🗃️ Add preservation_method migration

migrations/versions/3b427603af51_add_biospecimen_preservation_method.py

@@ -0,0 +1,30 @@
+"""
+1.16.0 Add biospecimen.preservation_method
+
+Revision ID: 3b427603af51
+Revises: 16e588cc6b85
+Create Date: 2023-12-08 15:03:02.945360
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '3b427603af51'
+down_revision = '16e588cc6b85'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('biospecimen', sa.Column(
+        'preservation_method', sa.Text(), nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('biospecimen', 'preservation_method')
+    # ### end Alembic commands ###