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ducklake_view

This table describes SQL-style VIEW definitions.

Column name Column type  
view_id BIGINT  
view_uuid UUID  
begin_snapshot BIGINT  
end_snapshot BIGINT  
schema_id BIGINT  
view_name VARCHAR  
dialect VARCHAR  
sql VARCHAR  
column_aliases VARCHAR  
  • view_id is the numeric identifier of the view. view_id is incremented from next_catalog_id in the ducklake_snapshot table.
  • view_uuid is a UUID that gives a persistent identifier for this view. The UUID is stored here for compatibility with existing lakehouse formats.
  • begin_snapshot refers to a snapshot_id from the ducklake_snapshot table. The view exists starting with this snapshot id.
  • end_snapshot refers to a snapshot_id from the ducklake_snapshot table. The view exists up to but not including this snapshot id. If end_snapshot is NULL, the view is currently valid.
  • schema_id refers to a schema_id from the ducklake_schema table.
  • view_name is the name of the view, e.g., my_view.
  • dialect is the SQL dialect of the view definition, e.g., duckdb.
  • sql is the SQL string that defines the view, e.g., SELECT * FROM my_table.
  • column_aliases contains a possible rename of the view columns. Can be NULL if no rename is set.