implement throwing exception when ATTR_PERSISTENT is in the connectio…

…n options; added tests

source/pdo_sqlsrv/pdo_dbh.cpp

@@ -431,7 +431,11 @@ int pdo_sqlsrv_db_handle_factory(pdo_dbh_t *dbh, zval *driver_options TSRMLS_DC)
     CHECK_CUSTOM_ERROR( driver_options && Z_TYPE_P( driver_options ) != IS_ARRAY, *g_henv_cp, SQLSRV_ERROR_CONN_OPTS_WRONG_TYPE ) {
         throw core::CoreException();
     }
-
+	// throws PDOException if the ATTR_PERSISTENT is in connection options
+	CHECK_CUSTOM_ERROR( dbh->is_persistent, *g_henv_cp, PDO_SQLSRV_ERROR_UNSUPPORTED_DBH_ATTR ) {
+		throw pdo::PDOException();
+	}
+
     // Initialize the options array to be passed to the core layer
     ALLOC_HASHTABLE( pdo_conn_options_ht );
 

test/pdo_sqlsrv/pdo_065_construct_persistent.phpt

@@ -0,0 +1,46 @@
+--TEST--
+Exception is thrown if the unsupported attribute ATTR_PERSISTENT is put into the connection options
+--SKIPIF--
+--FILE--
+<?php
+include 'pdo_tools.inc';
+require_once("autonomous_setup.php");
+$database = "tempdb";
+$dsn = 	"sqlsrv:Server = $serverName;Database = $database;";
+try{
+    echo "Testing a connection with ATTR_PERSISTENT...\n";
+    // setting PDO::ATTR_PERSISTENT in PDO constructor returns an exception
+	$attr = array(PDO::ATTR_PERSISTENT => true); 
+    $conn = new PDO( $dsn, $username, $password, $attr); 
+
+   //free the statement and connection 
+   $stmt=null;
+   $conn=null;
+}
+catch( PDOException $e ) {
+    echo "Exception from unsupported attribute (ATTR_PERSISTENT) is caught\n";
+    //exit;
+}
+try{
+  echo "\nTesting new connection after exception thrown in previous connection...\n";
+  $tableName1 = GetTempTableName('tab1');
+  $conn = new PDO( $dsn, $username, $password ); 
+  $sql = "CREATE TABLE $tableName1 (c1 int, c2 varchar(10))";
+  $stmt = $conn->query($sql);
+  $ret = $conn->exec("INSERT INTO $tableName1 VALUES(1, 'column2')");
+  $stmt = $conn->query("SELECT * FROM $tableName1");
+  $result = $stmt->fetch(PDO::FETCH_ASSOC);
+  if ($result['c1'] == 1 && $result['c2'] == 'column2') {
+    echo "Test successfully";
+  }
+}
+catch( PDOException $e ) {
+    var_dump( $e);
+}
+?> 
+--EXPECT--
+Testing a connection with ATTR_PERSISTENT...
+Exception from unsupported attribute (ATTR_PERSISTENT) is caught
+
+Testing new connection after exception thrown in previous connection...
+Test successfully

test/pdo_sqlsrv/pdo_065_construct_prefetch.phpt

@@ -0,0 +1,34 @@
+--TEST--
+Exception is thrown for the unsupported connection attribute ATTR_PREFETCH only if it is set after PDO::ERRMODE_EXCEPTION is turned on
+--SKIPIF--
+--FILE--
+<?php
+include 'pdo_tools.inc';
+require_once("autonomous_setup.php");
+$database = "tempdb";
+$dsn = 	"sqlsrv:Server = $serverName;Database = $database;";
+try{
+    echo "Testing a connection with ATTR_PREFETCH before ERRMODE_EXCEPTION...\n";
+    // setting PDO::ATTR_PERSISTENT in PDO constructor returns an exception
+	$attr = array(PDO::ATTR_PREFETCH => true, PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION); 
+    $conn = new PDO( $dsn, $username, $password, $attr); 
+   echo "Error from supported attribute (ATTR_PREFETCH) is silented\n\n";
+
+   echo "Testing a connection with ATTR_PREFETCH after ERRMODE_EXCEPTION...\n";
+   $attr = array(PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::ATTR_PREFETCH => true); 
+   $conn = new PDO( $dsn, $username, $password, $attr); 
+   //free the statement and connection 
+   $stmt=null;
+   $conn=null;
+}
+catch( PDOException $e ) {
+    echo "Exception from unsupported attribute (ATTR_PREFETCH) is caught\n";
+    //exit;
+}
+?> 
+--EXPECT--
+Testing a connection with ATTR_PREFETCH before ERRMODE_EXCEPTION...
+Error from supported attribute (ATTR_PREFETCH) is silented
+
+Testing a connection with ATTR_PREFETCH after ERRMODE_EXCEPTION...
+Exception from unsupported attribute (ATTR_PREFETCH) is caught