Wikimedia\Rdbms\DatabaseMysql Class Reference

Database abstraction object for PHP extension mysql. More...

Inheritance diagram for Wikimedia\Rdbms\DatabaseMysql:

Collaboration diagram for Wikimedia\Rdbms\DatabaseMysql:

Public Member Functions
	affectedRows ()
	insertId ()
	lastErrno ()
	selectDB ( $db)
Public Member Functions inherited from Wikimedia\Rdbms\DatabaseMysqlBase
	__construct (array $params)
	Additional $params include:
	addIdentifierQuotes ( $s)
	MySQL uses backticks for identifier quoting instead of the sql standard "double quotes".
	addQuotes ( $s)
	Adds quotes and backslashes.
	dataSeek ( $res, $row)
	deleteJoin ( $delTable, $joinTable, $delVar, $joinVar, $conds, $fname=__METHOD__)
	DELETE where the condition is a join.
	dropTable ( $tableName, $fName=__METHOD__)
	duplicateTableStructure ( $oldName, $newName, $temporary=false, $fname=__METHOD__)
	estimateRowCount ( $table, $vars=' *', $conds='', $fname=__METHOD__, $options=[])
	Estimate rows in dataset Returns estimated count, based on EXPLAIN output Takes same arguments as Database::select()
	fetchObject ( $res)
	fetchRow ( $res)
	fieldInfo ( $table, $field)
	fieldName ( $res, $n)
	fieldType ( $res, $n)
	mysql_field_type() wrapper
	freeResult ( $res)
	getLag ()
	Get replica DB lag.
	getMasterPos ()
	Get the position of the master from SHOW MASTER STATUS.
	getReplicaPos ()
	Get the position of the master from SHOW SLAVE STATUS.
	getServerUptime ()
	Determines how long the server has been up.
	getServerVersion ()
	getSoftwareLink ()
	getType ()
	ignoreIndexClause ( $index)
	indexInfo ( $table, $index, $fname=__METHOD__)
	Get information about an index into an object Returns false if the index does not exist.
	isQuotedIdentifier ( $name)
	isView ( $name, $prefix=null)
	Differentiates between a TABLE and a VIEW.
	lastError ()
	listTables ( $prefix=null, $fname=__METHOD__)
	List all tables on the database.
	listViews ( $prefix=null, $fname=__METHOD__)
	Lists VIEWs in the database.
	lock ( $lockName, $method, $timeout=5)
	lockIsFree ( $lockName, $method)
	Check to see if a named lock is available.
	lowPriorityOption ()
	masterPosWait (DBMasterPos $pos, $timeout)
	Wait for the replica DB to catch up to a given master position.
	namedLocksEnqueue ()
	Check to see if a named lock used by lock() use blocking queues.
	numFields ( $res)
	numRows ( $res)
	open ( $server, $user, $password, $dbName)
	replace ( $table, $uniqueIndexes, $rows, $fname=__METHOD__)
	serverIsReadOnly ()
	setBigSelects ( $value=true)
	setSessionOptions (array $options)
	streamStatementEnd (&$sql, &$newLine)
	strencode ( $s)
	tableExists ( $table, $fname=__METHOD__)
	Query whether a given table exists.
	tableLocksHaveTransactionScope ()
	Checks if table locks acquired by lockTables() are transaction-bound in their scope.
	unlock ( $lockName, $method)
	FROM MYSQL DOCS: https://dev.mysql.com/doc/refman/5.0/en/miscellaneous-functions.html#function_release-lock.
	upsert ( $table, array $rows, array $uniqueIndexes, array $set, $fname=__METHOD__)
	useIndexClause ( $index)
	wasConnectionError ( $errno)
	Do not use this method outside of Database/DBError classes.
	wasDeadlock ()
	Determines if the last failure was due to a deadlock.
	wasErrorReissuable ()
	Determines if the last query error was due to a dropped connection and should be dealt with by pinging the connection and reissuing the query.
	wasLockTimeout ()
	Determines if the last failure was due to a lock timeout.
	wasReadOnlyError ()
	Determines if the last failure was due to the database being read-only.
Public Member Functions inherited from Wikimedia\Rdbms\Database
	__clone ()
