mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-08-20 19:33:25 +02:00
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 plpython3u;
|
|
SELECT NULL::ltree;
|
|
|
|
|
|
CREATE FUNCTION ltree_to_plpython3(val internal) RETURNS internal
|
|
LANGUAGE C STRICT IMMUTABLE
|
|
AS 'MODULE_PATHNAME', 'ltree_to_plpython';
|
|
|
|
CREATE TRANSFORM FOR ltree LANGUAGE plpython3u (
|
|
FROM SQL WITH FUNCTION ltree_to_plpython3(internal)
|
|
);
|