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phpmyadmin_ynh/sources/libraries/Table.class.php

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add phpmyadmin sources 4.1.4
2014-01-14 12:28:06 +01:00
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Holds the PMA_Table class
*
* @package PhpMyAdmin
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/**
* Handles everything related to tables
*
* @todo make use of PMA_Message and PMA_Error
* @package PhpMyAdmin
*/
class PMA_Table
{
/**
* UI preferences properties
*/
const PROP_SORTED_COLUMN = 'sorted_col';
const PROP_COLUMN_ORDER = 'col_order';
const PROP_COLUMN_VISIB = 'col_visib';
static $cache = array();
/**
* @var string table name
*/
var $name = '';
/**
* @var string database name
*/
var $db_name = '';
/**
* @var string engine (innodb, myisam, bdb, ...)
*/
var $engine = '';
/**
* @var string type (view, base table, system view)
*/
var $type = '';
/**
* @var array settings
*/
var $settings = array();
/**
* @var array UI preferences
*/
var $uiprefs;
/**
* @var array errors occurred
*/
var $errors = array();
/**
* @var array messages
*/
var $messages = array();
/**
* Constructor
*
* @param string $table_name table name
* @param string $db_name database name
*/
function __construct($table_name, $db_name)
{
$this->setName($table_name);
$this->setDbName($db_name);
}
/**
* returns table name
*
* @see PMA_Table::getName()
* @return string table name
*/
function __toString()
{
return $this->getName();
}
/**
* return the last error
*
* @return string the last error
*/
function getLastError()
{
return end($this->errors);
}
/**
* return the last message
*
* @return string the last message
*/
function getLastMessage()
{
return end($this->messages);
}
/**
* sets table name
*
* @param string $table_name new table name
*
* @return void
*/
function setName($table_name)
{
$this->name = $table_name;
}
/**
* returns table name
*
* @param boolean $backquoted whether to quote name with backticks ``
*
* @return string table name
*/
function getName($backquoted = false)
{
if ($backquoted) {
return PMA_Util::backquote($this->name);
}
return $this->name;
}
/**
* sets database name for this table
*
* @param string $db_name database name
*
* @return void
*/
function setDbName($db_name)
{
$this->db_name = $db_name;
}
/**
* returns database name for this table
*
* @param boolean $backquoted whether to quote name with backticks ``
*
* @return string database name for this table
*/
function getDbName($backquoted = false)
{
if ($backquoted) {
return PMA_Util::backquote($this->db_name);
}
return $this->db_name;
}
/**
* returns full name for table, including database name
*
* @param boolean $backquoted whether to quote name with backticks ``
*
* @return string
*/
function getFullName($backquoted = false)
{
return $this->getDbName($backquoted) . '.'
. $this->getName($backquoted);
}
/**
* returns whether the table is actually a view
*
* @param string $db database
* @param string $table table
*
* @return boolean whether the given is a view
*/
static public function isView($db = null, $table = null)
{
if (empty($db) || empty($table)) {
return false;
}
// use cached data or load information with SHOW command
if (isset(PMA_Table::$cache[$db][$table])
) {
$type = PMA_Table::sGetStatusInfo($db, $table, 'TABLE_TYPE');
return $type == 'VIEW';
}
// query information_schema
$result = $GLOBALS['dbi']->fetchResult(
"SELECT TABLE_NAME
FROM information_schema.VIEWS
WHERE TABLE_SCHEMA = '" . PMA_Util::sqlAddSlashes($db) . "'
AND TABLE_NAME = '" . PMA_Util::sqlAddSlashes($table) . "'"
);
return $result ? true : false;
}
/**
* Returns whether the table is actually an updatable view
*
* @param string $db database
* @param string $table table
*
* @return boolean whether the given is an updatable view
*/
static public function isUpdatableView($db = null, $table = null)
{
if (empty($db) || empty($table)) {
return false;
}
$result = $GLOBALS['dbi']->fetchResult(
"SELECT TABLE_NAME
FROM information_schema.VIEWS
WHERE TABLE_SCHEMA = '" . PMA_Util::sqlAddSlashes($db) . "'
AND TABLE_NAME = '" . PMA_Util::sqlAddSlashes($table) . "'
AND IS_UPDATABLE = 'YES'"
);
return $result ? true : false;
}
/**
* Returns the analysis of 'SHOW CREATE TABLE' query for the table.
* In case of a view, the values are taken from the information_schema.
*
* @param string $db database
* @param string $table table
*
* @return array analysis of 'SHOW CREATE TABLE' query for the table
*/
static public function analyzeStructure($db = null, $table = null)
{
if (empty($db) || empty($table)) {
return false;
}
$analyzed_sql = array();
if (self::isView($db, $table)) {
// For a view, 'SHOW CREATE TABLE' returns the definition,
// but the structure of the view. So, we try to mock
// the result of analyzing 'SHOW CREATE TABLE' query.
$analyzed_sql[0] = array();
$analyzed_sql[0]['create_table_fields'] = array();
$results = $GLOBALS['dbi']->fetchResult(
"SELECT COLUMN_NAME, DATA_TYPE
FROM information_schema.COLUMNS
WHERE TABLE_SCHEMA = '" . PMA_Util::sqlAddSlashes($db) . "'
AND TABLE_NAME = '" . PMA_Util::sqlAddSlashes($table) . "'"
);
foreach ($results as $result) {
$analyzed_sql[0]['create_table_fields'][$result['COLUMN_NAME']]
= array('type' => strtoupper($result['DATA_TYPE']));
}
} else {
$show_create_table = $GLOBALS['dbi']->fetchValue(
'SHOW CREATE TABLE '
. PMA_Util::backquote($db)
. '.' . PMA_Util::backquote($table),
0,
1
);
$analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($show_create_table));
}
return $analyzed_sql;
}
/**
* sets given $value for given $param
*
* @param string $param name
* @param mixed $value value
*
* @return void
*/
function set($param, $value)
{
$this->settings[$param] = $value;
}
/**
* returns value for given setting/param
*
* @param string $param name for value to return
*
* @return mixed value for $param
*/
function get($param)
{
if (isset($this->settings[$param])) {
return $this->settings[$param];
}
return null;
}
/**
* Checks if this is a merge table
*
* If the ENGINE of the table is MERGE or MRG_MYISAM (alias),
* this is a merge table.
