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Deprecate the use of => as an operator name.

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In HEAD, emit a warning when an operator named => is defined.
In both HEAD and the backbranches (except in 8.2, where contrib
modules do not have documentation), document that hstore's text =>
text operator may be removed in a future release, and encourage the
use of the hstore(text, text) function instead.  This function only
exists in HEAD (previously, it was called tconvert), so backpatch
it back to 8.2, when hstore was added.  Per discussion.
This commit is contained in:
Robert Haas 2010-06-22 11:36:44 +00:00
parent 0a557605f2
commit b12ca1d561
2 changed files with 7 additions and 0 deletions
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6
contrib/hstore/hstore.sql.in
View File

@ -118,6 +118,12 @@ RETURNS hstore
AS 'MODULE_PATHNAME' AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict,iscachable); LANGUAGE 'C' with (isstrict,iscachable);
-- For forward compatibility with PostgreSQL >= 9.0
CREATE OR REPLACE FUNCTION hstore(text,text)
RETURNS hstore
AS 'MODULE_PATHNAME', 'tconvert'
LANGUAGE C IMMUTABLE; -- not STRICT
CREATE OPERATOR => ( CREATE OPERATOR => (
LEFTARG = text, LEFTARG = text,
RIGHTARG = text, RIGHTARG = text,

1
contrib/hstore/uninstall_hstore.sql
View File

@ -21,6 +21,7 @@ DROP FUNCTION hs_concat(hstore,hstore);
DROP FUNCTION hs_contains(hstore,hstore); DROP FUNCTION hs_contains(hstore,hstore);
DROP FUNCTION hs_contained(hstore,hstore); DROP FUNCTION hs_contained(hstore,hstore);
DROP FUNCTION tconvert(text,text); DROP FUNCTION tconvert(text,text);
DROP FUNCTION hstore(text,text);
DROP FUNCTION akeys(hstore); DROP FUNCTION akeys(hstore);
DROP FUNCTION avals(hstore); DROP FUNCTION avals(hstore);
DROP FUNCTION skeys(hstore); DROP FUNCTION skeys(hstore);