ParquetSourceFileOpener
Read onlyYes
FinalYes
Methods
- __construct() : mixed
- open() : ParquetSourceFile
Methods
__construct()
public
__construct(Filesystem $filesystem, ParquetEngine $engine, Options $options, SchemaConverter $schemaConverter, array<int, string> $columns) : mixed
Parameters
- $filesystem : Filesystem
- $engine : ParquetEngine
- $options : Options
- $schemaConverter : SchemaConverter
- $columns : array<int, string>
-
the columns to read, every one when empty
open()
public
open(SourceFile $source) : ParquetSourceFile
Parameters
- $source : SourceFile