From 4dcf3ab4dac72d58aac022483ae976ed379eb69c Mon Sep 17 00:00:00 2001
From: David Lutterkort <lutter@watzmann.net>
Date: Tue, 9 Apr 2024 22:23:22 -0700
Subject: [PATCH] store: Fix check for deterministic error

The check for a deterministic error in deployment::state was wrong in that
it claimed that it contained a `sql::<Integer>` but a query using `min`
will return null when there are no rows. The query needs to say
`sql::<Nullable<Integer>>`
---
 store/postgres/src/deployment.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/store/postgres/src/deployment.rs b/store/postgres/src/deployment.rs
index da1deed49df..9fabd24afc0 100644
--- a/store/postgres/src/deployment.rs
+++ b/store/postgres/src/deployment.rs
@@ -705,9 +705,8 @@ pub fn state(conn: &mut PgConnection, id: DeploymentHash) -> Result<DeploymentSt
                 e::table
                     .filter(e::subgraph_id.eq(id.as_str()))
                     .filter(e::deterministic)
-                    .select(sql::<Integer>("min(lower(block_range))"))
-                    .first::<i32>(conn)
-                    .optional()?
+                    .select(sql::<Nullable<Integer>>("min(lower(block_range))"))
+                    .first::<Option<i32>>(conn)?
             } else {
                 None
             };