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Adapt helm charts to use the new PostGIS queries structure
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Description

Context

Our current tegola config that is used in the helm charts is just a copy of the tm2 source we use in kartotherian just to simply run tegola with the current DB schema.
As part of the improvements we are planning to simplify this by using an SQL function per layer so all the logic and helpers are maintained in the PostgreSQL level.

Here is some work in progress: https://github.com/wikimedia/maps-config

Acceptance criteria:
  • Migrate tegola config to use the new query structure

Event Timeline

Change 685799 had a related patch set uploaded (by Jgiannelos; author: Jgiannelos):

[operations/deployment-charts@master] Maps vector server PostGIS query improvements

https://gerrit.wikimedia.org/r/685799

Change 685799 merged by jenkins-bot:

[operations/deployment-charts@master] Maps vector server PostGIS query improvements

https://gerrit.wikimedia.org/r/685799

Tegola configuration is already using the new queries on staging and its already tested with some traffic from production.