*
* @param string $db the database name
* @param string $table the table name
*
* @return boolean true if it is a merge table
*/
static public function isMerge($db = null, $table = null)
{
$engine = null;
// if called static, with parameters
if (! empty($db) && ! empty($table)) {
$engine = PMA_Table::sGetStatusInfo(
$db, $table, 'ENGINE', null, true
);
}
// did we get engine?
if (empty($engine)) {
return false;
}
// any of known merge engines?
return in_array(strtoupper($engine), array('MERGE', 'MRG_MYISAM'));
}
/**
* Returns tooltip for the table
* Format : <table_comment> (<number_of_rows>)
*
* @param string $db database name
* @param string $table table name
*
* @return string tooltip fot the table
*/
static public function sGetToolTip($db, $table)
{
return PMA_Table::sGetStatusInfo($db, $table, 'Comment')
. ' (' . PMA_Table::countRecords($db, $table)
. ' ' . __('Rows') . ')';
}
/**
* Returns full table status info, or specific if $info provided
* this info is collected from information_schema
*
* @param string $db database name
* @param string $table table name
* @param string $info specific information to be fetched
* @param boolean $force_read read new rather than serving from cache
* @param boolean $disable_error if true, disables error message
*
* @todo DatabaseInterface::getTablesFull needs to be merged
* somehow into this class or at least better documented
*
* @return mixed
*/
static public function sGetStatusInfo($db, $table, $info = null,
$force_read = false, $disable_error = false
) {
if (! empty($_SESSION['is_multi_query'])) {
$disable_error = true;
}
if (! isset(PMA_Table::$cache[$db][$table])
|| $force_read
// sometimes there is only one entry (ExactRows) so
// we have to get the table's details
|| count(PMA_Table::$cache[$db][$table]) == 1
) {
$GLOBALS['dbi']->getTablesFull($db, $table);
}
if (! isset(PMA_Table::$cache[$db][$table])) {
// happens when we enter the table creation dialog
// or when we really did not get any status info, for example
// when $table == 'TABLE_NAMES' after the user tried SHOW TABLES
return '';
}
if (null === $info) {
return PMA_Table::$cache[$db][$table];
}
// array_key_exists allows for null values
if (!array_key_exists($info, PMA_Table::$cache[$db][$table])) {
if (! $disable_error) {
trigger_error(
__('unknown table status: ') . $info,
E_USER_WARNING
);
}
return false;
}
return PMA_Table::$cache[$db][$table][$info];
}
/**
* generates column specification for ALTER or CREATE TABLE syntax
*
* @param string $name name
* @param string $type type ('INT', 'VARCHAR', 'BIT', ...)
* @param string $index index
* @param string $length length ('2', '5,2', '', ...)
* @param string $attribute attribute
* @param string $collation collation
* @param bool|string $null with 'NULL' or 'NOT NULL'
* @param string $default_type whether default is CURRENT_TIMESTAMP,
* NULL, NONE, USER_DEFINED
* @param string $default_value default value for USER_DEFINED
* default type
* @param string $extra 'AUTO_INCREMENT'
* @param string $comment field comment
* @param array &$field_primary list of fields for PRIMARY KEY
* @param string $move_to new position for column
*
* @todo move into class PMA_Column
* @todo on the interface, some js to clear the default value when the
* default current_timestamp is checked
*
* @return string field specification
*/
static function generateFieldSpec($name, $type, $index, $length = '',
$attribute = '', $collation = '', $null = false,
$default_type = 'USER_DEFINED', $default_value = '', $extra = '',
$comment = '', &$field_primary = null, $move_to = ''
) {
$is_timestamp = strpos(strtoupper($type), 'TIMESTAMP') !== false;
$query = PMA_Util::backquote($name) . ' ' . $type;
if ($length != ''
&& ! preg_match(
'@^(DATE|DATETIME|TIME|TINYBLOB|TINYTEXT|BLOB|TEXT|'
. 'MEDIUMBLOB|MEDIUMTEXT|LONGBLOB|LONGTEXT|SERIAL|BOOLEAN|UUID)$@i',
$type
)
) {
$query .= '(' . $length . ')';
}
if ($attribute != '') {
$query .= ' ' . $attribute;
}
$matches = preg_match(
'@^(TINYTEXT|TEXT|MEDIUMTEXT|LONGTEXT|VARCHAR|CHAR|ENUM|SET)$@i',
$type
);
if (! empty($collation) && $collation != 'NULL' && $matches) {
$query .= PMA_generateCharsetQueryPart($collation);
}
if ($null !== false) {
if ($null == 'NULL') {
$query .= ' NULL';
} else {
$query .= ' NOT NULL';
}
}
switch ($default_type) {
case 'USER_DEFINED' :
if ($is_timestamp && $default_value === '0') {
// a TIMESTAMP does not accept DEFAULT '0'
// but DEFAULT 0 works
$query .= ' DEFAULT 0';
} elseif ($type == 'BIT') {
$query .= ' DEFAULT b\''
. preg_replace('/[^01]/', '0', $default_value)
. '\'';
} elseif ($type == 'BOOLEAN') {
if (preg_match('/^1|T|TRUE|YES$/i', $default_value)) {
$query .= ' DEFAULT TRUE';
} elseif (preg_match('/^0|F|FALSE|NO$/i', $default_value)) {
$query .= ' DEFAULT FALSE';
} else {
// Invalid BOOLEAN value
$query .= ' DEFAULT \''
. PMA_Util::sqlAddSlashes($default_value) . '\'';
}
} else {
$query .= ' DEFAULT \''
. PMA_Util::sqlAddSlashes($default_value) . '\'';
}
break;
case 'NULL' :
//If user uncheck null checkbox and not change default value null,
//default value will be ignored.
