Cleanup of externals.

[wolnelektury.git] / apps / south / db / mysql.py

diff --git a/apps/south/db/mysql.py b/apps/south/db/mysql.py
deleted file mode 100644 (file)
index a05c071..0000000
--- a/apps/south/db/mysql.py
+++ /dev/null
@@ -1,67 +0,0 @@
-
-from django.db import connection
-from django.conf import settings
-from south.db import generic
-
-class DatabaseOperations(generic.DatabaseOperations):
-
-    """
-    MySQL implementation of database operations.
-    """
-    
-    alter_string_set_type = ''
-    alter_string_set_null = 'MODIFY %(column)s %(type)s NULL;'
-    alter_string_drop_null = 'MODIFY %(column)s %(type)s NOT NULL;'
-    drop_index_string = 'DROP INDEX %(index_name)s ON %(table_name)s'
-    allows_combined_alters = False
-    has_ddl_transactions = False
-    
-    def execute(self, sql, params=[]):
-        if hasattr(settings, "DATABASE_STORAGE_ENGINE") and \
-           settings.DATABASE_STORAGE_ENGINE:
-            generic.DatabaseOperations.execute(self, "SET storage_engine=%s;" %
-                settings.DATABASE_STORAGE_ENGINE)
-        return generic.DatabaseOperations.execute(self, sql, params)
-    execute.__doc__ = generic.DatabaseOperations.execute.__doc__
-
-    def rename_column(self, table_name, old, new):
-        if old == new or self.dry_run:
-            return []
-        
-        qn = connection.ops.quote_name
-        
-        rows = [x for x in self.execute('DESCRIBE %s' % (qn(table_name),)) if x[0] == old]
-        
-        if not rows:
-            raise ValueError("No column '%s' in '%s'." % (old, table_name))
-        
-        params = (
-            qn(table_name),
-            qn(old),
-            qn(new),
-            rows[0][1],
-            rows[0][2] == "YES" and "NULL" or "NOT NULL",
-            rows[0][3] == "PRI" and "PRIMARY KEY" or "",
-            rows[0][4] and "DEFAULT " or "",
-            rows[0][4] and "%s" or "",
-            rows[0][5] or "",
-        )
-        
-        sql = 'ALTER TABLE %s CHANGE COLUMN %s %s %s %s %s %s %s %s;' % params
-        
-        if rows[0][4]:
-            self.execute(sql, (rows[0][4],))
-        else:
-            self.execute(sql)
-    
-    
-    def rename_table(self, old_table_name, table_name):
-        """
-        Renames the table 'old_table_name' to 'table_name'.
-        """
-        if old_table_name == table_name:
-            # No Operation
-            return
-        qn = connection.ops.quote_name
-        params = (qn(old_table_name), qn(table_name))
-        self.execute('RENAME TABLE %s TO %s;' % params)