Fixed #10164 -- Made AutoField increase monotonically on SQLite

Thanks malte for the report.

5 files changed, 12 insertions, 1 deletions

diff --git a/django/db/backends/creation.py b/django/db/backends/creation.py
index 1d90f03425..eba3952d0f 100644
--- a/django/db/backends/creation.py
+++ b/django/db/backends/creation.py
@@ -23,6 +23,7 @@ class BaseDatabaseCreation(object):
     destruction of test databases.
     """
     data_types = {}
+    data_types_suffix = {}
     data_type_check_constraints = {}
 
     def __init__(self, connection):
@@ -53,6 +54,7 @@ class BaseDatabaseCreation(object):
         qn = self.connection.ops.quote_name
         for f in opts.local_fields:
             col_type = f.db_type(connection=self.connection)
+            col_type_suffix = f.db_type_suffix(connection=self.connection)
             tablespace = f.db_tablespace or opts.db_tablespace
             if col_type is None:
                 # Skip ManyToManyFields, because they're not represented as
@@ -88,6 +90,8 @@ class BaseDatabaseCreation(object):
                         (model, f))
                 else:
                     field_output.extend(ref_output)
+            if col_type_suffix:
+                field_output.append(style.SQL_KEYWORD(col_type_suffix))
             table_output.append(' '.join(field_output))
         for field_constraints in opts.unique_together:
             table_output.append(style.SQL_KEYWORD('UNIQUE') + ' (%s)' %
diff --git a/django/db/backends/sqlite3/base.py b/django/db/backends/sqlite3/base.py
index 385733cb8d..889630faf9 100644
--- a/django/db/backends/sqlite3/base.py
+++ b/django/db/backends/sqlite3/base.py
@@ -106,6 +106,7 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     supports_check_constraints = False
     autocommits_when_autocommit_is_off = True
     supports_paramstyle_pyformat = False
+    supports_sequence_reset = False
 
     @cached_property
     def uses_savepoints(self):
diff --git a/django/db/backends/sqlite3/creation.py b/django/db/backends/sqlite3/creation.py
index 435cee3436..bdd4560516 100644
--- a/django/db/backends/sqlite3/creation.py
+++ b/django/db/backends/sqlite3/creation.py
@@ -34,6 +34,9 @@ class DatabaseCreation(BaseDatabaseCreation):
         'TextField': 'text',
         'TimeField': 'time',
     }
+    data_types_suffix = {
+        'AutoField': 'AUTOINCREMENT',
+    }
 
     def sql_for_pending_references(self, model, style, pending_references):
         "SQLite3 doesn't support constraints"
diff --git a/django/db/backends/sqlite3/introspection.py b/django/db/backends/sqlite3/introspection.py
index f1d433fe0f..55e68c34b9 100644
--- a/django/db/backends/sqlite3/introspection.py
+++ b/django/db/backends/sqlite3/introspection.py
@@ -175,7 +175,7 @@ class DatabaseIntrospection(BaseDatabaseIntrospection):
         results = results[results.index('(') + 1:results.rindex(')')]
         for field_desc in results.split(','):
             field_desc = field_desc.strip()
-            m = re.search('"(.*)".*PRIMARY KEY$', field_desc)
+            m = re.search('"(.*)".*PRIMARY KEY( AUTOINCREMENT)?$', field_desc)
             if m:
                 return m.groups()[0]
         return None
diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index fe24fab589..91046f98c6 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -395,6 +395,9 @@ class Field(object):
             "check": check_string,
         }
 
+    def db_type_suffix(self, connection):
+        return connection.creation.data_types_suffix.get(self.get_internal_type())
+
     @property
     def unique(self):
         return self._unique or self.primary_key