if ($null !== false && $null != 'NULL') {
break;
}
case 'CURRENT_TIMESTAMP' :
$query .= ' DEFAULT ' . $default_type;
break;
case 'NONE' :
default :
break;
}
if (!empty($extra)) {
$query .= ' ' . $extra;
// Force an auto_increment field to be part of the primary key
// even if user did not tick the PK box;
if ($extra == 'AUTO_INCREMENT') {
$primary_cnt = count($field_primary);
if (1 == $primary_cnt) {
for ($j = 0; $j < $primary_cnt; $j++) {
if ($field_primary[$j] == $index) {
break;
}
}
if (isset($field_primary[$j]) && $field_primary[$j] == $index) {
$query .= ' PRIMARY KEY';
unset($field_primary[$j]);
}
} else {
// but the PK could contain other columns so do not append
// a PRIMARY KEY clause, just add a member to $field_primary
$found_in_pk = false;
for ($j = 0; $j < $primary_cnt; $j++) {
if ($field_primary[$j] == $index) {
$found_in_pk = true;
break;
}
} // end for
if (! $found_in_pk) {
$field_primary[] = $index;
}
}
} // end if (auto_increment)
}
if (!empty($comment)) {
$query .= " COMMENT '" . PMA_Util::sqlAddSlashes($comment) . "'";
}
// move column
if ($move_to == '-first') { // dash can't appear as part of column name
$query .= ' FIRST';
} elseif ($move_to != '') {
$query .= ' AFTER ' . PMA_Util::backquote($move_to);
}
return $query;
} // end function
/**
* Counts and returns (or displays) the number of records in a table
*
* @param string $db the current database name
* @param string $table the current table name
* @param bool $force_exact whether to force an exact count
* @param bool $is_view whether the table is a view
*
* @return mixed the number of records if "retain" param is true,
* otherwise true
*/
static public function countRecords($db, $table, $force_exact = false,
$is_view = null
) {
if (isset(PMA_Table::$cache[$db][$table]['ExactRows'])) {
$row_count = PMA_Table::$cache[$db][$table]['ExactRows'];
} else {
$row_count = false;
if (null === $is_view) {
$is_view = PMA_Table::isView($db, $table);
}
if (! $force_exact) {
if (! isset(PMA_Table::$cache[$db][$table]['Rows']) && ! $is_view) {
$tmp_tables = $GLOBALS['dbi']->getTablesFull($db, $table);
if (isset($tmp_tables[$table])) {
PMA_Table::$cache[$db][$table] = $tmp_tables[$table];
}
}
if (isset(PMA_Table::$cache[$db][$table]['Rows'])) {
$row_count = PMA_Table::$cache[$db][$table]['Rows'];
} else {
$row_count = false;
}
}
// for a VIEW, $row_count is always false at this point
if (false === $row_count
|| $row_count < $GLOBALS['cfg']['MaxExactCount']
) {
// Make an exception for views in I_S and D_D schema in
// Drizzle, as these map to in-memory data and should execute
// fast enough
if (! $is_view
|| (PMA_DRIZZLE && $GLOBALS['dbi']->isSystemSchema($db))
) {
$row_count = $GLOBALS['dbi']->fetchValue(
'SELECT COUNT(*) FROM ' . PMA_Util::backquote($db) . '.'
. PMA_Util::backquote($table)
);
} else {
// For complex views, even trying to get a partial record
// count could bring down a server, so we offer an
// alternative: setting MaxExactCountViews to 0 will bypass
// completely the record counting for views
if ($GLOBALS['cfg']['MaxExactCountViews'] == 0) {
$row_count = 0;
} else {
// Counting all rows of a VIEW could be too long,
// so use a LIMIT clause.
// Use try_query because it can fail (when a VIEW is
// based on a table that no longer exists)
$result = $GLOBALS['dbi']->tryQuery(
'SELECT 1 FROM ' . PMA_Util::backquote($db) . '.'
. PMA_Util::backquote($table) . ' LIMIT '
. $GLOBALS['cfg']['MaxExactCountViews'],
null,
PMA_DatabaseInterface::QUERY_STORE
);
if (!$GLOBALS['dbi']->getError()) {
$row_count = $GLOBALS['dbi']->numRows($result);
$GLOBALS['dbi']->freeResult($result);
}
}
}
if ($row_count) {
PMA_Table::$cache[$db][$table]['ExactRows'] = $row_count;
}
}
}
return $row_count;
} // end of the 'PMA_Table::countRecords()' function
/**
* Generates column specification for ALTER syntax
*
* @param string $oldcol old column name
* @param string $newcol new column name
* @param string $type type ('INT', 'VARCHAR', 'BIT', ...)
* @param string $length length ('2', '5,2', '', ...)
* @param string $attribute attribute
* @param string $collation collation
* @param bool|string $null with 'NULL' or 'NOT NULL'
* @param string $default_type whether default is CURRENT_TIMESTAMP,
* NULL, NONE, USER_DEFINED
* @param string $default_value default value for USER_DEFINED default
* type
* @param string $extra 'AUTO_INCREMENT'
* @param string $comment field comment
* @param array &$field_primary list of fields for PRIMARY KEY
* @param string $index index
* @param string $move_to new position for column
*
* @see PMA_Table::generateFieldSpec()
*
* @return string field specification
*/
static public function generateAlter($oldcol, $newcol, $type, $length,
$attribute, $collation, $null, $default_type, $default_value,
$extra, $comment, &$field_primary, $index, $move_to
) {
return PMA_Util::backquote($oldcol) . ' '
. PMA_Table::generateFieldSpec(
$newcol, $type, $index, $length, $attribute,
$collation, $null, $default_type, $default_value, $extra,
$comment, $field_primary, $move_to
);
} // end function
/**
* Inserts existing entries in a PMA_* table by reading a value from an old
* entry
*
* @param string $work The array index, which Relation feature to
* check ('relwork', 'commwork', ...)
* @param string $pma_table The array index, which PMA-table to update
* ('bookmark', 'relation', ...)
* @param array $get_fields Which fields will be SELECT'ed from the old entry
* @param array $where_fields Which fields will be used for the WHERE query
* (array('FIELDNAME' => 'FIELDVALUE'))
* @param array $new_fields Which fields will be used as new VALUES.
