418 lines
14 KiB
PL/PgSQL
418 lines
14 KiB
PL/PgSQL
/*
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====================================================================================
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Script: single_price_call.pg.sql
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Purpose: Single price call logic for a specific scenario (PostgreSQL)
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-----------------------------------------------------------------------------------
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Description:
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- Accepts a single pricing scenario (bill, ship, part, v1ds, vol)
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- Enriches with customer, channel, tier, pack quantity, price level, and part group
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- Looks up and applies target price, price history, list price, and guidance logic
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- Builds a JSON explanation and UI JSON for the scenario
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Inputs:
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- bill, ship, part, v1ds, vol (function arguments)
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- Reference tables: pricequote.target_prices, pricequote.lastpricedetail, pricequote.pricelist_ranged
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- Customer/item reference: rlarp.cust, CMS.CUSLG.itemm, CMS.CUSLG.IPRCBHC
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Outputs:
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- Returns a single enriched row with all pricing and explanation fields
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Key Business Logic:
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- Channel/tier/customer resolution based on bill/ship codes
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- Target price and math lookup by segment, channel, tier, and volume
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- Price history precedence and extraction via helper function
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- List price selection: lowest valid price for the scenario
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- Guidance logic: computed from target, last, and list prices
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Dependencies:
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- pricequote.guidance_logic (function)
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- pricequote.pick_last_price_from_hist (function)
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Notes:
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- Designed for single-row pricing queries (API or UI)
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- Assumes all referenced tables and functions exist
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- See also: matrix_guidance.pg.sql for batch/matrix logic
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====================================================================================
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*/
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DROP FUNCTION pricequote.single_price_call(text,text,text,text,numeric);
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CREATE OR REPLACE FUNCTION pricequote.single_price_call(
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_bill TEXT,
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_ship TEXT,
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_part TEXT,
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_v1ds TEXT,
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_vol NUMERIC
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)
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RETURNS TABLE (
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bill TEXT,
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ship TEXT,
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part TEXT,
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stlc TEXT,
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v1ds TEXT,
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vol NUMERIC,
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chan TEXT,
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cust TEXT,
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tier TEXT,
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pltq NUMERIC,
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plevel TEXT,
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partgroup TEXT,
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part_v1ds TEXT,
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v0ds TEXT,
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curstd_orig NUMERIC,
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futstd_orig NUMERIC,
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curstd NUMERIC,
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futstd NUMERIC,
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curstd_last NUMERIC,
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futstd_last NUMERIC,
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customized TEXT,
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last_premium NUMERIC,
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last_premium_method TEXT,
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last_price_norm NUMERIC,
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last_isdiff TEXT,
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last_v0ds TEXT,
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tprice_last NUMERIC,
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last_price NUMERIC,
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last_qty NUMERIC,
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last_dataseg TEXT,
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last_date DATE,
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last_order TEXT,
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last_quote TEXT,
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last_source TEXT,
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tprice NUMERIC,
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tmath JSONB,
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volume_range TEXT,
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listprice NUMERIC,
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listcode TEXT,
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listprice_eff NUMERIC,
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list_relevance TEXT,
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guidance_price NUMERIC,
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guidance_reason TEXT,
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expl JSONB,
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ui_json JSONB
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) AS $$
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DECLARE
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_pltq NUMERIC;
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_calculated_pallets INT;
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_exact_pallets NUMERIC;
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_chan TEXT;
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_tier TEXT;
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_cust TEXT;
