tps/database/interface/map_values/map_rv_set.sql

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2023-03-24 21:43:28 -04:00
DROP FUNCTION IF EXISTS tps.map_rv_set;
CREATE OR REPLACE FUNCTION tps.map_rv_set(_defn jsonb) RETURNS jsonb
AS
$f$
DECLARE
_message jsonb;
_MESSAGE_TEXT text;
_PG_EXCEPTION_DETAIL text;
_PG_EXCEPTION_HINT text;
BEGIN
INSERT INTO
tps.map_rv (srce, target, retval, map, hist)
SELECT
r.source
,r.map
,r.ret_val
,r.mapped
,jsonb_build_object(
'hist_defn',mapped
,'effective',jsonb_build_array(CURRENT_TIMESTAMP,null::timestamptz)
) || '[]'::jsonb
FROM
JSONB_ARRAY_ELEMENTS(_defn) WITH ORDINALITY ae(r,s)
JOIN LATERAL jsonb_to_record(ae.r) r(source TEXT,map TEXT, ret_val jsonb, mapped jsonb) ON TRUE
ON CONFLICT ON CONSTRAINT map_rv_pk DO UPDATE
SET
map = excluded.map
,hist =
--the new definition going to position -0-
jsonb_build_object(
'hist_defn',excluded.map
,'effective',jsonb_build_array(CURRENT_TIMESTAMP,null::timestamptz)
)
--the previous definition, set upper bound of effective range which was previously null
|| jsonb_set(
map_rv.hist
,'{0,effective,1}'::text[]
,to_jsonb(CURRENT_TIMESTAMP)
);
-------return message--------------------------------------------------------------------------------------------------
_message:= jsonb_build_object('status','complete');
RETURN _message;
EXCEPTION WHEN OTHERS THEN
GET STACKED DIAGNOSTICS
_MESSAGE_TEXT = MESSAGE_TEXT,
_PG_EXCEPTION_DETAIL = PG_EXCEPTION_DETAIL,
_PG_EXCEPTION_HINT = PG_EXCEPTION_HINT;
_message:=
($$
{
"status":"fail",
"message":"error setting map value"
}
$$::jsonb)
||jsonb_build_object('message_text',_MESSAGE_TEXT)
||jsonb_build_object('pg_exception_detail',_PG_EXCEPTION_DETAIL);
RETURN _message;
END;
$f$
LANGUAGE plpgsql;