	Make sure that copies do not share the same client binding handle.
	__destruct ()
	Run a few simple sanity checks and close dangling connections.
	__sleep ()
	Called by serialize.
	__toString ()
	aggregateValue ( $valuedata, $valuename='value')
	Return aggregated value alias.
	anyChar ()
	Returns a token for buildLike() that denotes a '_' to be used in a LIKE query.
	anyString ()
	Returns a token for buildLike() that denotes a '' to be used in a LIKE query.
	begin ( $fname=__METHOD__, $mode=self::TRANSACTION_EXPLICIT)
	Begin a transaction.
	bitAnd ( $fieldLeft, $fieldRight)
	bitNot ( $field)
	bitOr ( $fieldLeft, $fieldRight)
	bufferResults ( $buffer=null)
	Turns buffering of SQL result sets on (true) or off (false).
	buildConcat ( $stringList)
	Build a concatenation list to feed into a SQL query.
	buildGroupConcatField ( $delim, $table, $field, $conds='', $join_conds=[])
	Build a GROUP_CONCAT or equivalent statement for a query.
	buildLike ()
	LIKE statement wrapper, receives a variable-length argument list with parts of pattern to match containing either string literals that will be escaped or tokens returned by anyChar() or anyString().
	buildStringCast ( $field)
	clearFlag ( $flag, $remember=self::REMEMBER_NOTHING)
	Clear a flag for this connection.
	close ()
	Closes a database connection.
	commit ( $fname=__METHOD__, $flush='')
	Commits a transaction previously started using begin().
	conditional ( $cond, $trueVal, $falseVal)
	Returns an SQL expression for a simple conditional.
	connectionErrorLogger ( $errno, $errstr)
	Error handler for logging errors during database connection This method should not be used outside of Database classes.
	databasesAreIndependent ()
	Returns true if DBs are assumed to be on potentially different servers.
	dbSchema ( $schema=null)
	Get/set the db schema.
	deadlockLoop ()
	Perform a deadlock-prone transaction.
	decodeBlob ( $b)
	Some DBMSs return a special placeholder object representing blob fields in result objects.
	decodeExpiry ( $expiry, $format=TS_MW)
	Decode an expiry time into a DBMS independent format.
	delete ( $table, $conds, $fname=__METHOD__)
	DELETE query wrapper.
	doAtomicSection ( $fname, callable $callback)
	Run a callback to do an atomic set of updates for this database.
	doneWrites ()
	Returns true if the connection may have been used for write queries.
	encodeBlob ( $b)
	Some DBMSs have a special format for inserting into blob fields, they don't allow simple quoted strings to be inserted.
	encodeExpiry ( $expiry)
	Encode an expiry time into the DBMS dependent format.
	endAtomic ( $fname=__METHOD__)
	Ends an atomic section of SQL statements.
	explicitTrxActive ()
	fieldExists ( $table, $field, $fname=__METHOD__)
	Determines whether a field exists in a table.
	flushSnapshot ( $fname=__METHOD__)
	Commit any transaction but error out if writes or callbacks are pending.
	getDBname ()
	Get the current DB name.
	getDomainID ()
	getFlag ( $flag)
	Returns a boolean whether the flag $flag is set for this connection.
	getInfinity ()
	Find out when 'infinity' is.
	getLBInfo ( $name=null)
	Get properties passed down from the server info array of the load balancer.
	getProperty ( $name)
	getScopedLockAndFlush ( $lockKey, $fname, $timeout)
	Acquire a named lock, flush any transaction, and return an RAII style unlocker object.
	getServer ()
	Get the server hostname or IP address.
	getServerInfo ()
	A string describing the current software version, and possibly other details in a user-friendly way.
	getSessionLagStatus ()
	Get the replica DB lag when the current transaction started or a general lag estimate if not transaction is active.
	getWikiID ()
	Alias for getDomainID()
