From 782de1101f37b21ff2183fde5b2ed8569d8c287d Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Tue, 12 Jun 2012 03:04:50 +0300 Subject: Added MySQLi backup() support --- system/database/drivers/mysqli/mysqli_utility.php | 119 +++++++++++++++++++++- 1 file changed, 117 insertions(+), 2 deletions(-) (limited to 'system/database/drivers/mysqli/mysqli_utility.php') diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php index 27d4ef817..5d2bdbce0 100644 --- a/system/database/drivers/mysqli/mysqli_utility.php +++ b/system/database/drivers/mysqli/mysqli_utility.php @@ -46,9 +46,124 @@ class CI_DB_mysqli_utility extends CI_DB_utility { */ protected function _backup($params = array()) { - // Currently unsupported - return $this->db->display_error('db_unsuported_feature'); + if (count($params) === 0) + { + return FALSE; + } + + // Extract the prefs for simplicity + extract($params); + + // Build the output + $output = ''; + foreach ( (array) $tables as $table) + { + // Is the table in the "ignore" list? + if (in_array($table, (array) $ignore, TRUE)) + { + continue; + } + + // Get the table schema + $query = $this->db->query('SHOW CREATE TABLE '.$this->db->escape_identifiers($this->db->database.'.'.$table)); + + // No result means the table name was invalid + if ($query === FALSE) + { + continue; + } + + // Write out the table schema + $output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline; + + if ($add_drop === TRUE) + { + $output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline; + } + + $i = 0; + $result = $query->result_array(); + foreach ($result[0] as $val) + { + if ($i++ % 2) + { + $output .= $val.';'.$newline.$newline; + } + } + + // If inserts are not needed we're done... + if ($add_insert === FALSE) + { + continue; + } + + // Grab all the data from the current table + $query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table)); + + if ($query->num_rows() === 0) + { + continue; + } + + // Fetch the field names and determine if the field is an + // integer type. We use this info to decide whether to + // surround the data with quotes or not + + $i = 0; + $field_str = ''; + $is_int = array(); + while ($field = $query->result_id->fetch_field()) + { + // Most versions of MySQL store timestamp as a string + $is_int[$i] = in_array(strtolower($field->type), + array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'), + TRUE); + + // Create a string of field names + $field_str .= $this->db->escape_identifiers($field->name).', '; + $i++; + } + + // Trim off the end comma + $field_str = preg_replace('/, $/' , '', $field_str); + + // Build the insert string + foreach ($query->result_array() as $row) + { + $val_str = ''; + + $i = 0; + foreach ($row as $v) + { + // Is the value NULL? + if ($v === NULL) + { + $val_str .= 'NULL'; + } + else + { + // Escape the data if it's not an integer + $val_str .= ($is_int[$i] === FALSE) ? $this->db->escape($v) : $v; + } + + // Append a comma + $val_str .= ', '; + $i++; + } + + // Remove the comma at the end of the string + $val_str = preg_replace('/, $/' , '', $val_str); + + // Build the INSERT string + $output .= 'INSERT INTO '.$this->db->protect_identifiers($table).' ('.$field_str.') VALUES ('.$val_str.');'.$newline; + } + + $output .= $newline.$newline; + } + + return $output; } + } /* End of file mysqli_utility.php */ -- cgit v1.2.3-24-g4f1b From c5536aac5752054f7f76e448d58b86407d8f574e Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Thu, 1 Nov 2012 17:33:58 +0200 Subject: Manually apply PR #1594 (fixing phpdoc page-level generation/warnings) Also partially fixes issue #1295, fixes inconsistencies in some page-level docblocks and adds include checks in language files. --- system/database/drivers/mysqli/mysqli_utility.php | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'system/database/drivers/mysqli/mysqli_utility.php') diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php index 5d2bdbce0..41a9186ce 100644 --- a/system/database/drivers/mysqli/mysqli_utility.php +++ b/system/database/drivers/mysqli/mysqli_utility.php @@ -1,4 +1,4 @@ - Date: Fri, 2 Nov 2012 02:04:59 +0200 Subject: [ci skip] DocBlocks for DB drivers' utility classes Partially fixes issue #1295. --- system/database/drivers/mysqli/mysqli_utility.php | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) (limited to 'system/database/drivers/mysqli/mysqli_utility.php') diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php index 41a9186ce..345691e84 100644 --- a/system/database/drivers/mysqli/mysqli_utility.php +++ b/system/database/drivers/mysqli/mysqli_utility.php @@ -35,14 +35,33 @@ defined('BASEPATH') OR exit('No direct script access allowed'); */ class CI_DB_mysqli_utility extends CI_DB_utility { + /** + * List databases statement + * + * @var string + */ protected $_list_databases = 'SHOW DATABASES'; + + /** + * OPTIMIZE TABLE statement + * + * @var string + */ protected $_optimize_table = 'OPTIMIZE TABLE %s'; + + /** + * REPAIR TABLE statement + * + * @var string + */ protected $_repair_table = 'REPAIR TABLE %s'; + // -------------------------------------------------------------------- + /** - * MySQLi Export + * Export * - * @param array Preferences + * @param array $params Preferences * @return mixed */ protected function _backup($params = array()) -- cgit v1.2.3-24-g4f1b