Move Oracle Database 21 and higher objects to its own schema file for

ease of maintenance.

samples/create_schema.py

@@ -1,5 +1,5 @@
 #------------------------------------------------------------------------------
-# Copyright (c) 2020, 2022, Oracle and/or its affiliates.
+# Copyright (c) 2020, 2023, Oracle and/or its affiliates.
 #
 # This software is dual-licensed to you under the Universal Permissive License
 # (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
@@ -49,4 +49,7 @@
                           edition_user=sample_env.get_edition_user(),
                           edition_password=sample_env.get_edition_password(),
                           edition_name=sample_env.get_edition_name())
+if sample_env.get_server_version() >= (21, 0):
+    sample_env.run_sql_script(conn, "create_schema_21",
+                              main_user=sample_env.get_main_user())
 print("Done.")

samples/sample_env.py

@@ -88,6 +88,8 @@
 import platform
 import sys
 
+import oracledb
+
 # default values
 DEFAULT_MAIN_USER = "pythondemo"
 DEFAULT_EDITION_USER = "pythoneditions"
@@ -170,6 +172,17 @@ def get_oracle_client():
         return get_value("PYO_SAMPLES_ORACLE_CLIENT_PATH",
                          "Oracle Instant Client Path")
 
+def get_server_version():
+    name = "SERVER_VERSION"
+    value = PARAMETERS.get(name)
+    if value is None:
+        conn = oracledb.connect(user=get_main_user(),
+                                password=get_main_password(),
+                                dsn=get_connect_string())
+        value = tuple(int(s) for s in conn.version.split("."))[:2]
+        PARAMETERS[name] = value
+    return value
+
 def run_sql_script(conn, script_name, **kwargs):
     statement_parts = []
     cursor = conn.cursor()

samples/sql/create_schema.sql

@@ -251,25 +251,6 @@ create table &main_user..TestGeometry (
 )
 /
 
-declare
-    t_Version                           number;
-begin
-
-    select to_number(substr(version, 1, instr(version, '.') - 1))
-    into t_Version
-    from product_component_version
-    where product like 'Oracle Database%';
-
-    if t_Version >= 21 then
-        execute immediate 'create table &main_user..CustomersAsJson (' ||
-                          '    id number(9) not null primary key,' ||
-                          '    json_data json' ||
-                          ')';
-    end if;
-
-end;
-/
-
 -- create queue table, queues and subscribers for demonstrating Advanced Queuing
 begin
 

samples/sql/create_schema_21.sql

@@ -0,0 +1,38 @@
+/*-----------------------------------------------------------------------------
+ * Copyright 2023, Oracle and/or its affiliates.
+ *
+ * This software is dual-licensed to you under the Universal Permissive License
+ * (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
+ * 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
+ * either license.*
+ *
+ * If you elect to accept the software under the Apache License, Version 2.0,
+ * the following applies:
+ *
+ * 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_schema.sql
+ *
+ * Performs the actual work of creating and populating the schemas with the
+ * database objects used by the python-oracledb samples. An edition is also
+ * created for the demonstration of PL/SQL editioning. It is executed by the
+ * Python script create_schema.py.
+ *---------------------------------------------------------------------------*/
+
+create table &main_user..CustomersAsJson (
+    id number(9) not null primary key,
+    json_data json
+)
+/