Initial commit

boundaries/census_subdivisions.sql

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+/*
+Census Subdivisions
+*/
+
+/* 2021
+Definition here: https://web.archive.org/web/20240526213705/https://www12.statcan.gc.ca/census-recensement/2021/ref/dict/az/Definition-eng.cfm?ID=geo012
+*/
+
+DROP TABLE IF EXISTS silver.csd_2021;
+CREATE TABLE silver.csd_2021 AS
+SELECT DISTINCT
+    cd.country_dguid,
+    cd.country_en_name,
+    cd.country_fr_name,
+    cd.country_en_abbreviation,
+    cd.country_fr_abbreviation,
+    cd.grc_dguid,
+    cd.grc_en_name,
+    cd.grc_fr_name,
+    cd.pr_dguid,
+    cd.pr_en_name,
+    cd.pr_fr_name,
+    cd.pr_en_abbreviation,
+    cd.pr_fr_abbreviation,
+    cd.pr_iso_code,
+    cd.car_dguid,
+    cd.car_en_name,
+    cd.car_fr_name,
+    er.er_dguid,
+    er.er_name,
+    cd.cd_dguid,
+    cd.cd_name,
+    cd.cd_type,
+    ccs.ccs_dguid,
+    ccs.ccs_name,
+    gaf.cma_dguid,
+    gaf.cma_p_dguid,
+    cma.cma_name,
+    cma.cma_type,
+    gaf.csd_dguid,
+    csd.csdname AS csd_name,
+    csd.csdtype AS csd_type,
+    gaf.sac_type,
+    gaf.sac_code,
+    csd.geom
+FROM silver.gaf_2021 AS gaf
+LEFT JOIN silver.cma_2021 AS cma
+    ON
+        concat(gaf.cma_dguid, gaf.cma_p_dguid)
+        = concat(cma.cma_dguid, cma.cma_p_dguid)
+LEFT JOIN silver.cd_2021 AS cd
+    ON gaf.cd_dguid = cd.cd_dguid
+LEFT JOIN silver.er_2021 AS er
+    ON gaf.er_dguid = er.er_dguid
+LEFT JOIN silver.ccs_2021 AS ccs
+    ON gaf.ccs_dguid = ccs.ccs_dguid
+LEFT JOIN bronze.lcsd000a21a_e AS csd
+    ON gaf.csd_dguid = csd.dguid;
+
+-- Make geometries valid
+UPDATE
+    silver.csd_2021
+SET
+    geom = st_makevalid(geom)
+WHERE
+    st_isvalid(geom) = 'f';
+
+-- Create spatial index
+CREATE INDEX csd_2021_geom_idx ON silver.csd_2021 USING gist (geom) WITH (
+    fillfactor = 100
+);