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try using correlated subquery for unique list of keys, is pretty slow

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This commit is contained in:
Paul Trowbridge 2017-10-25 12:05:28 -04:00
parent ba4a404980
commit 8929b4eea9
1 changed files with 15 additions and 8 deletions
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23
srce_defn.pgsql
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@ -1,17 +1,24 @@
\timing
/*
WITH WITH
ext AS ( ext AS (
SELECT SELECT
srce srce
,defn->'unique_constraint'->>'fields' ,defn->'unique_constraint'->>'fields'
,ARRAY(SELECT ae.e::text[] FROM jsonb_array_elements_text(defn->'unique_constraint'->'fields') ae(e)) txa ,ARRAY(SELECT ae.e::text[] FROM jsonb_array_elements_text(defn->'unique_constraint'->'fields') ae(e)) text_array
FROM FROM
tps.srce tps.srce
--add where clause for targeted source
) )
SELECT */
srce
, SELECT COUNT(*) FROM
public.jsonb_extract(rec,txa) (
SELECT DISTINCT
t.srce
,(SELECT JSONB_OBJECT_agg(ae.e,rec #> ae.e::text[]) FROM jsonb_array_elements_text(defn->'unique_constraint'->'fields') ae(e)) ja
FROM FROM
tps.trans tps.trans t
INNER JOIN ext ON INNER JOIN tps.srce s ON
trans.srce = ext.srce s.srce = t.srce
) X