	implicitGroupby ()
	Returns true if this database does an implicit sort when doing GROUP BY.
	implicitOrderby ()
	Returns true if this database does an implicit order by when the column has an index For example: SELECT page_title FROM page LIMIT 1.
	indexExists ( $table, $index, $fname=__METHOD__)
	Determines whether an index exists Usually throws a DBQueryError on failure If errors are explicitly ignored, returns NULL on failure.
	indexUnique ( $table, $index)
	Determines if a given index is unique.
	insert ( $table, $a, $fname=__METHOD__, $options=[])
	INSERT wrapper, inserts an array into a table.
	insertSelect ( $destTable, $srcTable, $varMap, $conds, $fname=__METHOD__, $insertOptions=[], $selectOptions=[], $selectJoinConds=[])
	INSERT SELECT wrapper.
	isOpen ()
	Is a connection to the database open?
	isReadOnly ()
	lastDoneWrites ()
	Returns the last time the connection may have been used for write queries.
	lastQuery ()
	Return the last query that went through IDatabase::query()
	limitResult ( $sql, $limit, $offset=false)
	Construct a LIMIT query with optional offset.
	lockTables (array $read, array $write, $method)
	Lock specific tables.
	makeList ( $a, $mode=self::LIST_COMMA)
	Makes an encoded list of strings from an array.
	makeWhereFrom2d ( $data, $baseKey, $subKey)
	Build a partial where clause from a 2-d array such as used for LinkBatch.
	maxListLen ()
	Return the maximum number of items allowed in a list, or 0 for unlimited.
	nextSequenceValue ( $seqName)
	Deprecated method, calls should be removed.
	onTransactionIdle (callable $callback, $fname=__METHOD__)
	Run a callback as soon as there is no transaction pending.
	onTransactionPreCommitOrIdle (callable $callback, $fname=__METHOD__)
	Run a callback before the current transaction commits or now if there is none.
	onTransactionResolution (callable $callback, $fname=__METHOD__)
	Run a callback as soon as the current transaction commits or rolls back.
	pendingWriteCallers ()
	Get the list of method names that did write queries for this transaction.
	pendingWriteQueryDuration ( $type=self::ESTIMATE_TOTAL)
	Get the time spend running write queries for this transaction.
	pendingWriteRowsAffected ()
	Get the number of affected rows from pending write queries.
	ping (&$rtt=null)
	Ping the server and try to reconnect if it there is no connection.
	query ( $sql, $fname=__METHOD__, $tempIgnore=false)
	Run an SQL query and return the result.
	reportConnectionError ( $error='Unknown error')
	reportQueryError ( $error, $errno, $sql, $fname, $tempIgnore=false)
	Report a query error.
	restoreFlags ( $state=self::RESTORE_PRIOR)
	Restore the flags to their prior state before the last setFlag/clearFlag call.
	rollback ( $fname=__METHOD__, $flush='')
	Rollback a transaction previously started using begin().
	runOnTransactionIdleCallbacks ( $trigger)
	Actually run and consume any "on transaction idle/resolution" callbacks.
	runOnTransactionPreCommitCallbacks ()
	Actually run and consume any "on transaction pre-commit" callbacks.
	runTransactionListenerCallbacks ( $trigger)
	Actually run any "transaction listener" callbacks.
	select ( $table, $vars, $conds='', $fname=__METHOD__, $options=[], $join_conds=[])
	Execute a SELECT query constructed using the various parameters provided.
	selectField ( $table, $var, $cond='', $fname=__METHOD__, $options=[], $join_conds=[])
	A SELECT wrapper which returns a single field from a single result row.
	selectFieldValues ( $table, $var, $cond='', $fname=__METHOD__, $options=[], $join_conds=[])
	A SELECT wrapper which returns a list of single field values from result rows.
	selectRow ( $table, $vars, $conds, $fname=__METHOD__, $options=[], $join_conds=[])
