IDatabase.php

Go to the documentation of this file.

<?php
namespace Wikimedia\Rdbms;
 
use InvalidArgumentException;
use Wikimedia\ScopedCallback;
use RuntimeException;
use stdClass;
 
interface IDatabase {
    const TRIGGER_IDLE = 1;
    const TRIGGER_COMMIT = 2;
    const TRIGGER_ROLLBACK = 3;
 
    const TRANSACTION_EXPLICIT = '';
    const TRANSACTION_INTERNAL = 'implicit';
 
    const ATOMIC_NOT_CANCELABLE = '';
    const ATOMIC_CANCELABLE = 'cancelable';
 
    const FLUSHING_ONE = '';
    const FLUSHING_ALL_PEERS = 'flush';
    const FLUSHING_INTERNAL = 'flush-internal';
 
    const REMEMBER_NOTHING = '';
    const REMEMBER_PRIOR = 'remember';
    const RESTORE_PRIOR = 'prior';
    const RESTORE_INITIAL = 'initial';
 
    const ESTIMATE_TOTAL = 'total';
    const ESTIMATE_DB_APPLY = 'apply';
 
    const LIST_COMMA = 0;
    const LIST_AND = 1;
    const LIST_SET = 2;
    const LIST_NAMES = 3;
    const LIST_OR = 4;
 
    const DBO_DEBUG = 1;
    const DBO_NOBUFFER = 2;
    const DBO_IGNORE = 4;
    const DBO_TRX = 8;
    const DBO_DEFAULT = 16;
    const DBO_PERSISTENT = 32;
    const DBO_SYSDBA = 64;
    const DBO_DDLMODE = 128;
    const DBO_SSL = 256;
    const DBO_COMPRESS = 512;
 
    const QUERY_SILENCE_ERRORS = 1; // b/c for 1.32 query() argument; note that (int)true = 1
    const QUERY_PSEUDO_PERMANENT = 2;
    const QUERY_REPLICA_ROLE = 4;
 
    const UNION_ALL = true;
    const UNION_DISTINCT = false;
 
    public function getServerInfo();
 
    public function bufferResults( $buffer = null );
 
    public function trxLevel();
 
    public function trxTimestamp();
 
    public function explicitTrxActive();
 
    public function assertNoOpenTransactions();
 
    public function tablePrefix( $prefix = null );
 
    public function dbSchema( $schema = null );
 
    public function getLBInfo( $name = null );
 
    public function setLBInfo( $name, $value = null );
 
    public function setLazyMasterHandle( IDatabase $conn );
 
    public function implicitGroupby();
 
    public function implicitOrderby();
 
    public function lastQuery();
 
    public function doneWrites();
 
    public function lastDoneWrites();
 
    public function writesPending();
 
    public function preCommitCallbacksPending();
 
    public function writesOrCallbacksPending();
 
    public function pendingWriteQueryDuration( $type = self::ESTIMATE_TOTAL );
 
    public function pendingWriteCallers();
 
    public function pendingWriteRowsAffected();
 
    public function isOpen();
 
    public function setFlag( $flag, $remember = self::REMEMBER_NOTHING );
 
    public function clearFlag( $flag, $remember = self::REMEMBER_NOTHING );
 
    public function restoreFlags( $state = self::RESTORE_PRIOR );
 
    public function getFlag( $flag );
 
    public function getDomainID();
 
    public function getWikiID();
 
    public function getType();
 
    public function fetchObject( $res );
 
    public function fetchRow( $res );
 
    public function numRows( $res );
 
    public function numFields( $res );
 
    public function fieldName( $res, $n );
 
    public function insertId();
 
    public function dataSeek( $res, $row );
 
    public function lastErrno();
 
    public function lastError();
 
    public function affectedRows();
 
    public function getSoftwareLink();
 
    public function getServerVersion();
 
    public function close();
 
    public function query( $sql, $fname = __METHOD__, $flags = 0 );
 
    public function freeResult( $res );
 
    public function selectField(
        $table, $var, $cond = '', $fname = __METHOD__, $options = [], $join_conds = []
    );
 
    public function selectFieldValues(
        $table, $var, $cond = '', $fname = __METHOD__, $options = [], $join_conds = []
    );
 
    public function select(
        $table, $vars, $conds = '', $fname = __METHOD__,
        $options = [], $join_conds = []
    );
 
    public function selectSQLText(
        $table, $vars, $conds = '', $fname = __METHOD__,
        $options = [], $join_conds = []
    );
 
    public function selectRow( $table, $vars, $conds, $fname = __METHOD__,
        $options = [], $join_conds = []
    );
 
    public function estimateRowCount(
        $table, $var = '*', $conds = '', $fname = __METHOD__, $options = [], $join_conds = []
    );
 
    public function selectRowCount(
        $tables, $var = '*', $conds = '', $fname = __METHOD__, $options = [], $join_conds = []
    );
 
    public function lockForUpdate(
        $table, $conds = '', $fname = __METHOD__, $options = [], $join_conds = []
    );
 
    public function fieldExists( $table, $field, $fname = __METHOD__ );
 
    public function indexExists( $table, $index, $fname = __METHOD__ );
 
