Flow PHP

Joiner

Read onlyYes

FinalYes

Methods

__construct() : mixed
join() : Generator<string|int, Rows>

__construct()


    public
                    __construct(JoinType $type, JoinSchema $joinSchema, null|JoinKeys $keys, PairPredicate $condition, Backend $backend[, BatchSize $batchSize = new BatchSize(1000) ]) : mixed

Parameters

$type : JoinType

$joinSchema : JoinSchema

$keys : null|JoinKeys

null: no equality to key by, every build row is a candidate of every probe row

$condition : PairPredicate

$backend : Backend

$batchSize : BatchSize = new BatchSize(1000)

size of output batches emitted for unmatched build side rows

join()


    public
                    join(JoinSide $left, JoinSide $right[, bool $buildLeft = false ]) : Generator<string|int, Rows>

Parameters

$left : JoinSide

$right : JoinSide

$buildLeft : bool = false

build the hash table from the left side and stream the right one, memory is then bounded by the left side

Return values

Generator<string|int, Rows>