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Metadata columns in data shares

Metadata columns are used for record management within the Atlassian Data Lake.

The following metadata columns are present in all tables available in a data share:

Envelope fields generation counter

The expected non-zero value if the entity type doesn’t use soft deletes.

SQL name

envelope_fields_generation_counter

Data type

BigInt

Envelope fields is tombstone

A deletion marker for the entity, used to signal to the replica service that the source service soft-deleted this entity. Read more about tombstone records.

SQL name

envelope_fields_is_tombstone

Data type

Boolean

Envelope fields resource ARI value

The unique identifier of the entity.

SQL name

envelope_fields_resource_ari_value

Data type

String

Envelope fields version

The sequence number to determine the order of events received.

SQL name

envelope_fields_version

Data type

BigInt

Envelope fields workspace ID value

The replication workspace that this entity is part of.

SQL name

envelope_fields_workspace_id_value

Data type

String

Row refreshed at

The last refresh time (UTC time zone) for this record.

SQL name

row_refreshed_at

Data type

Timestamp

Row refreshed at day

The date of the last refresh time for this record.

SQL name

row_refreshed_at_day

Data type

Date

Shard ID

An Atlassian identifier to help partition the underlying data.

SQL name

shard_id

Data type

String

Workspace ID

An Atlassian identifier that maps data to a site.

SQL name

workspace_id

Data type

String

 

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