fix: fix wrong 503 Service Unavailable on pg error 53400

test/spec/Feature/Query/RpcSpec.hs

@@ -1478,3 +1478,11 @@ spec actualPgVersion =
             "details":"DETAIL is missing in the RAISE statement",
             "hint":"DETAIL must be a JSON object with obligatory keys: 'status', 'headers' and optional key: 'status_text'."}|]
           { matchStatus = 500 }
+
+    -- here JWT has the role: postgrest_test_superuser
+    context "test function temp_file_limit" $
+      let auth = authHeaderJWT "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJyb2xlIjoicG9zdGdyZXN0X3Rlc3Rfc3VwZXJ1c2VyIiwiaWQiOiJqZG9lIn0.LQ-qx0ArBnfkwQQhIHKF5cS-lzl0gnTPI8NLoPbL5Fg" in
+      it "should return http status 500" $
+        request methodGet "/rpc/temp_file_limit" [auth] "" `shouldRespondWith`
+          [json|{"code":"53400","message":"temporary file size exceeds temp_file_limit (1kB)","details":null,"hint":null}|]
+          { matchStatus = 500 }

test/spec/fixtures/roles.sql

@@ -1,6 +1,7 @@
-DROP ROLE IF EXISTS postgrest_test_anonymous, postgrest_test_default_role, postgrest_test_author;
+DROP ROLE IF EXISTS postgrest_test_anonymous, postgrest_test_default_role, postgrest_test_author, postgrest_test_superuser;
 CREATE ROLE postgrest_test_anonymous;
 CREATE ROLE postgrest_test_default_role;
 CREATE ROLE postgrest_test_author;
+CREATE ROLE postgrest_test_superuser WITH SUPERUSER;
 
-GRANT postgrest_test_anonymous, postgrest_test_default_role, postgrest_test_author TO :PGUSER;
+GRANT postgrest_test_anonymous, postgrest_test_default_role, postgrest_test_author, postgrest_test_superuser TO :PGUSER;

test/spec/fixtures/schema.sql

@@ -3771,3 +3771,9 @@ select * from test.projects;
 
 create or replace view test.infinite_recursion as
 select * from test.infinite_recursion;
+
+
+create or replace function temp_file_limit()
+returns bigint as $$
+  select COUNT(*) FROM generate_series('-infinity'::TIMESTAMP, 'epoch'::TIMESTAMP, INTERVAL '1 DAY');
+$$ language sql security definer set temp_file_limit to '1kB';