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<?php
declare(strict_types=1);
namespace PhpMyAdmin;
use PhpMyAdmin\Engines\Innodb;
use PhpMyAdmin\Plugins\Export\ExportSql;
use function array_merge;
use function count;
use function explode;
use function implode;
use function mb_strtolower;
use function str_replace;
use function strlen;
use function strtolower;
use function urldecode;
/**
* Set of functions with the operations section in phpMyAdmin
*/
class Operations
{
/** @var Relation */
private $relation;
/** @var DatabaseInterface */
private $dbi;
/**
* @param DatabaseInterface $dbi DatabaseInterface object
* @param Relation $relation Relation object
*/
public function __construct(DatabaseInterface $dbi, Relation $relation)
{
$this->dbi = $dbi;
$this->relation = $relation;
}
/**
* Run the Procedure definitions and function definitions
*
* to avoid selecting alternatively the current and new db
* we would need to modify the CREATE definitions to qualify
* the db name
*
* @param string $db database name
*
* @return void
*/
public function runProcedureAndFunctionDefinitions($db)
{
$procedure_names = $this->dbi->getProceduresOrFunctions($db, 'PROCEDURE');
if ($procedure_names) {
foreach ($procedure_names as $procedure_name) {
$this->dbi->selectDb($db);
$tmp_query = $this->dbi->getDefinition(
$db,
'PROCEDURE',
$procedure_name
);
if ($tmp_query === null) {
continue;
}
// collect for later display
$GLOBALS['sql_query'] .= "\n" . $tmp_query;
$this->dbi->selectDb($_POST['newname']);
$this->dbi->query($tmp_query);
}
}
$function_names = $this->dbi->getProceduresOrFunctions($db, 'FUNCTION');
if (! $function_names) {
return;
}
foreach ($function_names as $function_name) {
$this->dbi->selectDb($db);
$tmp_query = $this->dbi->getDefinition(
$db,
'FUNCTION',
$function_name
);
if ($tmp_query === null) {
continue;
}
// collect for later display
$GLOBALS['sql_query'] .= "\n" . $tmp_query;
$this->dbi->selectDb($_POST['newname']);
$this->dbi->query($tmp_query);
}
}
/**
* Create database before copy
*
* @return void
*/
public function createDbBeforeCopy()
{
$local_query = 'CREATE DATABASE IF NOT EXISTS '
. Util::backquote($_POST['newname']);
if (isset($_POST['db_collation'])) {
$local_query .= ' DEFAULT'
. Util::getCharsetQueryPart($_POST['db_collation'] ?? '');
}
$local_query .= ';';
$GLOBALS['sql_query'] .= $local_query;
// save the original db name because Tracker.php which
// may be called under $this->dbi->query() changes $GLOBALS['db']
// for some statements, one of which being CREATE DATABASE
$original_db = $GLOBALS['db'];
$this->dbi->query($local_query);
$GLOBALS['db'] = $original_db;
// Set the SQL mode to NO_AUTO_VALUE_ON_ZERO to prevent MySQL from creating
// export statements it cannot import
$sql_set_mode = "SET SQL_MODE='NO_AUTO_VALUE_ON_ZERO'";
$this->dbi->query($sql_set_mode);
// rebuild the database list because Table::moveCopy
// checks in this list if the target db exists
$GLOBALS['dblist']->databases->build();
}
/**
* Get views as an array and create SQL view stand-in
*
* @param array $tables_full array of all tables in given db or dbs
* @param ExportSql $export_sql_plugin export plugin instance
* @param string $db database name
*
* @return array
*/
public function getViewsAndCreateSqlViewStandIn(
array $tables_full,
$export_sql_plugin,
$db
) {
$views = [];
foreach ($tables_full as $each_table => $tmp) {
// to be able to rename a db containing views,
// first all the views are collected and a stand-in is created
// the real views are created after the tables
if (! $this->dbi->getTable($db, (string) $each_table)->isView()) {
continue;
}
// If view exists, and 'add drop view' is selected: Drop it!
if ($_POST['what'] !== 'nocopy'
&& isset($_POST['drop_if_exists'])
&& $_POST['drop_if_exists'] === 'true'
) {
$drop_query = 'DROP VIEW IF EXISTS '
. Util::backquote($_POST['newname']) . '.'
