/xampp/phpMyAdmin/tbl_replace.php
PHP | 414 lines | 268 code | 45 blank | 101 comment | 69 complexity | 4addd888f80c8e2b76f5c5f0feae427f MD5 | raw file
- <?php
- /* vim: set expandtab sw=4 ts=4 sts=4: */
- /**
- * manipulation of table data like inserting, replacing and updating
- *
- * usally called as form action from tbl_change.php to insert or update table rows
- *
- * @version $Id: tbl_replace.php 12245 2009-02-23 08:36:34Z lem9 $
- *
- * @todo 'edit_next' tends to not work as expected if used ... at least there is no order by
- * it needs the original query and the row number and than replace the LIMIT clause
- * @uses PMA_checkParameters()
- * @uses PMA_DBI_select_db()
- * @uses PMA_DBI_query()
- * @uses PMA_DBI_fetch_row()
- * @uses PMA_DBI_get_fields_meta()
- * @uses PMA_DBI_free_result()
- * @uses PMA_DBI_try_query()
- * @uses PMA_DBI_getError()
- * @uses PMA_DBI_affected_rows()
- * @uses PMA_DBI_insert_id()
- * @uses PMA_backquote()
- * @uses PMA_getUniqueCondition()
- * @uses PMA_sqlAddslashes()
- * @uses PMA_securePath()
- * @uses PMA_sendHeaderLocation()
- * @uses str_replace()
- * @uses count()
- * @uses file_exists()
- * @uses strlen()
- * @uses str_replace()
- * @uses preg_replace()
- * @uses is_array()
- * @uses $GLOBALS['db']
- * @uses $GLOBALS['table']
- * @uses $GLOBALS['goto']
- * @uses $GLOBALS['sql_query']
- * @uses PMA_File::getRecentBLOBReference()
- */
- /**
- * do not import request variable into global scope
- *
- * cannot be used as long as it could happen that the $goto file that is included
- * at the end of this script is not updated to work without imported request variables
- *
- * @todo uncomment this if all possible included files to rely on import request variables
- if (! defined('PMA_NO_VARIABLES_IMPORT')) {
- define('PMA_NO_VARIABLES_IMPORT', true);
- }
- */
- /**
- * Gets some core libraries
- */
- require_once './libraries/common.inc.php';
- // Check parameters
- PMA_checkParameters(array('db', 'table', 'goto'));
- PMA_DBI_select_db($GLOBALS['db']);
- /**
- * Initializes some variables
- */
- $goto_include = false;
- if (isset($_REQUEST['insert_rows']) && is_numeric($_REQUEST['insert_rows']) && $_REQUEST['insert_rows'] != $cfg['InsertRows']) {
- $cfg['InsertRows'] = $_REQUEST['insert_rows'];
- $GLOBALS['js_include'][] = 'tbl_change.js';
- require_once './libraries/header.inc.php';
- require './tbl_change.php';
- exit;
- }
- if (isset($_REQUEST['after_insert'])
- && in_array($_REQUEST['after_insert'], array('new_insert', 'same_insert', 'edit_next'))) {
- $url_params['after_insert'] = $_REQUEST['after_insert'];
- //$GLOBALS['goto'] = 'tbl_change.php';
- $goto_include = 'tbl_change.php';
- if (isset($_REQUEST['primary_key'])) {
- if ($_REQUEST['after_insert'] == 'same_insert') {
- foreach ($_REQUEST['primary_key'] as $pk) {
- $url_params['primary_key'][] = $pk;
- }
- } elseif ($_REQUEST['after_insert'] == 'edit_next') {
- foreach ($_REQUEST['primary_key'] as $pk) {
- $local_query = 'SELECT * FROM ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
- . ' WHERE ' . str_replace('` =', '` >', $pk)
- . ' LIMIT 1;';
- $res = PMA_DBI_query($local_query);
- $row = PMA_DBI_fetch_row($res);
- $meta = PMA_DBI_get_fields_meta($res);
- // must find a unique condition based on unique key,
- // not a combination of all fields
