diff options
Diffstat (limited to 'system/database/drivers/pdo/pdo_driver.php')
| -rw-r--r-- | system/database/drivers/pdo/pdo_driver.php | 121 |
1 files changed, 111 insertions, 10 deletions
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index c5a215b82..19e069b06 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -49,15 +49,15 @@ class CI_DB_pdo_driver extends CI_DB { function __construct($params) { - parent::CI_DB($params); + parent::__construct($params); // clause and character used for LIKE escape sequences - if(strpos($this->hostname, 'mysql') !== FALSE) + if (strpos($this->hostname, 'mysql') !== FALSE) { $this->_like_escape_str = ''; $this->_like_escape_chr = ''; } - else if(strpos($this->hostname, 'odbc') !== FALSE) + else if (strpos($this->hostname, 'odbc') !== FALSE) { $this->_like_escape_str = " {escape '%s'} "; $this->_like_escape_chr = '!'; @@ -180,7 +180,14 @@ class CI_DB_pdo_driver extends CI_DB { $sql = $this->_prep_query($sql); $result_id = $this->conn_id->query($sql); - $this->affect_rows = $result_id->rowCount(); + if (is_object($result_id)) + { + $this->affect_rows = $result_id->rowCount(); + } + else + { + $this->affect_rows = 0; + } return $result_id; } @@ -301,10 +308,16 @@ class CI_DB_pdo_driver extends CI_DB { return $str; } - - // PDO doesn't require escaping - $str = remove_invisible_characters($str); - + + //Escape the string + $str = $this->conn_id->quote($str); + + //If there are duplicated quotes, trim them away + if (strpos($str, "'") === 0) + { + $str = substr($str, 1, -1); + } + // escape LIKE condition wildcards if ($like === TRUE) { @@ -339,7 +352,25 @@ class CI_DB_pdo_driver extends CI_DB { */ function insert_id($name=NULL) { - return $this->conn_id->lastInsertId($name); + //Convenience method for postgres insertid + if (strpos($this->hostname, 'pgsql') !== FALSE) + { + $v = $this->_version(); + + $table = func_num_args() > 0 ? func_get_arg(0) : NULL; + + if ($table == NULL && $v >= '8.1') + { + $sql='SELECT LASTVAL() as ins_id'; + } + $query = $this->query($sql); + $row = $query->row(); + return $row->ins_id; + } + else + { + return $this->conn_id->lastInsertId($name); + } } // -------------------------------------------------------------------- @@ -538,6 +569,24 @@ class CI_DB_pdo_driver extends CI_DB { { return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; } + + // -------------------------------------------------------------------- + + /** + * Insert_batch statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert_batch($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); + } // -------------------------------------------------------------------- @@ -573,6 +622,58 @@ class CI_DB_pdo_driver extends CI_DB { return $sql; } + + // -------------------------------------------------------------------- + + /** + * Update_Batch statement + * + * Generates a platform-specific batch update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @return string + */ + function _update_batch($table, $values, $index, $where = NULL) + { + $ids = array(); + $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; + + foreach ($values as $key => $val) + { + $ids[] = $val[$index]; + + foreach (array_keys($val) as $field) + { + if ($field != $index) + { + $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; + } + } + } + + $sql = "UPDATE ".$table." SET "; + $cases = ''; + + foreach ($final as $k => $v) + { + $cases .= $k.' = CASE '."\n"; + foreach ($v as $row) + { + $cases .= $row."\n"; + } + + $cases .= 'ELSE '.$k.' END, '; + } + + $sql .= substr($cases, 0, -2); + + $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; + + return $sql; + } // -------------------------------------------------------------------- @@ -642,7 +743,7 @@ class CI_DB_pdo_driver extends CI_DB { */ function _limit($sql, $limit, $offset) { - if(strpos($this->hostname, 'cubrid') !== FALSE || strpos($this->hostname, 'sqlite') !== FALSE) + if (strpos($this->hostname, 'cubrid') !== FALSE || strpos($this->hostname, 'sqlite') !== FALSE) { if ($offset == 0) { |