mirror of
https://github.com/postgres/postgres.git
synced 2025-11-04 00:02:52 -05:00
cac7658205
This provides a mechanism for specifying conversions between SQL data types and procedural languages. As examples, there are transforms for hstore and ltree for PL/Perl and PL/Python. reviews by Pavel Stěhule and Andres Freund
13 lines
347 B
SQL
13 lines
347 B
SQL
-- make sure the prerequisite libraries are loaded
|
|
DO '1' LANGUAGE plpython2u;
|
|
SELECT NULL::ltree;
|
|
|
|
|
|
CREATE FUNCTION ltree_to_plpython2(val internal) RETURNS internal
|
|
LANGUAGE C STRICT IMMUTABLE
|
|
AS 'MODULE_PATHNAME', 'ltree_to_plpython';
|
|
|
|
CREATE TRANSFORM FOR ltree LANGUAGE plpython2u (
|
|
FROM SQL WITH FUNCTION ltree_to_plpython2(internal)
|
|
);
|