From 611e1fda7318ffefe27f4a002de29b9b88b874ba Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Fri, 17 Jul 2015 12:24:29 +0300
Subject: [ci skip] Fix a bug reported via PR #3704

---
 system/database/drivers/oci8/oci8_driver.php | 43 +++++++++++++---------------
 user_guide_src/source/changelog.rst          |  1 +
 2 files changed, 21 insertions(+), 23 deletions(-)

diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index b5cf26536..3c5777751 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -101,6 +101,14 @@ class CI_DB_oci8_driver extends CI_DB {
 
 	// --------------------------------------------------------------------
 
+	/**
+	 * Reset $stmt_id flag
+	 *
+	 * Used by stored_procedure() to prevent _execute() from
+	 * re-setting the statement ID.
+	 */
+	protected $_reset_stmt_id = TRUE;
+
 	/**
 	 * List of reserved identifiers
 	 *
@@ -265,26 +273,13 @@ class CI_DB_oci8_driver extends CI_DB {
 		/* Oracle must parse the query before it is run. All of the actions with
 		 * the query are based on the statement id returned by oci_parse().
 		 */
-		$this->stmt_id = FALSE;
-		$this->_set_stmt_id($sql);
-		oci_set_prefetch($this->stmt_id, 1000);
-		return oci_execute($this->stmt_id, $this->commit_mode);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Generate a statement ID
-	 *
-	 * @param	string	$sql	an SQL query
-	 * @return	void
-	 */
-	protected function _set_stmt_id($sql)
-	{
-		if ( ! is_resource($this->stmt_id))
+		if ($this->_reset_stmt_id === TRUE)
 		{
 			$this->stmt_id = oci_parse($this->conn_id, $sql);
 		}
+
+		oci_set_prefetch($this->stmt_id, 1000);
+		return oci_execute($this->stmt_id, $this->commit_mode);
 	}
 
 	// --------------------------------------------------------------------
@@ -318,15 +313,15 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * type		yes	the type of the parameter
 	 * length	yes	the max size of the parameter
 	 */
-	public function stored_procedure($package, $procedure, $params)
+	public function stored_procedure($package, $procedure, array $params)
 	{
-		if ($package === '' OR $procedure === '' OR ! is_array($params))
+		if ($package === '' OR $procedure === '')
 		{
 			log_message('error', 'Invalid query: '.$package.'.'.$procedure);
 			return ($this->db_debug) ? $this->display_error('db_invalid_query') : FALSE;
 		}
 
-		// build the query string
+		// Build the query string
 		$sql = 'BEGIN '.$package.'.'.$procedure.'(';
 
 		$have_cursor = FALSE;
@@ -341,10 +336,12 @@ class CI_DB_oci8_driver extends CI_DB {
 		}
 		$sql = trim($sql, ',').'); END;';
 
-		$this->stmt_id = FALSE;
-		$this->_set_stmt_id($sql);
+		$this->_reset_stmt_id = FALSE;
+		$this->stmt_id = oci_parse($this->conn_id, $sql);
 		$this->_bind_params($params);
-		return $this->query($sql, FALSE, $have_cursor);
+		$result = $this->query($sql, FALSE, $have_cursor);
+		$this->_reset_stmt_id = TRUE;
+		return $result;
 	}
 
 	// --------------------------------------------------------------------
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 2cb5a6cd4..f003f5635 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -64,6 +64,7 @@ Bug fixes for 3.0.1
 -  Fixed a bug (#3968) - :doc:`Database Forge <database/forge>` method ``add_key()`` didn't treat array inputs as composite keys unless it's a PRIMARY KEY.
 -  Fixed a bug (#3715) - :doc:`Pagination Library <libraries/pagination>` could generate broken link when a protocol-relative base URL is used.
 -  Fixed a bug (#3828) - :doc:`Output Library <libraries/output>` method ``delete_cache()`` couldn't delete index page caches.
+-  Fixed a bug (#3704) - :doc:`Database <database>` method ``stored_procedure()`` in the 'oci8' driver didn't properly bind parameters.
 
 Version 3.0.0
 =============
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