org.apache.iceberg.view

Interface ViewVersion

@Value.Immutable
public interface ViewVersion

A version of the view at a point in time.

A version consists of a view metadata file.

Versions are created by view operations, like Create and Replace.

Method Summary

Modifier and Type	Method and Description
default void	check()
default java.lang.String	operation() Return the operation which produced the view version
java.util.List<ViewRepresentation>	representations() Return the list of other view representations.
int	schemaId() The query output schema at version create time, without aliases
java.util.Map<java.lang.String,java.lang.String>	summary() Return the version summary
long	timestampMillis() Return this version's timestamp.
int	versionId() Return this version's id.

Method Detail

versionId

int versionId()

Return this version's id. Version ids are monotonically increasing

timestampMillis

long timestampMillis()

Return this version's timestamp.

This timestamp is the same as those produced by System.currentTimeMillis().

Returns:

a long timestamp in milliseconds

summary

java.util.Map<java.lang.String,java.lang.String> summary()

Return the version summary

Returns:

a version summary

representations

java.util.List<ViewRepresentation> representations()

Return the list of other view representations.

May contain SQL view representations for other dialects.

Returns:

the list of view representations

operation

@Value.Lazy
default java.lang.String operation()

Return the operation which produced the view version

Returns:

the string operation which produced the view version

schemaId

int schemaId()

The query output schema at version create time, without aliases

check

@Value.Check
default void check()