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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Holds the PMA\TableStructureController
*
* @package PMA
*/
namespace PMAControllers;
use PMATemplate;
use PMA_Index;
use PMA_Partition;
use PMA_Table;
use PMA_Message;
use PMA_PageSettings;
use PMA_Util;
use PMAUtil;
use SqlParser;
require_once 'libraries/Index.class.php';
require_once 'libraries/Partition.class.php';
require_once 'libraries/mysql_charsets.inc.php';
require_once 'libraries/config/page_settings.class.php';
require_once 'libraries/transformations.lib.php';
require_once 'libraries/Template.class.php';
require_once 'libraries/util.lib.php';
require_once 'libraries/controllers/TableController.class.php';
/**
* Handles table structure logic
*
* @package PhpMyAdmin
*/
class TableStructureController extends TableController
{
/**
* @var PMA_Table The table object
*/
protected $_table_obj;
/**
* @var string The URL query string
*/
protected $_url_query;
/**
* @var bool DB is information_schema
*/
protected $_db_is_system_schema;
/**
* @var bool Table is a view
*/
protected $_tbl_is_view;
/**
* @var string Table storage engine
*/
protected $_tbl_storage_engine;
/**
* @var int Number of rows
*/
protected $_table_info_num_rows;
/**
* @var string Table collation
*/
protected $_tbl_collation;
/**
* @var array Show table info
*/
protected $_showtable;
/**
* TableStructureController constructor
*
* @param string $type Indicate the db_structure or tbl_structure
* @param string $db DB name
* @param string $table Table name
* @param string $url_query URL query
* @param int $num_tables Number of tables
* @param int $pos Current position in the list
* @param bool $db_is_system_schema DB is information_schema
* @param int $total_num_tables Number of tables
* @param array $tables Tables in the DB
* @param bool $is_show_stats Whether stats show or not
* @param bool $tbl_is_view Table is a view
* @param string $tbl_storage_engine Table storage engine
* @param int $table_info_num_rows Number of rows
* @param string $tbl_collation Table collation
* @param array $showtable Show table info
*/
public function __construct(
$type, $db, $table, $url_query, $num_tables, $pos, $db_is_system_schema,
$total_num_tables, $tables, $is_show_stats, $tbl_is_view,
$tbl_storage_engine, $table_info_num_rows, $tbl_collation, $showtable
) {
parent::__construct();
$this->_db_is_system_schema = $db_is_system_schema;
$this->_url_query = $url_query;
$this->_tbl_is_view = $tbl_is_view;
$this->_tbl_storage_engine = $tbl_storage_engine;
$this->_table_info_num_rows = $table_info_num_rows;
$this->_tbl_collation = $tbl_collation;
$this->_showtable = $showtable;
$this->table_obj = $this->dbi->getTable($this->db, $this->table);
}
/**
* Index action
*
* @return void
*/
public function indexAction()
{
PMA_PageSettings::showGroup('TableStructure');
/**
* Function implementations for this script
*/
include_once 'libraries/check_user_privileges.lib.php';
include_once 'libraries/index.lib.php';
include_once 'libraries/sql.lib.php';
include_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()
) {
$this->moveColumns();
return;
}
/**
* handle MySQL reserved words columns check
*/
if (isset($_REQUEST['reserved_word_check'])) {
if ($GLOBALS['cfg']['ReservedWordDisableWarning'] === false) {
$columns_names = $_REQUEST['field_name'];
$reserved_keywords_names = array();
foreach ($columns_names as $column) {
if (SqlParserContext::isKeyword(trim($column), true)) {
$reserved_keywords_names[] = trim($column);
}
}
if (SqlParserContext::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(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(
$GLOBALS['goto'], $GLOBALS['pmaThemeImage']
);
} else {
// handle multiple field commands
// handle confirmation of deleting multiple columns
$action = 'tbl_structure.php';
$GLOBALS['selected'] = $_REQUEST['selected_fld'];
list(
$what_ret, $query_type_ret, $is_unset_submit_mult,
$mult_btn_ret, $centralColsError
)
= $this->getDataForSubmitMult(
$submit_mult, $_REQUEST['selected_fld'], $action
);
//update the existing variables
// todo: refactor mult_submits.inc.php such as
// below globals are not needed anymore
if (isset($what_ret)) {
$GLOBALS['what'] = $what_ret;
global $what;
}
if (isset($query_type_ret)) {
$GLOBALS['query_type'] = $query_type_ret;
global $query_type;
}
if ($is_unset_submit_mult) {
unset($submit_mult);
}
if (isset($mult_btn_ret)) {
$GLOBALS['mult_btn'] = $mult_btn_ret;
global $mult_btn;
}
include 'libraries/mult_submits.inc.php';
/**
* if $submit_mult == 'change', execution will have stopped
* at this point
*/
if (empty($message)) {
$message = PMA_Message::success();
}
$this->response->addHTML(
PMA_Util::getMessage($message, $sql_query)
);
}
} else {
$this->response->isSuccess(false);
$this->response->addJSON('message', __('No column selected.'));
}
}
// display secondary level tabs if necessary
$engine = $this->table_obj->getStatusInfo('ENGINE');
$this->response->addHTML(
Template::get('table/secondary_tabs')->render(
