Added downgrade to initial DB script

alembic/versions/58f6a99bd6ec_create_fda_product_t.py

@@ -88,4 +88,13 @@ def upgrade():
         )
 
 def downgrade():
-    pass
+    op.drop_table("drugbank_synonyms")
+    op.drop_table("drugbank_genericnames")
+    op.drop_table("drugbank_manufacturers")
+    op.drop_table("drugbank_packagers")
+    op.drop_table("drugbank_drug_categories")
+    op.drop_table("drugbank_categories")
+    op.drop_table("drugbank_prices")
+    op.drop_table("drugbank_drugs")
+    op.drop_table("fda_product_substances")
+    op.drop_table("fda_products")

alembic/versions/58f6a99bd6ec_create_fda_product_t.py~

@@ -1,22 +0,0 @@
-"""create fda_product table
-
-Revision ID: 58f6a99bd6ec
-Revises: None
-Create Date: 2013-10-19 21:21:03.977000
-
-"""
-
-# revision identifiers, used by Alembic.
-revision = '58f6a99bd6ec'
-down_revision = None
-
-from alembic import op
-import sqlalchemy as sa
-
-
-def upgrade():
-    pass
-
-
-def downgrade():
-    pass