    public function tableExists( $table, $fname = __METHOD__ );
 
    public function insert( $table, $a, $fname = __METHOD__, $options = [] );
 
    public function update( $table, $values, $conds, $fname = __METHOD__, $options = [] );
 
    public function makeList( $a, $mode = self::LIST_COMMA );
 
    public function makeWhereFrom2d( $data, $baseKey, $subKey );
 
    public function aggregateValue( $valuedata, $valuename = 'value' );
 
    public function bitNot( $field );
 
    public function bitAnd( $fieldLeft, $fieldRight );
 
    public function bitOr( $fieldLeft, $fieldRight );
 
    public function buildConcat( $stringList );
 
    public function buildGroupConcatField(
        $delim, $table, $field, $conds = '', $join_conds = []
    );
 
    public function buildSubString( $input, $startPosition, $length = null );
 
    public function buildStringCast( $field );
 
    public function buildIntegerCast( $field );
 
    public function buildSelectSubquery(
        $table, $vars, $conds = '', $fname = __METHOD__,
        $options = [], $join_conds = []
    );
 
    public function databasesAreIndependent();
 
    public function selectDB( $db );
 
    public function selectDomain( $domain );
 
    public function getDBname();
 
    public function getServer();
 
    public function addQuotes( $s );
 
    public function addIdentifierQuotes( $s );
 
    public function buildLike();
 
    public function anyChar();
 
    public function anyString();
 
    public function nextSequenceValue( $seqName );
 
    public function replace( $table, $uniqueIndexes, $rows, $fname = __METHOD__ );
 
    public function upsert(
        $table, array $rows, $uniqueIndexes, array $set, $fname = __METHOD__
    );
 
    public function deleteJoin( $delTable, $joinTable, $delVar, $joinVar, $conds,
        $fname = __METHOD__
    );
 
    public function delete( $table, $conds, $fname = __METHOD__ );
 
    public function insertSelect( $destTable, $srcTable, $varMap, $conds,
        $fname = __METHOD__,
        $insertOptions = [], $selectOptions = [], $selectJoinConds = []
    );
 
    public function unionSupportsOrderAndLimit();
 
    public function unionQueries( $sqls, $all );
 
    public function unionConditionPermutations(
        $table, $vars, array $permute_conds, $extra_conds = '', $fname = __METHOD__,
        $options = [], $join_conds = []
    );
 
    public function conditional( $cond, $trueVal, $falseVal );
 
    public function strreplace( $orig, $old, $new );
 
    public function getServerUptime();
 
    public function wasDeadlock();
 
    public function wasLockTimeout();
 
    public function wasConnectionLoss();
 
    public function wasReadOnlyError();
 
    public function wasErrorReissuable();
 
    public function masterPosWait( DBMasterPos $pos, $timeout );
 
    public function getReplicaPos();
 
    public function getMasterPos();
 
    public function serverIsReadOnly();
 
    public function onTransactionResolution( callable $callback, $fname = __METHOD__ );
 
    public function onTransactionCommitOrIdle( callable $callback, $fname = __METHOD__ );
 
    public function onTransactionIdle( callable $callback, $fname = __METHOD__ );
 
    public function onTransactionPreCommitOrIdle( callable $callback, $fname = __METHOD__ );
 
    public function setTransactionListener( $name, callable $callback = null );
 
    public function startAtomic( $fname = __METHOD__, $cancelable = self::ATOMIC_NOT_CANCELABLE );
 
    public function endAtomic( $fname = __METHOD__ );
 
    public function cancelAtomic( $fname = __METHOD__, AtomicSectionIdentifier $sectionId = null );
 
    public function doAtomicSection(
        $fname, callable $callback, $cancelable = self::ATOMIC_NOT_CANCELABLE
    );
 
    public function begin( $fname = __METHOD__, $mode = self::TRANSACTION_EXPLICIT );
 
    public function commit( $fname = __METHOD__, $flush = '' );
 
    public function rollback( $fname = __METHOD__, $flush = '' );
 
    public function flushSnapshot( $fname = __METHOD__ );
 
    public function timestamp( $ts = 0 );
 
    public function timestampOrNull( $ts = null );
 
    public function ping( &$rtt = null );
 
    public function getLag();
 
    public function getSessionLagStatus();
 
    public function maxListLen();
 
    public function encodeBlob( $b );
 
    public function decodeBlob( $b );
 
    public function setSessionOptions( array $options );
 
    public function setSchemaVars( $vars );
 
    public function lockIsFree( $lockName, $method );
 
    public function lock( $lockName, $method, $timeout = 5 );
 
    public function unlock( $lockName, $method );
 
    public function getScopedLockAndFlush( $lockKey, $fname, $timeout );
 
    public function namedLocksEnqueue();
 
    public function getInfinity();
 
    public function encodeExpiry( $expiry );
 
    public function decodeExpiry( $expiry, $format = TS_MW );
 
    public function setBigSelects( $value = true );
 
    public function isReadOnly();
 
    public function setTableAliases( array $aliases );
 
    public function setIndexAliases( array $aliases );
}
 
class_alias( IDatabase::class, 'IDatabase' );