mirror of
https://github.com/dataforcanada/d4c-datapkg-statistical.git
synced 2026-06-13 22:20:56 +02:00
Diego Ripley
138 lines
2.9 KiB
SQL
138 lines
2.9 KiB
SQL
/*
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Dissemination Blocks
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*/
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/* 2021
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Definition here: https://web.archive.org/web/20250212081621/https://www12.statcan.gc.ca/census-recensement/2021/ref/dict/az/definition-eng.cfm?ID=geo014
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*/
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-- Digital boundary;
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DROP TABLE IF EXISTS silver.db_2021_digital;
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CREATE TABLE silver.db_2021_digital AS
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SELECT DISTINCT
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csd.country_dguid,
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csd.country_en_name,
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csd.country_fr_name,
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csd.country_en_abbreviation,
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csd.country_fr_abbreviation,
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csd.grc_dguid,
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csd.grc_en_name,
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csd.grc_fr_name,
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csd.pr_dguid,
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csd.pr_en_name,
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csd.pr_fr_name,
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csd.pr_en_abbreviation,
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csd.pr_fr_abbreviation,
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csd.pr_iso_code,
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csd.car_dguid,
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csd.car_en_name,
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csd.car_fr_name,
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csd.er_dguid,
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csd.er_name,
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csd.cd_dguid,
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csd.cd_name,
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csd.cd_type,
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csd.ccs_dguid,
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csd.ccs_name,
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csd.cma_dguid,
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csd.cma_p_dguid,
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csd.cma_name,
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csd.cma_type,
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csd.csd_dguid,
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csd.csd_name,
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csd.csd_type,
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csd.sac_type,
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csd.sac_code,
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dgr.fed_dguid,
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fed.fed_name,
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fed.fed_en_name,
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fed.fed_fr_name,
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dgr.ct_dguid,
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dgr.ada_dguid,
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dgr.da_dguid,
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dgr.db_dguid,
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db.geom
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FROM silver.dissemination_geographies_relationship_2021 AS dgr
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LEFT JOIN silver.csd_2021_digital AS csd
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ON dgr.csd_dguid = csd.csd_dguid
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LEFT JOIN silver.fed_2021_2013_digital AS fed
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ON dgr.fed_dguid = fed.fed_dguid
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LEFT JOIN bronze.ldb_000a21a_e AS db
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ON dgr.db_dguid = db.dguid;
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-- Make geometries valid
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UPDATE
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silver.db_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 db_2021_digital_geom_idx ON silver.db_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.db_2021_cartographic;
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CREATE TABLE silver.db_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.car_dguid,
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b.car_en_name,
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b.car_fr_name,
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b.er_dguid,
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b.er_name,
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b.cd_dguid,
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b.cd_name,
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b.cd_type,
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b.ccs_dguid,
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b.ccs_name,
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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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b.csd_dguid,
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b.csd_name,
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b.csd_type,
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b.sac_type,
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b.sac_code,
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b.fed_dguid,
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b.fed_name,
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b.fed_en_name,
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b.fed_fr_name,
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b.ct_dguid,
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b.ada_dguid,
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b.da_dguid,
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b.db_dguid,
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a.geom
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FROM
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bronze.ldb_000b21a_e AS a,
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silver.db_2021_digital AS b
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WHERE b.db_dguid = a.dguid;
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-- Make geometries valid
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UPDATE
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silver.db_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 db_2021_cartographic_geom_idx ON silver.db_2021_cartographic USING gist (geom) WITH (
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fillfactor = 100
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); |