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_plevel TEXT;
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_partgroup TEXT;
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_stlc TEXT;
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_part_v1ds TEXT;
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_v0ds TEXT;
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_curstd_orig NUMERIC;
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_futstd_orig NUMERIC;
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_curstd NUMERIC;
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_futstd NUMERIC;
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_curstd_last NUMERIC;
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_futstd_last NUMERIC;
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_customized TEXT := '';
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_last_premium NUMERIC;
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_last_premium_method TEXT;
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_last_price_norm NUMERIC;
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_last_isdiff TEXT;
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_last_v0ds TEXT;
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_tprice_last NUMERIC;
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_tprice NUMERIC;
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_tmath JSONB;
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_volume_range TEXT;
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_list_price NUMERIC;
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_list_code TEXT;
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_listprice_eff NUMERIC;
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_list_relevance TEXT;
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_guidance_price NUMERIC;
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_guidance_reason TEXT;
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_hist JSONB := '{}'::jsonb;
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_last JSONB;
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_last_price NUMERIC;
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_last_qty NUMERIC;
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_last_dataseg TEXT;
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_last_date DATE;
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_last_order TEXT;
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_last_quote TEXT;
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_last_source TEXT;
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_expl JSONB := '{}'::jsonb;
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_ui_json JSONB := '{}'::jsonb;
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BEGIN
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------------------------------------------------------------------
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-- Step 1: Resolve customer metadata and part master data
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------------------------------------------------------------------
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SELECT
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i.mpck,
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CASE SUBSTRING(bc.cclass, 2, 3)
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WHEN 'DIS' THEN
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CASE SUBSTRING(sc.cclass, 2, 3)
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WHEN 'DIS' THEN 'WHS'
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ELSE 'DRP'
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END
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ELSE 'DIR'
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END,
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CASE SUBSTRING(bc.cclass, 2, 3)
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WHEN 'DIR' THEN bc.tier
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ELSE COALESCE(sc.tier, bc.tier)
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END,
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CASE SUBSTRING(bc.cclass, 2, 3)
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WHEN 'DIS' THEN
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CASE SUBSTRING(sc.cclass, 2, 3)
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WHEN 'DIS' THEN bc.dba
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ELSE sc.dba
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END
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ELSE bc.dba
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END,
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CASE SUBSTRING(bc.cclass, 2, 3)
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WHEN 'DIS' THEN
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CASE SUBSTRING(sc.cclass, 2, 3)
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WHEN 'DIS' THEN sc.plevel
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ELSE bc.plevel
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END
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ELSE bc.plevel
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END,
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i.partgroup,
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substring(_part,1,8),
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i.v1ds,
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CASE substring(_v1ds,4,1) WHEN 'B' THEN 'B' ELSE 'C' END || CASE substring(_v1ds,6,1) WHEN 'L' THEN 'L' WHEN 'P' THEN 'P' ELSE '' END,
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i.curstdus,
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i.futstdus,
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FLOOR(_vol / NULLIF(_pltq, 0)),
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ROUND(_vol / NULLIF(_pltq, 0), 5)
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INTO
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_pltq, _chan, _tier, _cust, _plevel, _partgroup, _stlc, _part_v1ds, _v0ds, _curstd_orig, _futstd_orig, _calculated_pallets, _exact_pallets
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FROM rlarp.cust bc
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LEFT JOIN rlarp.cust sc ON sc.code = _ship
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LEFT JOIN "CMS.CUSLG".itemm i ON i.item = _part
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WHERE bc.code = _bill;
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-- Customized flag
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IF _part_v1ds IS NOT NULL AND _v1ds IS NOT NULL AND _part_v1ds <> _v1ds THEN
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_customized := 'Customized';
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END IF;
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RAISE NOTICE 'Debug Inputs => stlc: "%", v1ds: "%", chan: "%", tier: "%", pallets: "%" , pltq: "%"',
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_stlc, _v1ds, _chan, _tier, _calculated_pallets, _pltq;
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------------------------------------------------------------------
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-- Step 2: Target price logic (current and for last_dataseg)
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------------------------------------------------------------------
