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authorAndrey Andreev <narf@bofh.bg>2012-06-07 21:34:38 +0200
committerAndrey Andreev <narf@bofh.bg>2012-06-07 21:34:38 +0200
commitfeec9db5e6514f242e17b4504536d746660fd02c (patch)
treecec0ce356bd58892b9b3af50d14c2eb70c9b5b48 /system/database/drivers/sqlsrv
parentbd738c80a623700b3b11e876abb764ca6d57769d (diff)
parent25c08390bd93ba27d89a8682b37c8c6184a53c07 (diff)
Merge upstream branch
Diffstat (limited to 'system/database/drivers/sqlsrv')
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_driver.php73
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_forge.php90
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_result.php8
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_utility.php2
4 files changed, 44 insertions, 129 deletions
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php
index 8cc500f55..de319b421 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -55,7 +55,7 @@ class CI_DB_sqlsrv_driver extends CI_DB {
* used for the count_all() and count_all_results() functions.
*/
protected $_count_string = 'SELECT COUNT(*) AS ';
- protected $_random_keyword = ' NEWID()'; // not currently supported
+ protected $_random_keyword = ' NEWID()';
/**
* Non-persistent database connection
@@ -132,11 +132,9 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*/
protected function _execute($sql)
{
- return sqlsrv_query($this->conn_id,
- $sql,
- NULL,
- array('Scrollable'=> SQLSRV_CURSOR_STATIC, 'SendStreamParamsAtExec' => TRUE)
- );
+ return (is_write_type($sql) && stripos($sql, 'INSERT') === FALSE)
+ ? sqlsrv_query($this->conn_id, $sql)
+ : sqlsrv_query($this->conn_id, $sql, NULL, array('Scrollable' => SQLSRV_CURSOR_STATIC));
}
// --------------------------------------------------------------------
@@ -148,13 +146,8 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*/
public function trans_begin($test_mode = FALSE)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -162,7 +155,7 @@ class CI_DB_sqlsrv_driver extends CI_DB {
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
+ $this->_trans_failure = ($test_mode === TRUE);
return sqlsrv_begin_transaction($this->conn_id);
}
@@ -176,13 +169,8 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*/
public function trans_commit()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -199,13 +187,8 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*/
public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -237,7 +220,7 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*/
public function affected_rows()
{
- return @sqlrv_rows_affected($this->conn_id);
+ return sqlrv_rows_affected($this->result_id);
}
// --------------------------------------------------------------------
@@ -281,35 +264,6 @@ class CI_DB_sqlsrv_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified database
- *
- * @param string
- * @return int
- */
- public function count_all($table = '')
- {
- if ($table == '')
- {
- return 0;
- }
-
- $query = $this->query("SELECT COUNT(*) AS numrows FROM " . $this->dbprefix . $table);
- if ($query->num_rows() == 0)
- {
- return 0;
- }
-
- $row = $query->row();
- $this->_reset_select();
- return (int) $row->numrows;
- }
-
- // --------------------------------------------------------------------
-
- /**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
@@ -428,7 +382,7 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*/
protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
{
- foreach($values as $key => $val)
+ foreach ($values as $key => $val)
{
$valstr[] = $key.' = '.$val;
}
@@ -510,15 +464,14 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Close DB Connection
*
- * @param resource
* @return void
*/
- protected function _close($conn_id)
+ protected function _close()
{
- @sqlsrv_close($conn_id);
+ @sqlsrv_close($this->conn_id);
}
}
/* End of file sqlsrv_driver.php */
-/* Location: ./system/database/drivers/sqlsrv/sqlsrv_driver.php */
+/* Location: ./system/database/drivers/sqlsrv/sqlsrv_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php
index e9143b269..e6f7e1ac1 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_forge.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php
@@ -44,20 +44,17 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
* @param mixed primary key(s)
* @param mixed key(s)
* @param bool should 'IF NOT EXISTS' be added to the SQL
- * @return bool
+ * @return string
*/
protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
- $sql = 'CREATE TABLE ';
+ $sql = ($if_not_exists === TRUE)
+ ? "IF NOT EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'".$table."') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\n"
+ : '';
- if ($if_not_exists === TRUE)
- {
- $sql .= 'IF NOT EXISTS ';
- }
+ $sql .= 'CREATE TABLE '.$this->db->escape_identifiers($table).' (';
- $sql .= $this->db->escape_identifiers($table).' (';
$current_field_count = 0;
-
foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
@@ -65,41 +62,33 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->protect_identifiers($field);
+ $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE'];
- $sql .= ' '.$attributes['TYPE'];
-
- if (array_key_exists('CONSTRAINT', $attributes))
+ if (stripos($attributes['TYPE'], 'INT') === FALSE && ! empty($attributes['CONSTRAINT']))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
+ if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
- if (array_key_exists('DEFAULT', $attributes))
+ if (isset($attributes['DEFAULT']))
{
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
}
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
+ $sql .= ( ! empty($attributes['NULL']) && $attribues['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
@@ -114,30 +103,22 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ $sql .= ",\n\tPRIMARY KEY (".implode(', ', $this->db->escape_identifiers($primary_keys)).')';
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
- if (is_array($key))
- {
- $key = $this->db->protect_identifiers($key);
- }
- else
- {
- $key = array($this->db->protect_identifiers($key));
- }
+ $key = is_array($key)
+ ? $this->db->escape_identifiers($key)
+ : array($this->escape_identifiers($key));
- $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
+ $sql .= ",\n\tFOREIGN KEY (".implode(', ', $key).')';
}
}
- $sql .= "\n)";
-
- return $sql;
+ return $sql."\n)";
}
// --------------------------------------------------------------------
@@ -159,37 +140,18 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
*/
protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name);
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' '.$this->db->escape_identifiers($column_name);
// DROP has everything it needs now.
- if ($alter_type == 'DROP')
+ if ($alter_type === 'DROP')
{
return $sql;
}
- $sql .= " $column_definition";
-
- if ($default_value != '')
- {
- $sql .= " DEFAULT \"$default_value\"";
- }
-
- if ($null === NULL)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- if ($after_field != '')
- {
- return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
- }
-
- return $sql;
-
+ return $sql.' '.$column_definition
+ .($default_value != '' ? ' DEFAULT "'.$default_value.'"' : '')
+ .($null === NULL ? ' NULL' : ' NOT NULL')
+ .($after_field != '' ? ' AFTER '.$this->db->escape_identifiers($after_field) : '');
}
}
diff --git a/system/database/drivers/sqlsrv/sqlsrv_result.php b/system/database/drivers/sqlsrv/sqlsrv_result.php
index 0802677fc..f802383d2 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_result.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_result.php
@@ -92,12 +92,12 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
$retval = array();
foreach (sqlsrv_field_metadata($this->result_id) as $offset => $field)
{
- $F = new stdClass();
- $F->name = $field['Name'];
- $F->type = $field['Type'];
+ $F = new stdClass();
+ $F->name = $field['Name'];
+ $F->type = $field['Type'];
$F->max_length = $field['Size'];
$F->primary_key = 0;
- $F->default = '';
+ $F->default = '';
$retval[] = $F;
}
diff --git a/system/database/drivers/sqlsrv/sqlsrv_utility.php b/system/database/drivers/sqlsrv/sqlsrv_utility.php
index 394964b6a..5a71b1628 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_utility.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_utility.php
@@ -41,7 +41,7 @@ class CI_DB_sqlsrv_utility extends CI_DB_utility {
* SQLSRV Export
*
* @param array Preferences
- * @return mixed
+ * @return bool
*/
protected function _backup($params = array())
{