371 lines
12 KiB
PHP
371 lines
12 KiB
PHP
<?php
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/**
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* manipulation of table data like inserting, replacing and updating
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* vim: expandtab sw=4 ts=4 sts=4:
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*
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* usally called as form action from tbl_change.php to insert or update table rows
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*
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* @version $Id$
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*
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* @todo 'edit_next' tends to not work as expected if used ... at least there is no order by
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* it needs the original query and the row number and than replace the LIMIT clause
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* @uses PMA_checkParameters()
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* @uses PMA_DBI_select_db()
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* @uses PMA_DBI_query()
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* @uses PMA_DBI_fetch_row()
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* @uses PMA_DBI_get_fields_meta()
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* @uses PMA_DBI_free_result()
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* @uses PMA_DBI_try_query()
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* @uses PMA_DBI_getError()
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* @uses PMA_DBI_affected_rows()
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* @uses PMA_DBI_insert_id()
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* @uses PMA_backquote()
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* @uses PMA_getUvaCondition()
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* @uses PMA_sqlAddslashes()
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* @uses PMA_securePath()
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* @uses PMA_sendHeaderLocation()
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* @uses str_replace()
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* @uses urlencode()
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* @uses count()
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* @uses file_exists()
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* @uses strlen()
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* @uses str_replace()
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* @uses preg_replace()
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* @uses is_array()
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* @uses $GLOBALS['db']
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* @uses $GLOBALS['table']
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* @uses $GLOBALS['goto']
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* @uses $GLOBALS['sql_query']
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*/
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/**
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* do not import request variable into global scope
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*
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* cannot be used as long as it could happen that the $goto file that is included
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* at the end of this script is not updated to work without imported request variables
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*
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* @todo uncomment this if all possible included files to rely on import request variables
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if (! defined('PMA_NO_VARIABLES_IMPORT')) {
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define('PMA_NO_VARIABLES_IMPORT', true);
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}
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*/
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/**
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* Gets some core libraries
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*/
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require_once './libraries/common.lib.php';
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// Check parameters
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PMA_checkParameters(array('db', 'table', 'goto'));
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PMA_DBI_select_db($GLOBALS['db']);
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/**
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* Initializes some variables
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*/
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if (isset($_REQUEST['dontlimitchars'])) {
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$url_params['dontlimitchars'] = $_REQUEST['dontlimitchars'];
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}
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if (isset($_REQUEST['pos'])) {
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$url_params['pos'] = (int) $_REQUEST['pos'];
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}
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if (isset($_REQUEST['session_max_rows'])) {
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$url_params['session_max_rows'] = (int) $_REQUEST['session_max_rows'];
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}
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if (isset($_REQUEST['disp_direction'])) {
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$url_params['disp_direction'] = $_REQUEST['disp_direction'];
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}
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if (isset($_REQUEST['repeat_cells'])) {
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$url_params['repeat_cells'] = (int) $_REQUEST['repeat_cells'];
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}
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$goto_include = false;
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if (isset($_REQUEST['after_insert'])
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&& in_array($_REQUEST['after_insert'], array('new_insert', 'same_insert', 'edit_next'))) {
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$url_params['after_insert'] = $_REQUEST['after_insert'];
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//$GLOBALS['goto'] = 'tbl_change.php';
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$goto_include = 'tbl_change.php';
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if (isset($_REQUEST['primary_key'])) {
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if ($_REQUEST['after_insert'] == 'same_insert') {
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foreach ($_REQUEST['primary_key'] as $pk) {
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$url_params['primary_key'][] = $pk;
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}
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} elseif ($_REQUEST['after_insert'] == 'edit_next') {
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foreach ($_REQUEST['primary_key'] as $pk) {
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$local_query = 'SELECT * FROM ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
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. ' WHERE ' . str_replace('` =', '` >', $pk)
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. ' LIMIT 1;';
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$res = PMA_DBI_query($local_query);
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$row = PMA_DBI_fetch_row($res);
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$meta = PMA_DBI_get_fields_meta($res);
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$url_params['primary_key'][] = PMA_getUvaCondition($res, count($row), $meta, $row);
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}
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}
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}
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} elseif (! empty($GLOBALS['goto'])) {
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if (! preg_match('@^[a-z_]+\.php$@', $GLOBALS['goto'])) {
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// this should NOT happen
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//$GLOBALS['goto'] = false;
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$goto_include = false;
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} else {
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$goto_include = $GLOBALS['goto'];
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}
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if ($GLOBALS['goto'] == 'db_sql.php' && isset($GLOBALS['table'])) {
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unset($GLOBALS['table']);
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}
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}
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if (! $goto_include) {
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if (! isset($GLOBALS['table']) || ! strlen($GLOBALS['table'])) {
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$goto_include = 'db_sql.php';