- if ($tmp = PMA_getUniqueCondition($res, count($meta), $meta, $row, true)) {
- $_SESSION['edit_next'] = $tmp;
- }
- unset($tmp);
- }
- }
- }
- } elseif (! empty($GLOBALS['goto'])) {
- if (! preg_match('@^[a-z_]+\.php$@', $GLOBALS['goto'])) {
- // this should NOT happen
- //$GLOBALS['goto'] = false;
- $goto_include = false;
- } else {
- $goto_include = $GLOBALS['goto'];
- }
- if ($GLOBALS['goto'] == 'db_sql.php' && strlen($GLOBALS['table'])) {
- $GLOBALS['table'] = '';
- }
- }
- if (! $goto_include) {
- if (! strlen($GLOBALS['table'])) {
- $goto_include = 'db_sql.php';
- } else {
- $goto_include = 'tbl_sql.php';
- }
- }
- // Defines the url to return in case of failure of the query
- if (isset($_REQUEST['err_url'])) {
- $err_url = $_REQUEST['err_url'];
- } else {
- $err_url = 'tbl_change.php' . PMA_generate_common_url($url_params);
- }
- /**
- * Prepares the update/insert of a row
- */
- if (isset($_REQUEST['primary_key'])) {
- // we were editing something => use primary key
- $loop_array = (is_array($_REQUEST['primary_key']) ? $_REQUEST['primary_key'] : array($_REQUEST['primary_key']));
- $using_key = true;
- $is_insert = ($_REQUEST['submit_type'] == $GLOBALS['strInsertAsNewRow']);
- } else {
- // new row => use indexes
- $loop_array = array();
- foreach ($_REQUEST['fields']['multi_edit'] as $key => $dummy) {
- $loop_array[] = $key;
- }
- $using_key = false;
- $is_insert = true;
- }
- $query = array();
- $value_sets = array();
- $func_no_param = array(
- 'NOW',
- 'CURDATE',
- 'CURTIME',
- 'UTC_DATE',
- 'UTC_TIME',
- 'UTC_TIMESTAMP',
- 'UNIX_TIMESTAMP',
- 'RAND',
- 'USER',
- 'LAST_INSERT_ID',
- );
- foreach ($loop_array as $rowcount => $primary_key) {
- // skip fields to be ignored
- if (! $using_key && isset($_REQUEST['insert_ignore_' . $primary_key])) {
- continue;
- }
- // Defines the SET part of the sql query
- $query_values = array();
- // Map multi-edit keys to single-level arrays, dependent on how we got the fields
- $me_fields =
- isset($_REQUEST['fields']['multi_edit'][$rowcount])
- ? $_REQUEST['fields']['multi_edit'][$rowcount]
- : array();
- $me_fields_prev =
- isset($_REQUEST['fields_prev']['multi_edit'][$rowcount])
- ? $_REQUEST['fields_prev']['multi_edit'][$rowcount]
- : null;
- $me_funcs =
- isset($_REQUEST['funcs']['multi_edit'][$rowcount])
- ? $_REQUEST['funcs']['multi_edit'][$rowcount]
- : null;
- $me_fields_type =
- isset($_REQUEST['fields_type']['multi_edit'][$rowcount])
- ? $_REQUEST['fields_type']['multi_edit'][$rowcount]
- : null;
- $me_fields_null =
- isset($_REQUEST['fields_null']['multi_edit'][$rowcount])
- ? $_REQUEST['fields_null']['multi_edit'][$rowcount]
- : null;
- $me_fields_null_prev =
- isset($_REQUEST['fields_null_prev']['multi_edit'][$rowcount])
- ? $_REQUEST['fields_null_prev']['multi_edit'][$rowcount]
- : null;
- $me_auto_increment =
- isset($_REQUEST['auto_increment']['multi_edit'][$rowcount])
- ? $_REQUEST['auto_increment']['multi_edit'][$rowcount]
- : null;
- $primary_field = PMA_BS_GetPrimaryField($GLOBALS['db'], $GLOBALS['table']);
- // Fetch the current values of a row to use in case we have a protected field
- // @todo possibly move to ./libraries/tbl_replace_fields.inc.php
- if ($is_insert && $using_key && isset($me_fields_type) &&
- is_array($me_fields_type) && isset($primary_key)) {
- $prot_result = PMA_DBI_query('SELECT * FROM ' .
