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3f16647960
'exist' and 'defined' accordingly. Old names are saved not mentioned in docs - for compatibility with old applications. Per discussion http://archives.postgresql.org/pgsql-hackers/2006-10/msg00571.php
609 lines
9.2 KiB
Plaintext
609 lines
9.2 KiB
Plaintext
--
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-- first, define the datatype. Turn off echoing so that expected file
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-- does not depend on contents of hstore.sql.
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--
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SET client_min_messages = warning;
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\set ECHO none
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RESET client_min_messages;
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set escape_string_warning=off;
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--hstore;
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select ''::hstore;
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hstore
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--------
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(1 row)
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select 'a=>b'::hstore;
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hstore
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----------
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"a"=>"b"
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(1 row)
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select ' a=>b'::hstore;
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hstore
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----------
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"a"=>"b"
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(1 row)
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select 'a =>b'::hstore;
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hstore
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----------
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"a"=>"b"
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(1 row)
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select 'a=>b '::hstore;
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hstore
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----------
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"a"=>"b"
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(1 row)
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select 'a=> b'::hstore;
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hstore
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----------
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"a"=>"b"
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(1 row)
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select '"a"=>"b"'::hstore;
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hstore
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----------
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"a"=>"b"
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(1 row)
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select ' "a"=>"b"'::hstore;
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hstore
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----------
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"a"=>"b"
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(1 row)
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select '"a" =>"b"'::hstore;
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hstore
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----------
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"a"=>"b"
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(1 row)
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select '"a"=>"b" '::hstore;
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hstore
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----------
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"a"=>"b"
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(1 row)
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select '"a"=> "b"'::hstore;
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hstore
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----------
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"a"=>"b"
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(1 row)
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select 'aa=>bb'::hstore;
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hstore
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------------
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"aa"=>"bb"
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(1 row)
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select ' aa=>bb'::hstore;
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hstore
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------------
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"aa"=>"bb"
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(1 row)
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select 'aa =>bb'::hstore;
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hstore
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------------
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"aa"=>"bb"
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(1 row)
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select 'aa=>bb '::hstore;
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hstore
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------------
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"aa"=>"bb"
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(1 row)
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select 'aa=> bb'::hstore;
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hstore
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------------
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"aa"=>"bb"
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(1 row)
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select '"aa"=>"bb"'::hstore;
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hstore
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------------
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"aa"=>"bb"
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(1 row)
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select ' "aa"=>"bb"'::hstore;
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hstore
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------------
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"aa"=>"bb"
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(1 row)
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select '"aa" =>"bb"'::hstore;
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hstore
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------------
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"aa"=>"bb"
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(1 row)
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select '"aa"=>"bb" '::hstore;
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hstore
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------------
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"aa"=>"bb"
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(1 row)
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select '"aa"=> "bb"'::hstore;
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hstore
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------------
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"aa"=>"bb"
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(1 row)
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select 'aa=>bb, cc=>dd'::hstore;
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hstore
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------------------------
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"aa"=>"bb", "cc"=>"dd"
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(1 row)
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select 'aa=>bb , cc=>dd'::hstore;
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hstore
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------------------------
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"aa"=>"bb", "cc"=>"dd"
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(1 row)
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select 'aa=>bb ,cc=>dd'::hstore;
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hstore
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------------------------
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"aa"=>"bb", "cc"=>"dd"
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(1 row)
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select 'aa=>bb, "cc"=>dd'::hstore;
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hstore
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------------------------
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"aa"=>"bb", "cc"=>"dd"
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(1 row)
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select 'aa=>bb , "cc"=>dd'::hstore;
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hstore
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------------------------
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"aa"=>"bb", "cc"=>"dd"
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(1 row)
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select 'aa=>bb ,"cc"=>dd'::hstore;
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hstore
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------------------------
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"aa"=>"bb", "cc"=>"dd"
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(1 row)
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select 'aa=>"bb", cc=>dd'::hstore;
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hstore
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------------------------
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"aa"=>"bb", "cc"=>"dd"
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(1 row)
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select 'aa=>"bb" , cc=>dd'::hstore;
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hstore
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------------------------
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"aa"=>"bb", "cc"=>"dd"
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(1 row)
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select 'aa=>"bb" ,cc=>dd'::hstore;
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hstore
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------------------------
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"aa"=>"bb", "cc"=>"dd"
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(1 row)
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select 'aa=>null'::hstore;
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hstore
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------------
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"aa"=>NULL
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(1 row)
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select 'aa=>NuLl'::hstore;
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hstore
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------------
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"aa"=>NULL
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(1 row)
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select 'aa=>"NuLl"'::hstore;
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hstore
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--------------
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"aa"=>"NuLl"
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(1 row)
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select '\\=a=>q=w'::hstore;
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hstore
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-------------
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"=a"=>"q=w"
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(1 row)
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select '"=a"=>q\\=w'::hstore;
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hstore
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-------------
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"=a"=>"q=w"
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(1 row)
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select '"\\"a"=>q>w'::hstore;
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hstore
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--------------
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"\"a"=>"q>w"
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(1 row)
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select '\\"a=>q"w'::hstore;
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hstore
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---------------
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"\"a"=>"q\"w"
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(1 row)
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select ''::hstore;
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hstore
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--------
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(1 row)
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select ' '::hstore;
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hstore
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--------
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(1 row)
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-- -> operator
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select 'aa=>b, c=>d , b=>16'::hstore->'c';
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?column?