. Util::backquote($each_table);
$this->dbi->query($drop_query);
$GLOBALS['sql_query'] .= "\n" . $drop_query . ';';
}
$views[] = $each_table;
// Create stand-in definition to resolve view dependencies
$sql_view_standin = $export_sql_plugin->getTableDefStandIn(
$db,
$each_table,
"\n"
);
$this->dbi->selectDb($_POST['newname']);
$this->dbi->query($sql_view_standin);
$GLOBALS['sql_query'] .= "\n" . $sql_view_standin;
}
return $views;
}
/**
* Get sql query for copy/rename table and boolean for whether copy/rename or not
*
* @param array $tables_full array of all tables in given db or dbs
* @param bool $move whether database name is empty or not
* @param string $db database name
*
* @return array SQL queries for the constraints
*/
public function copyTables(array $tables_full, $move, $db)
{
$sqlContraints = [];
foreach ($tables_full as $each_table => $tmp) {
// skip the views; we have created stand-in definitions
if ($this->dbi->getTable($db, (string) $each_table)->isView()) {
continue;
}
// value of $what for this table only
$this_what = $_POST['what'];
// do not copy the data from a Merge table
// note: on the calling FORM, 'data' means 'structure and data'
if ($this->dbi->getTable($db, (string) $each_table)->isMerge()) {
if ($this_what === 'data') {
$this_what = 'structure';
}
if ($this_what === 'dataonly') {
$this_what = 'nocopy';
}
}
if ($this_what === 'nocopy') {
continue;
}
// keep the triggers from the original db+table
// (third param is empty because delimiters are only intended
// for importing via the mysql client or our Import feature)
$triggers = $this->dbi->getTriggers($db, (string) $each_table, '');
if (! Table::moveCopy(
$db,
$each_table,
$_POST['newname'],
$each_table,
($this_what ?? 'data'),
$move,
'db_copy'
)) {
$GLOBALS['_error'] = true;
break;
}
// apply the triggers to the destination db+table
if ($triggers) {
$this->dbi->selectDb($_POST['newname']);
foreach ($triggers as $trigger) {
$this->dbi->query($trigger['create']);
$GLOBALS['sql_query'] .= "\n" . $trigger['create'] . ';';
}
}
// this does not apply to a rename operation
if (! isset($_POST['add_constraints'])
|| empty($GLOBALS['sql_constraints_query'])
) {
continue;
}
$sqlContraints[] = $GLOBALS['sql_constraints_query'];
unset($GLOBALS['sql_constraints_query']);
}
return $sqlContraints;
}
/**
* Run the EVENT definition for selected database
*
* to avoid selecting alternatively the current and new db
* we would need to modify the CREATE definitions to qualify
* the db name
*
* @param string $db database name
*
* @return void
*/
public function runEventDefinitionsForDb($db)
{
$event_names = $this->dbi->fetchResult(
'SELECT EVENT_NAME FROM information_schema.EVENTS WHERE EVENT_SCHEMA= \''
. $this->dbi->escapeString($db) . '\';'
);
if (! $event_names) {
return;
}
foreach ($event_names as $event_name) {
$this->dbi->selectDb($db);
$tmp_query = $this->dbi->getDefinition($db, 'EVENT', $event_name);
// collect for later display
$GLOBALS['sql_query'] .= "\n" . $tmp_query;
$this->dbi->selectDb($_POST['newname']);
$this->dbi->query($tmp_query);
}
}
/**
* Handle the views, return the boolean value whether table rename/copy or not
*
* @param array $views views as an array
* @param bool $move whether database name is empty or not
* @param string $db database name
*
* @return void
*/
public function handleTheViews(array $views, $move, $db)
{
// temporarily force to add DROP IF EXIST to CREATE VIEW query,
// to remove stand-in VIEW that was created earlier
// ( $_POST['drop_if_exists'] is used in moveCopy() )
