fix(typegen): sort polymorphic function variants

Author: soedirgo

src/server/templates/typescript.ts

@@ -357,6 +357,8 @@ export interface Database {
                   })()})${is_set_returning_function ? '[]' : ''}
                 }`
                     )
+                    // We only sorted by name on schemaFunctions - here we sort by arg names, arg types, and return type.
+                    .sort()
                     .join('|')}`
               )
             })()}

test/db/00-init.sql

@@ -93,3 +93,6 @@ stable
 as $$
   select id, name from public.users;
 $$;
+
+create or replace function public.polymorphic_function(text) returns void language sql as '';
+create or replace function public.polymorphic_function(bool) returns void language sql as '';

test/server/typegen.ts

@@ -240,6 +240,19 @@ test('typegen', async () => {
               name: string
             }[]
           }
+          polymorphic_function:
+            | {
+                Args: {
+                  "": boolean
+                }
+                Returns: undefined
+              }
+            | {
+                Args: {
+                  "": string
+                }
+                Returns: undefined
+              }
           postgres_fdw_disconnect: {
             Args: {
               "": string