Initial commit

boundaries/census_agricultural_regions.sql

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+/*
+Census Agricultural Regions
+*/
+
+/* 2021
+Definition here: https://web.archive.org/web/20250401192328/https://www12.statcan.gc.ca/census-recensement/2021/ref/dict/az/definition-eng.cfm?ID=geo006
+*/
+
+DROP TABLE IF EXISTS silver.car_2021;
+CREATE TABLE silver.car_2021 AS
+SELECT DISTINCT
+    pr.country_dguid,
+    pr.country_en_name,
+    pr.country_fr_name,
+    pr.country_en_abbreviation,
+    pr.country_fr_abbreviation,
+    pr.grc_dguid,
+    pr.grc_en_name,
+    pr.grc_fr_name,
+    pr.pr_dguid,
+    pr.pr_en_name,
+    pr.pr_fr_name,
+    pr.pr_en_abbreviation,
+    pr.pr_fr_abbreviation,
+    pr.pr_iso_code,
+    dgr.car_dguid,
+    car.carename AS car_en_name,
+    car.carfname AS car_fr_name,
+    car.geom
+FROM
+    silver.pr_2021 AS pr,
+    silver.dissemination_geographies_relationship_2021 AS dgr,
+    bronze.lcar000a21a_e AS car
+WHERE
+    pr.pr_dguid = dgr.pr_dguid
+    AND car.dguid = dgr.car_dguid;
+
+-- Make geometries valid
+UPDATE
+    silver.car_2021
+SET
+    geom = st_makevalid(geom)
+WHERE
+    st_isvalid(geom) = 'f';
+
+-- Create spatial index
+CREATE INDEX car_2021_geom_idx ON silver.car_2021 USING gist (geom) WITH (
+    fillfactor = 100
+);