Files
2025-06-04 16:36:45 +00:00

138 lines
2.9 KiB
SQL

/*
Dissemination Blocks
*/
/* 2021
Definition here: https://web.archive.org/web/20250212081621/https://www12.statcan.gc.ca/census-recensement/2021/ref/dict/az/definition-eng.cfm?ID=geo014
*/
-- Digital boundary;
DROP TABLE IF EXISTS silver.db_2021_digital;
CREATE TABLE silver.db_2021_digital AS
SELECT DISTINCT
csd.country_dguid,
csd.country_en_name,
csd.country_fr_name,
csd.country_en_abbreviation,
csd.country_fr_abbreviation,
csd.grc_dguid,
csd.grc_en_name,
csd.grc_fr_name,
csd.pr_dguid,
csd.pr_en_name,
csd.pr_fr_name,
csd.pr_en_abbreviation,
csd.pr_fr_abbreviation,
csd.pr_iso_code,
csd.car_dguid,
csd.car_en_name,
csd.car_fr_name,
csd.er_dguid,
csd.er_name,
csd.cd_dguid,
csd.cd_name,
csd.cd_type,
csd.ccs_dguid,
csd.ccs_name,
csd.cma_dguid,
csd.cma_p_dguid,
csd.cma_name,
csd.cma_type,
csd.csd_dguid,
csd.csd_name,
csd.csd_type,
csd.sac_type,
csd.sac_code,
dgr.fed_dguid,
fed.fed_name,
fed.fed_en_name,
fed.fed_fr_name,
dgr.ct_dguid,
dgr.ada_dguid,
dgr.da_dguid,
dgr.db_dguid,
db.geom
FROM silver.dissemination_geographies_relationship_2021 AS dgr
LEFT JOIN silver.csd_2021_digital AS csd
ON dgr.csd_dguid = csd.csd_dguid
LEFT JOIN silver.fed_2021_2013_digital AS fed
ON dgr.fed_dguid = fed.fed_dguid
LEFT JOIN bronze.ldb_000a21a_e AS db
ON dgr.db_dguid = db.dguid;
-- Make geometries valid
UPDATE
silver.db_2021_digital
SET
geom = st_makevalid(geom)
WHERE
st_isvalid(geom) = 'f';
-- Create spatial index
CREATE INDEX db_2021_digital_geom_idx ON silver.db_2021_digital USING gist (geom) WITH (
fillfactor = 100
);
-- Cartographic boundary;
DROP TABLE IF EXISTS silver.db_2021_cartographic;
CREATE TABLE silver.db_2021_cartographic AS
SELECT DISTINCT
b.country_dguid,
b.country_en_name,
b.country_fr_name,
b.country_en_abbreviation,
b.country_fr_abbreviation,
b.grc_dguid,
b.grc_en_name,
b.grc_fr_name,
b.pr_dguid,
b.pr_en_name,
b.pr_fr_name,
b.pr_en_abbreviation,
b.pr_fr_abbreviation,
b.pr_iso_code,
b.car_dguid,
b.car_en_name,
b.car_fr_name,
b.er_dguid,
b.er_name,
b.cd_dguid,
b.cd_name,
b.cd_type,
b.ccs_dguid,
b.ccs_name,
b.cma_dguid,
b.cma_p_dguid,
b.cma_name,
b.cma_type,
b.csd_dguid,
b.csd_name,
b.csd_type,
b.sac_type,
b.sac_code,
b.fed_dguid,
b.fed_name,
b.fed_en_name,
b.fed_fr_name,
b.ct_dguid,
b.ada_dguid,
b.da_dguid,
b.db_dguid,
a.geom
FROM
bronze.ldb_000b21a_e AS a,
silver.db_2021_digital AS b
WHERE b.db_dguid = a.dguid;
-- Make geometries valid
UPDATE
silver.db_2021_cartographic
SET
geom = st_makevalid(geom)
WHERE
st_isvalid(geom) = 'f';
-- Create spatial index
CREATE INDEX db_2021_cartographic_geom_idx ON silver.db_2021_cartographic USING gist (geom) WITH (
fillfactor = 100
);