f0ba28fc1d
Set namespace on DbQbe. Set namespace to 'DbSearch'. Split Advisor.class.php file. Change Advisor namespace. Rename DbQbe class and file. Set namespace on DisplayResults. Set namespace on Error. Use namespace for ErrorHandler. Add class autoloader. Change ErrorHandler filename. Remove some require. Update Config namespace path. Update PMA_Util to PMA\libraries\Util. Rename Font and File classes files. Use namespace for Footer. Set namespace in all libraries classes. Namespace OutputBuffering. Export SubPartition. Rename Partition file. Namespace PDF. Namespace RecentFavoriteTable. Replace PMA_Response by Response and PMA_Message by Message. Update uses and calls. Fix unit tests. Fix SqlParser autoload. Signed-off-by: Hugues Peccatte <hugues.peccatte@gmail.com>
322 lines
8.8 KiB
PHP
322 lines
8.8 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Replication helpers
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*
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* @package PhpMyAdmin
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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/**
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* get master replication from server
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*/
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$server_master_replication = $GLOBALS['dbi']->fetchResult('SHOW MASTER STATUS');
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/**
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* set selected master server
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*/
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if (! empty($_REQUEST['master_connection'])) {
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/**
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* check for multi-master replication functionality
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*/
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$server_slave_multi_replication = $GLOBALS['dbi']->fetchResult(
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'SHOW ALL SLAVES STATUS'
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);
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if ($server_slave_multi_replication) {
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$GLOBALS['dbi']->query(
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"SET @@default_master_connection = '" . PMA\libraries\Util::sqlAddSlashes(
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$_REQUEST['master_connection']
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) . "'"
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);
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$GLOBALS['url_params']['master_connection'] = $_REQUEST['master_connection'];
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}
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}
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/**
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* get slave replication from server
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*/
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$server_slave_replication = $GLOBALS['dbi']->fetchResult('SHOW SLAVE STATUS');
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/**
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* replication types
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*/
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$replication_types = array('master', 'slave');
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/**
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* define variables for master status
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*/
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$master_variables = array(
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'File',
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'Position',
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'Binlog_Do_DB',
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'Binlog_Ignore_DB',
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);
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/**
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* Define variables for slave status
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*/
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$slave_variables = array(
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'Slave_IO_State',
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'Master_Host',
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'Master_User',
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'Master_Port',
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'Connect_Retry',
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'Master_Log_File',
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'Read_Master_Log_Pos',
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'Relay_Log_File',
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'Relay_Log_Pos',
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'Relay_Master_Log_File',
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'Slave_IO_Running',
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'Slave_SQL_Running',
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'Replicate_Do_DB',
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'Replicate_Ignore_DB',
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'Replicate_Do_Table',
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'Replicate_Ignore_Table',
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'Replicate_Wild_Do_Table',
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'Replicate_Wild_Ignore_Table',
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'Last_Errno',
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'Last_Error',
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'Skip_Counter',
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'Exec_Master_Log_Pos',
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'Relay_Log_Space',
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'Until_Condition',
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'Until_Log_File',
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'Until_Log_Pos',
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'Master_SSL_Allowed',
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'Master_SSL_CA_File',
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'Master_SSL_CA_Path',
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'Master_SSL_Cert',
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'Master_SSL_Cipher',
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'Master_SSL_Key',
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'Seconds_Behind_Master',
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);
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/**
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* define important variables, which need to be watched for
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* correct running of replication in slave mode
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*
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* @usedby PMA_getHtmlForReplicationStatusTable()
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*/
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// TODO change to regexp or something, to allow for negative match.
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// To e.g. highlight 'Last_Error'
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//
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$slave_variables_alerts = array(
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'Slave_IO_Running' => 'No',
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'Slave_SQL_Running' => 'No',
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);
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$slave_variables_oks = array(
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'Slave_IO_Running' => 'Yes',
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'Slave_SQL_Running' => 'Yes',
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);
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// check which replication is available and
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// set $server_{master/slave}_status and assign values
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// replication info is more easily passed to functions
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$GLOBALS['replication_info'] = array();
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foreach ($replication_types as $type) {
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if (count(${"server_{$type}_replication"}) > 0) {
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$GLOBALS['replication_info'][$type]['status'] = true;
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} else {
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$GLOBALS['replication_info'][$type]['status'] = false;
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}
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if ($GLOBALS['replication_info'][$type]['status']) {
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if ($type == "master") {
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PMA_fillReplicationInfo(
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$type, 'Do_DB', $server_master_replication[0],
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'Binlog_Do_DB'
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);
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PMA_fillReplicationInfo(
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$type, 'Ignore_DB', $server_master_replication[0],
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'Binlog_Ignore_DB'
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);
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} elseif ($type == "slave") {
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PMA_fillReplicationInfo(
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$type, 'Do_DB', $server_slave_replication[0],
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'Replicate_Do_DB'
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);
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PMA_fillReplicationInfo(
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$type, 'Ignore_DB', $server_slave_replication[0],
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'Replicate_Ignore_DB'
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);
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PMA_fillReplicationInfo(
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$type, 'Do_Table', $server_slave_replication[0],
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'Replicate_Do_Table'
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);
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PMA_fillReplicationInfo(
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$type, 'Ignore_Table', $server_slave_replication[0],
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'Replicate_Ignore_Table'
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);
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PMA_fillReplicationInfo(
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$type, 'Wild_Do_Table', $server_slave_replication[0],
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'Replicate_Wild_Do_Table'
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);
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PMA_fillReplicationInfo(
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$type, 'Wild_Ignore_Table', $server_slave_replication[0],
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'Replicate_Wild_Ignore_Table'
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);
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}
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}
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}
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/**
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* Fill global replication_info variable.