* These are the important keys which differ
* from the old entry
* (array('FIELDNAME' => 'NEW FIELDVALUE'))
*
* @global relation variable
*
* @return int|true
*/
static public function duplicateInfo($work, $pma_table, $get_fields,
$where_fields, $new_fields
) {
$last_id = -1;
if (isset($GLOBALS['cfgRelation']) && $GLOBALS['cfgRelation'][$work]) {
$select_parts = array();
$row_fields = array();
foreach ($get_fields as $get_field) {
$select_parts[] = PMA_Util::backquote($get_field);
$row_fields[$get_field] = 'cc';
}
$where_parts = array();
foreach ($where_fields as $_where => $_value) {
$where_parts[] = PMA_Util::backquote($_where) . ' = \''
. PMA_Util::sqlAddSlashes($_value) . '\'';
}
$new_parts = array();
$new_value_parts = array();
foreach ($new_fields as $_where => $_value) {
$new_parts[] = PMA_Util::backquote($_where);
$new_value_parts[] = PMA_Util::sqlAddSlashes($_value);
}
$table_copy_query = '
SELECT ' . implode(', ', $select_parts) . '
FROM ' . PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
. PMA_Util::backquote($GLOBALS['cfgRelation'][$pma_table]) . '
WHERE ' . implode(' AND ', $where_parts);
// must use PMA_DatabaseInterface::QUERY_STORE here, since we execute
// another query inside the loop
$table_copy_rs = PMA_queryAsControlUser(
$table_copy_query, true, PMA_DatabaseInterface::QUERY_STORE
);
while ($table_copy_row = @$GLOBALS['dbi']->fetchAssoc($table_copy_rs)) {
$value_parts = array();
foreach ($table_copy_row as $_key => $_val) {
if (isset($row_fields[$_key]) && $row_fields[$_key] == 'cc') {
$value_parts[] = PMA_Util::sqlAddSlashes($_val);
}
}
$new_table_query = 'INSERT IGNORE INTO '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
. '.'
. PMA_Util::backquote($GLOBALS['cfgRelation'][$pma_table])
. ' (' . implode(', ', $select_parts)
. ', ' . implode(', ', $new_parts)
. ') VALUES (\''
. implode('\', \'', $value_parts) . '\', \''
. implode('\', \'', $new_value_parts) . '\')';
PMA_queryAsControlUser($new_table_query);
$last_id = $GLOBALS['dbi']->insertId();
} // end while
$GLOBALS['dbi']->freeResult($table_copy_rs);
return $last_id;
}
return true;
} // end of 'PMA_Table::duplicateInfo()' function
/**
* Copies or renames table
*
* @param string $source_db source database
* @param string $source_table source table
* @param string $target_db target database
* @param string $target_table target table
* @param string $what what to be moved or copied (data, dataonly)
* @param bool $move whether to move
* @param string $mode mode
*
* @return bool true if success, false otherwise
*/
static public function moveCopy($source_db, $source_table, $target_db,
$target_table, $what, $move, $mode
) {
global $err_url;
/* Try moving table directly */
if ($move && $what == 'data') {
$tbl = new PMA_Table($source_table, $source_db);
$result = $tbl->rename($target_table, $target_db);
if ($result) {
$GLOBALS['message'] = $tbl->getLastMessage();
return true;
}
}
// set export settings we need
$GLOBALS['sql_backquotes'] = 1;
$GLOBALS['asfile'] = 1;
// Ensure the target is valid
if (! $GLOBALS['pma']->databases->exists($source_db, $target_db)) {
if (! $GLOBALS['pma']->databases->exists($source_db)) {
$GLOBALS['message'] = PMA_Message::rawError(
sprintf(
__('Source database `%s` was not found!'),
htmlspecialchars($source_db)
)
);
}
if (! $GLOBALS['pma']->databases->exists($target_db)) {
$GLOBALS['message'] = PMA_Message::rawError(
sprintf(
__('Target database `%s` was not found!'),
htmlspecialchars($target_db)
)
);
}
return false;
}
$source = PMA_Util::backquote($source_db)
. '.' . PMA_Util::backquote($source_table);
if (! isset($target_db) || ! strlen($target_db)) {
$target_db = $source_db;
}
// Doing a select_db could avoid some problems with replicated databases,
// when moving table from replicated one to not replicated one
$GLOBALS['dbi']->selectDb($target_db);
$target = PMA_Util::backquote($target_db)
. '.' . PMA_Util::backquote($target_table);
// do not create the table if dataonly
if ($what != 'dataonly') {
include_once "libraries/plugin_interface.lib.php";
// get Export SQL instance
$export_sql_plugin = PMA_getPlugin(
"export",
"sql",
'libraries/plugins/export/',
array(
'export_type' => 'table',
'single_table' => false,
)
);
$no_constraints_comments = true;
$GLOBALS['sql_constraints_query'] = '';
// set the value of global sql_auto_increment variable
if (isset($_POST['sql_auto_increment'])) {
$GLOBALS['sql_auto_increment'] = $_POST['sql_auto_increment'];
}
$sql_structure = $export_sql_plugin->getTableDef(
$source_db, $source_table, "\n", $err_url, false, false
);
unset($no_constraints_comments);
$parsed_sql = PMA_SQP_parse($sql_structure);
$analyzed_sql = PMA_SQP_analyze($parsed_sql);
$i = 0;
if (empty($analyzed_sql[0]['create_table_fields'])) {
// this is not a CREATE TABLE, so find the first VIEW
$target_for_view = PMA_Util::backquote($target_db);
while (true) {
if ($parsed_sql[$i]['type'] == 'alpha_reservedWord'
&& $parsed_sql[$i]['data'] == 'VIEW'
) {
break;
}
$i++;
}
}
unset($analyzed_sql);
if (PMA_DRIZZLE) {
$table_delimiter = 'quote_backtick';
} else {
$server_sql_mode = $GLOBALS['dbi']->fetchValue(
"SHOW VARIABLES LIKE 'sql_mode'",
0,
1
);
// ANSI_QUOTES might be a subset of sql_mode, for example
// REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ANSI
if (false !== strpos($server_sql_mode, 'ANSI_QUOTES')) {
$table_delimiter = 'quote_double';
} else {
$table_delimiter = 'quote_backtick';
}
unset($server_sql_mode);
}
/* Find table name in query and replace it */
while ($parsed_sql[$i]['type'] != $table_delimiter) {
$i++;
}
/* no need to backquote() */
if (isset($target_for_view)) {
// this a view definition; we just found the first db name
// that follows DEFINER VIEW
// so change it for the new db name
$parsed_sql[$i]['data'] = $target_for_view;
// then we have to find all references to the source db
// and change them to the target db, ensuring we stay into
// the $parsed_sql limits
$last = $parsed_sql['len'] - 1;
$backquoted_source_db = PMA_Util::backquote($source_db);
for (++$i; $i <= $last; $i++) {
if ($parsed_sql[$i]['type'] == $table_delimiter
&& $parsed_sql[$i]['data'] == $backquoted_source_db
&& $parsed_sql[$i - 1]['type'] != 'punct_qualifier'
) {
$parsed_sql[$i]['data'] = $target_for_view;
}
}
unset($last,$backquoted_source_db);
} else {
$parsed_sql[$i]['data'] = $target;
}
/* Generate query back */
$sql_structure = PMA_SQP_format($parsed_sql, 'query_only');
// If table exists, and 'add drop table' is selected: Drop it!
