add migrations change sid for wbid

ereuse_devicehub/migrations/versions/6f6771813f2e_change_wbid_for_sid.py

@@ -0,0 +1,49 @@
+"""change wbid for sid
+
+Revision ID: 6f6771813f2e
+Revises: 97bef94f7982
+Create Date: 2022-04-25 10:52:11.767569
+
+"""
+import citext
+import sqlalchemy as sa
+from alembic import context, op
+
+# revision identifiers, used by Alembic.
+revision = '6f6771813f2e'
+down_revision = '97bef94f7982'
+branch_labels = None
+depends_on = None
+
+
+def get_inv():
+    INV = context.get_x_argument(as_dictionary=True).get('inventory')
+    if not INV:
+        raise ValueError("Inventory value is not specified")
+    return INV
+
+
+def upgrade_datas():
+    con = op.get_bind()
+    sql = f"select wbid from {get_inv()}.snapshot;"
+    snapshots = con.execute(sql)
+    for snap in snapshots:
+        wbid = snap.wbid
+        if wbid:
+            sql = f"""update {get_inv()}.snapshot set sid='{wbid}'
+                where wbid='{wbid}';"""
+            con.execute(sql)
+
+
+def upgrade():
+    op.add_column(
+        'snapshot',
+        sa.Column('sid', citext.CIText(), nullable=True),
+        schema=f'{get_inv()}',
+    )
+    upgrade_datas()
+    op.drop_column('snapshot', 'wbid', schema=f'{get_inv()}')
+
+
+def downgrade():
+    op.drop_column('snapshot', 'sid', schema=f'{get_inv()}')