Add example for Oracle Database 12.1.0.2 JSON datatype support

examples/demo.sql

@@ -32,4 +32,9 @@ BEGIN
   p_out := 101;
 END;
 /
-show errors
+SHOW ERRORS
+
+-- JSON with Oracle Database 12.1.0.2
+DROP TABLE j_purchaseorder;
+CREATE TABLE j_purchaseorder
+    (po_document VARCHAR2(4000) CONSTRAINT ensure_json CHECK (po_document IS JSON));

examples/selectjson.js

@@ -0,0 +1,73 @@
+/* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. */
+
+/******************************************************************************
+ *
+ * You may not use the identified files except in compliance with the Apache
+ * License, Version 2.0 (the "License.")
+ *
+ * You may obtain a copy of the License at
+ * http://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.
+ *
+ * NAME
+ *   selectjson.js
+ *
+ * DESCRIPTION
+ *   Executes a query from a JSON table.  
+ *   Oracle Database 12.1.0.2 has extensive JSON datatype support.
+ * 
+ *   Use demo.sql to create the required table or do:
+ * 
+ *   DROP TABLE j_purchaseorder;
+ * 
+ *   CREATE TABLE j_purchaseorder
+ *   (po_document VARCHAR2(4000) CONSTRAINT ensure_json CHECK (po_document IS JSON));
+ *
+ *****************************************************************************/
+
+var oracledb = require('oracledb');
+var dbConfig = require('./dbconfig.js');
+
+oracledb.getConnection(
+  {
+    user          : dbConfig.user,
+    password      : dbConfig.password,
+    connectString : dbConfig.connectString
+  },
+  function(err, connection)
+  {
+    if (err) {
+      console.error(err.message);
+      return;
+    }
+    
+    var data = { "userId": 1, "userName": "Chris" };
+    var s = JSON.stringify(data);
+    
+    connection.execute(
+      "INSERT INTO j_purchaseorder (po_document) VALUES (:bv)",
+      [s],
+      function (err) {
+        if (err) {
+          console.error(err.message);
+          return;
+        }
+        connection.execute(
+          "SELECT po_document FROM j_purchaseorder",
+          function(err, result)
+          {
+            if (err) {
+              console.error(err.message);
+              return;
+            }
+            js = JSON.parse(result.rows[0][0]);
+            console.log(js.userId, js.userName);
+          });
+      });
+  });