Support clob and text datatype for token columns

Closes gh-480

oauth2-authorization-server/src/main/resources/org/springframework/security/oauth2/server/authorization/oauth2-authorization-schema-postgres.sql

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2020-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+CREATE TABLE oauth2_authorization (
+    id varchar(100) NOT NULL,
+    registered_client_id varchar(100) NOT NULL,
+    principal_name varchar(200) NOT NULL,
+    authorization_grant_type varchar(100) NOT NULL,
+    attributes varchar(15000) DEFAULT NULL,
+    state varchar(500) DEFAULT NULL,
+    authorization_code_value text DEFAULT NULL,
+    authorization_code_issued_at timestamp DEFAULT NULL,
+    authorization_code_expires_at timestamp DEFAULT NULL,
+    authorization_code_metadata varchar(2000) DEFAULT NULL,
+    access_token_value text DEFAULT NULL,
+    access_token_issued_at timestamp DEFAULT NULL,
+    access_token_expires_at timestamp DEFAULT NULL,
+    access_token_metadata varchar(2000) DEFAULT NULL,
+    access_token_type varchar(100) DEFAULT NULL,
+    access_token_scopes varchar(1000) DEFAULT NULL,
+    oidc_id_token_value text DEFAULT NULL,
+    oidc_id_token_issued_at timestamp DEFAULT NULL,
+    oidc_id_token_expires_at timestamp DEFAULT NULL,
+    oidc_id_token_metadata varchar(2000) DEFAULT NULL,
+    refresh_token_value text DEFAULT NULL,
+    refresh_token_issued_at timestamp DEFAULT NULL,
+    refresh_token_expires_at timestamp DEFAULT NULL,
+    refresh_token_metadata varchar(2000) DEFAULT NULL,
+    PRIMARY KEY (id)
+);