jl/schema/triggers/gl_insert.sql
2018-09-20 23:38:26 -04:00

36 lines
878 B
PL/PgSQL

---------------------------handle new gl lines----------------------------------------
CREATE OR REPLACE FUNCTION evt.gl_insert() RETURNS trigger
LANGUAGE plpgsql
AS
$func$
--upsert gl balance
--if a new period is created roll any gaps
WITH
agg AS (
SELECT
acct
,fspr
,sum(amount) FILTER (WHERE amount > 0) debits
,sum(amount) FILTER (WHERE amount < 0) credits
FROM
ins
GROUP BY
acct
,fspr
)
INSERT INTO
evt.bal
SELECT
acct
,fspr
,0
,debits
,credits
,debits + credits
FROM
agg
ON CONFLICT ON CONSTRAINT PRIMARY KEY DO UPDATE SET
debits = debits + EXCLUDED.debits
,credits = credits + EXCLUDED.credits
,cbal = cbal + debits + credits