class MwSql extends Maintenance {
public function __construct() {
parent::__construct();
- $this->mDescription = "Send SQL queries to a MediaWiki database. " .
- "Takes a file name containing SQL as argument or runs interactively.";
+ $this->addDescription( 'Send SQL queries to a MediaWiki database. ' .
+ 'Takes a file name containing SQL as argument or runs interactively.' );
+ $this->addOption( 'query',
+ 'Run a single query instead of running interactively', false, true );
$this->addOption( 'cluster', 'Use an external cluster by name', false, true );
- $this->addOption( 'wikidb', 'The database wiki ID to use if not the current one', false, true );
- $this->addOption( 'slave', 'Use a slave server (either "any" or by name)', false, true );
+ $this->addOption( 'wikidb',
+ 'The database wiki ID to use if not the current one', false, true );
+ $this->addOption( 'replicadb',
+ 'Replica DB server to use instead of the master DB (can be "any")', false, true );
}
public function execute() {
$lb = wfGetLB( $wiki );
}
// Figure out which server to use
- if ( $this->hasOption( 'slave' ) ) {
- $server = $this->getOption( 'slave' );
- if ( $server === 'any' ) {
- $index = DB_SLAVE;
- } else {
- $index = null;
- $serverCount = $lb->getServerCount();
- for ( $i = 0; $i < $serverCount; ++$i ) {
- if ( $lb->getServerName( $i ) === $server ) {
- $index = $i;
- break;
- }
- }
- if ( $index === null ) {
- $this->error( "No slave server configured with the name '$server'.", 1 );
+ $replicaDB = $this->getOption( 'replicadb', $this->getOption( 'slave', '' ) );
+ if ( $replicaDB === 'any' ) {
+ $index = DB_REPLICA;
+ } elseif ( $replicaDB != '' ) {
+ $index = null;
+ $serverCount = $lb->getServerCount();
+ for ( $i = 0; $i < $serverCount; ++$i ) {
+ if ( $lb->getServerName( $i ) === $replicaDB ) {
+ $index = $i;
+ break;
}
}
+ if ( $index === null ) {
+ $this->error( "No replica DB server configured with the name '$server'.", 1 );
+ }
} else {
$index = DB_MASTER;
}
// Get a DB handle (with this wiki's DB selected) from the appropriate load balancer
- $db = $lb->getConnection( $index, array(), $wiki );
- if ( $this->hasOption( 'slave' ) && $db->getLBInfo( 'master' ) !== null ) {
- $this->error( "The server selected ({$db->getServer()}) is not a slave.", 1 );
+ $db = $lb->getConnection( $index, [], $wiki );
+ if ( $replicaDB != '' && $db->getLBInfo( 'master' ) !== null ) {
+ $this->error( "The server selected ({$db->getServer()}) is not a replica DB.", 1 );
}
if ( $this->hasArg( 0 ) ) {
$this->error( "Unable to open input file", true );
}
- $error = $db->sourceStream( $file, false, array( $this, 'sqlPrintResult' ) );
+ $error = $db->sourceStream( $file, false, [ $this, 'sqlPrintResult' ] );
if ( $error !== true ) {
$this->error( $error, true );
} else {
}
}
+ if ( $this->hasOption( 'query' ) ) {
+ $query = $this->getOption( 'query' );
+ $this->sqlDoQuery( $db, $query, /* dieOnError */ true );
+ wfWaitForSlaves();
+ return;
+ }
+
$useReadline = function_exists( 'readline_add_history' )
&& Maintenance::posix_isatty( 0 /*STDIN*/ );
$wholeLine = '';
$newPrompt = '> ';
$prompt = $newPrompt;
+ $doDie = !Maintenance::posix_isatty( 0 );
while ( ( $line = Maintenance::readconsole( $prompt ) ) !== false ) {
if ( !$line ) {
# User simply pressed return key
readline_add_history( $wholeLine . $db->getDelimiter() );
readline_write_history( $historyFile );
}
- try {
- $res = $db->query( $wholeLine );
- $this->sqlPrintResult( $res, $db );
- } catch ( DBQueryError $e ) {
- $doDie = !Maintenance::posix_isatty( 0 );
- $this->error( $e, $doDie );
- }
+ $this->sqlDoQuery( $db, $wholeLine, $doDie );
$prompt = $newPrompt;
$wholeLine = '';
}
wfWaitForSlaves();
}
+ protected function sqlDoQuery( $db, $line, $dieOnError ) {
+ try {
+ $res = $db->query( $line );
+ $this->sqlPrintResult( $res, $db );
+ } catch ( DBQueryError $e ) {
+ $this->error( $e, $dieOnError );
+ }
+ }
+
/**
* Print the results, callback for $db->sourceStream()
* @param ResultWrapper $res The results object