	Single row SELECT wrapper.
	selectRowCount ( $tables, $vars=' *', $conds='', $fname=__METHOD__, $options=[], $join_conds=[])
	Get the number of rows in dataset.
	selectSQLText ( $table, $vars, $conds='', $fname=__METHOD__, $options=[], $join_conds=[])
	The equivalent of IDatabase::select() except that the constructed SQL is returned, instead of being immediately executed.
	setFlag ( $flag, $remember=self::REMEMBER_NOTHING)
	Set a flag for this connection.
	setLazyMasterHandle (IDatabase $conn)
	Set a lazy-connecting DB handle to the master DB (for replication status purposes)
	setLBInfo ( $name, $value=null)
	Set the LB info array, or a member of it.
	setLogger (LoggerInterface $logger)
	Set the PSR-3 logger interface to use for query logging.
	setSchemaVars ( $vars)
	Set variables to be used in sourceFile/sourceStream, in preference to the ones in $GLOBALS.
	setTableAliases (array $aliases)
	Make certain table names use their own database, schema, and table prefix when passed into SQL queries pre-escaped and without a qualified database name.
	setTransactionListener ( $name, callable $callback=null)
	Run a callback each time any transaction commits or rolls back.
	setTrxEndCallbackSuppression ( $suppress)
	Whether to disable running of post-COMMIT/ROLLBACK callbacks.
	sourceFile ( $filename, callable $lineCallback=null, callable $resultCallback=null, $fname=false, callable $inputCallback=null)
	Read and execute SQL commands from a file.
	sourceStream ( $fp, callable $lineCallback=null, callable $resultCallback=null, $fname=__METHOD__, callable $inputCallback=null)
	Read and execute commands from an open file handle.
	startAtomic ( $fname=__METHOD__)
	Begin an atomic section of statements.
	strreplace ( $orig, $old, $new)
	Returns a command for str_replace function in SQL query.
	tableName ( $name, $format='quoted')
	Format a table name ready for use in constructing an SQL query.
	tableNames ()
	Fetch a number of table names into an array This is handy when you need to construct SQL for joins.
	tableNamesN ()
	Fetch a number of table names into an zero-indexed numerical array This is handy when you need to construct SQL for joins.
	tablePrefix ( $prefix=null)
	Get/set the table prefix.
	textFieldSize ( $table, $field)
	Returns the size of a text field, or -1 for "unlimited".
	timestamp ( $ts=0)
	Convert a timestamp in one of the formats accepted by wfTimestamp() to the format used for inserting into timestamp fields in this DBMS.
	timestampOrNull ( $ts=null)
	Convert a timestamp in one of the formats accepted by wfTimestamp() to the format used for inserting into timestamp fields in this DBMS.
	trxLevel ()
	Gets the current transaction level.
	trxTimestamp ()
	Get the UNIX timestamp of the time that the transaction was established.
	unionConditionPermutations ( $table, $vars, array $permute_conds, $extra_conds='', $fname=__METHOD__, $options=[], $join_conds=[])
	Construct a UNION query for permutations of conditions.
	unionQueries ( $sqls, $all)
	Construct a UNION query This is used for providing overload point for other DB abstractions not compatible with the MySQL syntax.
	unionSupportsOrderAndLimit ()
	Returns true if current database backend supports ORDER BY or LIMIT for separate subqueries within the UNION construct.
	unlockTables ( $method)
	Unlock all tables locked via lockTables()
	update ( $table, $values, $conds, $fname=__METHOD__, $options=[])
	UPDATE wrapper.
	writesOrCallbacksPending ()
	Returns true if there is a transaction open with possible write queries or transaction pre-commit/idle callbacks waiting on it to finish.
	writesPending ()

