\pset null _null_ SET client_min_messages = warning; CREATE TABLE test (a serial, b uri); INSERT INTO test (b) VALUES ('http://www.postgresql.org/'), ('http://www.postgresql.org/docs/devel/static/xfunc-sql.html#XFUNC-SQL-FUNCTION-ARGUMENTS'), ('https://duckduckgo.com/?q=postgresql&ia=about'), ('ftp://ftp.gnu.org/gnu/bison'), ('mailto:foo@example.com'), ('ssh://username@review.openstack.org:29418/openstack/nova.git'), ('http://admin:password@192.168.0.1'), ('http://[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]:80/index.html'), ('http://[1080::8:800:200C:417A]/foo'), ('http://host:'), (''), ('/'), ('foobar'), ('/foobar'); -- normalization test values from INSERT INTO test (b) VALUES ('HTTP://www.EXAMPLE.com/'), ('http://www.ex%41mple.com/'), ('eXAMPLE://a/./b/../b/%63/%7bfoo%7d'); SELECT * FROM test; a | b ----+----------------------------------------------------------------------------------------- 1 | http://www.postgresql.org/ 2 | http://www.postgresql.org/docs/devel/static/xfunc-sql.html#XFUNC-SQL-FUNCTION-ARGUMENTS 3 | https://duckduckgo.com/?q=postgresql&ia=about 4 | ftp://ftp.gnu.org/gnu/bison 5 | mailto:foo@example.com 6 | ssh://username@review.openstack.org:29418/openstack/nova.git 7 | http://admin:password@192.168.0.1 8 | http://[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]:80/index.html 9 | http://[1080::8:800:200C:417A]/foo 10 | http://host: 11 | 12 | / 13 | foobar 14 | /foobar 15 | HTTP://www.EXAMPLE.com/ 16 | http://www.ex%41mple.com/ 17 | eXAMPLE://a/./b/../b/%63/%7bfoo%7d (17 rows) -- error cases SELECT uri 'http://host:port/'; ERROR: invalid input syntax for type uri at or near "/" LINE 1: SELECT uri 'http://host:port/'; ^ \x on SELECT b AS uri, uri_normalize(b), uri_scheme(b), uri_userinfo(b), uri_host(b), uri_host_inet(b), uri_port(b), uri_path(b), uri_path_array(b), uri_query(b), uri_fragment(b) FROM test; -[ RECORD 1 ]--+---------------------------------------------------------------------------------------- uri | http://www.postgresql.org/ uri_normalize | http://www.postgresql.org/ uri_scheme | http uri_userinfo | _null_ uri_host | www.postgresql.org uri_host_inet | _null_ uri_port | _null_ uri_path | / uri_path_array | {""} uri_query | _null_ uri_fragment | _null_ -[ RECORD 2 ]--+---------------------------------------------------------------------------------------- uri | http://www.postgresql.org/docs/devel/static/xfunc-sql.html#XFUNC-SQL-FUNCTION-ARGUMENTS uri_normalize | http://www.postgresql.org/docs/devel/static/xfunc-sql.html#XFUNC-SQL-FUNCTION-ARGUMENTS uri_scheme | http uri_userinfo | _null_ uri_host | www.postgresql.org uri_host_inet | _null_ uri_port | _null_ uri_path | /docs/devel/static/xfunc-sql.html uri_path_array | {docs,devel,static,xfunc-sql.html} uri_query | _null_ uri_fragment | XFUNC-SQL-FUNCTION-ARGUMENTS -[ RECORD 3 ]--+---------------------------------------------------------------------------------------- uri | https://duckduckgo.com/?q=postgresql&ia=about uri_normalize | https://duckduckgo.com/?q=postgresql&ia=about uri_scheme | https uri_userinfo | _null_ uri_host | duckduckgo.com uri_host_inet | _null_ uri_port | _null_ uri_path | / uri_path_array | {""} uri_query | q=postgresql&ia=about uri_fragment | _null_ -[ RECORD 4 ]--+---------------------------------------------------------------------------------------- uri | ftp://ftp.gnu.org/gnu/bison uri_normalize | ftp://ftp.gnu.org/gnu/bison uri_scheme | ftp uri_userinfo | _null_ uri_host | ftp.gnu.org uri_host_inet | _null_ uri_port | _null_ uri_path | /gnu/bison uri_path_array | {gnu,bison} uri_query | _null_ uri_fragment | _null_ -[ RECORD 5 ]--+---------------------------------------------------------------------------------------- uri | mailto:foo@example.com uri_normalize | mailto:foo@example.com uri_scheme | mailto uri_userinfo | _null_ uri_host | _null_ uri_host_inet | _null_ uri_port | _null_ uri_path | foo@example.com uri_path_array | {foo@example.com} uri_query | _null_ uri_fragment | _null_ -[ RECORD 6 ]--+---------------------------------------------------------------------------------------- uri | ssh://username@review.openstack.org:29418/openstack/nova.git uri_normalize | ssh://username@review.openstack.org:29418/openstack/nova.git uri_scheme | ssh uri_userinfo | username uri_host | review.openstack.org uri_host_inet | _null_ uri_port | 29418 uri_path | /openstack/nova.git uri_path_array | {openstack,nova.git} uri_query | _null_ uri_fragment | _null_ -[ RECORD 7 ]--+---------------------------------------------------------------------------------------- uri | http://admin:password@192.168.0.1 