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1c28e6a8ab62afc6e663b768ce1ef3a2f6698b58
phpmyadmin/libraries/controllers/StructureController.class.php
Jason 1c28e6a8ab Creating StructureController 
Signed-off-by: Jason <jason.daurus@gmail.com>
2015-07-31 01:04:30 +08:00

1528 lines
60 KiB
PHP
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<?php
namespace PMA\Controllers;
use PMA\Template;
use PMA_Index;
use PMA_RecentFavoriteTable;
use PMA_Table;
use PMA_Tracker;
use PMA_Message;
use PMA_PageSettings;
use PMA_Util;
use PMA\Util;
use SqlParser;
require_once 'libraries/common.inc.php';
require_once 'libraries/tbl_info.inc.php';
require_once 'libraries/Index.class.php';
require_once 'libraries/mysql_charsets.inc.php';
require_once 'libraries/config/page_settings.class.php';
require_once 'libraries/util.lib.php';
require_once 'libraries/display_create_table.lib.php';
require_once 'libraries/transformations.lib.php';
require_once 'libraries/Template.class.php';
require_once 'libraries/util.lib.php';
require_once 'libraries/controllers/Controller.class.php';
require_once 'libraries/structure.lib.php';
class StructureController extends Controller
{
/**
* @var string Indicate the db_structure or tbl_structure
*/
protected $_type;
/**
* @var string The database name
*/
protected $_db;
/**
* @var string The table name
*/
protected $_table;
/**
* @var string
*/
protected $_url_query;
protected $_pos;
protected $_db_is_system_schema;
protected $_total_num_tables;
protected $_num_tables;
/**
* @var array
*/
protected $_tables;
/**
* @var boolean
*/
protected $_is_show_stats;
public function __construct($type, $db, $table, $url_query, $num_tables,
$pos, $db_is_system_schema, $total_num_tables, $tables, $is_show_stats
) {
parent::__construct();
$this->_type = $type;
$this->_db = $db;
$this->_table = $table;
$this->_num_tables = $num_tables;
$this->_pos = $pos;
$this->_db_is_system_schema = $db_is_system_schema;
$this->_total_num_tables = $total_num_tables;
$this->_tables = $tables;
$this->_is_show_stats = $is_show_stats;
}
public function indexAction()
{
// Database structure
if ($this->_type == 'db') {
// Add/Remove favorite tables using Ajax request.
if ($GLOBALS['is_ajax_request'] && ! empty($_REQUEST['favorite_table'])) {
$this->addRemoveFavoriteTables();
return;
}
$this->response->getHeader()->getScripts()->addFiles(
array(
'db_structure.js',
'tbl_change.js',
'jquery/jquery-ui-timepicker-addon.js'
)
);
// Drops/deletes/etc. multiple tables if required
if ((!empty($_POST['submit_mult']) && isset($_POST['selected_tbl']))
|| isset($_POST['mult_btn'])
) {
$action = 'db_structure.php';
$err_url = 'db_structure.php' . PMA_URL_getCommon(array('db' => $$this->_db));
// see bug #2794840; in this case, code path is:
// db_structure.php -> libraries/mult_submits.inc.php -> sql.php
// -> db_structure.php and if we got an error on the multi submit,
// we must display it here and not call again mult_submits.inc.php
if (! isset($_POST['error']) || false === $_POST['error']) {
include 'libraries/mult_submits.inc.php';
}
if (empty($_POST['message'])) {
$_POST['message'] = PMA_Message::success();
}
}
$this->_url_query .= '&amp;goto=db_structure.php';
// Gets the database structure
$sub_part = '_structure';
// If there is an Ajax request for real row count of a table.
if ($GLOBALS['is_ajax_request']
&& isset($_REQUEST['real_row_count'])
&& $_REQUEST['real_row_count'] == true
) {
$this->handleRealRowCountRequest();
return;
}
if (!PMA_DRIZZLE) {
include_once 'libraries/replication.inc.php';
} else {
$GLOBALS['replication_info']['slave']['status'] = false;
}
PMA_PageSettings::showGroup('DbStructure');
$db_collation = PMA_getDbCollation($this->_db);
$titles = PMA_Util::buildActionTitles();
// 1. No tables
if ($this->_num_tables == 0) {
$this->response->addHTML(
PMA_message::notice(__('No tables found in database.'))
);
if (empty($db_is_system_schema)) {
$this->response->addHTML(PMA_getHtmlForCreateTable($this->_db));
}
return;
}
// else
// 2. Shows table information
/**
* Displays the tables list
*/
$this->response->addHTML('<div id="tableslistcontainer">');
$_url_params = array(
'pos' => $this->_pos,
'db' => $this->_db);
// Add the sort options if they exists
if (isset($_REQUEST['sort'])) {
$_url_params['sort'] = $_REQUEST['sort'];
}
if (isset($_REQUEST['sort_order'])) {
$_url_params['sort_order'] = $_REQUEST['sort_order'];
}
$this->response->addHTML(
PMA_Util::getListNavigator(
$this->_total_num_tables, $this->_pos, $_url_params, 'db_structure.php',
'frame_content', $GLOBALS['cfg']['MaxTableList']
)
);
// tables form
$this->response->addHTML(
'd method="post" action="db_structure.php" '
. 'name="tablesForm" id="tablesForm">'
);
$this->response->addHTML(PMA_URL_getHiddenInputs($this->_db));
$this->response->addHTML(
Template::get('structure/table_header')->render(
array(
'db_is_system_schema' => $this->_db_is_system_schema,
'replication' => $GLOBALS['replication_info']['slave']['status']
)
)
);
$i = $sum_entries = 0;
$overhead_check = '';
$create_time_all = '';
$update_time_all = '';
$check_time_all = '';
$num_columns = $GLOBALS['cfg']['PropertiesNumColumns'] > 1
? ceil($this->_num_tables / $GLOBALS['cfg']['PropertiesNumColumns']) + 1
: 0;
$row_count = 0;
$sum_size = (double) 0;
$overhead_size = (double) 0;
$hidden_fields = array();
$odd_row = true;
$overall_approx_rows = false;
// Instance of PMA_RecentFavoriteTable class.
