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206307fd22
* test: add config and multiple zoom level tests * test: add more fixtures * test: use ST_CurveToLine in function source fixtures * test: update vtzero binaries
21 lines
808 B
PL/PgSQL
21 lines
808 B
PL/PgSQL
DROP FUNCTION IF EXISTS public.function_source_query_params;
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CREATE OR REPLACE FUNCTION public.function_source_query_params(z integer, x integer, y integer, query_params json) RETURNS bytea AS $$
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DECLARE
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mvt bytea;
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BEGIN
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RAISE DEBUG 'query_params: %', query_params;
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IF (query_params->>'token')::varchar IS NULL THEN
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RAISE EXCEPTION 'the `token` json parameter does not exist in `query_params`';
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END IF;
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SELECT INTO mvt ST_AsMVT(tile, 'public.function_source_query_params', 4096, 'geom') FROM (
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SELECT
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ST_AsMVTGeom(ST_Transform(ST_CurveToLine(geom), 3857), TileBBox(z, x, y, 3857), 4096, 64, true) AS geom
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FROM public.table_source
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WHERE geom && TileBBox(z, x, y, 4326)
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) as tile WHERE geom IS NOT NULL;
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RETURN mvt;
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END
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$$ LANGUAGE plpgsql IMMUTABLE STRICT PARALLEL SAFE; |