaseClient
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from django.db.backends.sqlite3.creation import DatabaseCreation
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from django.db.backends.sqlite3.creation import DatabaseCreation
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from django.db.backends.sqlite3.introspection import DatabaseIntrospection
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from django.db.backends.sqlite3.introspection import DatabaseIntrospection
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from django.db.backends.sqlite3.schema import DatabaseSchemaEditor
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from django.utils.dateparse import parse_date, parse_datetime, parse_time
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from django.utils.dateparse import parse_date, parse_datetime, parse_time
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from django.utils.functional import cached_property
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from django.utils.functional import cached_property
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from django.utils.safestring import SafeString
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from django.utils.safestring import SafeString
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@ -336,6 +337,10 @@ class DatabaseWrapper(BaseDatabaseWrapper):
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if self.settings_dict['NAME'] != ":memory:":
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if self.settings_dict['NAME'] != ":memory:":
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BaseDatabaseWrapper.close(self)
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BaseDatabaseWrapper.close(self)
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def schema_editor(self):
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"Returns a new instance of this backend's SchemaEditor"
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return DatabaseSchemaEditor(self)
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FORMAT_QMARK_REGEX = re.compile(r'(?<!%)%s')
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FORMAT_QMARK_REGEX = re.compile(r'(?<!%)%s')
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class SQLiteCursorWrapper(Database.Cursor):
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class SQLiteCursorWrapper(Database.Cursor):
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6
django/db/backends/sqlite3/schema.py
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6
django/db/backends/sqlite3/schema.py
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@ -0,0 +1,6 @@
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from django.db.backends.schema import BaseDatabaseSchemaEditor
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class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
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sql_delete_table = "DROP TABLE %(table)s"
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@ -44,18 +44,18 @@ class SchemaTests(TestCase):
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# Remove any M2M tables first
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# Remove any M2M tables first
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for field in model._meta.local_many_to_many:
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for field in model._meta.local_many_to_many:
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try:
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try:
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cursor.execute("DROP TABLE %s CASCADE" % (
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cursor.execute(connection.schema_editor().sql_delete_table % {
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connection.ops.quote_name(field.rel.through._meta.db_table),
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"table": connection.ops.quote_name(field.rel.through._meta.db_table),
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))
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})
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except DatabaseError:
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except DatabaseError:
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connection.rollback()
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connection.rollback()
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else:
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else:
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connection.commit()
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connection.commit()
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# Then remove the main tables
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# Then remove the main tables
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try:
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try:
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cursor.execute("DROP TABLE %s CASCADE" % (
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cursor.execute(connection.schema_editor().sql_delete_table % {
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connection.ops.quote_name(model._meta.db_table),
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"table": connection.ops.quote_name(model._meta.db_table),
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))
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})
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except DatabaseError:
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except DatabaseError:
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connection.rollback()
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connection.rollback()
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else:
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else:
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