$fav_instance = PMA_RecentFavoriteTable::getInstance('favorite');
foreach ($this->_tables as $keyname => $current_table) {
// Get valid statistics whatever is the table type
$drop_query = '';
$drop_message = '';
$already_favorite = false;
$overhead = '';
$table_is_view = false;
$table_encoded = urlencode($current_table['TABLE_NAME']);
// Sets parameters for links
$tbl_url_query = $this->_url_query . '&amp;table=' . $table_encoded;
// do not list the previous table's size info for a view
list($current_table, $formatted_size, $unit, $formatted_overhead,
$overhead_unit, $overhead_size, $table_is_view, $sum_size)
= PMA_getStuffForEngineTypeTable(
$current_table, $this->_db_is_system_schema,
$this->_is_show_stats, $sum_size, $overhead_size
);
$_table = new PMA_Table($current_table['TABLE_NAME'], $this->_db);
if (! $_table->isMerge()) {
$sum_entries += $current_table['TABLE_ROWS'];
}
if (isset($current_table['Collation'])) {
$collation = '<dfn title="'
. PMA_getCollationDescr($current_table['Collation']) . '">'
. $current_table['Collation'] . '</dfn>';
} else {
$collation = '---';
}
if ($this->_is_show_stats) {
if ($formatted_overhead != '') {
$overhead = '<a href="tbl_structure.php'
. $tbl_url_query . '#showusage">'
. '<span>' . $formatted_overhead . '</span>&nbsp;'
. '<span class="unit">' . $overhead_unit . '</span>'
. '</a>' . "\n";
$overhead_check .=
"markAllRows('row_tbl_" . ($i + 1) . "');";
} else {
$overhead = '-';
}
} // end if
$showtable = $this->dbi->getTable(
$GLOBALS['db'], $current_table['TABLE_NAME']
)->sGetStatusInfo(null, true);
if ($GLOBALS['cfg']['ShowDbStructureCreation']) {
$create_time = isset($showtable['Create_time']) ? $showtable['Create_time'] : '';
if ($create_time && (!$create_time_all || $create_time < $create_time_all)) {
$create_time_all = $create_time;
}
}
if ($GLOBALS['cfg']['ShowDbStructureLastUpdate']) {
// $showtable might already be set from ShowDbStructureCreation, see above
$update_time = isset($showtable['Update_time']) ? $showtable['Update_time'] : '';
if ($update_time && (!$update_time_all || $update_time < $update_time_all)) {
$update_time_all = $update_time;
}
}
if ($GLOBALS['cfg']['ShowDbStructureLastCheck']) {
// $showtable might already be set from ShowDbStructureCreation, see above
$check_time = isset($showtable['Check_time']) ? $showtable['Check_time'] : '';
if ($check_time && (!$check_time_all || $check_time < $check_time_all)) {
$check_time_all = $check_time;
}
}
$alias = str_replace(
' ', '&nbsp;', htmlspecialchars(
(!empty($tooltip_aliasname) &&
isset($tooltip_aliasname[$current_table['TABLE_NAME']])) ?
$tooltip_aliasname[$current_table['TABLE_NAME']] :
$current_table['TABLE_NAME']
)
);
$truename = str_replace(
' ', '&nbsp;', htmlspecialchars(
(!empty($tooltip_truename) &&
isset($tooltip_truename[$current_table['TABLE_NAME']])) ?
$tooltip_truename[$current_table['TABLE_NAME']] :
$current_table['TABLE_NAME']
)
);
$i++;
$row_count++;
if ($table_is_view) {
$hidden_fields[] = '<input type="hidden" name="views[]" value="'
. htmlspecialchars($current_table['TABLE_NAME']) . '" />';
}
/*
* Always activate links for Browse, Search and Empty, even if
* the icons are greyed, because
* 1. for views, we don't know the number of rows at this point
* 2. for tables, another source could have populated them since the
* page was generated
*
* I could have used the PHP ternary conditional operator but I find
* the code easier to read without this operator.
*/
$may_have_rows = $current_table['TABLE_ROWS'] > 0 || $table_is_view;
$browse_table = Template::get('structure/browse_table')
->render(
array(
'tbl_url_query' => $tbl_url_query,
'title' => $may_have_rows ? $titles['Browse'] : $titles['NoBrowse']
)
);
$search_table = Template::get('structure/search_table')
->render(
array(
'tbl_url_query' => $tbl_url_query,
'title' => $may_have_rows ? $titles['Search'] : $titles['NoSearch']
)
);
$browse_table_label = Template::get('structure/browse_table_label')
->render(
array(
'tbl_url_query' => $tbl_url_query,
'title' => htmlspecialchars($current_table['TABLE_COMMENT']),
'truename' => $truename
)
);
$empty_table = '';
if (!$this->_db_is_system_schema) {
$empty_table = '&nbsp;';
if (!$table_is_view) {
$empty_table = Template::get('structure/empty_table')
->render(
array(
'tbl_url_query' => $tbl_url_query,
'sql_query' => urlencode(
'TRUNCATE ' . PMA_Util::backquote($current_table['TABLE_NAME'])
),
'message_to_show' => urlencode(
sprintf(
__('Table %s has been emptied.'),
htmlspecialchars($current_table['TABLE_NAME'])
)
),
'title' => $may_have_rows ? $titles['Empty'] : $titles['NoEmpty']
)
);
}
$drop_query = sprintf(
'DROP %s %s',
($table_is_view || $current_table['ENGINE'] == null) ? 'VIEW' : 'TABLE',
PMA_Util::backquote(
$current_table['TABLE_NAME']
)
);
$drop_message = sprintf(
(($table_is_view || $current_table['ENGINE'] == null)
? __('View %s has been dropped.')