Protected Member Functions
	closeConnection ()
	doQuery ( $sql)
	mysqlConnect ( $realServer)
	mysqlDataSeek ( $res, $row)
	Move internal result pointer.
	mysqlError ( $conn=null)
	Returns the text of the error message from previous MySQL operation.
	mysqlFetchArray ( $res)
	Fetch a result row as an associative and numeric array.
	mysqlFetchField ( $res, $n)
	Get column information from a result.
	mysqlFetchObject ( $res)
	Fetch a result row as an object.
	mysqlFieldName ( $res, $n)
	Get the name of the specified field in a result.
	mysqlFieldType ( $res, $n)
	Get the type of the specified field in a result.
	mysqlFreeResult ( $res)
	Free result memory.
	mysqlNumFields ( $res)
	Get number of fields in result.
	mysqlNumRows ( $res)
	Get number of rows in result.
	mysqlRealEscapeString ( $s)
	mysqlSetCharset ( $charset)
Protected Member Functions inherited from Wikimedia\Rdbms\DatabaseMysqlBase
	connectInitCharset ()
	Set the character set information right after connection.
	doLockTables (array $read, array $write, $method)
	Helper function for lockTables() that handles the actual table locking.
	doUnlockTables ( $method)
	Helper function for unlockTables() that handles the actual table unlocking.
	getApproximateLagStatus ()
	Get a replica DB lag estimate for this server.
	getHeartbeatData (array $conds)
	getLagDetectionMethod ()
	getLagFromPtHeartbeat ()
	getLagFromSlaveStatus ()
	getMasterServerInfo ()
	indexName ( $index)
	Allows for index remapping in queries where this is not consistent across DBMS.
Protected Member Functions inherited from Wikimedia\Rdbms\Database
	assertOpen ()
	Make sure isOpen() returns true as a sanity check.
	doBegin ( $fname)
	Issues the BEGIN command to the database server.
	doCommit ( $fname)
	Issues the COMMIT command to the database server.
	doRollback ( $fname)
	Issues the ROLLBACK command to the database server.
	escapeLikeInternal ( $s, $escapeChar='`')
	fieldNamesWithAlias ( $fields)
	Gets an array of aliased field names.
	fieldNameWithAlias ( $name, $alias=false)
	Get an aliased field name e.g.
	getBindingHandle ()
	Get the underlying binding handle, mConn.
	getDefaultSchemaVars ()
	Get schema variables to use if none have been set via setSchemaVars().
	getLastPHPError ()
	getLazyMasterHandle ()
	getLogContext (array $extras=[])
	Create a log context to pass to PSR-3 logger functions.
	getQueryVerb ( $sql)
	getReadOnlyReason ()
	getSchemaVars ()
	Get schema variables.
	getTransactionLagStatus ()
	Get the replica DB lag when the current transaction started.
	ignoreErrors ( $ignoreErrors=null)
	Turns on (false) or off (true) the automatic generation and sending of a "we're sorry, but there has been a database error" page on database errors.
	installErrorHandler ()
	Set a custom error handler for logging errors during database connection.
	isTransactableQuery ( $sql)
	Determine whether a SQL statement is sensitive to isolation level.
	isWriteQuery ( $sql)
	Determine whether a query writes to the DB.
	makeGroupByWithHaving ( $options)
	Returns an optional GROUP BY with an optional HAVING.
	makeInsertOptions ( $options)
	Helper for Database::insert().
	makeOrderBy ( $options)
	Returns an optional ORDER BY.
	makeSelectOptions ( $options)
	Returns an optional USE INDEX clause to go after the table, and a string to go at the end of the query.
	makeUpdateOptions ( $options)
	Make UPDATE options for the Database::update function.
	makeUpdateOptionsArray ( $options)
	Make UPDATE options array for Database::makeUpdateOptions.
	nativeInsertSelect ( $destTable, $srcTable, $varMap, $conds, $fname=__METHOD__, $insertOptions=[], $selectOptions=[], $selectJoinConds=[])
	Native server-side implementation of insertSelect() for situations where we don't want to select everything into memory.
	nativeReplace ( $table, $rows, $fname)
	REPLACE query wrapper for MySQL and SQLite, which have a native REPLACE statement.
	pendingWriteAndCallbackCallers ()
	Get the list of method names that have pending write queries or callbacks for this transaction.
	qualifiedTableComponents ( $name)
	Get the table components needed for a query given the currently selected database.
	reconnect ()
	Close existing database connection and open a new connection.
	registerTempTableOperation ( $sql)
	replaceVars ( $ins)
	Database independent variable replacement.
	requiresDatabaseUser ()
	restoreErrorHandler ()
	Restore the previous error handler and return the last PHP error for this DB.
	resultObject ( $result)
	Take the result from a query, and wrap it in a ResultWrapper if necessary.
	tableNamesWithAlias ( $tables)
	Gets an array of aliased table names.
	tableNamesWithIndexClauseOrJOIN ( $tables, $use_index=[], $ignore_index=[], $join_conds=[])
	Get the aliased table name clause for a FROM clause which might have a JOIN and/or USE INDEX or IGNORE INDEX clause.
	tableNameWithAlias ( $name, $alias=false)
	Get an aliased table name e.g.

Additional Inherited Members
Static Public Member Functions inherited from Wikimedia\Rdbms\Database
static	factory ( $dbType, $p=[])
	Construct a Database subclass instance given a database type and parameters.
static	getCacheSetOptions (IDatabase $db1)
	Merge the result of getSessionLagStatus() for several DBs using the most pessimistic values to estimate the lag of any data derived from them in combination.
Public Attributes inherited from Wikimedia\Rdbms\Database
const	DEADLOCK_DELAY_MAX = 1500000
	Maximum time to wait before retry.
const	DEADLOCK_DELAY_MIN = 500000
	Minimum time to wait before retry, in microseconds.
const	DEADLOCK_TRIES = 4
	Number of times to re-try an operation in case of deadlock.
const	PING_QUERY = 'SELECT 1 AS ping'
const	PING_TTL = 1.0
	How long before it is worth doing a dummy query to test the connection.
const	SLOW_WRITE_SEC = 0.500
const	SMALL_WRITE_ROWS = 100
const	TINY_WRITE_SEC = 0.010
Static Protected Member Functions inherited from Wikimedia\Rdbms\Database
static	generalizeSQL ( $sql)
	Removes most variables from an SQL query and replaces them with X or N for numbers.
Protected Attributes inherited from Wikimedia\Rdbms\DatabaseMysqlBase
string	$lagDetectionMethod
	Method to detect replica DB lag.
array	$lagDetectionOptions = []
	Method to detect replica DB lag.
MysqlMasterPos	$lastKnownReplicaPos
string	$sqlMode
	sql_mode value to send on connection
string null	$sslCAFile
string null	$sslCAPath
string null	$sslCertPath
string[] null	$sslCiphers
string null	$sslKeyPath
bool	$useGTIDs = false
	bool Whether to use GTID methods
bool	$utf8Mode
	Use experimental UTF-8 transmission encoding.
Protected Attributes inherited from Wikimedia\Rdbms\Database
string	$agent
	Agent name for query profiling.
bool	$cliMode
	Whether this PHP instance is for a CLI script.
LoggerInterface	$connLogger
DatabaseDomain	$currentDomain
string	$delimiter = ';'
callback	$errorLogger
	Error logging callback.
string bool null	$htmlErrors
	Stashed value of html_errors INI setting.
float	$lastPing = 0.0
	UNIX timestamp.
resource null	$mConn = null
	Database connection.
string	$mDBname
bool null	$mDefaultBigSelects = null
int	$mFlags
string	$mLastQuery = ''
	SQL query.
float bool	$mLastWriteTime = false
	UNIX timestamp of last write query.
array	$mLBInfo = []
bool	$mOpened = false
string	$mPassword
string bool	$mPHPError = false
string	$mSchema = ''
array bool	$mSchemaVars = false
string	$mServer
array	$mSessionTempTables = []
	Map of (table name => 1) for TEMPORARY tables.
array	$mSessionVars = []
string	$mTablePrefix = ''
array[]	$mTrxEndCallbacks = []
	List of (callable, method name)
bool	$mTrxEndCallbacksSuppressed = false
	Whether to suppress triggering of transaction end callbacks.
array[]	$mTrxIdleCallbacks = []
	List of (callable, method name)
int	$mTrxLevel = 0
	Either 1 if a transaction is active or 0 otherwise.
array[]	$mTrxPreCommitCallbacks = []
	List of (callable, method name)
callable[]	$mTrxRecurringCallbacks = []
	Map of (name => callable)
string	$mTrxShortId = ''
	Either a short hexidecimal string if a transaction is active or "".
string	$mUser
array null	$preparedArgs
object string	$profiler
	Class name or object With profileIn/profileOut methods.
LoggerInterface	$queryLogger
BagOStuff	$srvCache
	APC cache.
	$tableAliases = []
TransactionProfiler	$trxProfiler

