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Remove hstore % text[] operator; use slice() function instead.
David Wheeler, with one small correction by me.
This commit is contained in:
Robert Haas
parent
bb0fe9feb9
commit
ce51747673
@ -4,7 +4,7 @@
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--
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SET client_min_messages = warning;
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\set ECHO none
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psql:hstore.sql:234: WARNING: => is deprecated as an operator name
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psql:hstore.sql:228: WARNING: => is deprecated as an operator name
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DETAIL: This name may be disallowed altogether in future versions of PostgreSQL.
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RESET client_min_messages;
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set escape_string_warning=off;
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@ -759,39 +759,39 @@ select pg_column_size('a=>g, b=>c'::hstore || ('b'=>'gf'))
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t
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(1 row)
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-- %
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select hstore 'aa=>1, b=>2, c=>3' % ARRAY['g','h','i'];
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?column?
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----------
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-- slice()
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select slice(hstore 'aa=>1, b=>2, c=>3', ARRAY['g','h','i']);
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slice
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-------
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(1 row)
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select hstore 'aa=>1, b=>2, c=>3' % ARRAY['c','b'];
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?column?
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select slice(hstore 'aa=>1, b=>2, c=>3', ARRAY['c','b']);
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slice
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--------------------
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"b"=>"2", "c"=>"3"
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(1 row)
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select hstore 'aa=>1, b=>2, c=>3' % ARRAY['aa','b'];
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?column?
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select slice(hstore 'aa=>1, b=>2, c=>3', ARRAY['aa','b']);
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slice
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---------------------
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"b"=>"2", "aa"=>"1"
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(1 row)
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select hstore 'aa=>1, b=>2, c=>3' % ARRAY['c','b','aa'];
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?column?
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select slice(hstore 'aa=>1, b=>2, c=>3', ARRAY['c','b','aa']);
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slice
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-------------------------------
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"b"=>"2", "c"=>"3", "aa"=>"1"
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(1 row)
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select pg_column_size(hstore 'aa=>1, b=>2, c=>3' % ARRAY['c','b'])
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select pg_column_size(slice(hstore 'aa=>1, b=>2, c=>3', ARRAY['c','b']))
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= pg_column_size('b=>2, c=>3'::hstore);
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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 pg_column_size(hstore 'aa=>1, b=>2, c=>3' % ARRAY['c','b','aa'])
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select pg_column_size(slice(hstore 'aa=>1, b=>2, c=>3', ARRAY['c','b','aa']))
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= pg_column_size('aa=>1, b=>2, c=>3'::hstore);
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?column?
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----------
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@ -1,4 +1,4 @@
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/* $PostgreSQL: pgsql/contrib/hstore/hstore.sql.in,v 1.14 2010/06/18 03:52:02 rhaas Exp $ */
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/* $PostgreSQL: pgsql/contrib/hstore/hstore.sql.in,v 1.15 2010/07/02 20:36:48 rhaas Exp $ */
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-- Adjust this setting to control where the objects get created.
