Change CI_DB_driver::field_data() signature

The parameter is mandatory, it doesn't make sense to have a default
empty string value only to check for it.

10 files changed, 11 insertions, 50 deletions

diff --git a/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php b/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php
index f8e60f97e..9ed66314b 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php
@@ -142,13 +142,8 @@ class CI_DB_pdo_cubrid_driver extends CI_DB_pdo_driver {
 	 * @param	string	$table
 	 * @return	array
 	 */
-	public function field_data($table = '')
+	public function field_data($table)
 	{
-		if ($table === '')
-		{
-			return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
-		}
-
 		if (($query = $this->query('SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE))) === FALSE)
 		{
 			return FALSE;
diff --git a/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php b/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php
index 111623865..d1d42875a 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php
@@ -192,13 +192,8 @@ class CI_DB_pdo_dblib_driver extends CI_DB_pdo_driver {
 	 * @param	string	$table
 	 * @return	array
 	 */
-	public function field_data($table = '')
+	public function field_data($table)
 	{
-		if ($table === '')
-		{
-			return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
-		}
-
 		$sql = 'SELECT COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH, NUMERIC_PRECISION, COLUMN_DEFAULT
 			FROM INFORMATION_SCHEMA.Columns
 			WHERE UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));
diff --git a/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php b/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php
index 2ada47811..5fffd5a44 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php
@@ -150,13 +150,8 @@ class CI_DB_pdo_firebird_driver extends CI_DB_pdo_driver {
 	 * @param	string	$table
 	 * @return	array
 	 */
-	public function field_data($table = '')
+	public function field_data($table)
 	{
-		if ($table === '')
-		{
-			return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
-		}
-
 		$sql = 'SELECT "rfields"."RDB$FIELD_NAME" AS "name",
 				CASE "fields"."RDB$FIELD_TYPE"
 					WHEN 7 THEN \'SMALLINT\'
diff --git a/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php b/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php
index b639df1da..17a7732fc 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php
@@ -174,7 +174,7 @@ class CI_DB_pdo_ibm_driver extends CI_DB_pdo_driver {
 	 * @param	string	$table
 	 * @return	array
 	 */
-	public function field_data($table = '')
+	public function field_data($table)
 	{
 		$sql = 'SELECT "colname" AS "name", "typename" AS "type", "default" AS "default", "length" AS "max_length",
 				CASE "keyseq" WHEN NULL THEN 0 ELSE 1 END AS "primary_key"
diff --git a/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php b/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php
index a293e3d26..01e32f5f4 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php
@@ -187,7 +187,7 @@ class CI_DB_pdo_informix_driver extends CI_DB_pdo_driver {
 	 * @param	string	$table
 	 * @return	array
 	 */
-	public function field_data($table = '')
+	public function field_data($table)
 	{
 		$sql = 'SELECT "syscolumns"."colname" AS "name",
 				CASE "syscolumns"."coltype"
diff --git a/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php
index fe75af7a0..e4e4fa069 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php
@@ -199,13 +199,8 @@ class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver {
 	 * @param	string	$table
 	 * @return	array
 	 */
-	public function field_data($table = '')
+	public function field_data($table)
 	{
-		if ($table === '')
-		{
-			return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
-		}
-
 		if (($query = $this->query('SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE))) === FALSE)
 		{
 			return FALSE;
diff --git a/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php b/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php
index 33c7c2ac0..b80da33c2 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php
@@ -184,13 +184,9 @@ class CI_DB_pdo_oci_driver extends CI_DB_pdo_driver {
 	 * @param	string	$table
 	 * @return	array
 	 */
-	public function field_data($table = '')
+	public function field_data($table)
 	{
-		if ($table === '')
-		{
-			return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
-		}
-		elseif (strpos($table, '.') !== FALSE)
+		if (strpos($table, '.') !== FALSE)
 		{
 			sscanf($table, '%[^.].%s', $owner, $table);
 		}
diff --git a/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php b/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php
index 1707e1d11..158c5d2eb 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php
@@ -261,13 +261,8 @@ class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver {
 	 * @param	string	$table
 	 * @return	array
 	 */
-	public function field_data($table = '')
+	public function field_data($table)
 	{
-		if ($table === '')
-		{
-			return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
-		}
-
 		$sql = 'SELECT "column_name", "data_type", "character_maximum_length", "numeric_precision", "column_default"
 			FROM "information_schema"."columns"
 			WHERE LOWER("table_name") = '.$this->escape(strtolower($table));
diff --git a/system/database/drivers/pdo/subdrivers/pdo_sqlite_driver.php b/system/database/drivers/pdo/subdrivers/pdo_sqlite_driver.php
index e37db4769..e1c8670a9 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_sqlite_driver.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_sqlite_driver.php
@@ -142,13 +142,8 @@ class CI_DB_pdo_sqlite_driver extends CI_DB_pdo_driver {
 	 * @param	string	$table
 	 * @return	array
 	 */
-	public function field_data($table = '')
+	public function field_data($table)
 	{
-		if ($table === '')
-		{
-			return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
-		}
-
 		if (($query = $this->query('PRAGMA TABLE_INFO('.$this->protect_identifiers($table, TRUE, NULL, FALSE).')')) === FALSE)
 		{
 			return FALSE;
diff --git a/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php b/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php
index f507837bf..ac3513560 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php
@@ -221,13 +221,8 @@ class CI_DB_pdo_sqlsrv_driver extends CI_DB_pdo_driver {
 	 * @param	string	$table
 	 * @return	array
 	 */
-	public function field_data($table = '')
+	public function field_data($table)
 	{
-		if ($table === '')
-		{
-			return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
-		}
-
 		$sql = 'SELECT COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH, NUMERIC_PRECISION, COLUMN_DEFAULT
 			FROM INFORMATION_SCHEMA.Columns
 			WHERE UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));