46 lines
1.4 KiB
Plaintext
46 lines
1.4 KiB
Plaintext
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\timing
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with j as (
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SELECT
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$$
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{"header":{"vendor":"Target","date":"10/12/2017","instrument":"Discover Card","module":"hdrio","total":47.74,"location":"Stow, OH","transaction":"purchase","offset":"dcard"},"item":[{"vend item":"HERBAL","amt":7.99,"account":"home supplies","item":"shampoo","reason":"hygiene"},{"vend item":"HERBAL","amt":7.99,"account":"home supplies","item":"conditioner","reason":"hygiene"},{"vend item":"BUILDING SET","amt":28.74,"account":"recreation","item":"legos","reason":"toys","qty":6,"uom":"ea"},{"vend item":"OH TAX","amt":3.02,"account":"sales tax","item":"sales tax","reason":"sales tax","rate":"0.0675"}]}
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$$::jsonb jb
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)
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,os AS (
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SELECT
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flag,
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sign,
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x.offs
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FROM
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j
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JOIN LATERAL
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(
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VALUES
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('ITEM',1,null),
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('OFFSET',-1,j.jb->'header'->>'offset')
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) x (flag, sign, offs) ON TRUE
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)
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,build AS (
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SELECT
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array['item',rn::text]::text jpath
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,COALESCE(os.offs,ae.e->>'account') acct
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,(ae.e->>'amt')::numeric * os.sign amount
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FROM
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j
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LEFT JOIN LATERAL JSONB_ARRAY_ELEMENTS(J.JB->'item') WITH ORDINALITY ae(e,rn) ON TRUE
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CROSS JOIN os
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ORDER BY
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ae.rn ASC,
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os.flag ASC
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)
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,agg AS (
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SELECT
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jsonb_build_object('gl',jsonb_agg(row_to_json(b))) gl
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FROM
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build b
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)
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SELECT
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jsonb_pretty(agg.gl||j.jb)
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FROM
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agg
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CROSS JOIN j
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