: __('Table %s has been dropped.')),
str_replace(
' ', '&nbsp;',
htmlspecialchars($current_table['TABLE_NAME'])
)
);
}
$tracking_icon = '';
if (PMA_Tracker::isActive()) {
$is_tracked = PMA_Tracker::isTracked($GLOBALS["db"], $truename);
if ($is_tracked || PMA_Tracker::getVersion($GLOBALS["db"], $truename) > 0) {
$tracking_icon = Template::get('structure/tracking_icon')
->render(
array(
'url_query' => $this->_url_query,
'truename' => $truename,
'is_tracked' => $is_tracked
)
);
}
}
if ($num_columns > 0
&& $this->_num_tables > $num_columns
&& ($row_count % $num_columns) == 0
) {
$row_count = 1;
$odd_row = true;
$this->response->addHTML(
'</tr></tbody></table>'
);
$this->response->addHTML(
Template::get('structure/table_header')->render(
array(
'db_is_system_schema' => false,
'replication' => $GLOBALS['replication_info']['slave']['status']
)
)
);
}
$do = $ignored = false;
$server_slave_status = $GLOBALS['replication_info']['slave']['status'];
include_once 'libraries/replication.inc.php';
if ($server_slave_status) {
$nbServSlaveDoDb = count($GLOBALS['replication_info']['slave']['Do_DB']);
$nbServSlaveIgnoreDb = count($GLOBALS['replication_info']['slave']['Ignore_DB']);
$searchDoDBInTruename = array_search($truename, $GLOBALS['replication_info']['slave']['Do_DB']);
$searchDoDBInDB = array_search($GLOBALS['db'], $GLOBALS['replication_info']['slave']['Do_DB']);
$do = strlen($searchDoDBInTruename) > 0 || strlen($searchDoDBInDB) > 0 ||
($nbServSlaveDoDb == 1 && $nbServSlaveIgnoreDb == 1) ||
$this->hasTable($GLOBALS['replication_info']['slave']['Wild_Do_Table'], $truename);
$searchDb = array_search($GLOBALS['db'], $GLOBALS['replication_info']['slave']['Ignore_DB']);
$searchTable = array_search($truename, $GLOBALS['replication_info']['slave']['Ignore_Table']);
$ignored = (strlen($searchTable) > 0) || strlen($searchDb) > 0 ||
$this->hasTable($GLOBALS['replication_info']['slave']['Wild_Ignore_Table'], $truename);
}
// Handle favorite table list. ----START----
$already_favorite = $this->checkFavoriteTable($current_table['TABLE_NAME']);
if (isset($_REQUEST['remove_favorite'])) {
if ($already_favorite) {
// If already in favorite list, remove it.
$favorite_table = $_REQUEST['favorite_table'];
$fav_instance->remove($this->_db, $favorite_table);
}
}
if (isset($_REQUEST['add_favorite'])) {
if (!$already_favorite) {
// Otherwise add to favorite list.
$favorite_table = $_REQUEST['favorite_table'];
$fav_instance->add($this->_db, $favorite_table);
}
} // Handle favorite table list. ----ENDS----
$show_superscript = '';
// there is a null value in the ENGINE
// - when the table needs to be repaired, or
// - when it's a view
// so ensure that we'll display "in use" below for a table
// that needs to be repaired
$approx_rows = false;
if (isset($current_table['TABLE_ROWS']) && ($current_table['ENGINE'] != null || $table_is_view)) {
// InnoDB table: we did not get an accurate row count
$approx_rows = !$table_is_view && $current_table['ENGINE'] == 'InnoDB' && !$current_table['COUNTED'];
// Drizzle views use FunctionEngine, and the only place where they are
// available are I_S and D_D schemas, where we do exact counting
if ($table_is_view && $current_table['TABLE_ROWS'] >= $GLOBALS['cfg']['MaxExactCountViews'] && $current_table['ENGINE'] != 'FunctionEngine') {
$approx_rows = true;
$show_superscript = PMA_Util::showHint(
PMA_sanitize(
sprintf(
__('This view has at least this number of rows. Please refer to %sdocumentation%s.'),
'[doc@cfg_MaxExactCountViews]', '[/doc]'
)
)
);
}
}
$this->response->addHTML(
Template::get('structure/structure_table_row')
->render(
array(
'db' => $this->_db,
'curr' => $i,
'odd_row' => $odd_row,
'table_is_view' => $table_is_view,
'current_table' => $current_table,
'browse_table_label' => $browse_table_label,
'tracking_icon' => $tracking_icon,
'server_slave_status' => $GLOBALS['replication_info']['slave']['status'],
'browse_table' => $browse_table,
'tbl_url_query' => $tbl_url_query,
'search_table' => $search_table,
'db_is_system_schema' => $this->_db_is_system_schema,
'titles' => $titles,
'empty_table' => $empty_table,
'drop_query' => $drop_query,
'drop_message' => $drop_message,
'collation' => $collation,
'formatted_size' => $formatted_size,
'unit' => $unit,
'overhead' => $overhead,
'create_time' => isset ($create_time) ? $create_time : '',
'update_time' => isset ($update_time) ? $update_time : '',
'check_time' => isset ($check_time) ? $check_time : '',
'is_show_stats' => $this->_is_show_stats,
'ignored' => $ignored,
'do' => $do,
'colspan_for_structure' => $GLOBALS['colspan_for_structure'],
'approx_rows' => $approx_rows,
'show_superscript' => $show_superscript,
'already_favorite' => $this->checkFavoriteTable($current_table['TABLE_NAME'])
)
)
);
$odd_row = ! $odd_row;
$overall_approx_rows = $overall_approx_rows || $approx_rows;
} // end foreach
// Show Summary
$this->response->addHTML('</tbody>');
$this->response->addHTML(
Template::get('structure/body_for_table_summary')->render(
array(
'num_tables' => $this->_num_tables,
'server_slave_status' => $GLOBALS['replication_info']['slave']['status'],
'db_is_system_schema' => $this->_db_is_system_schema,
'sum_entries' => $sum_entries,
'db_collation' => $db_collation,
'is_show_stats' => $this->_is_show_stats,
'sum_size' => $sum_size,
'overhead_size' => $overhead_size,
'create_time_all' => $create_time_all,
'update_time_all' => $update_time_all,
'check_time_all' => $check_time_all,
'approx_rows' => $overall_approx_rows
)
)
);
$this->response->addHTML('</table>');
//check all
$this->response->addHTML(
Template::get('structure/check_all_tables')->render(
