[batch] Get rid of default standing workers in dev (#12202)

* [batch] Get rid of default standing workers in dev

* fixes

batch/sql/no_dev_standing_workers_by_default.py

@@ -0,0 +1,22 @@
+import os
+import asyncio
+from gear import Database
+
+
+async def main():
+    if os.environ['HAIL_SCOPE'] != 'dev':
+        return
+
+    db = Database()
+    await db.async_init()
+
+    await db.execute_update(
+        '''
+UPDATE pools
+SET enable_standing_worker = 0
+'''
+    )
+
+
+loop = asyncio.get_event_loop()
+loop.run_until_complete(main())

build.yaml

@@ -2076,6 +2076,9 @@ steps:
       - name: add-jobs-update-id-index
         script: /io/sql/add-jobs-update-id-index.sql
         online: true
+      - name: no-dev-standing-workers-by-default
+        script: /io/sql/no_dev_standing_workers_by_default.py
+        online: true
     inputs:
       - from: /repo/batch/sql
         to: /io/sql