refine required fields for request review

alembic/versions/bc6edccded26_request_reviews_non_nullable_fields.py

@@ -0,0 +1,50 @@
+"""request_reviews non-nullable fields
+
+Revision ID: bc6edccded26
+Revises: 7bdb2055d7c7
+Create Date: 2018-09-10 10:38:00.107297
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'bc6edccded26'
+down_revision = '7bdb2055d7c7'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('request_reviews', 'fname_ccpo',
+               existing_type=sa.VARCHAR(),
+               nullable=False)
+    op.alter_column('request_reviews', 'fname_mao',
+               existing_type=sa.VARCHAR(),
+               nullable=False)
+    op.alter_column('request_reviews', 'lname_ccpo',
+               existing_type=sa.VARCHAR(),
+               nullable=False)
+    op.alter_column('request_reviews', 'lname_mao',
+               existing_type=sa.VARCHAR(),
+               nullable=False)
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('request_reviews', 'lname_mao',
+               existing_type=sa.VARCHAR(),
+               nullable=True)
+    op.alter_column('request_reviews', 'lname_ccpo',
+               existing_type=sa.VARCHAR(),
+               nullable=True)
+    op.alter_column('request_reviews', 'fname_mao',
+               existing_type=sa.VARCHAR(),
+               nullable=True)
+    op.alter_column('request_reviews', 'fname_ccpo',
+               existing_type=sa.VARCHAR(),
+               nullable=True)
+    # ### end Alembic commands ###