5 files changed, 15 insertions, 0 deletions
diff --git a/django/db/backends/ado_mssql/creation.py b/django/db/backends/ado_mssql/creation.py
index 4d85d27ea5..3e017b37bf 100644
--- a/django/db/backends/ado_mssql/creation.py
+++ b/django/db/backends/ado_mssql/creation.py
@@ -1,3 +1,6 @@
+from django.db.backends.ansi import sql
+builder = sql.SchemaBuilder()
+
 DATA_TYPES = {
     'AutoField':         'int IDENTITY (1, 1)',
     'BooleanField':      'bit',
diff --git a/django/db/backends/mysql/creation.py b/django/db/backends/mysql/creation.py
index 116b490124..9329d9555d 100644
--- a/django/db/backends/mysql/creation.py
+++ b/django/db/backends/mysql/creation.py
@@ -1,3 +1,6 @@
+from django.db.backends.ansi import sql
+builder = sql.SchemaBuilder()
+
 # This dictionary maps Field objects to their associated MySQL column
 # types, as strings. Column-type strings can contain format strings; they'll
 # be interpolated against the values of Field.__dict__ before being output.
diff --git a/django/db/backends/oracle/creation.py b/django/db/backends/oracle/creation.py
index d45ceb64f5..05e6f4461b 100644
--- a/django/db/backends/oracle/creation.py
+++ b/django/db/backends/oracle/creation.py
@@ -1,3 +1,6 @@
+from django.db.backends.ansi import sql
+builder = sql.SchemaBuilder()
+
 DATA_TYPES = {
     'AutoField':         'number(38)',
     'BooleanField':      'number(1)',
diff --git a/django/db/backends/postgresql/creation.py b/django/db/backends/postgresql/creation.py
index 65a804ec40..3ffca28a64 100644
--- a/django/db/backends/postgresql/creation.py
+++ b/django/db/backends/postgresql/creation.py
@@ -1,3 +1,6 @@
+from django.db.backends.ansi import sql
+builder = sql.SchemaBuilder()
+
 # This dictionary maps Field objects to their associated PostgreSQL column
 # types, as strings. Column-type strings can contain format strings; they'll
 # be interpolated against the values of Field.__dict__ before being output.
diff --git a/django/db/backends/sqlite3/creation.py b/django/db/backends/sqlite3/creation.py
index e845179e64..e496a9f576 100644
--- a/django/db/backends/sqlite3/creation.py
+++ b/django/db/backends/sqlite3/creation.py
@@ -1,3 +1,6 @@
+from django.db.backends.ansi import sql
+builder = sql.SchemaBuilder()
+
 # SQLite doesn't actually support most of these types, but it "does the right
 # thing" given more verbose field definitions, so leave them as is so that
 # schema inspection is more useful.