$drop_query = '';
if (isset($_REQUEST['drop_if_exists'])
&& $_REQUEST['drop_if_exists'] == 'true'
) {
if (PMA_Table::isView($target_db, $target_table)) {
$drop_query = 'DROP VIEW';
} else {
$drop_query = 'DROP TABLE';
}
$drop_query .= ' IF EXISTS '
. PMA_Util::backquote($target_db) . '.'
. PMA_Util::backquote($target_table);
$GLOBALS['dbi']->query($drop_query);
$GLOBALS['sql_query'] .= "\n" . $drop_query . ';';
// If an existing table gets deleted, maintain any
// entries for the PMA_* tables
$maintain_relations = true;
}
@$GLOBALS['dbi']->query($sql_structure);
$GLOBALS['sql_query'] .= "\n" . $sql_structure . ';';
if (($move || isset($GLOBALS['add_constraints']))
&& !empty($GLOBALS['sql_constraints_query'])
) {
$parsed_sql = PMA_SQP_parse($GLOBALS['sql_constraints_query']);
$i = 0;
// find the first $table_delimiter, it must be the source
// table name
while ($parsed_sql[$i]['type'] != $table_delimiter) {
$i++;
// maybe someday we should guard against going over limit
//if ($i == $parsed_sql['len']) {
// break;
//}
}
// replace it by the target table name, no need
// to backquote()
$parsed_sql[$i]['data'] = $target;
// now we must remove all $table_delimiter that follow a
// CONSTRAINT keyword, because a constraint name must be
// unique in a db
$cnt = $parsed_sql['len'] - 1;
for ($j = $i; $j < $cnt; $j++) {
if ($parsed_sql[$j]['type'] == 'alpha_reservedWord'
&& strtoupper($parsed_sql[$j]['data']) == 'CONSTRAINT'
) {
if ($parsed_sql[$j+1]['type'] == $table_delimiter) {
$parsed_sql[$j+1]['data'] = '';
}
}
}
// Generate query back
$GLOBALS['sql_constraints_query'] = PMA_SQP_format(
$parsed_sql, 'query_only'
);
if ($mode == 'one_table') {
$GLOBALS['dbi']->query($GLOBALS['sql_constraints_query']);
}
$GLOBALS['sql_query'] .= "\n" . $GLOBALS['sql_constraints_query'];
if ($mode == 'one_table') {
unset($GLOBALS['sql_constraints_query']);
}
}
} else {
$GLOBALS['sql_query'] = '';
}
// Copy the data unless this is a VIEW
if (($what == 'data' || $what == 'dataonly')
&& ! PMA_Table::isView($target_db, $target_table)
) {
$sql_set_mode = "SET SQL_MODE='NO_AUTO_VALUE_ON_ZERO'";
$GLOBALS['dbi']->query($sql_set_mode);
$GLOBALS['sql_query'] .= "\n\n" . $sql_set_mode . ';';
$sql_insert_data = 'INSERT INTO ' . $target
. ' SELECT * FROM ' . $source;
$GLOBALS['dbi']->query($sql_insert_data);
$GLOBALS['sql_query'] .= "\n\n" . $sql_insert_data . ';';
}
$GLOBALS['cfgRelation'] = PMA_getRelationsParam();
// Drops old table if the user has requested to move it
if ($move) {
// This could avoid some problems with replicated databases, when
// moving table from replicated one to not replicated one
$GLOBALS['dbi']->selectDb($source_db);
if (PMA_Table::isView($source_db, $source_table)) {
$sql_drop_query = 'DROP VIEW';
} else {
$sql_drop_query = 'DROP TABLE';
}
$sql_drop_query .= ' ' . $source;
$GLOBALS['dbi']->query($sql_drop_query);
// Renable table in configuration storage
PMA_REL_renameTable(
$source_db, $target_db,
$source_table, $target_table
);
$GLOBALS['sql_query'] .= "\n\n" . $sql_drop_query . ';';
// end if ($move)
} else {
// we are copying
// Create new entries as duplicates from old PMA DBs
if ($what != 'dataonly' && ! isset($maintain_relations)) {
if ($GLOBALS['cfgRelation']['commwork']) {
// Get all comments and MIME-Types for current table
$comments_copy_rs = PMA_queryAsControlUser(
'SELECT column_name, comment'
. ($GLOBALS['cfgRelation']['mimework']
? ', mimetype, transformation, transformation_options'
: '')
. ' FROM '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
. '.'