if (isset($_POST['drop_if_exists'])) {
$temp_drop_if_exists = $_POST['drop_if_exists'];
}
$_POST['drop_if_exists'] = 'true';
foreach ($views as $view) {
$copying_succeeded = Table::moveCopy(
$db,
$view,
$_POST['newname'],
$view,
'structure',
$move,
'db_copy'
);
if (! $copying_succeeded) {
$GLOBALS['_error'] = true;
break;
}
}
unset($_POST['drop_if_exists']);
if (! isset($temp_drop_if_exists)) {
return;
}
// restore previous value
$_POST['drop_if_exists'] = $temp_drop_if_exists;
}
/**
* Adjust the privileges after Renaming the db
*
* @param string $oldDb Database name before renaming
* @param string $newname New Database name requested
*
* @return void
*/
public function adjustPrivilegesMoveDb($oldDb, $newname)
{
if (! $GLOBALS['db_priv'] || ! $GLOBALS['table_priv']
|| ! $GLOBALS['col_priv'] || ! $GLOBALS['proc_priv']
|| ! $GLOBALS['is_reload_priv']
) {
return;
}
$this->dbi->selectDb('mysql');
$newname = str_replace('_', '\_', $newname);
$oldDb = str_replace('_', '\_', $oldDb);
// For Db specific privileges
$query_db_specific = 'UPDATE ' . Util::backquote('db')
. 'SET Db = \'' . $this->dbi->escapeString($newname)
. '\' where Db = \'' . $this->dbi->escapeString($oldDb) . '\';';
$this->dbi->query($query_db_specific);
// For table specific privileges
$query_table_specific = 'UPDATE ' . Util::backquote('tables_priv')
. 'SET Db = \'' . $this->dbi->escapeString($newname)
. '\' where Db = \'' . $this->dbi->escapeString($oldDb) . '\';';
$this->dbi->query($query_table_specific);
// For column specific privileges
$query_col_specific = 'UPDATE ' . Util::backquote('columns_priv')
. 'SET Db = \'' . $this->dbi->escapeString($newname)
. '\' where Db = \'' . $this->dbi->escapeString($oldDb) . '\';';
$this->dbi->query($query_col_specific);
// For procedures specific privileges
$query_proc_specific = 'UPDATE ' . Util::backquote('procs_priv')
. 'SET Db = \'' . $this->dbi->escapeString($newname)
. '\' where Db = \'' . $this->dbi->escapeString($oldDb) . '\';';
$this->dbi->query($query_proc_specific);
// Finally FLUSH the new privileges
$flush_query = 'FLUSH PRIVILEGES;';
$this->dbi->query($flush_query);
}
/**
* Adjust the privileges after Copying the db
*
* @param string $oldDb Database name before copying
* @param string $newname New Database name requested
*
* @return void
*/
public function adjustPrivilegesCopyDb($oldDb, $newname)
{
if (! $GLOBALS['db_priv'] || ! $GLOBALS['table_priv']
|| ! $GLOBALS['col_priv'] || ! $GLOBALS['proc_priv']
|| ! $GLOBALS['is_reload_priv']
) {
return;
}
$this->dbi->selectDb('mysql');
$newname = str_replace('_', '\_', $newname);
$oldDb = str_replace('_', '\_', $oldDb);
$query_db_specific_old = 'SELECT * FROM '
. Util::backquote('db') . ' WHERE '
. 'Db = "' . $oldDb . '";';
$old_privs_db = $this->dbi->fetchResult($query_db_specific_old, 0);
foreach ($old_privs_db as $old_priv) {
$newDb_db_privs_query = 'INSERT INTO ' . Util::backquote('db')
. ' VALUES("' . $old_priv[0] . '", "' . $newname . '"';
$privCount = count($old_priv);
for ($i = 2; $i < $privCount; $i++) {
$newDb_db_privs_query .= ', "' . $old_priv[$i] . '"';
}
$newDb_db_privs_query .= ')';
$this->dbi->query($newDb_db_privs_query);
}
// For Table Specific privileges
$query_table_specific_old = 'SELECT * FROM '
. Util::backquote('tables_priv') . ' WHERE '
. 'Db = "' . $oldDb . '";';
$old_privs_table = $this->dbi->fetchResult(
$query_table_specific_old,
0
);
foreach ($old_privs_table as $old_priv) {
$newDb_table_privs_query = 'INSERT INTO ' . Util::backquote(
'tables_priv'
