Uses of Package
org.apache.drill.exec.physical.impl.scan.v3.lifecycle
Packages that use org.apache.drill.exec.physical.impl.scan.v3.lifecycle
Package
Description
Provides the "version 3" scan framework (which can also be thought of
as EVF version 2).
Implements the details of the scan lifecycle for a set of readers,
primarily the process of resolving the scan output schema from a variety
of input schemas, then running each reader, each of which will produce
some number of batches.
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Classes in org.apache.drill.exec.physical.impl.scan.v3.lifecycle used by org.apache.drill.exec.physical.impl.scan.v3ClassDescription/** Basic scan framework for a set of "managed" readers and which uses the scan schema tracker to evolve the scan output schema.
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Classes in org.apache.drill.exec.physical.impl.scan.v3.lifecycle used by org.apache.drill.exec.physical.impl.scan.v3.fileClassDescriptionManages the schema and batch construction for a managed reader./** Basic scan framework for a set of "managed" readers and which uses the scan schema tracker to evolve the scan output schema.Implementation of the schema negotiation between scan operator and batch reader.Base class for columns that take values based on the reader, not individual rows.
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Classes in org.apache.drill.exec.physical.impl.scan.v3.lifecycle used by org.apache.drill.exec.physical.impl.scan.v3.lifecycleClassDescriptionBuilds the handler which provides values for columns in an explicit project list but for which the reader provides no values.Describes an input batch with a schema and a vector container.Manages the schema and batch construction for a managed reader./** Basic scan framework for a set of "managed" readers and which uses the scan schema tracker to evolve the scan output schema.Implementation of the schema negotiation between scan operator and batch reader.Base class for columns that take values based on the reader, not individual rows.