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SET search_path = public;
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@ -61,17 +61,11 @@ CREATE OPERATOR -> (
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PROCEDURE = slice_array
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);
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CREATE OR REPLACE FUNCTION slice_hstore(hstore,text[])
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CREATE OR REPLACE FUNCTION slice(hstore,text[])
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RETURNS hstore
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AS 'MODULE_PATHNAME','hstore_slice_to_hstore'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR % (
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LEFTARG = hstore,
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RIGHTARG = text[],
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PROCEDURE = slice_hstore
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);
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CREATE OR REPLACE FUNCTION isexists(hstore,text)
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RETURNS bool
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AS 'MODULE_PATHNAME','hstore_exists'
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@ -171,14 +171,14 @@ select pg_column_size(('b'=>'gf'))
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select pg_column_size('a=>g, b=>c'::hstore || ('b'=>'gf'))
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= pg_column_size('a=>g, b=>gf'::hstore);
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-- %
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select hstore 'aa=>1, b=>2, c=>3' % ARRAY['g','h','i'];
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select hstore 'aa=>1, b=>2, c=>3' % ARRAY['c','b'];
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select hstore 'aa=>1, b=>2, c=>3' % ARRAY['aa','b'];
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select hstore 'aa=>1, b=>2, c=>3' % ARRAY['c','b','aa'];
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select pg_column_size(hstore 'aa=>1, b=>2, c=>3' % ARRAY['c','b'])
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-- slice()
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select slice(hstore 'aa=>1, b=>2, c=>3', ARRAY['g','h','i']);
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select slice(hstore 'aa=>1, b=>2, c=>3', ARRAY['c','b']);
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select slice(hstore 'aa=>1, b=>2, c=>3', ARRAY['aa','b']);
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select slice(hstore 'aa=>1, b=>2, c=>3', ARRAY['c','b','aa']);
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select pg_column_size(slice(hstore 'aa=>1, b=>2, c=>3', ARRAY['c','b']))
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= pg_column_size('b=>2, c=>3'::hstore);
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select pg_column_size(hstore 'aa=>1, b=>2, c=>3' % ARRAY['c','b','aa'])
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select pg_column_size(slice(hstore 'aa=>1, b=>2, c=>3', ARRAY['c','b','aa']))
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= pg_column_size('aa=>1, b=>2, c=>3'::hstore);
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-- array input
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@ -1,4 +1,4 @@
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/* $PostgreSQL: pgsql/contrib/hstore/uninstall_hstore.sql,v 1.10 2010/06/18 03:52:02 rhaas Exp $ */
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/* $PostgreSQL: pgsql/contrib/hstore/uninstall_hstore.sql,v 1.11 2010/07/02 20:36:48 rhaas Exp $ */
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-- Adjust this setting to control where the objects get dropped.
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SET search_path = public;
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@ -22,7 +22,6 @@ DROP OPERATOR <@ ( hstore, hstore );
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DROP OPERATOR @ ( hstore, hstore );
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DROP OPERATOR ~ ( hstore, hstore );
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DROP OPERATOR => ( text, text );
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DROP OPERATOR % ( hstore, text[] );
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DROP OPERATOR #= ( anyelement, hstore );
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DROP OPERATOR %% ( NONE, hstore );
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DROP OPERATOR %# ( NONE, hstore );
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@ -44,7 +43,7 @@ DROP FUNCTION hstore_le(hstore,hstore);
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DROP FUNCTION hstore_cmp(hstore,hstore);
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DROP FUNCTION hstore_hash(hstore);
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DROP FUNCTION slice_array(hstore,text[]);
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DROP FUNCTION slice_hstore(hstore,text[]);
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DROP FUNCTION slice(hstore,text[]);
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DROP FUNCTION fetchval(hstore,text);
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DROP FUNCTION isexists(hstore,text);
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DROP FUNCTION exist(hstore,text);
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@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/hstore.sgml,v 1.11 2010/06/22 11:36:16 rhaas Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/hstore.sgml,v 1.12 2010/07/02 20:36:49 rhaas Exp $ -->
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<sect1 id="hstore">
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<title>hstore</title>
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@ -120,13 +120,6 @@
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<entry><literal>"a"=>"b"</literal></entry>
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</row>
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<row>
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<entry><type>hstore</> <literal>%</> <type>text[]</></entry>
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<entry>extract a subset of an <type>hstore</></entry>
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<entry><literal>'a=>1,b=>2,c=>3'::hstore % ARRAY['b','c','x']</literal></entry>
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<entry><literal>"b"=>"2", "c"=>"3"</literal></entry>
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</row>
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<row>
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<entry><type>hstore</> <literal>||</> <type>hstore</></entry>
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<entry>concatenate <type>hstore</>s</entry>
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@ -338,6 +331,14 @@ b
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<entry><literal>{{a,1},{b,2}}</literal></entry>
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</row>
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<row>
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<entry><function>slice(hstore, text[])</function></entry>
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<entry><type>hstore</type></entry>
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<entry>extract a subset of an <type>hstore</></entry>
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<entry><literal>slice('a=>1,b=>2,c=>3'::hstore, ARRAY['b','c','x'])</literal></entry>
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<entry><literal>"b"=>"2", "c"=>"3"</literal></entry>
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</row>
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<row>
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<entry><function>each(hstore)</function></entry>
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<entry><type>setof(key text, value text)</type></entry>
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