- PMA_backquote($table) . ' WHERE ' . $primary_key . ';');
- $prot_row = PMA_DBI_fetch_assoc($prot_result);
- PMA_DBI_free_result($prot_result);
- unset($prot_result);
- }
- foreach ($me_fields as $key => $val) {
- require './libraries/tbl_replace_fields.inc.php';
- // rajk - for blobstreaming
- if (NULL != $primary_field || strlen($primary_field) > 0)
- {
- $remove_blob_repo = isset($_REQUEST['remove_blob_repo_' . $key]) ? $_REQUEST['remove_blob_repo_' . $key] : NULL;
- $upload_blob_repo = isset($_REQUEST['upload_blob_repo_' . $key]) ? $_REQUEST['upload_blob_repo_' . $key] : NULL;
- // checks if an existing blob repository reference should be removed
- if (isset($remove_blob_repo) && !isset($upload_blob_repo))
- {
- $remove_blob_reference = $_REQUEST['remove_blob_ref_' . $key];
- if (isset($remove_blob_reference))
- $val = "''";
- }
- // checks if this field requires a bs reference attached to it
- $requires_bs_reference = isset($upload_blob_repo);
- if ($requires_bs_reference)
- {
- // get the most recent BLOB reference
- $bs_reference = PMA_File::getRecentBLOBReference();
- // if the most recent BLOB reference exists, set it as a field value
- if (!is_null($bs_reference))
- $val = "'" . PMA_sqlAddslashes($bs_reference) . "'";
- }
- }
-
- if (empty($me_funcs[$key])) {
- $cur_value = $val;
- } elseif ('UNIX_TIMESTAMP' === $me_funcs[$key] && $val != "''") {
- $cur_value = $me_funcs[$key] . '(' . $val . ')';
- } elseif (in_array($me_funcs[$key], $func_no_param)) {
- $cur_value = $me_funcs[$key] . '()';
- } else {
- $cur_value = $me_funcs[$key] . '(' . $val . ')';
- }
- // i n s e r t
- if ($is_insert) {
- // no need to add column into the valuelist
- if (strlen($cur_value)) {
- $query_values[] = $cur_value;
- // first inserted row so prepare the list of fields
- if (empty($value_sets)) {
- $query_fields[] = PMA_backquote($key);
- }
- }
- // u p d a t e
- } elseif (!empty($me_fields_null_prev[$key])
- && !isset($me_fields_null[$key])) {
- // field had the null checkbox before the update
- // field no longer has the null checkbox
- $query_values[] = PMA_backquote($key) . ' = ' . $cur_value;
- } elseif (empty($me_funcs[$key])
- && isset($me_fields_prev[$key])
- && ("'" . PMA_sqlAddslashes($me_fields_prev[$key]) . "'" == $val)) {
- // No change for this column and no MySQL function is used -> next column
- continue;
- } elseif (! empty($val)) {
- // avoid setting a field to NULL when it's already NULL
- // (field had the null checkbox before the update
- // field still has the null checkbox)
- if (!(! empty($me_fields_null_prev[$key])
- && isset($me_fields_null[$key]))) {
- $query_values[] = PMA_backquote($key) . ' = ' . $cur_value;
- }
- }
- } // end foreach ($me_fields as $key => $val)
- if (count($query_values) > 0) {
- if ($is_insert) {
- $value_sets[] = implode(', ', $query_values);
- } else {
- // build update query
- $query[] = 'UPDATE ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
- . ' SET ' . implode(', ', $query_values) . ' WHERE ' . str_replace(']', ']', $primary_key) . ' LIMIT 1';
- }
- }
- } // end foreach ($loop_array as $primary_key)
- unset($me_fields_prev, $me_funcs, $me_fields_type, $me_fields_null, $me_fields_null_prev,
- $me_auto_increment, $cur_value, $key, $val, $loop_array, $primary_key, $using_key,