array(
'url_params' => array(
'db' => $this->db,
'table' => $this->table
),
'engine' => $engine
)
)
);
$this->response->addHTML('<div id="structure_content">');
/**
* Modifications have been submitted -> updates the table
*/
if (isset($_REQUEST['do_save_data'])) {
$regenerate = $this->updateColumns();
if ($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'])
|| isset($_REQUEST['partition_maintenance'])
) {
//todo: set some variables for sql.php include, to be eliminated
//after refactoring sql.php
$db = $this->db;
$table = $this->table;
$cfg = $GLOBALS['cfg'];
$is_superuser = $GLOBALS['dbi']->isSuperuser();
$pmaThemeImage = $GLOBALS['pmaThemeImage'];
include 'sql.php';
$GLOBALS['reload'] = true;
}
/**
* Gets the relation settings
*/
$cfgRelation = PMA_getRelationsParam();
/**
* Runs common work
*/
// set db, table references, for require_once that follows
// got to be eliminated in long run
$db = &$this->db;
$table = &$this->table;
include_once 'libraries/tbl_common.inc.php';
$this->_url_query = $url_query
. '&goto=tbl_structure.php&back=tbl_structure.php';
$url_params['goto'] = 'tbl_structure.php';
$url_params['back'] = 'tbl_structure.php';
/**
* Gets tables information
*/
include_once 'libraries/tbl_info.inc.php';
include_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).
$show_create_table = $this->table_obj->showCreate();
$parser = new SqlParserParser($show_create_table);
/**
* @var CreateStatement $stmt
*/
$stmt = $parser->statements[0];
$create_table_fields = SqlParserUtilsTable::getFields($stmt);
//display table structure
$this->response->addHTML(
$this->displayStructure(
$cfgRelation, $columns_with_unique_index, $url_params, $primary,
$fields, $columns_with_index, $create_table_fields
)
);
$this->response->addHTML('</div>');
}
/**
* Moves columns in the table's structure based on $_REQUEST
*
* @return void
*/
protected function moveColumns()
{
$this->dbi->selectDb($this->db);
/*
* load the definitions for all columns
*/
$columns = $this->dbi->getColumnsFull($this->db, $this->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']);
$expressions = $this->table->getColumnGenerationExpression($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
$this->dbi->tryQuery(
sprintf(
'ALTER TABLE %s %s',
PMA_Util::backquote($this->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 array $selected the selected columns
* @param string $action target script to call
*
* @return boolean $regenerate true if error occurred
*
*/
protected function displayHtmlForColumnChange($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(
$this->db, $this->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
// protected 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
*/
protected 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 $goto goto page url
* @param string $pmaThemeImage URI of the pma theme image
*
* @return void
*/
protected function displayTableBrowseForSelectedColumns($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(', ', $fields),
PMA_Util::backquote($this->db),
PMA_Util::backquote($this->table)
);
// Parse and analyze the query
// @todo Refactor parse_analyze.inc to protected function
$db = &$this->db;
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
$this->db, // db
$this->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
*
* @return boolean $regenerate true if error occurred
*
*/
protected function updateColumns()
{
$err_url = 'tbl_structure.php' . PMA_URL_getCommon(
array(
'db' => $this->db, 'table' => $this->table
)
);
$regenerate = false;
$field_cnt = count($_REQUEST['field_name']);
$changes = array();
$adjust_privileges = array();
for ($i = 0; $i < $field_cnt; $i++) {
if (!$this->columnNeedsAlterTable($i)) {
continue;
}
$changes[] = 'CHANGE ' . PMA_Table::generateAlter(
Utilget($_REQUEST, "field_orig.${i}", ''),
$_REQUEST['field_name'][$i],
$_REQUEST['field_type'][$i],
$_REQUEST['field_length'][$i],
$_REQUEST['field_attribute'][$i],
Utilget($_REQUEST, "field_collation.${i}", ''),
Utilget($_REQUEST, "field_null.${i}", 'NOT NULL'),
$_REQUEST['field_default_type'][$i],
$_REQUEST['field_default_value'][$i],
Utilget($_REQUEST, "field_extra.${i}", false),
Utilget($_REQUEST, "field_comments.${i}", ''),
Utilget($_REQUEST, "field_virtuality.${i}", ''),
Utilget($_REQUEST, "field_expression.${i}", ''),
Utilget($_REQUEST, "field_move_to.${i}", '')
);
// find the remembered sort expression
$sorted_col = $this->table_obj->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
$this->table_obj->removeUiProp(PMA_Table::PROP_SORTED_COLUMN);
}
if (isset($_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($this->db)) {
PMA_Util::mysqlDie(
$this->dbi->getError(),
'USE ' . PMA_Util::backquote($this->db) . ';',
false,
$err_url
);
}
$sql_query = 'ALTER TABLE ' . PMA_Util::backquote($this->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(
$this->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(
$adjust_privileges
);
if ($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.')
