-- Ejemplo de creación de una función básica en PostgreSQL
CREATE OR REPLACE FUNCTION rrhh.__notas_01__set_award_student(
__p_id_main INTEGER,
__p_data jsonb)
RETURNS jsonb
LANGUAGE 'plpgsql'
VOLATILE
AS $BODY$
DECLARE
--CONSTANTES
__ERROR_ANP CONSTANT CHARACTER VARYING DEFAULT 'Acción no permitida';
__MSJ_ERROR CONSTANT CHARACTER VARYING DEFAULT 'Hubo un error';
__MSJ_SUCCESS CONSTANT CHARACTER VARYING DEFAULT 'Se actualizó';
__STATUS_ERROR CONSTANT INTEGER DEFAULT 1;
__STATUS_SUCCESS CONSTANT INTEGER DEFAULT 0;
--VARIABLES
__result JSONB;
__msj_excep TEXT;
BEGIN
IF __id_sede IS NULL THEN
RAISE EXCEPTION USING ERRCODE = 'SMILE', MESSAGE = __ERROR_ANP;
END IF;
---------------------------------
RAISE NOTICE '%', __JSONB_REQUISITOS_PRIMER_NIVEL;
-------------- FIN --------------
__result = JSONB_BUILD_OBJECT('status', __STATUS_SUCCESS, 'msj' , 'Ejecución correcta');
WITH ta as (SELECT (t.unw->>'id_award')::INTEGER AS id_award,
(t.unw->>'desc_award')::CHARACTER VARYING AS desc_award,
(t.unw->>'fecha_award')::TIMESTAMP WITHOUT TIME ZONE AS fecha_regi
FROM (select JSONB_ARRAY_ELEMENTS(json_awards) AS unw
from notas.notas_estudiante
where _id_main=4049
and _id_estudiante = 606
) AS t)
select * from ta
select * from notas.notas_estudiante where _id_main=4049 and _id_estudiante = 606
UPDATE notas.notas_estudiante ne
SET json_awards = (SELECT JSONB_SET(COALESCE(ne.json_awards,'[]'::JSONB),
ARRAY[JSONB_ARRAY_LENGTH(COALESCE(ne.json_awards,('[]')::JSONB))::TEXT],
JSONB_BUILD_OBJECT('idx', JSONB_ARRAY_LENGTH(COALESCE(ne.json_awards,'[]'::JSONB)),
'id_estudiante', 1184,
'id_award' , 2,
'fecha_award' , now(),
'desc_award' , 'es un lider positivo para sus compañeros'
),
TRUE
))
WHERE _id_main = __p_id_main
AND _id_estudiante = 1184;
RETURN __result;
EXCEPTION
WHEN SQLSTATE 'SMILE' THEN
__result = JSONB_BUILD_OBJECT('status', __STATUS_ERROR, 'msj' , SQLERRM);
RETURN __result;
WHEN OTHERS THEN
GET STACKED DIAGNOSTICS __msj_excep = PG_EXCEPTION_CONTEXT;
__result = JSONB_BUILD_OBJECT('status', __STATUS_ERROR, 'msj' , 'Hubo un error', 'stack_error', CONCAT(SQLERRM, ' - ', __msj_excep));
RETURN __result;
END;
$BODY$;
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