) . ' VALUES("' . $old_priv[0] . '", "' . $newname . '", "'
. $old_priv[2] . '", "' . $old_priv[3] . '", "' . $old_priv[4]
. '", "' . $old_priv[5] . '", "' . $old_priv[6] . '", "'
. $old_priv[7] . '");';
$this->dbi->query($newDb_table_privs_query);
}
// For Column Specific privileges
$query_col_specific_old = 'SELECT * FROM '
. Util::backquote('columns_priv') . ' WHERE '
. 'Db = "' . $oldDb . '";';
$old_privs_col = $this->dbi->fetchResult(
$query_col_specific_old,
0
);
foreach ($old_privs_col as $old_priv) {
$newDb_col_privs_query = 'INSERT INTO ' . Util::backquote(
'columns_priv'
) . ' VALUES("' . $old_priv[0] . '", "' . $newname . '", "'
. $old_priv[2] . '", "' . $old_priv[3] . '", "' . $old_priv[4]
. '", "' . $old_priv[5] . '", "' . $old_priv[6] . '");';
$this->dbi->query($newDb_col_privs_query);
}
// For Procedure Specific privileges
$query_proc_specific_old = 'SELECT * FROM '
. Util::backquote('procs_priv') . ' WHERE '
. 'Db = "' . $oldDb . '";';
$old_privs_proc = $this->dbi->fetchResult(
$query_proc_specific_old,
0
);
foreach ($old_privs_proc as $old_priv) {
$newDb_proc_privs_query = 'INSERT INTO ' . Util::backquote(
'procs_priv'
) . ' VALUES("' . $old_priv[0] . '", "' . $newname . '", "'
. $old_priv[2] . '", "' . $old_priv[3] . '", "' . $old_priv[4]
. '", "' . $old_priv[5] . '", "' . $old_priv[6] . '", "'
. $old_priv[7] . '");';
$this->dbi->query($newDb_proc_privs_query);
}
// Finally FLUSH the new privileges
$flush_query = 'FLUSH PRIVILEGES;';
$this->dbi->query($flush_query);
}
/**
* Create all accumulated constraints
*
* @param array $sqlConstratints array of sql constraints for the database
*
* @return void
*/
public function createAllAccumulatedConstraints(array $sqlConstratints)
{
$this->dbi->selectDb($_POST['newname']);
foreach ($sqlConstratints as $one_query) {
$this->dbi->query($one_query);
// and prepare to display them
$GLOBALS['sql_query'] .= "\n" . $one_query;
}
}
/**
* Duplicate the bookmarks for the db (done once for each db)
*
* @param bool $_error whether table rename/copy or not
* @param string $db database name
*
* @return void
*/
public function duplicateBookmarks($_error, $db)
{
if ($_error || $db == $_POST['newname']) {
return;
}
$get_fields = [
'user',
'label',
'query',
];
$where_fields = ['dbase' => $db];
$new_fields = ['dbase' => $_POST['newname']];
Table::duplicateInfo(
'bookmarkwork',
'bookmark',
$get_fields,
$where_fields,
$new_fields
);
}
/**
* Get array of possible row formats
*
* @return array
*/
public function getPossibleRowFormat()
{
// the outer array is for engines, the inner array contains the dropdown
// option values as keys then the dropdown option labels
$possible_row_formats = [
'ARCHIVE' => ['COMPRESSED' => 'COMPRESSED'],
'ARIA' => [
'FIXED' => 'FIXED',
'DYNAMIC' => 'DYNAMIC',
'PAGE' => 'PAGE',
],
'MARIA' => [
'FIXED' => 'FIXED',
'DYNAMIC' => 'DYNAMIC',
'PAGE' => 'PAGE',
],
'MYISAM' => [
'FIXED' => 'FIXED',
'DYNAMIC' => 'DYNAMIC',
],
'PBXT' => [
'FIXED' => 'FIXED',
'DYNAMIC' => 'DYNAMIC',
],
'INNODB' => [
'COMPACT' => 'COMPACT',
'REDUNDANT' => 'REDUNDANT',
],
];
/** @var Innodb $innodbEnginePlugin */
$innodbEnginePlugin = StorageEngine::getEngine('Innodb');
$innodbPluginVersion = $innodbEnginePlugin->getInnodbPluginVersion();
if (! empty($innodbPluginVersion)) {
$innodb_file_format = $innodbEnginePlugin->getInnodbFileFormat();
} else {
$innodb_file_format = '';
}
/**
* Newer MySQL/MariaDB always return empty a.k.a '' on $innodb_file_format otherwise
* old versions of MySQL/MariaDB must be returning something or not empty.