);
}
$message->addParam($this->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]) {
$changes_revert[] = 'CHANGE ' . PMA_Table::generateAlter(
Utilget($_REQUEST, "field_orig.${i}", ''),
$_REQUEST['field_name'][$i],
$_REQUEST['field_type_orig'][$i],
$_REQUEST['field_length_orig'][$i],
$_REQUEST['field_attribute_orig'][$i],
Utilget($_REQUEST, "field_collation_orig.${i}", ''),
Utilget($_REQUEST, "field_null_orig.${i}", 'NOT NULL'),
$_REQUEST['field_default_type_orig'][$i],
$_REQUEST['field_default_value_orig'][$i],
Utilget($_REQUEST, "field_extra_orig.${i}", false),
Utilget($_REQUEST, "field_comments_orig.${i}", ''),
Utilget($_REQUEST, "field_move_to_orig.${i}", '')
);
}
}
$revert_query = 'ALTER TABLE ' . PMA_Util::backquote($this->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(
$this->db, $this->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(
$this->db, $this->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 array $adjust_privileges assoc array of old col names mapped to new
* cols
*
* @return boolean $changed boolean whether at least one column privileges
* adjusted
*/
protected function adjustColumnPrivileges($adjust_privileges)
{
$changed = false;
if ((!defined('PMA_DRIZZLE') || !PMA_DRIZZLE)
&& Utilget($GLOBALS, 'col_priv', false)
&& Utilget($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, $this->db, $this->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 $alterTableNeeded true if we need to generate ALTER TABLE
*
*/
protected function columnNeedsAlterTable($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]);
}
/**
* Displays the table structure ('show table' works correct since 3.23.03)
*
* @param array $cfgRelation current relation parameters
* @param array $columns_with_unique_index Columns with unique index
* @param mixed $url_params Contains an associative
* array with url params
* @param PMA_Index|false $primary_index primary index or false if
* no one exists
* @param array $fields Fields
* @param array $columns_with_index Columns with index
* @param array $create_table_fields Fields of the table.
*
* @return string
*/
protected function displayStructure(
$cfgRelation, $columns_with_unique_index, $url_params, $primary_index,
$fields, $columns_with_index, $create_table_fields
) {
/* TABLE INFORMATION */
$HideStructureActions = '';
if ($GLOBALS['cfg']['HideStructureActions'] === true) {
$HideStructureActions .= ' HideStructureActions';
}
// prepare comments
$comments_map = array();
$mime_map = array();
if ($GLOBALS['cfg']['ShowPropertyComments']) {
include_once 'libraries/transformations.lib.php';
$comments_map = PMA_getComments($this->db, $this->table);
if ($cfgRelation['mimework'] && $GLOBALS['cfg']['BrowseMIME']) {
$mime_map = PMA_getMIME($this->db, $this->table, true);
}
}
include_once 'libraries/central_columns.lib.php';
$central_list = PMA_getCentralColumnsFromTable($this->db, $this->table);
$columns_list = array();
$titles = array(
'Change' => PMA_Util::getIcon('b_edit.png', __('Change')),
'Drop' => PMA_Util::getIcon('b_drop.png', __('Drop')),
'NoDrop' => PMA_Util::getIcon('b_drop.png', __('Drop')),
'Primary' => PMA_Util::getIcon('b_primary.png', __('Primary')),
'Index' => PMA_Util::getIcon('b_index.png', __('Index')),
'Unique' => PMA_Util::getIcon('b_unique.png', __('Unique')),
'Spatial' => PMA_Util::getIcon('b_spatial.png', __('Spatial')),
'IdxFulltext' => PMA_Util::getIcon('b_ftext.png', __('Fulltext')),
'NoPrimary' => PMA_Util::getIcon('bd_primary.png', __('Primary')),
'NoIndex' => PMA_Util::getIcon('bd_index.png', __('Index')),
'NoUnique' => PMA_Util::getIcon('bd_unique.png', __('Unique')),
'NoSpatial' => PMA_Util::getIcon('bd_spatial.png', __('Spatial')),
'NoIdxFulltext' => PMA_Util::getIcon('bd_ftext.png', __('Fulltext')),
'DistinctValues' => PMA_Util::getIcon(
'b_browse.png',
__('Distinct values')
),
);
/**
* Work on the table
*/
if ($this->_tbl_is_view) {
$item = $this->dbi->fetchSingleRow(
sprintf(
"SELECT `VIEW_DEFINITION`, `CHECK_OPTION`, `DEFINER`,
`SECURITY_TYPE`
FROM `INFORMATION_SCHEMA`.`VIEWS`
WHERE TABLE_SCHEMA='%s'
AND TABLE_NAME='%s';",
PMA_Util::sqlAddSlashes($this->db),
PMA_Util::sqlAddSlashes($this->table)
)
);
$createView = $this->dbi->getTable($this->db, $this->table)
->showCreate();
// get algorithm from $createView of the form
// CREATE ALGORITHM=<ALGORITHM> DE...
