feat: Add option schemaCacheTtl for schema cache pulling as alternative to enableSchemaHooks (#8436)

src/Adapters/Storage/Mongo/MongoStorageAdapter.js

@@ -139,11 +139,12 @@ export class MongoStorageAdapter implements StorageAdapter {
   _maxTimeMS: ?number;
   canSortOnJoinTables: boolean;
   enableSchemaHooks: boolean;
+  schemaCacheTtl: ?number;
 
   constructor({ uri = defaults.DefaultMongoURI, collectionPrefix = '', mongoOptions = {} }: any) {
     this._uri = uri;
     this._collectionPrefix = collectionPrefix;
-    this._mongoOptions = mongoOptions;
+    this._mongoOptions = { ...mongoOptions };
     this._mongoOptions.useNewUrlParser = true;
     this._mongoOptions.useUnifiedTopology = true;
     this._onchange = () => {};
@@ -152,8 +153,11 @@ export class MongoStorageAdapter implements StorageAdapter {
     this._maxTimeMS = mongoOptions.maxTimeMS;
     this.canSortOnJoinTables = true;
     this.enableSchemaHooks = !!mongoOptions.enableSchemaHooks;
-    delete mongoOptions.enableSchemaHooks;
-    delete mongoOptions.maxTimeMS;
+    this.schemaCacheTtl = mongoOptions.schemaCacheTtl;
+    for (const key of ['enableSchemaHooks', 'schemaCacheTtl', 'maxTimeMS']) {
+      delete mongoOptions[key];
+      delete this._mongoOptions[key];
+    }
   }
 
   watch(callback: () => void): void {

src/Adapters/Storage/Postgres/PostgresStorageAdapter.js

@@ -850,13 +850,18 @@ export class PostgresStorageAdapter implements StorageAdapter {
   _pgp: any;
   _stream: any;
   _uuid: any;
+  schemaCacheTtl: ?number;
 
   constructor({ uri, collectionPrefix = '', databaseOptions = {} }: any) {
+    const options = { ...databaseOptions };
     this._collectionPrefix = collectionPrefix;
     this.enableSchemaHooks = !!databaseOptions.enableSchemaHooks;
-    delete databaseOptions.enableSchemaHooks;
+    this.schemaCacheTtl = databaseOptions.schemaCacheTtl;
+    for (const key of ['enableSchemaHooks', 'schemaCacheTtl']) {
+      delete options[key];
+    }
 
-    const { client, pgp } = createClient(uri, databaseOptions);
+    const { client, pgp } = createClient(uri, options);
     this._client = client;
     this._onchange = () => {};
     this._pgp = pgp;

src/Adapters/Storage/StorageAdapter.js

@@ -30,6 +30,8 @@ export type FullQueryOptions = QueryOptions & UpdateQueryOptions;
 
 export interface StorageAdapter {
   canSortOnJoinTables: boolean;
+  schemaCacheTtl: ?number;
+  enableSchemaHooks: boolean;
 
   classExists(className: string): Promise<boolean>;
   setClassLevelPermissions(className: string, clps: any): Promise<void>;