* This patch is to support newer MySQL/MariaDB while also for backward compatibilities.
*/
if (($innodb_file_format === 'Barracuda') || ($innodb_file_format == '')
&& $innodbEnginePlugin->supportsFilePerTable()
) {
$possible_row_formats['INNODB']['DYNAMIC'] = 'DYNAMIC';
$possible_row_formats['INNODB']['COMPRESSED'] = 'COMPRESSED';
}
return $possible_row_formats;
}
/**
* @return array<string, string>
*/
public function getPartitionMaintenanceChoices(): array
{
global $db, $table;
$choices = [
'ANALYZE' => __('Analyze'),
'CHECK' => __('Check'),
'OPTIMIZE' => __('Optimize'),
'REBUILD' => __('Rebuild'),
'REPAIR' => __('Repair'),
'TRUNCATE' => __('Truncate'),
];
$partitionMethod = Partition::getPartitionMethod($db, $table);
// add COALESCE or DROP option to choices array depending on Partition method
if ($partitionMethod === 'RANGE'
|| $partitionMethod === 'RANGE COLUMNS'
|| $partitionMethod === 'LIST'
|| $partitionMethod === 'LIST COLUMNS'
) {
$choices['DROP'] = __('Drop');
} else {
$choices['COALESCE'] = __('Coalesce');
}
return $choices;
}
/**
* @param array $urlParams Array of url parameters.
* @param bool $hasRelationFeature If relation feature is enabled.
*
* @return array
*/
public function getForeignersForReferentialIntegrityCheck(
array $urlParams,
$hasRelationFeature
): array {
global $db, $table;
if (! $hasRelationFeature) {
return [];
}
$foreigners = [];
$this->dbi->selectDb($db);
$foreign = $this->relation->getForeigners($db, $table, '', 'internal');
foreach ($foreign as $master => $arr) {
$joinQuery = 'SELECT '
. Util::backquote($table) . '.*'
. ' FROM ' . Util::backquote($table)
. ' LEFT JOIN '
. Util::backquote($arr['foreign_db'])
. '.'
. Util::backquote($arr['foreign_table']);
if ($arr['foreign_table'] == $table) {
$foreignTable = $table . '1';
$joinQuery .= ' AS ' . Util::backquote($foreignTable);
} else {
$foreignTable = $arr['foreign_table'];
}
$joinQuery .= ' ON '
. Util::backquote($table) . '.'
. Util::backquote($master)
. ' = '
. Util::backquote($arr['foreign_db'])
. '.'
. Util::backquote($foreignTable) . '.'
. Util::backquote($arr['foreign_field'])
. ' WHERE '
. Util::backquote($arr['foreign_db'])
. '.'
. Util::backquote($foreignTable) . '.'
. Util::backquote($arr['foreign_field'])
. ' IS NULL AND '
. Util::backquote($table) . '.'
