fix: fix new instance db setup

backend/custom_migrations/create_workspace_without_md5.sql

@@ -1,8 +1,8 @@
 INSERT INTO workspace(id, name, owner) VALUES
-	('admins', 'Admins', 'admin@windmill.dev');
+	('admins', 'Admins', 'admin@windmill.dev') ON CONFLICT DO NOTHING;
 
 INSERT INTO workspace_settings (workspace_id) VALUES
-	('admins');
+	('admins') ON CONFLICT DO NOTHING;
 
 INSERT INTO workspace_key
 	(workspace_id, kind, key)
@@ -13,4 +13,4 @@ INSERT INTO workspace_key
         FROM generate_series(1, 32) -- generates 32 characters
     ),
     ''
-));
+)) ON CONFLICT DO NOTHING;

backend/windmill-api/src/db.rs

@@ -137,6 +137,17 @@ impl Migrate for CustomMigrator {
                         "../../custom_migrations/create_workspace_without_md5.sql"
                     ))
                     .await?;
+                let _ = sqlx::query(
+                    r#"
+                INSERT INTO _sqlx_migrations ( version, description, success, checksum, execution_time )
+                VALUES ( $1, $2, TRUE, $3, -1 ) ON CONFLICT DO NOTHING
+                            "#,
+                )
+                .bind(migration.version)
+                .bind(&*migration.description)
+                .bind(&*migration.checksum)
+                .execute(&mut *self.inner)
+                .await?;
                 return Ok(std::time::Duration::from_secs(0));
             } else {
                 let r = self.inner.apply(migration).await;