. PMA_Util::backquote($GLOBALS['cfgRelation']['column_info'])
. ' WHERE '
. ' db_name = \''
. PMA_Util::sqlAddSlashes($source_db) . '\''
. ' AND '
. ' table_name = \''
. PMA_Util::sqlAddSlashes($source_table) . '\''
);
// Write every comment as new copied entry. [MIME]
while ($comments_copy_row = $GLOBALS['dbi']->fetchAssoc($comments_copy_rs)) {
$new_comment_query = 'REPLACE INTO ' . PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_Util::backquote($GLOBALS['cfgRelation']['column_info'])
. ' (db_name, table_name, column_name, comment' . ($GLOBALS['cfgRelation']['mimework'] ? ', mimetype, transformation, transformation_options' : '') . ') '
. ' VALUES('
. '\'' . PMA_Util::sqlAddSlashes($target_db) . '\','
. '\'' . PMA_Util::sqlAddSlashes($target_table) . '\','
. '\'' . PMA_Util::sqlAddSlashes($comments_copy_row['column_name']) . '\''
. ($GLOBALS['cfgRelation']['mimework'] ? ',\'' . PMA_Util::sqlAddSlashes($comments_copy_row['comment']) . '\','
. '\'' . PMA_Util::sqlAddSlashes($comments_copy_row['mimetype']) . '\','
. '\'' . PMA_Util::sqlAddSlashes($comments_copy_row['transformation']) . '\','
. '\'' . PMA_Util::sqlAddSlashes($comments_copy_row['transformation_options']) . '\'' : '')
. ')';
PMA_queryAsControlUser($new_comment_query);
} // end while
$GLOBALS['dbi']->freeResult($comments_copy_rs);
unset($comments_copy_rs);
}
// duplicating the bookmarks must not be done here, but
// just once per db
$get_fields = array('display_field');
$where_fields = array(
'db_name' => $source_db,
'table_name' => $source_table
);
$new_fields = array(
'db_name' => $target_db,
'table_name' => $target_table
);
PMA_Table::duplicateInfo(
'displaywork',
'table_info',
$get_fields,
$where_fields,
$new_fields
);
/**
* @todo revise this code when we support cross-db relations
*/
$get_fields = array(
'master_field',
'foreign_table',
'foreign_field'
);
$where_fields = array(
'master_db' => $source_db,
'master_table' => $source_table
);
$new_fields = array(
'master_db' => $target_db,
'foreign_db' => $target_db,
'master_table' => $target_table
);
PMA_Table::duplicateInfo(
'relwork',
'relation',
$get_fields,
$where_fields,
$new_fields
);
$get_fields = array(
'foreign_field',
'master_table',
'master_field'
);
$where_fields = array(
'foreign_db' => $source_db,
'foreign_table' => $source_table
);
$new_fields = array(
'master_db' => $target_db,
'foreign_db' => $target_db,
'foreign_table' => $target_table
);
PMA_Table::duplicateInfo(
'relwork',
'relation',
$get_fields,
$where_fields,
$new_fields
);
$get_fields = array('x', 'y', 'v', 'h');
$where_fields = array(
'db_name' => $source_db,
'table_name' => $source_table
);
$new_fields = array(
'db_name' => $target_db,
'table_name' => $target_table
);
PMA_Table::duplicateInfo(
'designerwork',
'designer_coords',
$get_fields,
$where_fields,
$new_fields
);
/**
* @todo Can't get duplicating PDFs the right way. The
* page numbers always get screwed up independently from
* duplication because the numbers do not seem to be stored on a
* per-database basis. Would the author of pdf support please
* have a look at it?
*
$get_fields = array('page_descr');
$where_fields = array('db_name' => $source_db);
$new_fields = array('db_name' => $target_db);
$last_id = PMA_Table::duplicateInfo(
'pdfwork',
'pdf_pages',
$get_fields,
$where_fields,
$new_fields
);
if (isset($last_id) && $last_id >= 0) {
$get_fields = array('x', 'y');
$where_fields = array(
'db_name' => $source_db,
'table_name' => $source_table
);
$new_fields = array(
'db_name' => $target_db,
'table_name' => $target_table,
'pdf_page_number' => $last_id
);
PMA_Table::duplicateInfo(
'pdfwork',
'table_coords',
$get_fields,
$where_fields,
$new_fields
);
}
*/
}
}
return true;
}
/**
* checks if given name is a valid table name,
* currently if not empty, trailing spaces, '.', '/' and '\'
*
* @param string $table_name name to check
*
* @todo add check for valid chars in filename on current system/os
* @see http://dev.mysql.com/doc/refman/5.0/en/legal-names.html
*
* @return boolean whether the string is valid or not
*/
static function isValidName($table_name)
{
if ($table_name !== trim($table_name)) {
// trailing spaces
return false;
}
if (! strlen($table_name)) {
// zero length
return false;
}
if (preg_match('/[.\/\\\\]+/i', $table_name)) {
// illegal char . / \
return false;
}
return true;
}
/**
* renames table
*
* @param string $new_name new table name
* @param string $new_db new database name
*
* @return bool success
*/
function rename($new_name, $new_db = null)
{
if (null !== $new_db && $new_db !== $this->getDbName()) {
// Ensure the target is valid
if (! $GLOBALS['pma']->databases->exists($new_db)) {
$this->errors[] = __('Invalid database:') . ' ' . $new_db;
return false;
}
} else {
$new_db = $this->getDbName();
}
$new_table = new PMA_Table($new_name, $new_db);
if ($this->getFullName() === $new_table->getFullName()) {
return true;
}
if (! PMA_Table::isValidName($new_name)) {
$this->errors[] = __('Invalid table name:') . ' '
. $new_table->getFullName();
return false;
}
// If the table is moved to a different database drop its triggers first
$triggers = $GLOBALS['dbi']->getTriggers(
$this->getDbName(), $this->getName(), ''
);
$handle_triggers = $this->getDbName() != $new_db && $triggers;
if ($handle_triggers) {
foreach ($triggers as $trigger) {
$sql = 'DROP TRIGGER IF EXISTS '
. PMA_Util::backquote($this->getDbName())
. '.' . PMA_Util::backquote($trigger['name']) . ';';
$GLOBALS['dbi']->query($sql);
}
}
/*
* tested also for a view, in MySQL 5.0.92, 5.1.55 and 5.5.13
*/
$GLOBALS['sql_query'] = '
RENAME TABLE ' . $this->getFullName(true) . '
TO ' . $new_table->getFullName(true) . ';';
// I don't think a specific error message for views is necessary
if (! $GLOBALS['dbi']->query($GLOBALS['sql_query'])) {
// Restore triggers in the old database
if ($handle_triggers) {
$GLOBALS['dbi']->selectDb($this->getDbName());
foreach ($triggers as $trigger) {
$GLOBALS['dbi']->query($trigger['create']);
}
}
$this->errors[] = sprintf(
__('Error renaming table %1$s to %2$s'),
$this->getFullName(),
$new_table->getFullName()
);
return false;
}
$old_name = $this->getName();
$old_db = $this->getDbName();
$this->setName($new_name);
$this->setDbName($new_db);
// Renable table in configuration storage
PMA_REL_renameTable(
$old_db, $new_db,
$old_name, $new_name
);
$this->messages[] = sprintf(
__('Table %1$s has been renamed to %2$s.'),
htmlspecialchars($old_name),
htmlspecialchars($new_name)
);
return true;
}
/**
* Get all unique columns
*
* returns an array with all columns with unqiue content, in fact these are
* all columns being single indexed in PRIMARY or UNIQUE
*
* e.g.
