Use the value set in oracledb.connectionClass as soon as the pool is created with DRCP

Author: sharadraju

doc/src/release_notes.rst

@@ -8,6 +8,12 @@ node-oracledb Release Notes
 node-oracledb `v6.0.3 <https://github.com/oracle/node-oracledb/compare/v6.0.2...v6.0.3>`__ (TBD)
 ------------------------------------------------------------------------------------------------
 
+Common Changes
+++++++++++++++
+
+#)  Fixed bug to consistently use the DRCP :attr:`oracledb.connectionClass` in effect when the
+    pool was created.
+
 Thin Mode Changes
 +++++++++++++++++
 

lib/pool.js

@@ -47,6 +47,7 @@ class Pool extends EventEmitter {
     this._timeOfReset = this._createdDate = Date.now();
     this._sessionCallback = undefined;
     this._connRequestQueue = [];
+    this._connectionClass = settings.connectionClass;
   }
 
   //---------------------------------------------------------------------------
@@ -376,7 +377,9 @@ class Pool extends EventEmitter {
       errors.assertParamValue(nodbUtil.isObject(a1), 1);
       options = this._verifyGetConnectionOptions(a1);
     }
-    settings.addToOptions(options, "connectionClass");
+
+    // get connection class value from pool
+    options.connectionClass = this._connectionClass;
 
     // if pool is draining/closed, throw an appropriate error
     this._checkPoolOpen(true);

lib/thin/pool.js

@@ -212,9 +212,6 @@ class ThinPoolImpl extends PoolImpl {
   // create new connection and return it
   //---------------------------------------------------------------------------
   async getConnection() {
-    if (settings.connectionClass !== '') {
-      this._userConfig.connectionClass = settings.connectionClass;
-    }
     return await this.acquire();
   }