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snap to pt branch on srce.pgsql

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This commit is contained in:
Paul Trowbridge 2017-10-18 01:00:10 -04:00
parent fe3a9c4bed
commit 63a3bd3b97
1 changed files with 53 additions and 33 deletions
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86
srce.pgsql
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@ -1,4 +1,3 @@
DO $$ DO $$
DECLARE _t text; DECLARE _t text;
@ -50,38 +49,59 @@ $$;
--this needs to aggregate on id sequence --this needs to aggregate on id sequence
--******************************************* --*******************************************
WITH pending_list AS ( WITH pending_list AS (
SELECT SELECT
---creates a key value pair and then aggregates rows of key value pairs ---creates a key value pair and then aggregates rows of key value pairs
jsonb_object_agg( jsonb_object_agg(
(ae.e::text[])[1], --the key name (ae.e::text[])[1], --the key name
(row_to_json(i)::jsonb) #> ae.e::text[] --get the target value from the key from the csv row that has been converted to json (row_to_json(i)::jsonb) #> ae.e::text[] --get the target value from the key from the csv row that has been converted to json
) json_key, ) json_key,
row_to_json(i) rec, row_to_json(i)::JSONB rec,
srce, srce,
--ae.rn, --ae.rn,
id id
FROM FROM
csv_i i csv_i i
INNER JOIN tps.srce s ON INNER JOIN tps.srce s ON
s.srce = 'DCARD' s.srce = 'DCARD'
LEFT JOIN LATERAL JSONB_ARRAY_ELEMENTS_TEXT(defn->'unique_constraint'->'fields') WITH ORDINALITY ae(e, rn) ON TRUE LEFT JOIN LATERAL JSONB_ARRAY_ELEMENTS_TEXT(defn->'unique_constraint'->'fields') WITH ORDINALITY ae(e, rn) ON TRUE
GROUP BY GROUP BY
i.*, i.*,
srce, srce,
id id
ORDER BY ORDER BY
id id
) )
, matched_tps AS ( ------results of an insert operation--------------
SELECT , inserted AS (
* INSERT INTO
FROM tps.trans (srce, rec)
pending_list pl SELECT
INNER JOIN tps.trans t ON pl.srce
t.srce = pl.srce ,pl.rec
AND t.rec @> pl.json_key FROM
pending_list pl
LEFT JOIN tps.trans t ON
t.srce = pl.srce
AND t.rec @> pl.json_key
WHERE
t IS NULL
----this conflict is only if an exact duplicate rec json happens, which will be rejected
----therefore, records may not be inserted due to ay matches with certain json fields, or if the entire json is a duplicate, reason is not specified
ON CONFLICT ON CONSTRAINT uc_rec DO NOTHING
RETURNING *
) )
SELECT * FROM matched_tps;
-- need to compare against and tps matches ----records not inserted------
-- therefore need to apply keyset to tps rows SELECT
srce
,rec
FROM
pending_list
EXCEPT ALL
SELECT
srce
,rec
FROM
inserted;