* - PRIMARY(id) // id
* - UNIQUE(name) // name
* - PRIMARY(fk_id1, fk_id2) // NONE
* - UNIQUE(x,y) // NONE
*
* @param bool $backquoted whether to quote name with backticks ``
* @param bool $fullName whether to include full name of the table as a prefix
*
* @return array
*/
public function getUniqueColumns($backquoted = true, $fullName = true)
{
$sql = $GLOBALS['dbi']->getTableIndexesSql(
$this->getDbName(),
$this->getName(),
'Non_unique = 0'
);
$uniques = $GLOBALS['dbi']->fetchResult(
$sql,
array('Key_name', null),
'Column_name'
);
$return = array();
foreach ($uniques as $index) {
if (count($index) > 1) {
continue;
}
$return[] = ($fullName ? $this->getFullName($backquoted) . '.' : '')
. ($backquoted ? PMA_Util::backquote($index[0]) : $index[0]);
}
return $return;
}
/**
* Get all indexed columns
*
* returns an array with all columns make use of an index, in fact only
* first columns in an index
*
* e.g. index(col1, col2) would only return col1
*
* @param bool $backquoted whether to quote name with backticks ``
*
* @return array
*/
public function getIndexedColumns($backquoted = true)
{
$sql = $GLOBALS['dbi']->getTableIndexesSql(
$this->getDbName(),
$this->getName(),
'Seq_in_index = 1'
);
$indexed = $GLOBALS['dbi']->fetchResult($sql, 'Column_name', 'Column_name');
$return = array();
foreach ($indexed as $column) {
$return[] = $this->getFullName($backquoted) . '.'
. ($backquoted ? PMA_Util::backquote($column) : $column);
}
return $return;
}
/**
* Get all columns
*
* returns an array with all columns
*
* @param bool $backquoted whether to quote name with backticks ``
*
* @return array
*/
public function getColumns($backquoted = true)
{
$sql = 'SHOW COLUMNS FROM ' . $this->getFullName(true);
$indexed = $GLOBALS['dbi']->fetchResult($sql, 'Field', 'Field');
$return = array();
foreach ($indexed as $column) {
$return[] = $this->getFullName($backquoted) . '.'
. ($backquoted ? PMA_Util::backquote($column) : $column);
}
return $return;
}
/**
* Return UI preferences for this table from phpMyAdmin database.
*
* @return array
*/
protected function getUiPrefsFromDb()
{
$pma_table = PMA_Util::backquote($GLOBALS['cfg']['Server']['pmadb']) ."."
. PMA_Util::backquote($GLOBALS['cfg']['Server']['table_uiprefs']);
// Read from phpMyAdmin database
$sql_query = " SELECT `prefs` FROM " . $pma_table
. " WHERE `username` = '" . $GLOBALS['cfg']['Server']['user'] . "'"
. " AND `db_name` = '" . PMA_Util::sqlAddSlashes($this->db_name) . "'"
. " AND `table_name` = '" . PMA_Util::sqlAddSlashes($this->name) . "'";
$row = $GLOBALS['dbi']->fetchArray(PMA_queryAsControlUser($sql_query));
if (isset($row[0])) {
return json_decode($row[0], true);
} else {
return array();
}
}
/**
* Save this table's UI preferences into phpMyAdmin database.
*
* @return true|PMA_Message
*/
protected function saveUiPrefsToDb()
{
$pma_table = PMA_Util::backquote($GLOBALS['cfg']['Server']['pmadb']) . "."
. PMA_Util::backquote($GLOBALS['cfg']['Server']['table_uiprefs']);
$username = $GLOBALS['cfg']['Server']['user'];
$sql_query = " REPLACE INTO " . $pma_table
. " VALUES ('" . $username . "', '" . PMA_Util::sqlAddSlashes($this->db_name)
. "', '" . PMA_Util::sqlAddSlashes($this->name) . "', '"
. PMA_Util::sqlAddSlashes(json_encode($this->uiprefs)) . "', NULL)";
$success = $GLOBALS['dbi']->tryQuery($sql_query, $GLOBALS['controllink']);
if (!$success) {
$message = PMA_Message::error(
__('Could not save table UI preferences')
);
$message->addMessage('<br /><br />');
$message->addMessage(
PMA_Message::rawError(
$GLOBALS['dbi']->getError($GLOBALS['controllink'])
)
);
return $message;
}
// Remove some old rows in table_uiprefs if it exceeds the configured
// maximum rows
$sql_query = 'SELECT COUNT(*) FROM ' . $pma_table;
$rows_count = $GLOBALS['dbi']->fetchValue($sql_query);
$max_rows = $GLOBALS['cfg']['Server']['MaxTableUiprefs'];
if ($rows_count > $max_rows) {
$num_rows_to_delete = $rows_count - $max_rows;
$sql_query
= ' DELETE FROM ' . $pma_table .
' ORDER BY last_update ASC' .
