added more api

alphamind/api.py

@@ -20,6 +20,9 @@ from alphamind.data.engines.sqlengine import macro_styles
 from alphamind.data.winsorize import winsorize_normal
 from alphamind.data.standardize import standardize
 from alphamind.data.neutralize import neutralize
+from alphamind.data.engines.sqlengine import factor_tables
+
+from alphamind.utilities import alpha_logger
 
 
 __all__ = [
@@ -36,5 +39,7 @@ __all__ = [
     'macro_styles',
     'winsorize_normal',
     'standardize',
-    'neutralize'
+    'neutralize',
+    'factor_tables',
+    'alpha_logger'
 ]
\ No newline at end of file

alphamind/data/engines/sqlengine.py

@@ -235,7 +235,7 @@ class SqlEngine(object):
             .select_from(big_table) \
             .where(and_(Market.Date == ref_date, Market.Code.in_(codes)))
 
-        df = pd.read_sql(query, self.engine)
+        df = pd.read_sql(query, self.engine).sort_values('Code')
         res = transformer.transform('Code', df)
 
         for col in res.columns: