MediaWiki  master
Wikimedia\Rdbms\DatabaseMysqli Class Reference

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

Inheritance diagram for Wikimedia\Rdbms\DatabaseMysqli:
Collaboration diagram for Wikimedia\Rdbms\DatabaseMysqli:

Public Member Functions

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

Protected Member Functions

 closeConnection ()
 
 doQuery ( $sql)
 
 fetchAffectedRowCount ()
 
 getBindingHandle ()
 
 mysqlConnect ( $realServer, $dbName)
 
 mysqlDataSeek ( $res, $row)
 
 mysqlError ( $conn=null)
 
 mysqlFetchArray ( $res)
 
 mysqlFetchField ( $res, $n)
 
 mysqlFetchObject ( $res)
 
 mysqlFieldName ( $res, $n)
 
 mysqlFieldType ( $res, $n)
 
 mysqlFreeResult ( $res)
 
 mysqlNumFields ( $res)
 
 mysqlNumRows ( $res)
 
 mysqlRealEscapeString ( $s)
 Escapes special characters in a string for use in an SQL statement. More...
 
- Protected Member Functions inherited from Wikimedia\Rdbms\DatabaseMysqlBase
 doGetLag ()
 
 doLockTables (array $read, array $write, $method)
 
 doSelectDomain (DatabaseDomain $domain)
 
 doUnlockTables ( $method)
 
 getApproximateLagStatus ()
 
 getHeartbeatData (array $conds)
 
 getLagDetectionMethod ()
 
 getLagFromPtHeartbeat ()
 
 getLagFromSlaveStatus ()
 
 getMasterServerInfo ()
 
 getReplicationSafetyInfo ()
 
 getServerGTIDs ( $fname=__METHOD__)
 
 getServerId ()
 
 getServerRoleStatus ( $role, $fname=__METHOD__)
 
 getServerUUID ()
 
 isInsertSelectSafe (array $insertOptions, array $selectOptions)
 
 isTransactableQuery ( $sql)
 
 mysqlConnect ( $realServer, $dbName)
 Open a connection to a MySQL server. More...
 
 mysqlDataSeek ( $res, $row)
 Move internal result pointer. More...
 
 mysqlError ( $conn=null)
 Returns the text of the error message from previous MySQL operation. More...
 
 mysqlFetchArray ( $res)
 Fetch a result row as an associative and numeric array. More...
 
 mysqlFetchField ( $res, $n)
 Get column information from a result. More...
 
 mysqlFetchObject ( $res)
 Fetch a result row as an object. More...
 
 mysqlFieldName ( $res, $n)
 Get the name of the specified field in a result. More...
 
 mysqlFieldType ( $res, $n)
 Get the type of the specified field in a result. More...
 
 mysqlFreeResult ( $res)
 Free result memory. More...
 
 mysqlNumFields ( $res)
 Get number of fields in result. More...
 
 mysqlNumRows ( $res)
 Get number of rows in result. More...
 
 mysqlRealEscapeString ( $s)
 
 open ( $server, $user, $password, $dbName, $schema, $tablePrefix)
 
 useGTIDs ()
 
 wasKnownStatementRollbackError ()
 
 wasQueryTimeout ( $error, $errno)
 
- Protected Member Functions inherited from Wikimedia\Rdbms\Database
 __construct (array $params)
 
 assertBuildSubstringParams ( $startPosition, $length)
 Check type and bounds for parameters to self::buildSubstring() More...
 
 assertHasConnectionHandle ()
 Make sure there is an open connection handle (alive or not) as a sanity check. More...
 
 assertIsWritableMaster ()
 Make sure that this server is not marked as a replica nor read-only as a sanity check. More...
 
 closeConnection ()
 Closes underlying database connection. More...
 
 doBegin ( $fname)
 Issues the BEGIN command to the database server. More...
 
 doCommit ( $fname)
 Issues the COMMIT command to the database server. More...
 
 doGetLag ()
 
 doInitConnection ()
 Actually connect to the database over the wire (or to local files) More...
 
 doLockTables (array $read, array $write, $method)
 Helper function for lockTables() that handles the actual table locking. More...
 
 doQuery ( $sql)
 Run a query and return a DBMS-dependent wrapper or boolean. More...
 