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----------
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d
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(1 row)
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select 'aa=>b, c=>d , b=>16'::hstore->'b';
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?column?
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----------
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16
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(1 row)
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select 'aa=>b, c=>d , b=>16'::hstore->'aa';
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?column?
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----------
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b
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(1 row)
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select ('aa=>b, c=>d , b=>16'::hstore->'gg') is null;
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?column?
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----------
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t
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(1 row)
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select ('aa=>NULL, c=>d , b=>16'::hstore->'aa') is null;
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?column?
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----------
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t
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(1 row)
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-- exists/defined
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select exist('a=>NULL, b=>qq', 'a');
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exist
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-------
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t
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(1 row)
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select exist('a=>NULL, b=>qq', 'b');
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exist
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-------
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t
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(1 row)
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select exist('a=>NULL, b=>qq', 'c');
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exist
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-------
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f
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(1 row)
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select defined('a=>NULL, b=>qq', 'a');
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defined
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---------
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f
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(1 row)
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select defined('a=>NULL, b=>qq', 'b');
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defined
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---------
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t
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(1 row)
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select defined('a=>NULL, b=>qq', 'c');
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defined
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---------
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f
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(1 row)
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-- delete
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select delete('a=>1 , b=>2, c=>3'::hstore, 'a');
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delete
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--------------------
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"b"=>"2", "c"=>"3"
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(1 row)
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select delete('a=>null , b=>2, c=>3'::hstore, 'a');
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delete
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--------------------
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"b"=>"2", "c"=>"3"
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(1 row)
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select delete('a=>1 , b=>2, c=>3'::hstore, 'b');
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delete
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--------------------
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"a"=>"1", "c"=>"3"
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(1 row)
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select delete('a=>1 , b=>2, c=>3'::hstore, 'c');
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delete
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--------------------
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"a"=>"1", "b"=>"2"
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(1 row)
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select delete('a=>1 , b=>2, c=>3'::hstore, 'd');
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delete
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------------------------------
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"a"=>"1", "b"=>"2", "c"=>"3"
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(1 row)
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-- ||
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select 'aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>f';
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?column?
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-------------------------------------------
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"b"=>"g", "aa"=>"1", "cq"=>"l", "fg"=>"f"
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(1 row)
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select 'aa=>1 , b=>2, cq=>3'::hstore || 'aq=>l';
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?column?
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-------------------------------------------
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"b"=>"2", "aa"=>"1", "aq"=>"l", "cq"=>"3"
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(1 row)
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select 'aa=>1 , b=>2, cq=>3'::hstore || 'aa=>l';
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?column?
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--------------------------------
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"b"=>"2", "aa"=>"l", "cq"=>"3"
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(1 row)
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select 'aa=>1 , b=>2, cq=>3'::hstore || '';
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?column?
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--------------------------------
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"b"=>"2", "aa"=>"1", "cq"=>"3"
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(1 row)
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select ''::hstore || 'cq=>l, b=>g, fg=>f';
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?column?
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--------------------------------
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"b"=>"g", "cq"=>"l", "fg"=>"f"
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(1 row)
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-- =>
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select 'a=>g, b=>c'::hstore || ( 'asd'=>'gf' );
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?column?
