io.delta.kernel.internal

Class TableFeatures

Object

io.delta.kernel.internal.TableFeatures

public class TableFeatures
extends Object

Contains utility methods related to the Delta table feature support in protocol.

Constructor Summary

Constructors

Constructor and Description
TableFeatures()

Method Summary

Modifier and Type	Method and Description
static void	validateReadSupportedTable(Protocol protocol, Metadata metadata, String tablePath)
static void	validateWriteSupportedTable(Protocol protocol, Metadata metadata, StructType tableSchema, String tablePath) Utility method to validate whether the given table is supported for writing from Kernel.

Methods inherited from class Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TableFeatures

public TableFeatures()

Method Detail

validateReadSupportedTable

public static void validateReadSupportedTable(Protocol protocol,
                                              Metadata metadata,
                                              String tablePath)

validateWriteSupportedTable

public static void validateWriteSupportedTable(Protocol protocol,
                                               Metadata metadata,
                                               StructType tableSchema,
                                               String tablePath)

Utility method to validate whether the given table is supported for writing from Kernel. Currently, the support is as follows:

• protocol writer version 1.
• protocol writer version 2 only with appendOnly feature enabled.
• protocol writer version 7 with "appendOnly" feature enabled.

Parameters:

protocol - Table protocol

metadata - Table metadata

tableSchema - Table schema