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} else {
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$goto_include = 'tbl_sql.php';
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}
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}
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// Defines the url to return in case of failure of the query
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if (isset($_REQUEST['err_url'])) {
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$err_url = $_REQUEST['err_url'];
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} else {
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$err_url = 'tbl_change.php' . PMA_generate_common_url($url_params);
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}
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// Misc
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$seen_binary = false;
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/**
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* Prepares the update/insert of a row
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*/
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if (isset($_REQUEST['primary_key'])) {
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// we were editing something => use primary key
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$loop_array = (is_array($_REQUEST['primary_key']) ? $_REQUEST['primary_key'] : array($_REQUEST['primary_key']));
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$using_key = true;
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$is_insert = ($_REQUEST['submit_type'] == $GLOBALS['strInsertAsNewRow']);
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} else {
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// new row => use indexes
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$loop_array = array();
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foreach ($_REQUEST['fields']['multi_edit'] as $key => $dummy) {
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$loop_array[] = $key;
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}
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$using_key = false;
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$is_insert = true;
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}
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$query = array();
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$message = '';
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$value_sets = array();
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$func_no_param = array(
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'NOW',
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'CURDATE',
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'CURTIME',
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'UTC_DATE',
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'UTC_TIME',
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'UTC_TIMESTAMP',
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'UNIX_TIMESTAMP',
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'RAND',
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'USER',
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'LAST_INSERT_ID',
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);
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foreach ($loop_array as $primary_key) {
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// skip fields to be ignored
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if (! $using_key && isset($_REQUEST['insert_ignore_' . $primary_key])) {
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continue;
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}
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// Defines the SET part of the sql query
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$query_values = array();
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// Map multi-edit keys to single-level arrays, dependent on how we got the fields
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$me_fields =
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isset($_REQUEST['fields']['multi_edit'][$primary_key])
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? $_REQUEST['fields']['multi_edit'][$primary_key]
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: array();
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$me_fields_prev =
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isset($_REQUEST['fields_prev']['multi_edit'][$primary_key])
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? $_REQUEST['fields_prev']['multi_edit'][$primary_key]
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: null;
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$me_funcs =
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isset($_REQUEST['funcs']['multi_edit'][$primary_key])
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? $_REQUEST['funcs']['multi_edit'][$primary_key]
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: null;
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$me_fields_type =
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isset($_REQUEST['fields_type']['multi_edit'][$primary_key])
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? $_REQUEST['fields_type']['multi_edit'][$primary_key]
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: null;
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$me_fields_null =
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isset($_REQUEST['fields_null']['multi_edit'][$primary_key])
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? $_REQUEST['fields_null']['multi_edit'][$primary_key]
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: null;
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$me_fields_null_prev =
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isset($_REQUEST['fields_null_prev']['multi_edit'][$primary_key])
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? $_REQUEST['fields_null_prev']['multi_edit'][$primary_key]
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: null;
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$me_auto_increment =
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isset($_REQUEST['auto_increment']['multi_edit'][$primary_key])
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? $_REQUEST['auto_increment']['multi_edit'][$primary_key]
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: null;
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foreach ($me_fields as $key => $val) {
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require './libraries/tbl_replace_fields.inc.php';
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if (empty($me_funcs[$key])) {
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$cur_value = $val;
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} elseif ('UNIX_TIMESTAMP' === $me_funcs[$key] && $val != "''") {
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$cur_value = $me_funcs[$key] . '(' . $val . ')';
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} elseif (in_array($me_funcs[$key], $func_no_param)) {
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$cur_value = $me_funcs[$key] . '()';
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} else {
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$cur_value = $me_funcs[$key] . '(' . $val . ')';
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}
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// i n s e r t
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if ($is_insert) {
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// no need to add column into the valuelist
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$query_values[] = $cur_value;
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// u p d a t e
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} elseif (!empty($me_fields_null_prev[$key])
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&& !isset($me_fields_null[$key])) {
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// field had the null checkbox before the update
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// field no longer has the null checkbox
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$query_values[] = PMA_backquote($key) . ' = ' . $cur_value;
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} elseif (empty($me_funcs[$key])
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&& isset($me_fields_prev[$key])
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&& ("'" . PMA_sqlAddslashes($me_fields_prev[$key]) . "'" == $val)) {
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// No change for this column and no MySQL function is used -> next column
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continue;
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} elseif (! empty($val)) {
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// avoid setting a field to NULL when it's already NULL
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// (field had the null checkbox before the update
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// field still has the null checkbox)
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if (!(! empty($me_fields_null_prev[$key])
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&& isset($me_fields_null[$key]))) {
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$query_values[] = PMA_backquote($key) . ' = ' . $cur_value;