. Util::backquote($master)
. ' IS NOT NULL';
$thisUrlParams = array_merge(
$urlParams,
[
'sql_query' => $joinQuery,
'sql_signature' => Core::signSqlQuery($joinQuery),
]
);
$foreigners[] = [
'params' => $thisUrlParams,
'master' => $master,
'db' => $arr['foreign_db'],
'table' => $arr['foreign_table'],
'field' => $arr['foreign_field'],
];
}
return $foreigners;
}
/**
* Reorder table based on request params
*
* @return array SQL query and result
*/
public function getQueryAndResultForReorderingTable()
{
$sql_query = 'ALTER TABLE '
. Util::backquote($GLOBALS['table'])
. ' ORDER BY '
. Util::backquote(urldecode($_POST['order_field']));
if (isset($_POST['order_order'])
&& $_POST['order_order'] === 'desc'
) {
$sql_query .= ' DESC';
} else {
$sql_query .= ' ASC';
}
$sql_query .= ';';
$result = $this->dbi->query($sql_query);
return [
$sql_query,
$result,
];
}
/**
* Get table alters array
*
* @param Table $pma_table The Table object
* @param string $pack_keys pack keys
* @param string $checksum value of checksum
* @param string $page_checksum value of page checksum
* @param string $delay_key_write delay key write
* @param string $row_format row format
* @param string $newTblStorageEngine table storage engine
* @param string $transactional value of transactional
* @param string $tbl_collation collation of the table
*
* @return array
*/
public function getTableAltersArray(
$pma_table,
$pack_keys,
$checksum,
$page_checksum,
$delay_key_write,
$row_format,
$newTblStorageEngine,
$transactional,
$tbl_collation
) {
global $auto_increment;
$table_alters = [];
if (isset($_POST['comment'])
&& urldecode($_POST['prev_comment']) !== $_POST['comment']
) {
$table_alters[] = 'COMMENT = \''
. $this->dbi->escapeString($_POST['comment']) . '\'';
}
if (! empty($newTblStorageEngine)
&& mb_strtolower($newTblStorageEngine) !== mb_strtolower($GLOBALS['tbl_storage_engine'])
) {
$table_alters[] = 'ENGINE = ' . $newTblStorageEngine;
}
if (! empty($_POST['tbl_collation'])
&& $_POST['tbl_collation'] !== $tbl_collation
) {
$table_alters[] = 'DEFAULT '
. Util::getCharsetQueryPart($_POST['tbl_collation'] ?? '');
}
if ($pma_table->isEngine(['MYISAM', 'ARIA', 'ISAM'])
&& isset($_POST['new_pack_keys'])
&& $_POST['new_pack_keys'] != (string) $pack_keys
) {
$table_alters[] = 'pack_keys = ' . $_POST['new_pack_keys'];
}
$_POST['new_checksum'] = empty($_POST['new_checksum']) ? '0' : '1';
if ($pma_table->isEngine(['MYISAM', 'ARIA'])
&& $_POST['new_checksum'] !== $checksum
) {
$table_alters[] = 'checksum = ' . $_POST['new_checksum'];
}
$_POST['new_transactional']
= empty($_POST['new_transactional']) ? '0' : '1';
if ($pma_table->isEngine('ARIA')
&& $_POST['new_transactional'] !== $transactional
) {
$table_alters[] = 'TRANSACTIONAL = ' . $_POST['new_transactional'];
}
$_POST['new_page_checksum']
= empty($_POST['new_page_checksum']) ? '0' : '1';
if ($pma_table->isEngine('ARIA')
&& $_POST['new_page_checksum'] !== $page_checksum
) {
$table_alters[] = 'PAGE_CHECKSUM = ' . $_POST['new_page_checksum'];
}
$_POST['new_delay_key_write']
= empty($_POST['new_delay_key_write']) ? '0' : '1';
if ($pma_table->isEngine(['MYISAM', 'ARIA'])
&& $_POST['new_delay_key_write'] !== $delay_key_write
) {
$table_alters[] = 'delay_key_write = ' . $_POST['new_delay_key_write'];
}
if ($pma_table->isEngine(['MYISAM', 'ARIA', 'INNODB', 'PBXT', 'ROCKSDB'])
&& ! empty($_POST['new_auto_increment'])
&& (! isset($auto_increment)
|| $_POST['new_auto_increment'] !== $auto_increment)
&& $_POST['new_auto_increment'] !== $_POST['hidden_auto_increment']
) {
$table_alters[] = 'auto_increment = '
. $this->dbi->escapeString($_POST['new_auto_increment']);
}
if (! empty($_POST['new_row_format'])) {
$newRowFormat = $_POST['new_row_format'];
$newRowFormatLower = mb_strtolower($newRowFormat);
if ($pma_table->isEngine(['MYISAM', 'ARIA', 'INNODB', 'PBXT'])
&& (strlen($row_format) === 0
|| $newRowFormatLower !== mb_strtolower($row_format))
) {
$table_alters[] = 'ROW_FORMAT = '
. $this->dbi->escapeString($newRowFormat);
}
}
return $table_alters;
}
/**
* Get warning messages array
*
* @return array
*/
public function getWarningMessagesArray()
{
$warning_messages = [];
foreach ($this->dbi->getWarnings() as $warning) {
// In MariaDB 5.1.44, when altering a table from Maria to MyISAM
// and if TRANSACTIONAL was set, the system reports an error;
// I discussed with a Maria developer and he agrees that this
// should not be reported with a Level of Error, so here
// I just ignore it. But there are other 1478 messages
// that it's better to show.