- $func_no_param);
- // Builds the sql query
- if ($is_insert && count($value_sets) > 0) {
- $query[] = 'INSERT INTO ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
- . ' (' . implode(', ', $query_fields) . ') VALUES (' . implode('), (', $value_sets) . ')';
- unset($query_fields, $value_sets);
- $message = PMA_Message::success('strRowsInserted');
- } elseif (! empty($query)) {
- $message = PMA_Message::success('strRowsAffected');
- } else {
- // No change -> move back to the calling script
- $message = PMA_Message::success('strNoModification');
- $GLOBALS['js_include'][] = 'functions.js';
- $active_page = $goto_include;
- require_once './libraries/header.inc.php';
- require './' . PMA_securePath($goto_include);
- exit;
- }
- unset($me_fields, $is_insert);
- /**
- * Executes the sql query and get the result, then move back to the calling
- * page
- */
- if (! empty($GLOBALS['sql_query'])) {
- $url_params['sql_query'] = $GLOBALS['sql_query'];
- $return_to_sql_query = $GLOBALS['sql_query'];
- }
- $GLOBALS['sql_query'] = implode('; ', $query) . ';';
- $total_affected_rows = 0;
- $last_messages = array();
- $warning_messages = array();
- $error_messages = array();
- foreach ($query as $single_query) {
- if ($GLOBALS['cfg']['IgnoreMultiSubmitErrors']) {
- $result = PMA_DBI_try_query($single_query);
- } else {
- $result = PMA_DBI_query($single_query);
- }
- if (! $result) {
- $error_messages[] = PMA_DBI_getError();
- } else {
- if (@PMA_DBI_affected_rows()) {
- $total_affected_rows += @PMA_DBI_affected_rows();
- }
- $insert_id = PMA_DBI_insert_id();
- if ($insert_id != 0) {
- // insert_id is id of FIRST record inserted in one insert, so if we
- // inserted multiple rows, we had to increment this
- if ($total_affected_rows > 0) {
- $insert_id = $insert_id + $total_affected_rows - 1;
- }
- $last_message = PMA_Message::notice('strInsertedRowId');
- $last_message->addParam($insert_id);
- $last_messages[] = $last_message;
- }
- PMA_DBI_free_result($result);
- } // end if
- foreach (PMA_DBI_get_warnings() as $warning) {
- $warning_messages[] = $warning['Level'] . ': #' . $warning['Code']
- . ' ' . $warning['Message'];
- }
- unset($result);
- }
- unset($single_query, $query);
- $message->addParam($total_affected_rows);
- $message->addMessages($last_messages, '<br />');
- if (! empty($warning_messages)) {
- /**
- * @todo use a <div class="warning"> in PMA_showMessage() for this part of
- * the message
- */
- $message->addMessages($warning_messages, '<br />');
- $message->isWarning(true);
- }
- if (! empty($error_messages)) {
- $message->addMessages($error_messages);
- $message->isError(true);
- }
- unset($error_messages, $warning_messages, $total_affected_rows, $last_messages, $last_message);
- if (isset($return_to_sql_query)) {
- $disp_query = $GLOBALS['sql_query'];
- $disp_message = $message;
- unset($message);
- $GLOBALS['sql_query'] = $return_to_sql_query;
- }
- $GLOBALS['js_include'][] = 'tbl_change.js';
- $GLOBALS['js_include'][] = 'functions.js';
- // in case we call sql.php which needs those:
- $GLOBALS['js_include'][] = 'mootools.js';
- $active_page = $goto_include;
- require_once './libraries/header.inc.php';
- require './' . PMA_securePath($goto_include);
- exit;
- ?>