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---------------------------------
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"a"=>"g", "b"=>"c", "asd"=>"gf"
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(1 row)
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select 'a=>g, b=>c'::hstore || ( 'b'=>'gf' );
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?column?
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---------------------
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"a"=>"g", "b"=>"gf"
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(1 row)
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-- keys/values
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select akeys('aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>f');
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akeys
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--------------
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{b,aa,cq,fg}
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(1 row)
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select akeys('""=>1');
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akeys
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-------
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{""}
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(1 row)
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select akeys('');
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akeys
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-------
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{}
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(1 row)
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select avals('aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>f');
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avals
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-----------
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{g,1,l,f}
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(1 row)
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select avals('aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>NULL');
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avals
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------------
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{g,1,l,""}
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(1 row)
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select avals('""=>1');
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avals
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-------
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{1}
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(1 row)
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select avals('');
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avals
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-------
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{}
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(1 row)
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select * from skeys('aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>f');
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skeys
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-------
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b
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aa
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cq
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fg
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(4 rows)
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select * from skeys('""=>1');
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skeys
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-------
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(1 row)
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select * from skeys('');
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skeys
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-------
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(0 rows)
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select * from svals('aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>f');
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svals
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-------
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g
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1
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l
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f
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(4 rows)
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select *, svals is null from svals('aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>NULL');
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svals | ?column?
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-------+----------
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g | f
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1 | f
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l | f
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(4 rows)
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select * from svals('""=>1');
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svals
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-------
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1
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(1 row)
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select * from svals('');
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svals
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-------
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(0 rows)
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select * from each('aaa=>bq, b=>NULL, ""=>1 ');
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key | value
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-----+-------
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| 1
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b |
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aaa | bq
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(3 rows)
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-- @>
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select 'a=>b, b=>1, c=>NULL'::hstore @> 'a=>NULL';
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?column?
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----------
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t
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(1 row)
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select 'a=>b, b=>1, c=>NULL'::hstore @> 'a=>NULL, c=>NULL';
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?column?
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----------
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t
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(1 row)
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select 'a=>b, b=>1, c=>NULL'::hstore @> 'a=>NULL, g=>NULL';
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?column?
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----------
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f
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(1 row)
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select 'a=>b, b=>1, c=>NULL'::hstore @> 'g=>NULL';
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?column?
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----------
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f
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(1 row)
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select 'a=>b, b=>1, c=>NULL'::hstore @> 'a=>c';
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?column?
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----------
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f
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(1 row)
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select 'a=>b, b=>1, c=>NULL'::hstore @> 'a=>b';
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?column?
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----------
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t
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(1 row)
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select 'a=>b, b=>1, c=>NULL'::hstore @> 'a=>b, c=>NULL';
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?column?
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----------
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t
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(1 row)
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select 'a=>b, b=>1, c=>NULL'::hstore @> 'a=>b, c=>q';
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?column?
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----------
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f
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(1 row)
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CREATE TABLE testhstore (h hstore);
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\copy testhstore from 'data/hstore.data'
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select count(*) from testhstore where h @> 'wait=>NULL';
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count
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-------
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189
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(1 row)
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select count(*) from testhstore where h @> 'wait=>CC';
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count
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-------
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15
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(1 row)
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select count(*) from testhstore where h @> 'wait=>CC, public=>t';
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count
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-------
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2
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(1 row)
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create index hidx on testhstore using gist(h);
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set enable_seqscan=off;
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select count(*) from testhstore where h @> 'wait=>NULL';
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count
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-------
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189
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(1 row)
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select count(*) from testhstore where h @> 'wait=>CC';
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count
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-------
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15
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(1 row)
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select count(*) from testhstore where h @> 'wait=>CC, public=>t';
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count
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-------
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2
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(1 row)
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select count(*) from (select (each(h)).key from testhstore) as wow ;
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count
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-------
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4779
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(1 row)
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select key, count(*) from (select (each(h)).key from testhstore) as wow group by key order by count desc, key;
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key | count
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-----------+-------
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line | 883
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query | 207
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pos | 203
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node | 202
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space | 197
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status | 195
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public | 194
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title | 190
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org | 189
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user | 189
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wait | 189
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coauthors | 188
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disabled | 185
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indexed | 184
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cleaned | 180
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bad | 179
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date | 179
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world | 176
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state | 172
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subtitle | 169
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auth | 168
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abstract | 161
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(22 rows)
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