 doReleaseSavepoint ( $identifier, $fname)
 Release a savepoint. More...
 
 doRollback ( $fname)
 Issues the ROLLBACK command to the database server. More...
 
 doRollbackToSavepoint ( $identifier, $fname)
 Rollback to a savepoint. More...
 
 doSavepoint ( $identifier, $fname)
 Create a savepoint. More...
 
 doSelectDomain (DatabaseDomain $domain)
 
 doUnlockTables ( $method)
 Helper function for unlockTables() that handles the actual table unlocking. More...
 
 escapeLikeInternal ( $s, $escapeChar='`')
 
 executeQuery ( $sql, $fname, $flags)
 Execute a query, retrying it if there is a recoverable connection loss. More...
 
 extractSingleFieldFromList ( $var)
 
 fetchAffectedRowCount ()
 
 fieldNamesWithAlias ( $fields)
 Gets an array of aliased field names. More...
 
 fieldNameWithAlias ( $name, $alias=false)
 Get an aliased field name e.g. More...
 
 getApproximateLagStatus ()
 Get a replica DB lag estimate for this server. More...
 
 getBindingHandle ()
 Get the underlying binding connection handle. More...
 
 getDefaultSchemaVars ()
 Get schema variables to use if none have been set via setSchemaVars(). More...
 
 getLastPHPError ()
 
 getLazyMasterHandle ()
 
 getLogContext (array $extras=[])
 Create a log context to pass to PSR-3 logger functions. More...
 
 getQueryVerb ( $sql)
 
 getReadOnlyReason ()
 
 getRecordedTransactionLagStatus ()
 Get the replica DB lag when the current transaction started. More...
 
 getSchemaVars ()
 Get schema variables. More...
 
 getTempWrites ( $sql, $pseudoPermanent)
 
 getTransactionRoundId ()
 
 hasFlags ( $field, $flags)
 
 indexName ( $index)
 Allows for index remapping in queries where this is not consistent across DBMS. More...
 
 installErrorHandler ()
 Set a custom error handler for logging errors during database connection. More...
 
 isInsertSelectSafe (array $insertOptions, array $selectOptions)
 
 isTransactableQuery ( $sql)
 Determine whether a SQL statement is sensitive to isolation level. More...
 
 isWriteQuery ( $sql)
 Determine whether a query writes to the DB. More...
 
 makeGroupByWithHaving ( $options)
 Returns an optional GROUP BY with an optional HAVING. More...
 
 makeInsertOptions ( $options)
 Helper for Database::insert(). More...
 
 makeOrderBy ( $options)
 Returns an optional ORDER BY. More...
 
 makeSelectOptions ( $options)
 Returns an optional USE INDEX clause to go after the table, and a string to go at the end of the query. More...
 
 makeUpdateOptions ( $options)
 Make UPDATE options for the Database::update function. More...
 
 makeUpdateOptionsArray ( $options)
 Make UPDATE options array for Database::makeUpdateOptions. More...
 
 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. More...
 
 nativeReplace ( $table, $rows, $fname)
 REPLACE query wrapper for MySQL and SQLite, which have a native REPLACE statement. More...
 
 nonNativeInsertSelect ( $destTable, $srcTable, $varMap, $conds, $fname=__METHOD__, $insertOptions=[], $selectOptions=[], $selectJoinConds=[])
 Implementation of insertSelect() based on select() and insert() More...
 
 normalizeConditions ( $conds, $fname)
 
 open ( $server, $user, $password, $dbName, $schema, $tablePrefix)
 Open a new connection to the database (closing any existing one) More...
 
 qualifiedTableComponents ( $name)
 Get the table components needed for a query given the currently selected database. More...
 
 registerTempWrites ( $ret, $tmpType, $tmpNew, $tmpDel)
 
 relationSchemaQualifier ()
 
 replaceLostConnection ( $fname)
 Close any existing (dead) database connection and open a new connection. More...
 
 replaceVars ( $ins)
 Database independent variable replacement. More...
 
 restoreErrorHandler ()
 Restore the previous error handler and return the last PHP error for this DB. More...
 
 resultObject ( $result)
 Take a query result and wrap it in an iterable result wrapper if necessary. More...
 
 tableNamesWithAlias ( $tables)
 Gets an array of aliased table names. More...
 