$parts = explode(" ", substr($createView, 17));
$item['ALGORITHM'] = $parts[0];
$view = array(
'operation' => 'alter',
'definer' => $item['DEFINER'],
'sql_security' => $item['SECURITY_TYPE'],
'name' => $this->table,
'as' => $item['VIEW_DEFINITION'],
'with' => $item['CHECK_OPTION'],
'algorithm' => $item['ALGORITHM'],
);
$edit_view_url = 'view_create.php'
. PMA_URL_getCommon($url_params) . '&'
. implode(
'&',
array_map(
function ($key, $val) {
return 'view[' . urlencode($key) . ']=' . urlencode(
$val
);
},
array_keys($view), $view
)
);
}
/**
* Displays Space usage and row statistics
*/
// BEGIN - Calc Table Space
// Get valid statistics whatever is the table type
if ($GLOBALS['cfg']['ShowStats']) {
//get table stats in HTML format
$tablestats = $this->getTableStats();
//returning the response in JSON format to be used by Ajax
$this->response->addJSON('tableStat', $tablestats);
}
// END - Calc Table Space
return Template::get('table/structure/display_structure')->render(
array(
'HideStructureActions' => $HideStructureActions,
'db' => $this->db,
'table' => $this->table,
'db_is_system_schema' => $this->_db_is_system_schema,
'tbl_is_view' => $this->_tbl_is_view,
'mime_map' => $mime_map,
'url_query' => $this->_url_query,
'titles' => $titles,
'tbl_storage_engine' => $this->_tbl_storage_engine,
'primary' => $primary_index,
'columns_with_unique_index' => $columns_with_unique_index,
'edit_view_url' => isset($edit_view_url) ? $edit_view_url : null,
'columns_list' => $columns_list,
'tablestats' => isset($tablestats) ? $tablestats : null,
'fields' => $fields,
'columns_with_index' => $columns_with_index,
'central_list' => $central_list,
'create_table_fields' => $create_table_fields,
'comments_map' => $comments_map
)
);
}
/**
* Get HTML snippet for display table statistics
*
* @return string $html_output
*/
protected function getTableStats()
{
if (empty($this->_showtable)) {
$this->_showtable = $this->dbi->getTable(
$this->db, $this->table
)->getStatusInfo(null, true);
}
if (empty($this->_showtable['Data_length'])) {
$this->_showtable['Data_length'] = 0;
}
if (empty($this->_showtable['Index_length'])) {
$this->_showtable['Index_length'] = 0;
}
$is_innodb = (isset($this->_showtable['Type'])
&& $this->_showtable['Type'] == 'InnoDB');
$mergetable = $this->table_obj->isMerge();
// this is to display for example 261.2 MiB instead of 268k KiB
$max_digits = 3;
$decimals = 1;
list($data_size, $data_unit) = PMA_Util::formatByteDown(
$this->_showtable['Data_length'], $max_digits, $decimals
);
if ($mergetable == false) {
list($index_size, $index_unit) = PMA_Util::formatByteDown(
$this->_showtable['Index_length'], $max_digits, $decimals
);
}
// InnoDB returns a huge value in Data_free, do not use it
if (! $is_innodb && isset($this->_showtable['Data_free'])
&& $this->_showtable['Data_free'] > 0
) {
list($free_size, $free_unit) = PMA_Util::formatByteDown(
$this->_showtable['Data_free'], $max_digits, $decimals
);
list($effect_size, $effect_unit) = PMA_Util::formatByteDown(
$this->_showtable['Data_length']
+ $this->_showtable['Index_length']
- $this->_showtable['Data_free'],
$max_digits, $decimals
);
} else {
list($effect_size, $effect_unit) = PMA_Util::formatByteDown(
$this->_showtable['Data_length']
+ $this->_showtable['Index_length'],
$max_digits, $decimals
);
}
list($tot_size, $tot_unit) = PMA_Util::formatByteDown(
$this->_showtable['Data_length'] + $this->_showtable['Index_length'],
$max_digits, $decimals
);
if ($this->_table_info_num_rows > 0) {
