Added support for easy connect string entries in tnsnames.ora file (See Issue #1644)

Author: sharadraju

doc/src/release_notes.rst

@@ -13,6 +13,9 @@ node-oracledb `v6.5.0 <https://github.com/oracle/node-oracledb/compare/v6.4.0...
 Thin Mode Changes
 ++++++++++++++++++
 
+#)  Added support for easy connect string entries in tnsnames.ora
+    See `Issue #1644 <https://github.com/oracle/node-oracledb/issues/1644>`__.
+
 #)  Added support for Oracle Database 23c feature that can improve the
     performance of connection creation by reducing the number of
     round trips required for all connections created.

lib/thin/sqlnet/networkSession.js

@@ -83,6 +83,12 @@ async function resolveConnectStr(connectString, configDir) {
       resolvedVal = p.get(connStr.toUpperCase());
       if (!resolvedVal)
         errors.throwErr(errors.ERR_TNS_ENTRY_NOT_FOUND, connStr, configDir ? configDir + '/tnsnames.ora' : process.env.TNS_ADMIN + '/tnsnames.ora');
+      if (resolvedVal.rhsType == 1) {
+        const rString = resolvedVal.atom;
+        if ((rString.indexOf(':') != -1) || (rString.indexOf('/') != -1)) {
+          return new EzConnect(rString).getResolvedUrl();
+        }
+      }
       resolvedVal = resolvedVal.getListElement(0);
     }