openmaptiles/layers/transportation_name
Frédéric Rodrigo 8bb77b67a1
Diff update osm transportation name network linestring (#996)
Replacing materialized view by a tables with update from trigger on change only.

Differential update of `osm_transportation_name_linestring`, `osm_transportation_name_linestring` and `osm_transportation_name_linestring_genX`).

At the end of the transaction the dependent rows are updated.

The goal is to update more quickly the content of derivated tables by just updating the changing content. It replaces the update of materialized view because their need a full recompute (with lock issue).

It is the last part of the replacement of materialized view for the transportation layer.

It addresses #814 and a part of #809.
2020-09-28 15:56:10 +03:00
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transportation_name

Docs

Read the layer documentation at http://openmaptiles.org/schema#transportation_name

Mapping Diagram

Mapping diagram for transportation_name

ETL diagram

ETL diagram for transportation_name