Fix superfluous SELECT when scheduling a single future job

app/models/solid_queue/job/concurrency_controls.rb

@@ -63,7 +63,7 @@ def handle_concurrency_conflict
         end
 
         def block
-          BlockedExecution.create_or_find_by!(job_id: id)
+          BlockedExecution.create_or_find_by!(job_id: id) { |e| e.job = self }
         end
 
         def release_next_blocked_job

app/models/solid_queue/job/executable.rb

@@ -106,7 +106,7 @@ def discard
 
       private
         def ready
-          ReadyExecution.create_or_find_by!(job_id: id)
+          ReadyExecution.create_or_find_by!(job_id: id) { |e| e.job = self }
         end
 
         def execution

app/models/solid_queue/job/schedulable.rb

@@ -38,7 +38,7 @@ def scheduled?
 
       private
         def schedule
-          ScheduledExecution.create_or_find_by!(job_id: id)
+          ScheduledExecution.create_or_find_by!(job_id: id) { |e| e.job = self }
         end
 
         def execution

test/models/solid_queue/job_test.rb

@@ -87,6 +87,21 @@ class DiscardableNonOverlappingGroupedJob2 < NonOverlappingJob
     assert_equal solid_queue_job.scheduled_at, execution.scheduled_at
   end
 
+  test "scheduling a single future job does not SELECT the job record back" do
+    active_job = AddToBufferJob.new(1)
+    job_selects = 0
+
+    subscriber = ->(*, payload) do
+      job_selects += 1 if payload[:sql].match?(/\ASELECT.*FROM.*solid_queue_jobs/i)
+    end
+
+    ActiveSupport::Notifications.subscribed(subscriber, "sql.active_record") do
+      SolidQueue::Job.enqueue(active_job, scheduled_at: 5.minutes.from_now)
+    end
+
+    assert_equal 0, job_selects
+  end
+
   test "enqueue jobs within a connected_to block for the primary DB" do
     ShardedRecord.connected_to(role: :writing, shard: :shard_two) do
       ShardedJobResult.create!(value: "in shard two")