uri_normalize | http://admin:password@192.168.0.1 uri_scheme | http uri_userinfo | admin:password uri_host | 192.168.0.1 uri_host_inet | 192.168.0.1 uri_port | _null_ uri_path | uri_path_array | {} uri_query | _null_ uri_fragment | _null_ -[ RECORD 8 ]--+---------------------------------------------------------------------------------------- uri | http://[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]:80/index.html uri_normalize | http://[fedc:ba98:7654:3210:fedc:ba98:7654:3210]:80/index.html uri_scheme | http uri_userinfo | _null_ uri_host | FEDC:BA98:7654:3210:FEDC:BA98:7654:3210 uri_host_inet | fedc:ba98:7654:3210:fedc:ba98:7654:3210 uri_port | 80 uri_path | /index.html uri_path_array | {index.html} uri_query | _null_ uri_fragment | _null_ -[ RECORD 9 ]--+---------------------------------------------------------------------------------------- uri | http://[1080::8:800:200C:417A]/foo uri_normalize | http://[1080:0000:0000:0000:0008:0800:200c:417a]/foo uri_scheme | http uri_userinfo | _null_ uri_host | 1080::8:800:200C:417A uri_host_inet | 1080::8:800:200c:417a uri_port | _null_ uri_path | /foo uri_path_array | {foo} uri_query | _null_ uri_fragment | _null_ -[ RECORD 10 ]-+---------------------------------------------------------------------------------------- uri | http://host: uri_normalize | http://host: uri_scheme | http uri_userinfo | _null_ uri_host | host uri_host_inet | _null_ uri_port | _null_ uri_path | uri_path_array | {} uri_query | _null_ uri_fragment | _null_ -[ RECORD 11 ]-+---------------------------------------------------------------------------------------- uri | uri_normalize | uri_scheme | _null_ uri_userinfo | _null_ uri_host | _null_ uri_host_inet | _null_ uri_port | _null_ uri_path | uri_path_array | {} uri_query | _null_ uri_fragment | _null_ -[ RECORD 12 ]-+---------------------------------------------------------------------------------------- uri | / uri_normalize | / uri_scheme | _null_ uri_userinfo | _null_ uri_host | _null_ uri_host_inet | _null_ uri_port | _null_ uri_path | / uri_path_array | {} uri_query | _null_ uri_fragment | _null_ -[ RECORD 13 ]-+---------------------------------------------------------------------------------------- uri | foobar uri_normalize | foobar uri_scheme | _null_ uri_userinfo | _null_ uri_host | _null_ uri_host_inet | _null_ uri_port | _null_ uri_path | foobar uri_path_array | {foobar} uri_query | _null_ uri_fragment | _null_ -[ RECORD 14 ]-+---------------------------------------------------------------------------------------- uri | /foobar uri_normalize | /foobar uri_scheme | _null_ uri_userinfo | _null_ uri_host | _null_ uri_host_inet | _null_ uri_port | _null_ uri_path | /foobar uri_path_array | {foobar} uri_query | _null_ uri_fragment | _null_ -[ RECORD 15 ]-+---------------------------------------------------------------------------------------- uri | HTTP://www.EXAMPLE.com/ uri_normalize | http://www.example.com/ uri_scheme | HTTP uri_userinfo | _null_ uri_host | www.EXAMPLE.com uri_host_inet | _null_ uri_port | _null_ uri_path | / uri_path_array | {""} uri_query | _null_ uri_fragment | _null_ -[ RECORD 16 ]-+---------------------------------------------------------------------------------------- uri | http://www.ex%41mple.com/ uri_normalize | http://www.example.com/ uri_scheme | http uri_userinfo | _null_ uri_host | www.ex%41mple.com uri_host_inet | _null_ uri_port | _null_ uri_path | / uri_path_array | {""} uri_query | _null_ uri_fragment | _null_ -[ RECORD 17 ]-+---------------------------------------------------------------------------------------- uri | eXAMPLE://a/./b/../b/%63/%7bfoo%7d uri_normalize | example://a/b/c/%7Bfoo%7D uri_scheme | eXAMPLE uri_userinfo | _null_ uri_host | a uri_host_inet | _null_ uri_port | _null_ uri_path | /./b/../b/%63/%7bfoo%7d uri_path_array | {.,b,..,b,%63,%7bfoo%7d} uri_query | _null_ uri_fragment | _null_ \x off SELECT DISTINCT b FROM test ORDER BY b; b ----------------------------------------------------------------------------------------- / /foobar HTTP://www.EXAMPLE.com/ eXAMPLE://a/./b/../b/%63/%7bfoo%7d foobar ftp://ftp.gnu.org/gnu/bison http://[1080::8:800:200C:417A]/foo http://[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]:80/index.html http://admin:password@192.168.0.1 http://host: http://www.ex%41mple.com/ http://www.postgresql.org/ http://www.postgresql.org/docs/devel/static/xfunc-sql.html#XFUNC-SQL-FUNCTION-ARGUMENTS https://duckduckgo.com/?q=postgresql&ia=about mailto:foo@example.com ssh://username@review.openstack.org:29418/openstack/nova.git (17 rows)