if (isset($_POST['new_tbl_storage_engine'])
&& $_POST['new_tbl_storage_engine'] === 'MyISAM'
&& $warning['Code'] == '1478'
&& $warning['Level'] === 'Error'
) {
continue;
}
$warning_messages[] = $warning['Level'] . ': #' . $warning['Code']
. ' ' . $warning['Message'];
}
return $warning_messages;
}
/**
* Get SQL query and result after ran this SQL query for a partition operation
* has been requested by the user
*
* @return array $sql_query, $result
*/
public function getQueryAndResultForPartition()
{
$sql_query = 'ALTER TABLE '
. Util::backquote($GLOBALS['table']) . ' '
. $_POST['partition_operation']
. ' PARTITION ';
if ($_POST['partition_operation'] === 'COALESCE') {
$sql_query .= count($_POST['partition_name']);
} else {
$sql_query .= implode(', ', $_POST['partition_name']) . ';';
}
$result = $this->dbi->query($sql_query);
return [
$sql_query,
$result,
];
}
/**
* Adjust the privileges after renaming/moving a table
*
* @param string $oldDb Database name before table renaming/moving table
* @param string $oldTable Table name before table renaming/moving table
* @param string $newDb Database name after table renaming/ moving table
* @param string $newTable Table name after table renaming/moving table
*
* @return void
*/
public function adjustPrivilegesRenameOrMoveTable($oldDb, $oldTable, $newDb, $newTable)
{
if (! $GLOBALS['table_priv'] || ! $GLOBALS['col_priv']
|| ! $GLOBALS['is_reload_priv']
) {
return;
}
$this->dbi->selectDb('mysql');
// For table specific privileges
$query_table_specific = 'UPDATE ' . Util::backquote('tables_priv')
. 'SET Db = \'' . $this->dbi->escapeString($newDb)
. '\', Table_name = \'' . $this->dbi->escapeString($newTable)
. '\' where Db = \'' . $this->dbi->escapeString($oldDb)
. '\' AND Table_name = \'' . $this->dbi->escapeString($oldTable)
. '\';';
$this->dbi->query($query_table_specific);
// For column specific privileges
$query_col_specific = 'UPDATE ' . Util::backquote('columns_priv')
. 'SET Db = \'' . $this->dbi->escapeString($newDb)
. '\', Table_name = \'' . $this->dbi->escapeString($newTable)
. '\' where Db = \'' . $this->dbi->escapeString($oldDb)
. '\' AND Table_name = \'' . $this->dbi->escapeString($oldTable)
. '\';';
$this->dbi->query($query_col_specific);
// Finally FLUSH the new privileges
$flush_query = 'FLUSH PRIVILEGES;';
$this->dbi->query($flush_query);
}
/**
* Adjust the privileges after copying a table
*
* @param string $oldDb Database name before table copying
* @param string $oldTable Table name before table copying
* @param string $newDb Database name after table copying
* @param string $newTable Table name after table copying
*
* @return void
*/
public function adjustPrivilegesCopyTable($oldDb, $oldTable, $newDb, $newTable)
{
if (! $GLOBALS['table_priv'] || ! $GLOBALS['col_priv']
|| ! $GLOBALS['is_reload_priv']
) {
return;
}
$this->dbi->selectDb('mysql');
// For Table Specific privileges
$query_table_specific_old = 'SELECT * FROM '
. Util::backquote('tables_priv') . ' where '
. 'Db = "' . $oldDb . '" AND Table_name = "' . $oldTable . '";';
$old_privs_table = $this->dbi->fetchResult(
$query_table_specific_old,
0
);
foreach ($old_privs_table as $old_priv) {
$newDb_table_privs_query = 'INSERT INTO '
. Util::backquote('tables_priv') . ' VALUES("'
. $old_priv[0] . '", "' . $newDb . '", "' . $old_priv[2] . '", "'
. $newTable . '", "' . $old_priv[4] . '", "' . $old_priv[5]
. '", "' . $old_priv[6] . '", "' . $old_priv[7] . '");';
$this->dbi->query($newDb_table_privs_query);
}
// For Column Specific privileges