Detailed Description

Database abstraction object for PHP extension mysql.

Deprecated

1.30 PHP extension 'mysql' was deprecated in PHP 5.5 and removed in PHP 7.0.

See also

PHP extension 'mysqli' and DatabaseMysqli

Database

Definition at line 34 of file DatabaseMysql.php.

Member Function Documentation

affectedRows()

Wikimedia\Rdbms\DatabaseMysql::affectedRows

(

)

Returns

int

Implements Wikimedia\Rdbms\IDatabase.

Definition at line 145 of file DatabaseMysql.php.

References Wikimedia\Rdbms\Database\getBindingHandle().

closeConnection()

Wikimedia\Rdbms\DatabaseMysql::closeConnection ( )

protected

Returns

bool

Reimplemented from Wikimedia\Rdbms\Database.

Definition at line 116 of file DatabaseMysql.php.

References Wikimedia\Rdbms\Database\getBindingHandle().

doQuery()

Wikimedia\Rdbms\DatabaseMysql::doQuery ( $sql )

protected

Parameters

string

$sql

Returns

resource False on error

Reimplemented from Wikimedia\Rdbms\Database.

Definition at line 39 of file DatabaseMysql.php.

References $ret, Wikimedia\Rdbms\Database\bufferResults(), and Wikimedia\Rdbms\Database\getBindingHandle().

insertId()

Wikimedia\Rdbms\DatabaseMysql::insertId

(

)

Returns

int

Implements Wikimedia\Rdbms\IDatabase.

Definition at line 125 of file DatabaseMysql.php.

References Wikimedia\Rdbms\Database\getBindingHandle().

lastErrno()

Wikimedia\Rdbms\DatabaseMysql::lastErrno

(

)

Returns

int

Implements Wikimedia\Rdbms\IDatabase.

Definition at line 134 of file DatabaseMysql.php.

mysqlConnect()

Wikimedia\Rdbms\DatabaseMysql::mysqlConnect ( $realServer )

protected

Parameters

string

$realServer

Returns

bool|resource MySQL Database connection or false on failure to connect

Exceptions

DBConnectionError

Reimplemented from Wikimedia\Rdbms\DatabaseMysqlBase.

Definition at line 56 of file DatabaseMysql.php.

mysqlDataSeek()

Wikimedia\Rdbms\DatabaseMysql::mysqlDataSeek ( $res, $row )

protected

Move internal result pointer.

Parameters

ResultWrapper | resource	$res
int	$row

Returns

bool

Reimplemented from Wikimedia\Rdbms\DatabaseMysqlBase.

Definition at line 195 of file DatabaseMysql.php.

References $res.

mysqlError()

Wikimedia\Rdbms\DatabaseMysql::mysqlError ( $conn = null )

protected

Returns the text of the error message from previous MySQL operation.

Parameters

resource

$conn

Raw connection

Returns

string

Reimplemented from Wikimedia\Rdbms\DatabaseMysqlBase.

Definition at line 199 of file DatabaseMysql.php.

mysqlFetchArray()

Wikimedia\Rdbms\DatabaseMysql::mysqlFetchArray ( $res )

protected

Fetch a result row as an associative and numeric array.