' LIMIT ' . $num_rows_to_delete;
$success = $GLOBALS['dbi']->tryQuery(
$sql_query, $GLOBALS['controllink']
);
if (!$success) {
$message = PMA_Message::error(
sprintf(
__('Failed to cleanup table UI preferences (see $cfg[\'Servers\'][$i][\'MaxTableUiprefs\'] %s)'),
PMA_Util::showDocu('config', 'cfg_Servers_MaxTableUiprefs')
)
);
$message->addMessage('<br /><br />');
$message->addMessage(
PMA_Message::rawError(
$GLOBALS['dbi']->getError($GLOBALS['controllink'])
)
);
print_r($message);
return $message;
}
}
return true;
}
/**
* Loads the UI preferences for this table.
* If pmadb and table_uiprefs is set, it will load the UI preferences from
* phpMyAdmin database.
*
* @return void
*/
protected function loadUiPrefs()
{
$server_id = $GLOBALS['server'];
// set session variable if it's still undefined
if (! isset($_SESSION['tmpval']['table_uiprefs'][$server_id][$this->db_name][$this->name])) {
// check whether we can get from pmadb
$_SESSION['tmpval']['table_uiprefs'][$server_id][$this->db_name][$this->name]
= (strlen($GLOBALS['cfg']['Server']['pmadb'])
&& strlen($GLOBALS['cfg']['Server']['table_uiprefs']))
? $this->getUiPrefsFromDb()
: array();
}
$this->uiprefs =& $_SESSION['tmpval']['table_uiprefs'][$server_id]
[$this->db_name][$this->name];
}
/**
* Get a property from UI preferences.
* Return false if the property is not found.
* Available property:
* - PROP_SORTED_COLUMN
* - PROP_COLUMN_ORDER
* - PROP_COLUMN_VISIB
*
* @param string $property property
*
* @return mixed
*/
public function getUiProp($property)
{
if (! isset($this->uiprefs)) {
$this->loadUiPrefs();
}
// do checking based on property
if ($property == self::PROP_SORTED_COLUMN) {
if (isset($this->uiprefs[$property])) {
// check if the column name exists in this table
$tmp = explode(' ', $this->uiprefs[$property]);
$colname = $tmp[0];
//remove backquoting from colname
$colname = str_replace('`', '', $colname);
//get the available column name without backquoting
$avail_columns = $this->getColumns(false);
foreach ($avail_columns as $each_col) {
// check if $each_col ends with $colname
if (substr_compare(
$each_col,
$colname,
strlen($each_col) - strlen($colname)
) === 0) {
return $this->uiprefs[$property];
}
}
// remove the property, since it is not exist anymore in database
$this->removeUiProp(self::PROP_SORTED_COLUMN);
return false;
} else {
return false;
}
} elseif ($property == self::PROP_COLUMN_ORDER
|| $property == self::PROP_COLUMN_VISIB
) {
if (! PMA_Table::isView($this->db_name, $this->name)
&& isset($this->uiprefs[$property])
) {
// check if the table has not been modified
if (self::sGetStatusInfo(
$this->db_name,
$this->name, 'Create_time'
) == $this->uiprefs['CREATE_TIME']) {
return $this->uiprefs[$property];
} else {
// remove the property, since the table has been modified
$this->removeUiProp(self::PROP_COLUMN_ORDER);
return false;
}
} else {
return false;
}
}
// default behaviour for other property:
return isset($this->uiprefs[$property]) ? $this->uiprefs[$property] : false;
}
/**
* Set a property from UI preferences.
* If pmadb and table_uiprefs is set, it will save the UI preferences to
* phpMyAdmin database.
* Available property:
* - PROP_SORTED_COLUMN
* - PROP_COLUMN_ORDER
* - PROP_COLUMN_VISIB
*
* @param string $property Property
* @param mixed $value Value for the property
* @param string $table_create_time Needed for PROP_COLUMN_ORDER
* and PROP_COLUMN_VISIB
*
* @return boolean|PMA_Message
*/
public function setUiProp($property, $value, $table_create_time = null)
{
if (! isset($this->uiprefs)) {
$this->loadUiPrefs();
}
// we want to save the create time if the property is PROP_COLUMN_ORDER
if (! PMA_Table::isView($this->db_name, $this->name)
&& ($property == self::PROP_COLUMN_ORDER
|| $property == self::PROP_COLUMN_VISIB)
) {
$curr_create_time = self::sGetStatusInfo(
$this->db_name,
$this->name,
'CREATE_TIME'
);
if (isset($table_create_time)
&& $table_create_time == $curr_create_time
) {
$this->uiprefs['CREATE_TIME'] = $curr_create_time;
} else {
// there is no $table_create_time, or
// supplied $table_create_time is older than current create time,
// so don't save
return PMA_Message::error(
sprintf(
__('Cannot save UI property "%s". The changes made will not be persistent after you refresh this page. Please check if the table structure has been changed.'),
$property
)
);
}
}
// save the value
$this->uiprefs[$property] = $value;
// check if pmadb is set
if (strlen($GLOBALS['cfg']['Server']['pmadb'])
&& strlen($GLOBALS['cfg']['Server']['table_uiprefs'])
) {
return $this->saveUiprefsToDb();
}
return true;
}
/**
* Remove a property from UI preferences.
*
* @param string $property the property
*
* @return true|PMA_Message
*/
public function removeUiProp($property)
{
if (! isset($this->uiprefs)) {
$this->loadUiPrefs();
}
if (isset($this->uiprefs[$property])) {
unset($this->uiprefs[$property]);
// check if pmadb is set
if (strlen($GLOBALS['cfg']['Server']['pmadb'])
&& strlen($GLOBALS['cfg']['Server']['table_uiprefs'])
) {
return $this->saveUiprefsToDb();
}
}
return true;
}
/**
* Get all column names which are MySQL reserved words
*
* @return array
* @access public
*/
public function getReservedColumnNames()
{
$columns = $this->getColumns(false);
$return = array();
foreach ($columns as $column) {
$temp = explode('.', $column);
$column_name = $temp[2];
if (PMA_SQP_isKeyWord($column_name)) {
$return[] = $column_name;
}
}
return $return;
}
}
?>
Reference in a new issue Copy permalink