161 lines
4.9 KiB
PL/PgSQL
161 lines
4.9 KiB
PL/PgSQL
BEGIN TRANSACTION;
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--\conninfo
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--------------------------build schema----------------------------------------------
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DROP EXTENSTION IF EXISTS ltree;
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CREATE EXTENSTION ltree;
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DROP SCHEMA IF EXISTS evt cascade;
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CREATE SCHEMA evt;
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COMMENT ON SCHEMA evt IS 'event log';
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--------------------------event log table-------------------------------------------
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CREATE TABLE evt.bpr (
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id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY
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,bpr JSONB
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,bprh JSONB
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,stmp timestamptz
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);
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COMMENT ON COLUMN evt.bpr.bpr IS 'basic pecuniary record';
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COMMENT ON COLUMN evt.bpr.bprh IS 'basic pecuniary record history';
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COMMENT ON COLUMN evt.bpr.stmp IS 'insert time';
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--------------------------account master---------------------------------------------
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--the account master should be dynamically created
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CREATE TABLE evt.acct (
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acct text PRIMARY KEY
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,prop jsonb
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);
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COMMENT ON COLUMN evt.acct.acct IS 'account';
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COMMENT ON COLUMN evt.acct.prop IS 'properties';
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------------------------fiscal periods------------------------
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CREATE TABLE evt.fspr (
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id ltree
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,dur tstzrange
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)
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COMMENT ON COLUMN evt.fspr.id IS 'fiscal period';
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COMMENT ON COLUMN evt.fspr.dur IS 'duration of period as timestamp range';
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CREATE INDEX id_gist ON evt.fspr USING GIST (id);
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--------------------------relational ledger------------------------------------------
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CREATE TABLE evt.gl (
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id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY
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,bprid INT REFERENCES evt.bpr (id)
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,acct text REFERENCES evt.acct (acct)
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,amount numeric (12,2)
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,glline INT
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,bprkeys JSONB
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);
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COMMENT ON COLUMN evt.gl.id IS 'gl id';
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COMMENT ON COLUMN evt.gl.bprid IS 'id of initial basic pecuniary record';
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COMMENT ON COLUMN evt.gl.acct IS 'account code';
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COMMENT ON COLUMN evt.gl.amount IS 'amount';
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COMMENT ON COLUMN evt.gl.glline IS 'gl line number';
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COMMENT ON COLUMN evt.gl.bprkeys IS 'extract from initial basic pecuniary record';
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--------------------------balances----------------------------------------------------
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CREATE TABLE evt.bal (
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acct TEXT REFERENCES evt.acct(acct)
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,perd daterange
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,obal numeric(12,2)
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,debits numeric(12,2)
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,credits numeric(12,2)
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,cbal numeric(12,2)
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);
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COMMENT ON COLUMN evt.bal.acct IS 'account';
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COMMENT ON COLUMN evt.bal.perd IS 'period';
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COMMENT ON COLUMN evt.bal.obal IS 'opening balance';
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COMMENT ON COLUMN evt.bal.debits IS 'total debits';
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COMMENT ON COLUMN evt.bal.credits IS 'total credits';
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COMMENT ON COLUMN evt.bal.cbal IS 'closing balance';
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-----------------------------------------process bpr insert trigger -----------------------------------
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CREATE OR REPLACE FUNCTION evt.log_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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------------------------------------full extraction-------------------------------------------
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full_ex AS (
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SELECT
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ins.id
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--th econtents of the gl line
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,a.i gl_line
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--the array position of the gl line
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,a.rn gl_rownum
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--array of references
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,ins.bpr#>ARRAY['gl','jpath',(a.rn - 1)::text] gl_ref
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--each item in the reference array
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,p.i ref_line
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--array postition of the reference item
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,p.rn ref_rownum
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--follow the path
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,ins.bpr#>(p.i->>0)::text[] bpr_extract
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FROM
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ins
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--gl array hold each gl line
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LEFT JOIN LATERAL JSONB_ARRAY_ELEMENTS(ins.bpr->'gl'->'lines') WITH ORDINALITY a(i, rn) ON TRUE
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--for each
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LEFT JOIN LATERAL JSONB_ARRAY_ELEMENTS(ins.bpr#>ARRAY['gl','jpath',(a.rn - 1)::text]) WITH ORDINALITY p(i, rn) ON TRUE
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)
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--select * from full_ex
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--------------------------------re-ggregate extraction to gl line level----------------------
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,ex_gl_line AS (
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SELECT
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id
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,gl_line->>'account' account
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,(gl_line->>'amount')::numeric amount
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,gl_rownum
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--aggregate all the path references back to the gl line
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,public.jsonb_concat(bpr_extract) bprkeys
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FROM
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full_ex
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GROUP BY
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id
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,gl_line
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,gl_rownum
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)
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--select * from ex_gl_line
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,upsert_acct_mast AS (
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INSERT INTO
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evt.acct (acct,prop)
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SELECT DISTINCT
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account
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,'{}'::jsonb prop
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FROM
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ex_gl_line
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ON CONFLICT DO NOTHING
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RETURNING *
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)
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INSERT INTO
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evt.gl (bprid,acct, amount,glline, bprkeys)
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SELECT
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id
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,account
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,amount
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,gl_rownum
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,bprkeys
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FROM
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ex_gl_line;
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RETURN NULL;
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END;
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$func$;
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CREATE TRIGGER log_insert
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AFTER INSERT ON evt.bpr
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REFERENCING NEW TABLE AS ins
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FOR EACH STATEMENT
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EXECUTE PROCEDURE evt.log_insert();
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COMMIT;
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