Parameters

resource

$res

Raw result

Returns

array

Reimplemented from Wikimedia\Rdbms\DatabaseMysqlBase.

Definition at line 171 of file DatabaseMysql.php.

References $res.

mysqlFetchField()

Wikimedia\Rdbms\DatabaseMysql::mysqlFetchField ( $res, $n )

protected

Get column information from a result.

Parameters

resource	$res	Raw result
int	$n

Returns

stdClass

Reimplemented from Wikimedia\Rdbms\DatabaseMysqlBase.

Definition at line 183 of file DatabaseMysql.php.

References $res.

mysqlFetchObject()

Wikimedia\Rdbms\DatabaseMysql::mysqlFetchObject ( $res )

protected

Fetch a result row as an object.

Parameters

resource

$res

Raw result

Returns

stdClass

Reimplemented from Wikimedia\Rdbms\DatabaseMysqlBase.

Definition at line 167 of file DatabaseMysql.php.

References $res.

mysqlFieldName()

Wikimedia\Rdbms\DatabaseMysql::mysqlFieldName ( $res, $n )

protected

Get the name of the specified field in a result.

Parameters

ResultWrapper | resource	$res
int	$n

Returns

string

Reimplemented from Wikimedia\Rdbms\DatabaseMysqlBase.

Definition at line 187 of file DatabaseMysql.php.

References $res.

mysqlFieldType()

Wikimedia\Rdbms\DatabaseMysql::mysqlFieldType ( $res, $n )

protected

Get the type of the specified field in a result.

Parameters

ResultWrapper | resource	$res
int	$n

Returns

string

Reimplemented from Wikimedia\Rdbms\DatabaseMysqlBase.

Definition at line 191 of file DatabaseMysql.php.

References $res.

mysqlFreeResult()

Wikimedia\Rdbms\DatabaseMysql::mysqlFreeResult ( $res )

protected

Free result memory.

Parameters

resource

$res

Raw result

Returns

bool

Reimplemented from Wikimedia\Rdbms\DatabaseMysqlBase.

Definition at line 163 of file DatabaseMysql.php.

References $res.

mysqlNumFields()

Wikimedia\Rdbms\DatabaseMysql::mysqlNumFields ( $res )

protected

Get number of fields in result.

Parameters

resource

$res

Raw result

Returns

int

Reimplemented from Wikimedia\Rdbms\DatabaseMysqlBase.

Definition at line 179 of file DatabaseMysql.php.

References $res.

mysqlNumRows()

Wikimedia\Rdbms\DatabaseMysql::mysqlNumRows ( $res )

protected

Get number of rows in result.

Parameters

resource

$res

Raw result

Returns

int

Reimplemented from Wikimedia\Rdbms\DatabaseMysqlBase.

Definition at line 175 of file DatabaseMysql.php.

References $res.

mysqlRealEscapeString()

Wikimedia\Rdbms\DatabaseMysql::mysqlRealEscapeString ( $s )

protected

Parameters

string

$s

Returns

mixed

Reimplemented from Wikimedia\Rdbms\DatabaseMysqlBase.

Definition at line 203 of file DatabaseMysql.php.

References $s, and Wikimedia\Rdbms\Database\getBindingHandle().

mysqlSetCharset()

Wikimedia\Rdbms\DatabaseMysql::mysqlSetCharset ( $charset )

protected

Parameters

string

$charset

Returns

bool

Reimplemented from Wikimedia\Rdbms\DatabaseMysqlBase.

Definition at line 103 of file DatabaseMysql.php.

References Wikimedia\Rdbms\Database\getBindingHandle(), and query.

selectDB()

Wikimedia\Rdbms\DatabaseMysql::selectDB

(

$db

)

Parameters

string

$db

Returns

bool

Reimplemented from Wikimedia\Rdbms\Database.

Definition at line 155 of file DatabaseMysql.php.

References Wikimedia\Rdbms\Database\getBindingHandle().

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The documentation for this class was generated from the following file:

• includes/libs/rdbms/database/DatabaseMysql.php