array(
'pmaThemeImage' => $GLOBALS['pmaThemeImage'],
'text_dir' => $GLOBALS['text_dir'],
'overhead_check' => $overhead_check,
'db_is_system_schema' => $this->_db_is_system_schema,
'hidden_fields' => $hidden_fields
)
)
);
$this->response->addHTML('</form>'); //end of form
// display again the table list navigator
$this->response->addHTML(
PMA_Util::getListNavigator(
$this->_total_num_tables, $this->_pos, $_url_params, 'db_structure.php',
'frame_content', $GLOBALS['cfg']['MaxTableList']
)
);
$this->response->addHTML('</div><hr />');
/**
* Work on the database
*/
/* DATABASE WORK */
/* Printable view of a table */
$this->response->addHTML(
Template::get('structure/print_view_data_dictionary_link')->render(
array('url_query' => $this->_url_query)
)
);
if (empty($db_is_system_schema)) {
$this->response->addHTML(PMA_getHtmlForCreateTable($this->_db));
}
} elseif ($this->_type == 'table') { // Table structure
PMA_PageSettings::showGroup('TableStructure');
/**
* Function implementations for this script
*/
require_once 'libraries/check_user_privileges.lib.php';
require_once 'libraries/structure.lib.php';
require_once 'libraries/index.lib.php';
require_once 'libraries/sql.lib.php';
require_once 'libraries/bookmark.lib.php';
$this->response->getHeader()->getScripts()->addFiles(
array(
'tbl_structure.js',
'indexes.js'
)
);
/**
* Handle column moving
*/
if (isset($_REQUEST['move_columns'])
&& is_array($_REQUEST['move_columns'])
&& $this->response->isAjax()
) {
$this->moveColumns($this->_db, $this->_table);
return;
}
/**
* handle MySQL reserved words columns check
*/
if (isset($_REQUEST['reserved_word_check'])) {
if ($GLOBALS['cfg']['ReservedWordDisableWarning'] === false) {
$columns_names = $_REQUEST['field_name'];
$reserved_keywords_names = array();
foreach ($columns_names as $column) {
if (SqlParser\Context::isKeyword(trim($column), true)) {
$reserved_keywords_names[] = trim($column);
}
}
if (SqlParser\Context::isKeyword(trim($this->_table), true)) {
$reserved_keywords_names[] = trim($this->_table);
}
if (count($reserved_keywords_names) == 0) {
$this->response->isSuccess(false);
}
$this->response->addJSON(
'message', sprintf(
_ngettext(
'The name \'%s\' is a MySQL reserved keyword.',
'The names \'%s\' are MySQL reserved keywords.',
count($reserved_keywords_names)
),
implode(',', $reserved_keywords_names)
)
);
} else {
$this->response->isSuccess(false);
}
return;
}
/**
* A click on Change has been made for one column
*/
if (isset($_REQUEST['change_column'])) {
$this->displayHtmlForColumnChange($this->_db, $this->_table, null, 'tbl_structure.php');
return;
}
/**
* handle multiple field commands if required
*
* submit_mult_*_x comes from IE if <input type="img" ...> is used
*/
$submit_mult = $this->getMultipleFieldCommandType();
if (! empty($submit_mult)) {
if (isset($_REQUEST['selected_fld'])) {
if ($submit_mult == 'browse') {
// browsing the table displaying only selected columns
$this->displayTableBrowseForSelectedColumns(
$this->_db, $this->_table, $GLOBALS['goto'], $GLOBALS['pmaThemeImage']
);
} else {
// handle multiple field commands
// handle confirmation of deleting multiple columns
$action = 'tbl_structure.php';
include 'libraries/mult_submits.inc.php';
/**
* if $submit_mult == 'change', execution will have stopped
* at this point
*/
if (empty($message)) {
$message = PMA_Message::success();
}
}
} else {
$this->response->isSuccess(false);
$this->response->addJSON('message', __('No column selected.'));
}
}
// display secondary level tabs if necessary
$engine = $this->dbi->getTable($this->_db, $this->_table)->sGetStatusInfo('ENGINE');
$this->response->addHTML(Template::get('structure/secondary_tabs')
->render(
array(
'url_params' => array(
'db' => $GLOBALS['db'],
'table' => $GLOBALS['table']
),
'engine' => $engine
)
));
$this->response->addHTML('<div id="structure_content">');
/**
* Modifications have been submitted -> updates the table
*/
if (isset($_REQUEST['do_save_data'])) {
$regenerate = $this->updateColumns($this->_db, $this->_table);
if ($regenerate) {
// This happens when updating failed
// @todo: do something appropriate
} else {
// continue to show the table's structure
unset($_REQUEST['selected']);
}
}
/**
* Adding indexes
*/
if (isset($_REQUEST['add_key'])) {
include 'sql.php';
$GLOBALS['reload'] = true;
}
/**
* Gets the relation settings
*/
$cfgRelation = PMA_getRelationsParam();
/**
* Runs common work
*/
$this->_url_query .= '&amp;goto=tbl_structure.php&amp;back=tbl_structure.php';
$url_params['goto'] = 'tbl_structure.php';
$url_params['back'] = 'tbl_structure.php';
/**
* Prepares the table structure display
*/
/**
* Gets tables information
*/
require_once 'libraries/tbl_info.inc.php';
require_once 'libraries/Index.class.php';
// 2. Gets table keys and retains them
// @todo should be: $server->db($db)->table($table)->primary()
$primary = PMA_Index::getPrimary($this->_table, $this->_db);
$columns_with_index = $this->dbi
->getTable($this->_db, $this->_table)
->getColumnsWithIndex(
PMA_Index::UNIQUE | PMA_Index::INDEX | PMA_Index::SPATIAL | PMA_Index::FULLTEXT
);
$columns_with_unique_index = $this->dbi
->getTable($this->_db, $this->_table)
->getColumnsWithIndex(PMA_Index::UNIQUE);
// 3. Get fields
$fields = (array) $this->dbi->getColumns($this->_db, $this->_table, null, true);
// Get more complete field information
// For now, this is done just for MySQL 4.1.2+ new TIMESTAMP options
// but later, if the analyser returns more information, it
// could be executed for any MySQL version and replace
// the info given by SHOW FULL COLUMNS FROM.