list($avg_size, $avg_unit) = PMA_Util::formatByteDown(
($this->_showtable['Data_length']
+ $this->_showtable['Index_length'])
/ $this->_showtable['Rows'],
6,
1
);
} else {
$avg_size = $avg_unit = '';
}
return Template::get('table/structure/display_table_stats')->render(
array(
'showtable' => $this->_showtable,
'table_info_num_rows' => $this->_table_info_num_rows,
'tbl_is_view' => $this->_tbl_is_view,
'db_is_system_schema' => $this->_db_is_system_schema,
'tbl_storage_engine' => $this->_tbl_storage_engine,
'url_query' => $this->_url_query,
'tbl_collation' => $this->_tbl_collation,
'is_innodb' => $is_innodb,
'mergetable' => $mergetable,
'avg_size' => isset($avg_size) ? $avg_size : null,
'avg_unit' => isset($avg_unit) ? $avg_unit : null,
'data_size' => $data_size,
'data_unit' => $data_unit,
'index_size' => isset($index_size) ? $index_size : null,
'index_unit' => isset($index_unit) ? $index_unit : null,
'free_size' => isset($free_size) ? $free_size : null,
'free_unit' => isset($free_unit) ? $free_unit : null,
'effect_size' => $effect_size,
'effect_unit' => $effect_unit,
'tot_size' => $tot_size,
'tot_unit' => $tot_unit
)
);
}
/**
* Gets table primary key
*
* @return string
*/
protected function getKeyForTablePrimary()
{
$this->dbi->selectDb($this->db);
$result = $this->dbi->query(
'SHOW KEYS FROM ' . PMA_Util::backquote($this->table) . ';'
);
$primary = '';
while ($row = $this->dbi->fetchAssoc($result)) {
// Backups the list of primary keys
if ($row['Key_name'] == 'PRIMARY') {
$primary .= $row['Column_name'] . ', ';
}
} // end while
$this->dbi->freeResult($result);
return $primary;
}
/**
* Get List of information for Submit Mult
*
* @param string $submit_mult mult_submit type
* @param array $selected the selected columns
* @param string $action action type
*
* @return array
*/
protected function getDataForSubmitMult($submit_mult, $selected, $action)
{
$what = null;
$query_type = null;
$is_unset_submit_mult = false;
$mult_btn = null;
$centralColsError = null;
switch ($submit_mult) {
case 'drop':
$what = 'drop_fld';
break;
case 'primary':
// Gets table primary key
$primary = $this->getKeyForTablePrimary();
if (empty($primary)) {
// no primary key, so we can safely create new
$is_unset_submit_mult = true;
$query_type = 'primary_fld';
$mult_btn = __('Yes');
} else {
// primary key exists, so lets as user
$what = 'primary_fld';
}
break;
case 'index':
$is_unset_submit_mult = true;
$query_type = 'index_fld';
$mult_btn = __('Yes');
break;
case 'unique':
$is_unset_submit_mult = true;
$query_type = 'unique_fld';
$mult_btn = __('Yes');
break;
case 'spatial':
$is_unset_submit_mult = true;
$query_type = 'spatial_fld';
$mult_btn = __('Yes');
break;
case 'ftext':
$is_unset_submit_mult = true;
$query_type = 'fulltext_fld';
$mult_btn = __('Yes');
break;
case 'add_to_central_columns':
include_once 'libraries/central_columns.lib.php';
$centralColsError = PMA_syncUniqueColumns($selected, false);
break;
case 'remove_from_central_columns':
include_once 'libraries/central_columns.lib.php';
$centralColsError = PMA_deleteColumnsFromList($selected, false);
break;
case 'change':
$this->displayHtmlForColumnChange($selected, $action);
// execution stops here but PMA_Response correctly finishes
// the rendering
exit;
case 'browse':
// this should already be handled by tbl_structure.php
}
return array(
$what, $query_type, $is_unset_submit_mult, $mult_btn,
$centralColsError
);
}
}
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