Google bigquery 如何使用BigQuery查找相邻zipcodes
我有一个zipcode,比如说“94304”。我如何才能找到与其相近的邮政编码?更新:现在使用官方公共数据集:Google bigquery 如何使用BigQuery查找相邻zipcodes,google-bigquery,gis,Google Bigquery,Gis,我有一个zipcode,比如说“94304”。我如何才能找到与其相近的邮政编码?更新:现在使用官方公共数据集: SELECT * FROM ( SELECT b.zip_code neighbor, b.city, b.county, ST_DISTANCE(a.zcta_geom, b.zcta_geom) distance FROM `bigquery-public-data.geo_us_boundaries.us_zip_codes` a, `bigquery-pu
SELECT *
FROM (
SELECT b.zip_code neighbor, b.city, b.county, ST_DISTANCE(a.zcta_geom, b.zcta_geom) distance
FROM `bigquery-public-data.geo_us_boundaries.us_zip_codes` a,
`bigquery-public-data.geo_us_boundaries.us_zip_codes` b
WHERE a.zip_code != b.zip_code
AND a.zip_code = '94304'
)
WHERE distance < 2000 # 2 KM
ORDER BY distance
-- 5.4s elapsed, 130 MB processed
基于:
SELECT *
FROM (
SELECT b.zipcode neighbor, b.city, b.county, ST_DISTANCE(a.geog, b.geog) distance
FROM `fh-bigquery.gis.zipcodes` a,
`fh-bigquery.gis.zipcodes` b
WHERE a.zipcode != b.zipcode
AND a.zipcode = '94304'
)
WHERE distance < 2000 # 2 KM
ORDER BY distance
-- Query complete (4.2s elapsed, 130 MB processed)
CREATE TABLE `gis.zipcodes`
AS
SELECT *, ST_GEOGFROMTEXT(zipcode_geom) AS geog
FROM `bigquery-public-data.utility_us.zipcode_area`