$query_col_specific_old = 'SELECT * FROM '
. Util::backquote('columns_priv') . ' WHERE '
. 'Db = "' . $oldDb . '" AND Table_name = "' . $oldTable . '";';
$old_privs_col = $this->dbi->fetchResult(
$query_col_specific_old,
0
);
foreach ($old_privs_col as $old_priv) {
$newDb_col_privs_query = 'INSERT INTO '
. Util::backquote('columns_priv') . ' VALUES("'
. $old_priv[0] . '", "' . $newDb . '", "' . $old_priv[2] . '", "'
. $newTable . '", "' . $old_priv[4] . '", "' . $old_priv[5]
. '", "' . $old_priv[6] . '");';
$this->dbi->query($newDb_col_privs_query);
}
// Finally FLUSH the new privileges
$flush_query = 'FLUSH PRIVILEGES;';
$this->dbi->query($flush_query);
}
/**
* Change all collations and character sets of all columns in table
*
* @param string $db Database name
* @param string $table Table name
* @param string $tbl_collation Collation Name
*
* @return void
*/
public function changeAllColumnsCollation($db, $table, $tbl_collation)
{
$this->dbi->selectDb($db);
$change_all_collations_query = 'ALTER TABLE '
. Util::backquote($table)
. ' CONVERT TO';
[$charset] = explode('_', $tbl_collation);
$change_all_collations_query .= ' CHARACTER SET ' . $charset
. ($charset == $tbl_collation ? '' : ' COLLATE ' . $tbl_collation);
$this->dbi->query($change_all_collations_query);
}
/**
* Move or copy a table
*
* @param string $db current database name
* @param string $table current table name
*/
public function moveOrCopyTable($db, $table): Message
{
/**
* Selects the database to work with
*/
$this->dbi->selectDb($db);
/**
* $_POST['target_db'] could be empty in case we came from an input field
* (when there are many databases, no drop-down)
*/
if (empty($_POST['target_db'])) {
$_POST['target_db'] = $db;
}
/**
* A target table name has been sent to this script -> do the work
*/
if (Core::isValid($_POST['new_name'])) {
if ($db == $_POST['target_db'] && $table == $_POST['new_name']) {
if (isset($_POST['submit_move'])) {
$message = Message::error(__('Can\'t move table to same one!'));
} else {
$message = Message::error(__('Can\'t copy table to same one!'));
}
} else {
Table::moveCopy(
$db,
$table,
$_POST['target_db'],
$_POST['new_name'],
$_POST['what'],
isset($_POST['submit_move']),
'one_table'
);
if (isset($_POST['adjust_privileges'])
&& ! empty($_POST['adjust_privileges'])
) {
if (isset($_POST['submit_move'])) {
$this->adjustPrivilegesRenameOrMoveTable(
$db,
$table,
$_POST['target_db'],
$_POST['new_name']
);
} else {
$this->adjustPrivilegesCopyTable(
$db,
$table,
$_POST['target_db'],
$_POST['new_name']
);
}
if (isset($_POST['submit_move'])) {
$message = Message::success(
__(
'Table %s has been moved to %s. Privileges have been '
. 'adjusted.'
)
);
} else {
$message = Message::success(
__(
'Table %s has been copied to %s. Privileges have been '
. 'adjusted.'
)
);
}
} else {
if (isset($_POST['submit_move'])) {
$message = Message::success(
__('Table %s has been moved to %s.')
);
} else {
$message = Message::success(
__('Table %s has been copied to %s.')
);
}
}
$old = Util::backquote($db) . '.'
. Util::backquote($table);
$message->addParam($old);
$new_name = $_POST['new_name'];
if ($this->dbi->getLowerCaseNames() === '1') {
$new_name = strtolower($new_name);
}
$GLOBALS['table'] = $new_name;
$new = Util::backquote($_POST['target_db']) . '.'
. Util::backquote($new_name);
$message->addParam($new);
}
} else {
/**
* No new name for the table!
*/
$message = Message::error(__('The table name is empty!'));
}
return $message;
}
}
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