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}
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}
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} // end foreach ($me_fields as $key => $val)
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if (count($query_values) > 0) {
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if ($is_insert) {
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$value_sets[] = implode(', ', $query_values);
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} else {
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// build update query
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$query[] = 'UPDATE ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
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. ' SET ' . implode(', ', $query_values) . ' WHERE ' . $primary_key . ' LIMIT 1';
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}
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}
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} // end foreach ($loop_array as $primary_key)
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unset($me_fields_prev, $me_funcs, $me_fields_type, $me_fields_null, $me_fields_null_prev,
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$me_auto_increment, $cur_value, $key, $val, $loop_array, $primary_key, $using_key,
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$func_no_param);
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// Builds the sql query
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if ($is_insert && count($value_sets) > 0) {
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// first inserted row -> prepare template
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foreach ($me_fields as $key => $val) {
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$query_fields[] = PMA_backquote($key);
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}
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$query[] = 'INSERT INTO ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
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. ' (' . implode(', ', $query_fields) . ') VALUES (' . implode('), (', $value_sets) . ')';
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unset($query_fields, $value_sets);
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$message .= $GLOBALS['strInsertedRows'] . ' ';
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} elseif (! empty($query)) {
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$message .= $GLOBALS['strAffectedRows'] . ' ';
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} else {
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// No change -> move back to the calling script
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$message .= $GLOBALS['strNoModification'];
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$js_to_run = 'functions.js';
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$active_page = $goto_include;
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require_once './libraries/header.inc.php';
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require './' . PMA_securePath($goto_include);
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exit;
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}
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unset($me_fields, $is_insert);
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/**
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* Executes the sql query and get the result, then move back to the calling
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* page
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*/
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if (! empty($GLOBALS['sql_query'])) {
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$url_params['sql_query'] = $GLOBALS['sql_query'];
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$return_to_sql_query = $GLOBALS['sql_query'];
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}
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$GLOBALS['sql_query'] = implode('; ', $query) . ';';
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$total_affected_rows = 0;
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$last_message = '';
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$warning_message = '';
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foreach ($query as $single_query) {
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if ($GLOBALS['cfg']['IgnoreMultiSubmitErrors']) {
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$result = PMA_DBI_try_query($single_query);
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} else {
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$result = PMA_DBI_query($single_query);
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}
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if (isset($GLOBALS['warning'])) {
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$warning_message .= $GLOBALS['warning'] . '[br]';
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}
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if (! $result) {
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$message .= PMA_DBI_getError();
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} else {
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if (@PMA_DBI_affected_rows()) {
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$total_affected_rows += @PMA_DBI_affected_rows();
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}
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$insert_id = PMA_DBI_insert_id();
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if ($insert_id != 0) {
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// insert_id is id of FIRST record inserted in one insert, so if we
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// inserted multiple rows, we had to increment this
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if ($total_affected_rows > 0) {
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$insert_id = $insert_id + $total_affected_rows - 1;
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}
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$last_message .= '[br]' . $GLOBALS['strInsertedRowId'] . ' ' . $insert_id;
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}
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PMA_DBI_free_result($result);
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} // end if
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unset($result);
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}
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unset($single_query, $query);
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$message .= $total_affected_rows . $last_message;
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if (! empty($warning_message)) {
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/**
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* @todo use a <div class="warning"> in PMA_showMessage() for this part of
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* the message
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*/
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$message .= '[br]' . $warning_message;
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}
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unset($warning_message, $total_affected_rows, $last_message);
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if (isset($return_to_sql_query)) {
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$disp_query = $GLOBALS['sql_query'];
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$disp_message = $message;
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unset($message);
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$GLOBALS['sql_query'] = $return_to_sql_query;
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}
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// if user asked to "Insert another new row", we need tbl_change.js
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// otherwise the calendar icon does not work
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if ($goto_include == 'tbl_change.php') {
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/**
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* @todo if we really need to run many different js at header time,
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* $js_to_run would become an array and header.inc.php would iterate
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* thru it, instead of the bunch of if/elseif it does now
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*/
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$js_to_run = 'tbl_change.js';
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} else {
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$js_to_run = 'functions.js';
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}
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$active_page = $goto_include;
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require_once './libraries/header.inc.php';
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require './' . PMA_securePath($goto_include);
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exit;
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?>
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