//
// We also need this to correctly learn if a TIMESTAMP is NOT NULL, since
// SHOW FULL COLUMNS or INFORMATION_SCHEMA incorrectly says NULL
// and SHOW CREATE TABLE says NOT NULL (tested
// in MySQL 4.0.25 and 5.0.21, http://bugs.mysql.com/20910).
$tableObj = new PMA_Table($this->_table, $this->_db);
$show_create_table = $tableObj->showCreate();
$parser = new SqlParser\Parser($show_create_table);
/**
* @var CreateStatement $stmt
*/
$stmt = $parser->statements[0];
$create_table_fields = SqlParser\Utils\Table::getFields($stmt);
//display table structure
require_once 'libraries/display_structure.inc.php';
$this->response->addHTML('</div>');
}
}
/**
* Add or remove favorite tables
*
* @return void
*/
function addRemoveFavoriteTables()
{
$fav_instance = PMA_RecentFavoriteTable::getInstance('favorite');
if (isset($_REQUEST['favorite_tables'])) {
$favorite_tables = json_decode($_REQUEST['favorite_tables'], true);
} else {
$favorite_tables = array();
}
// Required to keep each user's preferences separate.
$user = sha1($GLOBALS['cfg']['Server']['user']);
// Request for Synchronization of favorite tables.
if (isset($_REQUEST['sync_favorite_tables'])) {
$this->synchronizeFavoriteTables($fav_instance, $user, $favorite_tables);
return;
}
$changes = true;
$titles = PMA_Util::buildActionTitles();
$favorite_table = $_REQUEST['favorite_table'];
$already_favorite = $this->checkFavoriteTable($favorite_table);
if (isset($_REQUEST['remove_favorite'])) {
if ($already_favorite) {
// If already in favorite list, remove it.
$fav_instance->remove($this->_db, $favorite_table);
}
} elseif (isset($_REQUEST['add_favorite'])) {
if (!$already_favorite) {
if (count($fav_instance->getTables()) == $GLOBALS['cfg']['NumFavoriteTables']) {
$changes = false;
} else {
// Otherwise add to favorite list.
$fav_instance->add($this->_db, $favorite_table);
}
}
}
$favorite_tables[$user] = $fav_instance->getTables();
$this->response->addJSON('changes', $changes);
if (!$changes) {
$this->response->addJSON(
'message',
Template::get('components/error_message')
->render(
array(
'msg' => __("Favorite List is full!")
)
)
);
return;
}
$this->response->addJSON(
array(
'user' => $user,
'favorite_tables' => json_encode($favorite_tables),
'list' => $fav_instance->getHtmlList(),
'anchor' => Template::get('structure/favorite_anchor')
->render(
array(
'db' => $this->_db,
'current_table' => array(
'TABLE_NAME' => $favorite_table
),
'titles' => $titles
)
)
)
);
}
/**
* Synchronize favorite tables
*
*
* @param PMA_RecentFavoriteTable $fav_instance Instance of this class
* @param string $user The user hash
* @param array $favorite_tables Existing favorites
*
* @return void
*/
function synchronizeFavoriteTables($fav_instance, $user, $favorite_tables)
{
$fav_instance_tables = $fav_instance->getTables();
if (empty($fav_instance_tables)
&& isset($favorite_tables[$user])
) {
foreach ($favorite_tables[$user] as $key => $value) {
$fav_instance->add($value['db'], $value['table']);
}
}
$favorite_tables[$user] = $fav_instance->getTables();
$$this->response->addJSON(
array(
'favorite_tables' => json_encode($favorite_tables),
'list' => $fav_instance->getHtmlList()
)
);
$server_id = $GLOBALS['server'];
// Set flag when localStorage and pmadb(if present) are in sync.
$_SESSION['tmpval']['favorites_synced'][$server_id] = true;
}
/**
* Function to check if a table is already in favorite list.
*
* @param string $current_table current table
*
* @return true|false
*/
function checkFavoriteTable($current_table)
{
foreach ($_SESSION['tmpval']['favorite_tables'][$GLOBALS['server']] as $value) {
if ($value['db'] == $this->_db && $value['table'] == $current_table) {
return true;
}
}
return false;
}
/**
* Handles request for real row count on database level view page.
*
* @return boolean true
*/
function handleRealRowCountRequest()
{
$ajax_response = $this->response;
// If there is a request to update all table's row count.
if (!isset($_REQUEST['real_row_count_all'])) {
// Get the real row count for the table.
$real_row_count = $this->dbi
->getTable($GLOBALS['db'], $_REQUEST['table'])
->getRealRowCountTable();
// Format the number.
$real_row_count = PMA_Util::formatNumber($real_row_count, 0);
$ajax_response->addJSON('real_row_count', $real_row_count);
return;
}
// Array to store the results.
