fix: export metaschema_public.function in services migration + defensive null fallback

graphql/server/src/middleware/api.ts

@@ -424,6 +424,10 @@ const toRlsModule = (row: RlsModuleRow | null): RlsModule | undefined => {
 
 const toRlsModuleFromSettings = (row: RlsModuleData | null): RlsModule | undefined => {
   if (!row) return undefined;
+  // If metaschema_public.function rows are missing (e.g. trigger was skipped
+  // during migration), the LEFT JOINs resolve NULL.  Return undefined so the
+  // caller falls back to the legacy api_modules lookup.
+  if (!row.authenticate || !row.authenticate_schema) return undefined;
   return {
     authenticate: row.authenticate,
     authenticateStrict: row.authenticate_strict,

pgpm/export/src/export-graphql-meta.ts

@@ -124,6 +124,7 @@ export const exportGraphQLMeta = async ({
     queryAndParse('database'),
     queryAndParse('database_extension'),
     queryAndParse('schema'),
+    queryAndParse('function'),
     queryAndParse('table'),
     queryAndParse('field'),
     queryAndParse('policy'),

pgpm/export/src/export-meta.ts

@@ -132,6 +132,7 @@ export const exportMeta = async ({ opts, dbname, database_id }: ExportMetaParams
   await queryAndParse('database', `SELECT * FROM metaschema_public.database WHERE id = $1 ORDER BY id`);
   await queryAndParse('database_extension', `SELECT * FROM metaschema_public.database_extension WHERE database_id = $1 ORDER BY id`);
   await queryAndParse('schema', `SELECT * FROM metaschema_public.schema WHERE database_id = $1 ORDER BY id`);
+  await queryAndParse('function', `SELECT * FROM metaschema_public.function WHERE database_id = $1 ORDER BY id`);
   await queryAndParse('table', `SELECT * FROM metaschema_public.table WHERE database_id = $1 ORDER BY id`);
   await queryAndParse('field', `SELECT * FROM metaschema_public.field WHERE database_id = $1 ORDER BY id`);
   await queryAndParse('policy', `SELECT * FROM metaschema_public.policy WHERE database_id = $1 ORDER BY id`);

pgpm/export/src/export-utils.ts

@@ -124,6 +124,7 @@ SET session_replication_role TO DEFAULT;`;
 export const META_TABLE_ORDER = [
   'database',
   'schema',
+  'function',
   'table',
   'field',
   'policy',
@@ -243,6 +244,16 @@ export const META_TABLE_CONFIG: Record<string, TableConfig> = {
       is_public: 'boolean'
     }
   },
+  function: {
+    schema: 'metaschema_public',
+    table: 'function',
+    fields: {
+      id: 'uuid',
+      database_id: 'uuid',
+      schema_id: 'uuid',
+      name: 'text'
+    }
+  },
   table: {
     schema: 'metaschema_public',
     table: 'table',