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This commit is contained in:
Stuart Lynn 2016-04-25 13:24:39 -04:00
parent ace34f6ad8
commit 21d306898b
1 changed files with 21 additions and 66 deletions
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85
src/pg/sql/41_observatory_augmentation.sql
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@ -117,6 +117,7 @@ AS $$
'income_200000_or_more',
'land_area'];
RETURN QUERY
EXECUTE
'select * from cdb_observatory._OBS_GetCensus($1, $2 )'
USING geom, target_cols
RETURN;
@ -653,71 +654,21 @@ BEGIN
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION OBS_GetSegmentSnapshot(geom geometry, geometry_level text default '"us.census.tiger".census_tract')
RETURNS json
AS $$
BEGIN
RETURN row_to_json(cdb_observatory._OBS_GetSegmentSnapshot(geom, geometry_level));
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION _OBS_GetSegmentSnapshot(
CREATE OR REPLACE FUNCTION cdb_observatory.OBS_GetSegmentSnapshot(
geom geometry,
geometry_level text DEFAULT '"us.census.tiger".census_tract'
)
RETURNS TABLE(
segment_name TEXT,
total_pop_quantile NUMERIC,
male_pop_quantile NUMERIC,
female_pop_quantile NUMERIC,
median_age_quantile NUMERIC,
white_pop_quantile NUMERIC,
black_pop_quantile NUMERIC,
asian_pop_quantile NUMERIC,
hispanic_pop_quantile NUMERIC,
not_us_citizen_pop_quantile NUMERIC,
workers_16_and_over_quantile NUMERIC,
commuters_by_car_truck_van_quantile NUMERIC,
commuters_by_public_transportation_quantile NUMERIC,
commuters_by_bus_quantile NUMERIC,
commuters_by_subway_or_elevated_quantile NUMERIC,
walked_to_work_quantile NUMERIC,
worked_at_home_quantile NUMERIC,
children_quantile NUMERIC,
households_quantile NUMERIC,
population_3_years_over_quantile NUMERIC,
in_school_quantile NUMERIC,
in_grades_1_to_4_quantile NUMERIC,
in_grades_5_to_8_quantile NUMERIC,
in_grades_9_to_12_quantile NUMERIC,
in_undergrad_college_quantile NUMERIC,
pop_25_years_over_quantile NUMERIC,
high_school_diploma_quantile NUMERIC,
bachelors_degree_quantile NUMERIC,
masters_degree_quantile NUMERIC,
pop_5_years_over_quantile NUMERIC,
speak_only_english_at_home_quantile NUMERIC,
speak_spanish_at_home_quantile NUMERIC,
pop_determined_poverty_status_quantile NUMERIC,
poverty_quantile NUMERIC,
median_income_quantile NUMERIC,
gini_index_quantile NUMERIC,
income_per_capita_quantile NUMERIC,
housing_units_quantile NUMERIC,
vacant_housing_units_quantile NUMERIC,
vacant_housing_units_for_rent_quantile NUMERIC,
vacant_housing_units_for_sale_quantile NUMERIC,
median_rent_quantile NUMERIC,
percent_income_spent_on_rent_quantile NUMERIC,
owner_occupied_housing_units_quantile NUMERIC,
million_dollar_housing_units_quantile NUMERIC
)
RETURNS JSON
AS $$
DECLARE
target_cols text[];
seg_name Text;
geom_id Text;
q Text;
result json;
seg_name Text;
geom_id Text;
q Text;
segment_name Text;
BEGIN
target_cols := Array[
'"us.census.acs".B01001001_quantile',
@ -768,7 +719,7 @@ target_cols := Array[
EXECUTE
$query$
SELECT (categories)[1]
SELECT (_OBS_GetCategories)->>'name'
FROM cdb_observatory._OBS_GetCategories(
$1,
Array['"us.census.spielman_singleton_segments".X10'],
@ -782,8 +733,8 @@ target_cols := Array[
format($query$
WITH a As (
SELECT
names As names,
vals As vals
array_agg(_OBS_GET->>'name') As names,
array_agg(_OBS_GET->>'value') As vals
FROM cdb_observatory._OBS_Get($1,
$2,
'2009 - 2013',
@ -792,15 +743,19 @@ target_cols := Array[
), percentiles As (
%s
FROM a)
SELECT $4, percentiles.*
FROM percentiles
$query$, cdb_observatory._OBS_BuildSnapshotQuery(target_cols));
SELECT row_to_json(r) FROM
( SELECT $4 as segment_name, percentiles.*
FROM percentiles) r
$query$, cdb_observatory._OBS_BuildSnapshotQuery(target_cols)) results;
RETURN QUERY
EXECUTE
q
into result
USING geom, target_cols, geometry_level, segment_name;
return result;
END;
$$ LANGUAGE plpgsql;