90 lines
2.7 KiB
PL/PgSQL
90 lines
2.7 KiB
PL/PgSQL
---------------------------handle balance updates----------------------------------------
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CREATE OR REPLACE FUNCTION evt.bal_insert() RETURNS trigger
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LANGUAGE plpgsql
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AS
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$func$
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BEGIN
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WITH
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list AS (
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SELECT
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acct
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,min(lower(dur)) minp
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,max(lower(dur)) maxp
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FROM
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ins b
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INNER JOIN evt.fspr f ON
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f.id = b.fspr
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GROUP BY
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acct
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)
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,seq AS (
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WITH RECURSIVE rf (acct, minp, maxp, id, dur, obal, debits, credits, cbal) AS
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(
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SELECT
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list.acct
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,list.minp
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,list.maxp
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,f.id
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,f.dur
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,b.obal::numeric(12,2)
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,b.debits::numeric(12,2)
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,b.credits::numeric(12,2)
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,b.cbal::numeric(12,2)
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FROM
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list
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INNER JOIN evt.fspr f ON
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lower(f.dur) = list.minp
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LEFT OUTER JOIN evt.bal b ON
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b.acct = list.acct
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AND b.fspr = f.id
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UNION ALL
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SELECT
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rf.acct
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,rf.minp
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,rf.maxp
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,f.id
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,f.dur
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,COALESCE(rf.cbal,0)::numeric(12,2)
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,COALESCE(b.debits,0)::numeric(12,2)
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,COALESCE(b.credits,0)::numeric(12,2)
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,(COALESCE(rf.cbal,0) + COALESCE(b.debits,0) + COALESCE(b.credits,0))::numeric(12,2)
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FROM
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rf
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INNER JOIN evt.fspr f ON
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lower(f.dur) = upper(rf.dur)
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LEFT OUTER JOIN evt.bal b ON
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b.acct = rf.acct
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AND b.fspr = f.id
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WHERE
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lower(f.dur) <= rf.maxp
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)
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select * from rf
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)
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INSERT INTO
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evt.bal (acct, fspr, obal, debits, credits, cbal)
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SELECT
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acct
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,id
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,obal
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,debits
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,credits
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,cbal
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FROM
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seq
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ON CONFLICT ON CONSTRAINT bal_pk DO UPDATE SET
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obal = EXCLUDED.obal
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,debits = EXCLUDED.debits
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,credits = EXCLUDED.credits
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,cbal = EXCLUDED.cbal;
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RETURN NULL;
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END;
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$func$;
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CREATE TRIGGER bal_insert
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AFTER INSERT ON evt.bal
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REFERENCING NEW TABLE AS ins
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FOR EACH STATEMENT
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EXECUTE PROCEDURE evt.bal_insert(); |