我们可以直接从zip，tar，gzip 文件获取内容
command file 参考格式
LOAD ARCHIVE
FROM /Users/dim/Downloads/GeoLiteCity-latest.zip
INTO postgresql:///ip4r
BEFORE LOAD
DO $$ create extension if not exists ip4r; $$,
$$ create schema if not exists geolite; $$,
EXECUTE 'geolite.sql'
LOAD CSV
FROM FILENAME MATCHING ~/GeoLiteCity-Location.csv/
WITH ENCODING iso-8859-1
(
locId,
country,
region null if blanks,
city null if blanks,
postalCode null if blanks,
latitude,
longitude,
metroCode null if blanks,
areaCode null if blanks
)
INTO postgresql:///ip4r?geolite.location
(
locid,country,region,city,postalCode,
location point using (format nil "(~a,~a)" longitude latitude),
metroCode,areaCode
)
WITH skip header = 2,
fields optionally enclosed by '"',
fields escaped by double-quote,
fields terminated by ','
AND LOAD CSV
FROM FILENAME MATCHING ~/GeoLiteCity-Blocks.csv/
WITH ENCODING iso-8859-1
(
startIpNum, endIpNum, locId
)
INTO postgresql:///ip4r?geolite.blocks
(
iprange ip4r using (ip-range startIpNum endIpNum),
locId
)
WITH skip header = 2,
fields optionally enclosed by '"',
fields escaped by double-quote,
fields terminated by ','
FINALLY DO
$$ create index blocks_ip4r_idx on geolite.blocks using gist(iprange); $$;
source 指南: from
文件名或者一个http 的url，如果是一个url，在处理之前会先下载到本地
sub command
- command [AND command ...]
目前仅支持CSV，“FIXED”和DBF命令
Final SQL Commands
- FINALLY DO
数据加载完成之后执行的sql 命令，比如create index