mirror of
https://github.com/dataforcanada/d4c-datapkg-statistical.git
synced 2026-06-13 22:20:56 +02:00
Diego Ripley
57 lines
1.2 KiB
SQL
57 lines
1.2 KiB
SQL
/*
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Census Metropolitan Areas
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*/
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/* 2021
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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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SELECT DISTINCT
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pr.country_dguid,
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pr.country_en_name,
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pr.country_fr_name,
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pr.country_en_abbreviation,
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pr.country_fr_abbreviation,
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pr.grc_dguid,
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pr.grc_en_name,
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pr.grc_fr_name,
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pr.pr_dguid,
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pr.pr_en_name,
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pr.pr_fr_name,
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pr.pr_en_abbreviation,
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pr.pr_fr_abbreviation,
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pr.pr_iso_code,
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cma.dguid AS cma_dguid,
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cma.dguidp AS cma_p_dguid,
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cma.cmaname AS cma_name,
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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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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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pr.pr_dguid = dgr.pr_dguid
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AND
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concat(
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cma.dguid,
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cma.dguidp) = concat(
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dgr.cma_dguid,
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dgr.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
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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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fillfactor = 100
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);
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