NullKeyFilter
Read onlyYes
FinalYes
Drops the rows whose join key holds a null: they can never match, and their unmatched padding never reaches the output for the join type the filter is used with.
Methods
- __construct() : mixed
- of() : Rows
- rows() : Generator<null|TSend, void>
- A value sent in is forwarded to $rows, and the filter returns.
Methods
__construct()
public
__construct(array<int, string> $columns) : mixed
Parameters
- $columns : array<int, string>
of()
public
of(Rows $batch) : Rows
Parameters
- $batch : Rows
Return values
Rowsrows()
A value sent in is forwarded to $rows, and the filter returns.
public
rows(Generator<null|TSend, mixed> $rows) : Generator<null|TSend, void>
Parameters
- $rows : Generator<null|TSend, mixed>