3 files changed, 16 insertions, 1 deletions
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index c7bca96d8..6e1d8d11e 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -887,7 +887,7 @@ abstract class CI_DB_driver {
 	{
 		return $this->_trans_status;
 	}
-	
+
 	// --------------------------------------------------------------------
 
 	/**
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php
index d0a2bf959..b2178b684 100644
--- a/system/database/drivers/pdo/pdo_driver.php
+++ b/system/database/drivers/pdo/pdo_driver.php
@@ -131,6 +131,14 @@ class CI_DB_pdo_driver extends CI_DB {
 			$this->options[PDO::ATTR_PERSISTENT] = TRUE;
 		}
 
+		// From PHP8.0, default PDO::ATTR_ERRMODE is changed
+		// from PDO::ERRMODE_SILENT to PDO::ERRMODE_EXCEPTION
+		// as https://wiki.php.net/rfc/pdo_default_errmode
+		if ( ! isset($this->options[PDO::ATTR_ERRMODE]))
+		{
+			$this->options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_SILENT;
+		}
+
 		try
 		{
 			return new PDO($this->dsn, $this->username, $this->password, $this->options);
diff --git a/system/database/drivers/pdo/subdrivers/pdo_pgsql_forge.php b/system/database/drivers/pdo/subdrivers/pdo_pgsql_forge.php
index 187cb2d09..4c3a5aaea 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_pgsql_forge.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_pgsql_forge.php
@@ -54,6 +54,13 @@ class CI_DB_pdo_pgsql_forge extends CI_DB_pdo_forge {
 	protected $_drop_table_if	= 'DROP TABLE IF EXISTS';
 
 	/**
+	 * CREATE TABLE IF statement
+	 *
+	 * @var	string
+	 */
+	protected $_create_table_if	= 'CREATE TABLE IF NOT EXISTS';
+
+	/**
 	 * UNSIGNED support
 	 *
 	 * @var	array