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*
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* @param string $type Type: master, slave
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* @param string $replicationInfoKey Key in replication_info variable
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* @param array $mysqlInfo MySQL data about replication
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* @param string $mysqlKey MySQL key
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*
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* @return array
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*/
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function PMA_fillReplicationInfo(
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$type, $replicationInfoKey, $mysqlInfo, $mysqlKey
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) {
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$GLOBALS['replication_info'][$type][$replicationInfoKey]
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= empty($mysqlInfo[$mysqlKey])
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? array()
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: explode(
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",",
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$mysqlInfo[$mysqlKey]
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);
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return $GLOBALS['replication_info'][$type][$replicationInfoKey];
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}
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/**
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* Extracts database or table name from string
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*
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* @param string $string contains "dbname.tablename"
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* @param string $what what to extract (db|table)
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*
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* @return string the extracted part
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*/
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function PMA_extractDbOrTable($string, $what = 'db')
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{
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$list = explode(".", $string);
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if ('db' == $what) {
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return $list[0];
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} else {
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return $list[1];
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}
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}
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/**
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* Configures replication slave
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*
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* @param string $action possible values: START or STOP
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* @param string $control default: null,
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* possible values: SQL_THREAD or IO_THREAD or null.
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* If it is set to null, it controls both
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* SQL_THREAD and IO_THREAD
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* @param mixed $link mysql link
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*
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* @return mixed output of DatabaseInterface::tryQuery
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*/
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function PMA_Replication_Slave_control($action, $control = null, $link = null)
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{
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$action = /*overload*/mb_strtoupper($action);
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$control = /*overload*/mb_strtoupper($control);
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if ($action != "START" && $action != "STOP") {
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return -1;
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}
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if ($control != "SQL_THREAD" && $control != "IO_THREAD" && $control != null) {
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return -1;
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}
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return $GLOBALS['dbi']->tryQuery($action . " SLAVE " . $control . ";", $link);
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}
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/**
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* Changes master for replication slave
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*
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* @param string $user replication user on master
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* @param string $password password for the user
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* @param string $host master's hostname or IP
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* @param int $port port, where mysql is running
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* @param array $pos position of mysql replication,
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* array should contain fields File and Position
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* @param bool $stop shall we stop slave?
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* @param bool $start shall we start slave?
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* @param mixed $link mysql link
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*
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* @return string output of CHANGE MASTER mysql command
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*/
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function PMA_Replication_Slave_changeMaster($user, $password, $host, $port,
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$pos, $stop = true, $start = true, $link = null
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) {
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if ($stop) {
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PMA_Replication_Slave_control("STOP", null, $link);
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}
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$out = $GLOBALS['dbi']->tryQuery(
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'CHANGE MASTER TO ' .
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'MASTER_HOST=\'' . $host . '\',' .
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'MASTER_PORT=' . ($port * 1) . ',' .
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'MASTER_USER=\'' . $user . '\',' .
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'MASTER_PASSWORD=\'' . $password . '\',' .
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'MASTER_LOG_FILE=\'' . $pos["File"] . '\',' .
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'MASTER_LOG_POS=' . $pos["Position"] . ';', $link
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);
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if ($start) {
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PMA_Replication_Slave_control("START", null, $link);
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}
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return $out;
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}
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/**
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* This function provides connection to remote mysql server
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*
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* @param string $user mysql username
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* @param string $password password for the user
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* @param string $host mysql server's hostname or IP
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* @param int $port mysql remote port
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* @param string $socket path to unix socket
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*
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* @return mixed $link mysql link on success
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*/
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function PMA_Replication_connectToMaster(
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$user, $password, $host = null, $port = null, $socket = null
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) {
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$server = array();
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$server["host"] = $host;
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$server["port"] = $port;
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$server["socket"] = $socket;
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// 5th parameter set to true means that it's an auxiliary connection
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// and we must not go back to login page if it fails
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return $GLOBALS['dbi']->connect($user, $password, false, $server, true);
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}
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/**
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* Fetches position and file of current binary log on master
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*
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* @param mixed $link mysql link
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*
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* @return array an array containing File and Position in MySQL replication
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* on master server, useful for PMA_Replication_Slave_changeMaster
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*/
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function PMA_Replication_Slave_binLogMaster($link = null)
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{
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$data = $GLOBALS['dbi']->fetchResult('SHOW MASTER STATUS', null, null, $link);
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$output = array();
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if (! empty($data)) {
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$output["File"] = $data[0]["File"];
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$output["Position"] = $data[0]["Position"];
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}
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return $output;
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}
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