 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. More...
 
 tableNameWithAlias ( $table, $alias=false)
 Get an aliased table name. More...
 
 wasKnownStatementRollbackError ()
 
 wasQueryTimeout ( $error, $errno)
 Checks whether the cause of the error is detected to be a timeout. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from Wikimedia\Rdbms\Database
static attributesFromType ( $dbType, $driver=null)
 
static factory ( $type, $params=[], $connect=self::NEW_CONNECTED)
 Construct a Database subclass instance given a database type and parameters. More...
 
static getCacheSetOptions (IDatabase $db1, IDatabase $db2=null)
 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. More...
 
- Public Attributes inherited from Wikimedia\Rdbms\DatabaseMysqlBase
const SERVER_ID_CACHE_TTL = 86400
 
- Static Protected Member Functions inherited from Wikimedia\Rdbms\Database
static getAttributes ()
 
- Protected Attributes inherited from Wikimedia\Rdbms\DatabaseMysqlBase
bool null $defaultBigSelects = null
 
string $lagDetectionMethod
 Method to detect replica DB lag. More...
 
array $lagDetectionOptions = []
 Method to detect replica DB lag. More...
 
MysqlMasterPos $lastKnownReplicaPos
 
string $sqlMode
 sql_mode value to send on connection More...
 
string null $sslCAFile
 
string null $sslCAPath
 
string null $sslCertPath
 
string [] null $sslCiphers
 
string null $sslKeyPath
 
bool $useGTIDs = false
 bool Whether to use GTID methods More...
 
bool $utf8Mode
 Use experimental UTF-8 transmission encoding. More...
 
- Protected Attributes inherited from Wikimedia\Rdbms\Database
integer null $affectedRowCount
 Rows affected by the last query to query() or its CRUD wrappers. More...
 
string $agent
 Agent name for query profiling. More...
 
bool $cliMode
 Whether this PHP instance is for a CLI script. More...
 
object resource null $conn
 Database connection. More...
 
array $connectionParams = []
 Parameters used by initConnection() to establish a connection. More...
 
array $connectionVariables = []
 SQL variables values to use for all new connections. More...
 
LoggerInterface $connLogger
 
DatabaseDomain $currentDomain
 
string $delimiter = ';'
 Current SQL query delimiter. More...
 
callable $deprecationLogger
 Deprecation logging callback. More...
 
callable $errorLogger
 Error logging callback. More...
 
int $flags
 Bitfield of class DBO_* constants. More...
 
string bool null $htmlErrors
 Stashed value of html_errors INI setting. More...
 
string [] $indexAliases = []
 Map of (index alias => index) More...
 
array $lbInfo = []
 LoadBalancer tracking information. More...
 
int $nonNativeInsertSelectBatchSize = 10000
 Row batch size to use for emulated INSERT SELECT queries. More...
 
string $password
 Password used to establish the current connection. More...
 
callable null $profiler
 
LoggerInterface $queryLogger
 
array bool $schemaVars = false
 Variables use for schema element placeholders. More...
 
string $server
 Server that this instance is currently connected to. More...
 
array $sessionNamedLocks = []
 Map of (name => 1) for locks obtained via lock() More...
 
array $sessionTempTables = []
 Map of (table name => 1) for TEMPORARY tables. More...
 
BagOStuff $srvCache
 APC cache. More...
 
array [] $tableAliases = []
 Map of (table => (dbname, schema, prefix) map) More...
 
TransactionProfiler $trxProfiler
 
string $trxShortId = ''
 ID of the active transaction or the empty string otherwise. More...
 
int $trxStatus = self::STATUS_TRX_NONE
 Transaction status. More...
 
Exception null $trxStatusCause
 The last error that caused the status to become STATUS_TRX_ERROR. More...
 
string $user
 User that this instance is currently connected under the name of. More...
 

Detailed Description

Database abstraction object for PHP extension mysqli.

Since
1.22
See also
Database

Definition at line 37 of file DatabaseMysqli.php.

Member Function Documentation

◆ closeConnection()

Wikimedia\Rdbms\DatabaseMysqli::closeConnection ( )
protected

◆ doQuery()

Wikimedia\Rdbms\DatabaseMysqli::doQuery (   $sql)
protected
Parameters
string$sql
Returns
mysqli_result|bool

Definition at line 42 of file DatabaseMysqli.php.