$real_row_count_all = array();
// Iterate over each table and fetch real row count.
foreach ($GLOBALS['tables'] as $table) {
$row_count = $this->dbi
->getTable($GLOBALS['db'], $table['TABLE_NAME'])
->getRealRowCountTable();
$real_row_count_all[] = array(
'table' => $table['TABLE_NAME'],
'row_count' => $row_count
);
}
$ajax_response->addJSON(
'real_row_count_all',
json_encode($real_row_count_all)
);
}
/**
* Moves columns in the table's structure based on $_REQUEST
*
* @param string $db database name
* @param string $table table name
*
* @return void
*/
function moveColumns($db, $table)
{
$this->dbi->selectDb($db);
/*
* load the definitions for all columns
*/
$columns = $this->dbi->getColumnsFull($db, $table);
$column_names = array_keys($columns);
$changes = array();
// move columns from first to last
for ($i = 0, $l = count($_REQUEST['move_columns']); $i < $l; $i++) {
$column = $_REQUEST['move_columns'][$i];
// is this column already correctly placed?
if ($column_names[$i] == $column) {
continue;
}
// it is not, let's move it to index $i
$data = $columns[$column];
$extracted_columnspec = PMA_Util::extractColumnSpec($data['Type']);
if (isset($data['Extra']) && $data['Extra'] == 'on update CURRENT_TIMESTAMP') {
$extracted_columnspec['attribute'] = $data['Extra'];
unset($data['Extra']);
}
$current_timestamp = ($data['Type'] == 'timestamp' || $data['Type'] == 'datetime') &&
$data['Default'] == 'CURRENT_TIMESTAMP';
if ($data['Null'] === 'YES' && $data['Default'] === null) {
$default_type = 'NULL';
} elseif ($current_timestamp) {
$default_type = 'CURRENT_TIMESTAMP';
} elseif ($data['Default'] === null) {
$default_type = 'NONE';
} else {
$default_type = 'USER_DEFINED';
}
$virtual = array(
'VIRTUAL', 'PERSISTENT', 'VIRTUAL GENERATED', 'STORED GENERATED'
);
$data['Virtuality'] = '';
$data['Expression'] = '';
if (isset($data['Extra']) && in_array($data['Extra'], $virtual)) {
$data['Virtuality'] = str_replace(' GENERATED', '', $data['Extra']);
$table = new PMA_Table($GLOBALS['table'], $GLOBALS['db']);
$expressions = $table->getColumnGenerationExpression($column);
$data['Expression'] = $expressions[$column];
}
$changes[] = 'CHANGE ' . PMA_Table::generateAlter(
$column,
$column,
/*overload*/mb_strtoupper($extracted_columnspec['type']),
$extracted_columnspec['spec_in_brackets'],
$extracted_columnspec['attribute'],
isset($data['Collation']) ? $data['Collation'] : '',
$data['Null'] === 'YES' ? 'NULL' : 'NOT NULL',
$default_type,
$current_timestamp ? '' : $data['Default'],
isset($data['Extra']) && $data['Extra'] !== '' ? $data['Extra'] : false,
isset($data['COLUMN_COMMENT']) && $data['COLUMN_COMMENT'] !== ''
? $data['COLUMN_COMMENT'] : false,
$data['Virtuality'],
$data['Expression'],
$i === 0 ? '-first' : $column_names[$i - 1]
);
// update current column_names array, first delete old position
for ($j = 0, $ll = count($column_names); $j < $ll; $j++) {
if ($column_names[$j] == $column) {
unset($column_names[$j]);
}
}
// insert moved column
array_splice($column_names, $i, 0, $column);
}
if (empty($changes)) { // should never happen
$this->response->isSuccess(false);
return;
}
// move columns
$this->dbi->tryQuery(sprintf(
'ALTER TABLE %s %s',
PMA_Util::backquote($table),
implode(', ', $changes)
));
$tmp_error = $this->dbi->getError();
if ($tmp_error) {
$this->response->isSuccess(false);
$this->response->addJSON('message', PMA_Message::error($tmp_error));
} else {
$message = PMA_Message::success(
__('The columns have been moved successfully.')
);
$this->response->addJSON('message', $message);
$this->response->addJSON('columns', $column_names);
}
}
/**
* Displays HTML for changing one or more columns
*
* @param string $db database name
* @param string $table table name
* @param array $selected the selected columns
* @param string $action target script to call
*
* @return boolean $regenerate true if error occurred
*
*/
function displayHtmlForColumnChange($db, $table, $selected, $action)
{
// $selected comes from mult_submits.inc.php
if (empty($selected)) {
$selected[] = $_REQUEST['field'];
$selected_cnt = 1;
} else { // from a multiple submit
$selected_cnt = count($selected);
}
/**
* @todo optimize in case of multiple fields to modify
*/
$fields_meta = array();
for ($i = 0; $i < $selected_cnt; $i++) {
$fields_meta[] = $this->dbi->getColumns(
$db, $table, $selected[$i], true
);
}
$num_fields = count($fields_meta);
// set these globals because tbl_columns_definition_form.inc.php
// verifies them
// @todo: refactor tbl_columns_definition_form.inc.php so that it uses
// function params
$GLOBALS['action'] = $action;
$GLOBALS['num_fields'] = $num_fields;
/**
* Form for changing properties.
