Transaction

A transaction object in a Lakehouse represents a temporary state of the Lakehouse that is not committed yet. This object is used for distributed transaction where a transaction needs to be passed from one process to another before commit.

Object Definition Schema

Schema ID: 4

Field Name	Protobuf Type	Description	Required?	Default
id	string	A unique transaction ID	Yes	auto-generated UUID4
isolation_level	string	Isolation level of the transaction	Yes	SNAPSHOT
beginning_root_node_file_path	string	File path to the beginning root node file path	Yes
running_root_node_file_path	string	File path to the root node file that represents the current state of the transaction	Yes
began_at_millis	uint64	The millisecond epoch timestamp for which the transaction began	Yes
expire_at_millis	uint64	The millisecond epoch timestamp for which the transaction would expire if not committed. This value must be greater than the begin_at_millis and cannot exceed the maximum transaction valid duration setting in the Lakehouse definition.	Yes