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Create 2021 cartographic boundary files
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@@ -6,8 +6,9 @@ Census Metropolitan Areas
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Definition here: https://web.archive.org/web/20250518133322/https://www12.statcan.gc.ca/census-recensement/2021/ref/dict/az/Definition-eng.cfm?ID=geo009
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*/
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DROP TABLE IF EXISTS silver.cma_2021;
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CREATE TABLE silver.cma_2021 AS
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-- Digital boundary;
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DROP TABLE IF EXISTS silver.cma_2021_digital;
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CREATE TABLE silver.cma_2021_digital AS
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SELECT DISTINCT
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pr.country_dguid,
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pr.country_en_name,
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@@ -29,7 +30,7 @@ SELECT DISTINCT
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cma.cmatype AS cma_type,
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cma.geom
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FROM
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silver.pr_2021 AS pr,
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silver.pr_2021_digital AS pr,
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bronze.lcma000a21a_e AS cma,
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silver.dissemination_geographies_relationship_2021 AS dgr
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WHERE
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@@ -44,13 +45,60 @@ WHERE
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-- Make geometries valid
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UPDATE
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silver.cma_2021
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silver.cma_2021_digital
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SET
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geom = st_makevalid(geom)
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WHERE
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st_isvalid(geom) = 'f';
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-- Create spatial index
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CREATE INDEX cma_2021_geom_idx ON silver.cma_2021 USING gist (geom) WITH (
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CREATE INDEX cma_2021_digital_geom_idx ON silver.cma_2021_digital USING gist (geom) WITH (
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fillfactor = 100
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);
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-- Cartographic boundary;
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DROP TABLE IF EXISTS silver.cma_2021_cartographic;
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CREATE TABLE silver.cma_2021_cartographic AS
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SELECT DISTINCT
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b.country_dguid,
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b.country_en_name,
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b.country_fr_name,
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b.country_en_abbreviation,
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b.country_fr_abbreviation,
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b.grc_dguid,
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b.grc_en_name,
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b.grc_fr_name,
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b.pr_dguid,
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b.pr_en_name,
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b.pr_fr_name,
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b.pr_en_abbreviation,
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b.pr_fr_abbreviation,
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b.pr_iso_code,
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b.cma_dguid,
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b.cma_p_dguid,
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b.cma_name,
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b.cma_type,
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a.geom
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FROM
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bronze.lcma000b21a_e AS a,
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silver.cma_2021_digital AS b
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WHERE
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concat(
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a.dguid,
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a.dguidp) = concat(
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b.cma_dguid,
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b.cma_p_dguid
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);
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-- Make geometries valid
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UPDATE
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silver.cma_2021_cartographic
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SET
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geom = st_makevalid(geom)
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WHERE
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st_isvalid(geom) = 'f';
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-- Create spatial index
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CREATE INDEX cma_2021_cartographic_geom_idx ON silver.cma_2021_cartographic USING gist (geom) WITH (
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fillfactor = 100
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);
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