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

◆ fetchAffectedRowCount()

Wikimedia\Rdbms\DatabaseMysqli::fetchAffectedRowCount ( )
protected

◆ getBindingHandle()

◆ insertId()

Wikimedia\Rdbms\DatabaseMysqli::insertId ( )

◆ lastErrno()

Wikimedia\Rdbms\DatabaseMysqli::lastErrno ( )
Returns
int

Implements Wikimedia\Rdbms\IDatabase.

Definition at line 149 of file DatabaseMysqli.php.

◆ mysqlConnect()

Wikimedia\Rdbms\DatabaseMysqli::mysqlConnect (   $realServer,
  $dbName 
)
protected
Parameters
string$realServer
string | null$dbName
Returns
bool|mysqli
Exceptions
DBConnectionError

Definition at line 60 of file DatabaseMysqli.php.

References DBO_COMPRESS, DBO_PERSISTENT, DBO_SSL, list, null, and IP\splitHostAndPort().

◆ mysqlDataSeek()

Wikimedia\Rdbms\DatabaseMysqli::mysqlDataSeek (   $res,
  $row 
)
protected
Parameters
mysqli_result$res
int$row
Returns
mixed

Definition at line 268 of file DatabaseMysqli.php.

References $res.

◆ mysqlError()

Wikimedia\Rdbms\DatabaseMysqli::mysqlError (   $conn = null)
protected
Parameters
mysqli | null$connOptional connection object
Returns
string

Definition at line 276 of file DatabaseMysqli.php.

References Wikimedia\Rdbms\Database\$conn, and null.

◆ mysqlFetchArray()

Wikimedia\Rdbms\DatabaseMysqli::mysqlFetchArray (   $res)
protected
Parameters
mysqli_result$res
Returns
array|false

Definition at line 193 of file DatabaseMysqli.php.

References $res, and null.

◆ mysqlFetchField()

Wikimedia\Rdbms\DatabaseMysqli::mysqlFetchField (   $res,
  $n 
)
protected
Parameters
mysqli_result$res
int$n
Returns
mixed

Definition at line 223 of file DatabaseMysqli.php.

References $res.

◆ mysqlFetchObject()

Wikimedia\Rdbms\DatabaseMysqli::mysqlFetchObject (   $res)
protected
Parameters
mysqli_result$res
Returns
stdClass|bool

Definition at line 180 of file DatabaseMysqli.php.

References $res, and null.

◆ mysqlFieldName()

Wikimedia\Rdbms\DatabaseMysqli::mysqlFieldName (   $res,
  $n 
)
protected
Parameters
mysqli_result$res
int$n
Returns
mixed

Definition at line 246 of file DatabaseMysqli.php.

References $res.

◆ mysqlFieldType()

Wikimedia\Rdbms\DatabaseMysqli::mysqlFieldType (   $res,
  $n 
)
protected
Parameters
mysqli_result$res
int$n
Returns
mixed

Definition at line 257 of file DatabaseMysqli.php.

References $res.

◆ mysqlFreeResult()

Wikimedia\Rdbms\DatabaseMysqli::mysqlFreeResult (   $res)
protected
Parameters
mysqli_result$res
Returns
bool

Definition at line 170 of file DatabaseMysqli.php.

References $res.

◆ mysqlNumFields()

Wikimedia\Rdbms\DatabaseMysqli::mysqlNumFields (   $res)
protected
Parameters
mysqli_result$res
Returns
mixed

Definition at line 214 of file DatabaseMysqli.php.

References $res.

◆ mysqlNumRows()

Wikimedia\Rdbms\DatabaseMysqli::mysqlNumRows (   $res)
protected
Parameters
mysqli_result$res
Returns
mixed

Definition at line 206 of file DatabaseMysqli.php.

References $res.

◆ mysqlRealEscapeString()

Wikimedia\Rdbms\DatabaseMysqli::mysqlRealEscapeString (   $s)
protected

Escapes special characters in a string for use in an SQL statement.

Parameters
string$s
Returns
string

Definition at line 289 of file DatabaseMysqli.php.

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


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