PruneEntriesTransformer implements Transformer
Read onlyYes
FinalYes
Unlike {@see SelectEntriesTransformer}, which throws when a reference is not declared by the schema, prune keeps what is there and silently skips absent references - pruned rows are spilled to storage, where the pruning is opportunistic rather than a contract.
Interfaces
Methods
- __construct() : mixed
- bind() : BoundStep
- transform() : Rows
Methods
__construct()
public
__construct(string|Reference ...$refs) : mixed
Parameters
- $refs : string|Reference
bind()
public
bind(Schema $input) : BoundStep
Parameters
- $input : Schema
Return values
BoundSteptransform()
public
transform(Rows $rows, FlowContext $context) : Rows
Parameters
- $rows : Rows
- $context : FlowContext