org.apache.drill.exec.physical.impl.scan.v3.file

Interface FileSchemaNegotiator

All Superinterfaces:

SchemaNegotiator

All Known Implementing Classes:

FileSchemaNegotiatorImpl

public interface FileSchemaNegotiator
extends SchemaNegotiator

The file schema negotiator provides access to the Drill file system and to the file split which the reader is to consume.

Method Summary

Modifier and Type	Method and Description
FileDescrip	file() Gives the file description which holds the Drill file system, split, file work and format-specific properties.

Methods inherited from interface org.apache.drill.exec.physical.impl.scan.v3.SchemaNegotiator

batchSize, build, context, errorContext, inputSchema, isProjectionEmpty, parentErrorContext, projectionFor, providedSchema, schemaIsComplete, setErrorContext, tableSchema, tableSchema, userName

Method Detail

file

FileDescrip file()

Gives the file description which holds the Drill file system, split, file work and format-specific properties. Can open the file and provides information used to populate implicit columns.