*/
include_once 'libraries/check_user_privileges.lib.php';
include 'libraries/tbl_columns_definition_form.inc.php';
}
/**
* Function to get the type of command for multiple field handling
*
* @return string
*/
function getMultipleFieldCommandType()
{
$types = array(
'change', 'drop', 'primary',
'index', 'unique', 'spatial',
'fulltext', 'browse'
);
foreach ($types as $type) {
if (isset($_REQUEST['submit_mult_' . $type . '_x'])) {
return $type;
}
}
if (isset($_REQUEST['submit_mult'])) {
return $_REQUEST['submit_mult'];
} elseif (isset($_REQUEST['mult_btn']) && $_REQUEST['mult_btn'] == __('Yes')) {
if (isset($_REQUEST['selected'])) {
$_REQUEST['selected_fld'] = $_REQUEST['selected'];
}
return 'row_delete';
}
return null;
}
/**
* Function to display table browse for selected columns
*
* @param string $db current database
* @param string $table current table
* @param string $goto goto page url
* @param string $pmaThemeImage URI of the pma theme image
*
* @return void
*/
function displayTableBrowseForSelectedColumns(
$db, $table, $goto, $pmaThemeImage
) {
$GLOBALS['active_page'] = 'sql.php';
$fields = array();
foreach ($_REQUEST['selected_fld'] as $sval) {
$fields[] = PMA_Util::backquote($sval);
}
$sql_query = sprintf(
'SELECT %s FROM %s.%s',
implode(', ', $fields),
PMA_Util::backquote($db),
PMA_Util::backquote($table)
);
// Parse and analyze the query
// @todo Refactor parse_analyze.inc to function
include_once 'libraries/parse_analyze.inc.php';
include_once 'libraries/sql.lib.php';
$this->response->addHTML(
PMA_executeQueryAndGetQueryResponse(
isset($analyzed_sql_results) ? $analyzed_sql_results : '',
false, // is_gotofile
$db, // db
$table, // table
null, // find_real_end
null, // sql_query_for_bookmark
null, // extra_data
null, // message_to_show
null, // message
null, // sql_data
$goto, // goto
$pmaThemeImage, // pmaThemeImage
null, // disp_query
null, // disp_message
null, // query_type
$sql_query, // sql_query
null, // selectedTables
null // complete_query
)
);
}
/**
* Update the table's structure based on $_REQUEST
*
* @param string $db database name
* @param string $table table name
*
* @return boolean $regenerate true if error occurred
*
*/
function updateColumns($db, $table)
{
$err_url = 'tbl_structure.php' . PMA_URL_getCommon(
array(
'db' => $db, 'table' => $table
)
);
$regenerate = false;
$field_cnt = count($_REQUEST['field_name']);
$changes = array();
$pmatable = new PMA_Table($table, $db);
$adjust_privileges = array();
for ($i = 0; $i < $field_cnt; $i++) {
if ($this->columnNeedsAlterTable($i)) {
$changes[] = 'CHANGE ' . PMA_Table::generateAlter(
Util\get($_REQUEST, "field_orig.${i}", ''),
$_REQUEST['field_name'][$i],
$_REQUEST['field_type'][$i],
$_REQUEST['field_length'][$i],
$_REQUEST['field_attribute'][$i],
Util\get($_REQUEST, "field_collation.${i}", ''),
Util\get($_REQUEST, "field_null.${i}", 'NOT NULL'),
$_REQUEST['field_default_type'][$i],
$_REQUEST['field_default_value'][$i],
Util\get($_REQUEST, "field_extra.${i}", false),
Util\get($_REQUEST, "field_comments.${i}", ''),
Util\get($_REQUEST, "field_virtuality.${i}", ''),
Util\get($_REQUEST, "field_expression.${i}", ''),
Util\get($_REQUEST, "field_move_to.${i}", '')
);
// find the remembered sort expression
$sorted_col = $pmatable->getUiProp(PMA_Table::PROP_SORTED_COLUMN);
// if the old column name is part of the remembered sort expression
if (/*overload*/mb_strpos($sorted_col,
PMA_Util::backquote($_REQUEST['field_orig'][$i])
) !== false) {
// delete the whole remembered sort expression
$pmatable->removeUiProp(PMA_Table::PROP_SORTED_COLUMN);
}
if (isset($_REQUEST['field_adjust_privileges'][$i])
&& ! empty($_REQUEST['field_adjust_privileges'][$i])
&& $_REQUEST['field_orig'][$i] != $_REQUEST['field_name'][$i]
) {
$adjust_privileges[$_REQUEST['field_orig'][$i]]
= $_REQUEST['field_name'][$i];
}
}
} // end for
if (count($changes) > 0 || isset($_REQUEST['preview_sql'])) {
// Builds the primary keys statements and updates the table
$key_query = '';
/**
* this is a little bit more complex
*
* @todo if someone selects A_I when altering a column we need to check:
* - no other column with A_I
* - the column has an index, if not create one
*
*/
// To allow replication, we first select the db to use
// and then run queries on this db.
if (!$this->dbi->selectDb($db)) {
PMA_Util::mysqlDie(
$this->dbi->getError(),
'USE ' . PMA_Util::backquote($db) . ';',
false,
$err_url
);
}
$sql_query = 'ALTER TABLE ' . PMA_Util::backquote($table) . ' ';
$sql_query .= implode(', ', $changes) . $key_query;
$sql_query .= ';';
// If there is a request for SQL previewing.
if (isset($_REQUEST['preview_sql'])) {
PMA_previewSQL(count($changes) > 0 ? $sql_query : '');
}
$changedToBlob = array();
// While changing the Column Collation
// First change to BLOB
for ($i = 0; $i < $field_cnt; $i++ ) {
if (isset($_REQUEST['field_collation'][$i])
&& isset($_REQUEST['field_collation_orig'][$i])
&& $_REQUEST['field_collation'][$i] !== $_REQUEST['field_collation_orig'][$i]
) {
$secondary_query = 'ALTER TABLE ' . PMA_Util::backquote($table)
. ' CHANGE ' . PMA_Util::backquote($_REQUEST['field_orig'][$i])
. ' ' . PMA_Util::backquote($_REQUEST['field_orig'][$i])
. ' BLOB;';
$this->dbi->query($secondary_query);
$changedToBlob[$i] = true;
} else {
$changedToBlob[$i] = false;
}
}
// Then make the requested changes
$result = $this->dbi->tryQuery($sql_query);
if ($result !== false) {
$changed_privileges = $this->adjustColumnPrivileges(
$db, $table, $adjust_privileges
);
if ($changed_privileges) {
$message = PMA_Message::success(
__(
'Table %1$s has been altered successfully. Privileges ' .
