tlc.core.objects.tables.null_overlay

A simple empty overlay table that returns its input table’s items as its own

Module Contents

Classes

Class	Description
NullOverlay	A simple empty overlay table that returns its input table’s items as its own

API

class tlc.core.objects.tables.null_overlay.NullOverlay(url: tlc.core.url.Url | None = None, created: str | None = None, description: str | None = None, row_cache_url: tlc.core.url.Url | None = None, row_cache_populated: bool | None = None, override_table_rows_schema: Any = None, init_parameters: Any = None, input_table_url: tlc.core.url.Url | tlc.core.objects.table.Table | None = None, input_tables: list[tlc.core.url.Url] | None = None)

Bases: tlc.core.objects.table.Table

A simple empty overlay table that returns its input table’s items as its own

Parameters:

• url – The URL of the table.

• created – The creation time of the table.

• description – The description of the table.

• row_cache_url – The URL of the row cache.

• row_cache_populated – Whether the row cache is populated.

• override_table_rows_schema – The schema to override the table rows schema.

• init_parameters – The initial parameters of the table.

• input_tables – A list of Table URLs that are considered direct predecessors in this table’s lineage. This parameter serves as an explicit mechanism for tracking table relationships beyond the automatic lineage tracing typically managed by subclasses.