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d4c-datapkg-statistical/boundaries/census_consolidated_subdivisions.sql
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Diego Ripley f93e4d0cec Initial commit
2025-05-24 13:37:31 -04:00

56 lines
1.2 KiB
SQL

/*
Census Consolidated Subdivisions
*/
/* 2021
Definition here: https://web.archive.org/web/20250401192303/https://www12.statcan.gc.ca/census-recensement/2021/ref/dict/az/Definition-eng.cfm?ID=geo007
*/
DROP TABLE IF EXISTS silver.ccs_2021;
CREATE TABLE silver.ccs_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,
cd.cd_dguid,
cd.cd_name,
cd.cd_type,
ccs.dguid AS ccs_dguid,
ccs.ccsname AS ccs_name,
ccs.geom
FROM
silver.cd_2021 AS cd,
silver.dissemination_geographies_relationship_2021 AS dgr,
bronze.lccs000a21a_e AS ccs
WHERE
cd.cd_dguid = dgr.cd_dguid
AND
ccs.dguid = dgr.ccs_dguid;
-- Make geometries valid
UPDATE
silver.ccs_2021
SET
geom = st_makevalid(geom)
WHERE
st_isvalid(geom) = 'f';
-- Create spatial index
CREATE INDEX ccs_2021_geom_idx ON silver.ccs_2021 USING gist (geom) WITH (
fillfactor = 100
);