'have been adjusted.'
)
);
} else {
$message = PMA_Message::success(
__('Table %1$s has been altered successfully.')
);
}
$message->addParam($table);
$this->response->addHTML(
PMA_Util::getMessage($message, $sql_query, 'success')
);
} else {
// An error happened while inserting/updating a table definition
// Save the Original Error
$orig_error = $this->dbi->getError();
$changes_revert = array();
// Change back to Orignal Collation and data type
for ($i = 0; $i < $field_cnt; $i++) {
if ($changedToBlob[$i]) {
$changes_revert[] = 'CHANGE ' . PMA_Table::generateAlter(
Util\get($_REQUEST, "field_orig.${i}", ''),
$_REQUEST['field_name'][$i],
$_REQUEST['field_type_orig'][$i],
$_REQUEST['field_length_orig'][$i],
$_REQUEST['field_attribute_orig'][$i],
Util\get($_REQUEST, "field_collation_orig.${i}", ''),
Util\get($_REQUEST, "field_null_orig.${i}", 'NOT NULL'),
$_REQUEST['field_default_type_orig'][$i],
$_REQUEST['field_default_value_orig'][$i],
Util\get($_REQUEST, "field_extra_orig.${i}", false),
Util\get($_REQUEST, "field_comments_orig.${i}", ''),
Util\get($_REQUEST, "field_move_to_orig.${i}", '')
);
}
}
$revert_query = 'ALTER TABLE ' . PMA_Util::backquote($table) . ' ';
$revert_query .= implode(', ', $changes_revert) . '';
$revert_query .= ';';
// Column reverted back to original
$this->dbi->query($revert_query);
$this->response->isSuccess(false);
$this->response->addJSON(
'message',
PMA_Message::rawError(
__('Query error') . ':<br />' . $orig_error
)
);
$regenerate = true;
}
}
// update field names in relation
if (isset($_REQUEST['field_orig']) && is_array($_REQUEST['field_orig'])) {
foreach ($_REQUEST['field_orig'] as $fieldindex => $fieldcontent) {
if ($_REQUEST['field_name'][$fieldindex] != $fieldcontent) {
PMA_REL_renameField(
$db, $table, $fieldcontent,
$_REQUEST['field_name'][$fieldindex]
);
}
}
}
// update mime types
if (isset($_REQUEST['field_mimetype']) && is_array($_REQUEST['field_mimetype']) && $GLOBALS['cfg']['BrowseMIME']) {
foreach ($_REQUEST['field_mimetype'] as $fieldindex => $mimetype) {
if (isset($_REQUEST['field_name'][$fieldindex])
&& /*overload*/mb_strlen(
$_REQUEST['field_name'][$fieldindex]
)
) {
PMA_setMIME(
$db, $table, $_REQUEST['field_name'][$fieldindex],
$mimetype,
$_REQUEST['field_transformation'][$fieldindex],
$_REQUEST['field_transformation_options'][$fieldindex],
$_REQUEST['field_input_transformation'][$fieldindex],
$_REQUEST['field_input_transformation_options'][$fieldindex]
);
}
}
}
return $regenerate;
}
/**
* Adjusts the Privileges for all the columns whose names have changed
*
* @param string $db database name
* @param string $table table name
* @param array $adjust_privileges assoc array of old col names mapped to new cols
*
* @return boolean $changed boolean whether atleast one column privileges adjusted
*/
function adjustColumnPrivileges($db, $table, $adjust_privileges)
{
$changed = false;
if ((!defined('PMA_DRIZZLE') || !PMA_DRIZZLE) &&
Util\get($GLOBALS, 'col_priv', false) &&
Util\get($GLOBALS, 'flush_priv', false)
) {
$this->dbi->selectDb('mysql');
// For Column specific privileges
foreach ($adjust_privileges as $oldCol => $newCol) {
$this->dbi->query(sprintf(
'UPDATE %s SET Column_name = "%s"
WHERE Db = "%s"
AND Table_name = "%s"
AND Column_name = "%s";',
PMA_Util::backquote('columns_priv'),
$newCol, $db, $table, $oldCol
));
// i.e. if atleast one column privileges adjusted
$changed = true;
}
if ($changed) {
// Finally FLUSH the new privileges
$this->dbi->query("FLUSH PRIVILEGES;");
}
}
return $changed;
}
/**
* Verifies if some elements of a column have changed
*
* @param integer $i column index in the request
*
* @return boolean $alterTableNeeded true if we need to generate ALTER TABLE
*
*/
function columnNeedsAlterTable($i)
{
// these two fields are checkboxes so might not be part of the
// request; therefore we define them to avoid notices below
if (! isset($_REQUEST['field_null'][$i])) {
$_REQUEST['field_null'][$i] = 'NO';
}
if (! isset($_REQUEST['field_extra'][$i])) {
$_REQUEST['field_extra'][$i] = '';
}
// field_name does not follow the convention (corresponds to field_orig)
$fields = array(
'field_attribute', 'field_collation', 'field_comments',
'field_default_value', 'field_default_type', 'field_extra',
'field_length', 'field_name', 'field_null', 'field_type'
);
foreach ($fields as $field) {
if ($_REQUEST[$field][$i] != $_REQUEST[$field . '_orig'][$i]) {
return true;
}
}
return !empty($_REQUEST['field_move_to'][$i]);
}
/**
* Find table with truename
*
* @param array $db
* @param bool $truename
* @return bool
*/
function hasTable($db, $truename)
{
foreach ($db as $db_table) {
if ($GLOBALS['db'] == PMA_extractDbOrTable($db_table) &&
preg_match("@^" . /*overload*/
mb_substr(PMA_extractDbOrTable($db_table, 'table'), 0, -1) . "@", $truename
)
) {
return true;
}
}
return false;
}
}
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