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Transforms for jsonb to PL/Perl

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Add a new contrib module jsonb_plperl that provides a transform between
jsonb and PL/Perl.  jsonb values are converted to appropriate Perl types
such as arrays and hashes, and vice versa.

Author: Anthony Bykov <a.bykov@postgrespro.ru>
Reviewed-by: Pavel Stehule <pavel.stehule@gmail.com>
Reviewed-by: Aleksander Alekseev <a.alekseev@postgrespro.ru>
Reviewed-by: Nikita Glukhov <n.gluhov@postgrespro.ru>
This commit is contained in:
Peter Eisentraut
2018-04-03 09:47:18 -04:00
parent a08dc71195
commit 341e166180
13 changed files with 963 additions and 4 deletions
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19
contrib/jsonb_plperl/jsonb_plperlu--1.0.sql Normal file
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/* contrib/json_plperl/jsonb_plperl--1.0.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION jsonb_plperlu" to load this file. \quit
CREATE FUNCTION jsonb_to_plperl(val internal) RETURNS internal
LANGUAGE C STRICT IMMUTABLE
AS 'MODULE_PATHNAME';
CREATE FUNCTION plperl_to_jsonb(val internal) RETURNS jsonb
LANGUAGE C STRICT IMMUTABLE
AS 'MODULE_PATHNAME';
CREATE TRANSFORM FOR jsonb LANGUAGE plperlu (
FROM SQL WITH FUNCTION jsonb_to_plperl(internal),
TO SQL WITH FUNCTION plperl_to_jsonb(internal)
);
COMMENT ON TRANSFORM FOR jsonb LANGUAGE plperlu IS 'transform between jsonb and Perl';