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SELECT tp.price, to_json(tp.math), tp.vol::text
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INTO _tprice, _tmath, _volume_range
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FROM pricequote.target_prices tp
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WHERE tp.stlc = _stlc
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AND tp.ds = _v1ds
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AND tp.chan = _chan
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AND tp.tier = _tier
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AND tp.vol @> _calculated_pallets;
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RAISE NOTICE 'Debug: tprice=%, tmath=%, volume_range=%',
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_tprice, _tmath, _volume_range;
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------------------------------------------------------------------
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-- Step 3: Last sale/quote/volume/segment data
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------------------------------------------------------------------
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SELECT lp.part_stats INTO _hist
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FROM pricequote.lastpricedetail lp
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WHERE lp.customer = _cust
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AND lp.partgroup = _partgroup;
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_last := pricequote.pick_last_price_from_hist(_hist, _v1ds);
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_last_price := (_last->>'price')::numeric;
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_last_qty := (_last->>'qty')::numeric;
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_last_dataseg := _last->>'datasegment';
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_last_date := (_last->>'odate')::date;
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_last_order := _last->>'ordnum';
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_last_quote := _last->>'quoten';
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_last_source := _last->>'source';
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-- last_v0ds logic
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_last_v0ds :=
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CASE substring(_last_dataseg,4,1) WHEN 'B' THEN 'B' ELSE 'C' END ||
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CASE substring(_last_dataseg,6,1) WHEN 'L' THEN 'L' WHEN 'P' THEN 'P' ELSE '' END;
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-- last_isdiff logic
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IF _last_dataseg IS NOT NULL AND _v1ds IS NOT NULL AND _last_dataseg <> _v1ds THEN
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_last_isdiff := 'Last Sale Diff Part';
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END IF;
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-- Target price for last_dataseg
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SELECT tp.price
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INTO _tprice_last
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FROM pricequote.target_prices tp
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WHERE tp.stlc = _stlc
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AND tp.ds = _last_dataseg
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AND tp.chan = _chan
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AND tp.tier = _tier
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AND FLOOR(_vol / NULLIF(_pltq, 0))::int <@ tp.vol;
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------------------------------------------------------------------
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-- Step 4: Cost data for normalization
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------------------------------------------------------------------
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-- Current/future standard for requested v1ds
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SELECT curstdus, futstdus INTO _curstd, _futstd
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FROM "CMS.CUSLG".itemm i
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WHERE i.item = _part AND i.v1ds = _v1ds;
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-- Current/future standard for last_dataseg
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SELECT curstdus, futstdus INTO _curstd_last, _futstd_last
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FROM "CMS.CUSLG".itemm i
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WHERE i.item = _part AND i.v1ds = _last_dataseg;
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------------------------------------------------------------------
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-- Step 5: Normalize last price if needed
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------------------------------------------------------------------
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IF _last_isdiff IS NOT NULL THEN
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IF _tprice_last IS NOT NULL AND _tprice IS NOT NULL AND _tprice_last <> 0 THEN
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_last_premium := _tprice / _tprice_last;
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_last_price_norm := ROUND(_last_price * (_tprice / _tprice_last), 5);
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_last_premium_method := 'Target Price Ratio';
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ELSIF _curstd_last IS NOT NULL AND _curstd IS NOT NULL AND _curstd_last <> 0 THEN
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_last_premium := _curstd / _curstd_last;
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_last_price_norm := ROUND(_last_price * (_curstd / _curstd_last), 5);
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_last_premium_method := 'Cost Ratio';
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ELSE
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_last_price_norm := _last_price;
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_last_premium_method := 'Unknown';
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END IF;
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ELSE
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_last_price_norm := _last_price;
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END IF;
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------------------------------------------------------------------
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-- Step 6: List price logic
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------------------------------------------------------------------
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SELECT pr.price::numeric(20,5), pr.jcplcd
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INTO _list_price, _list_code
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FROM "CMS.CUSLG".IPRCBHC i
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JOIN pricequote.pricelist_ranged pr
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ON pr.jcplcd = TRIM(i.jbplcd)
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AND pr.jcpart = _part
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AND _vol >= pr.vb_from
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AND (_vol < pr.vb_to OR pr.vb_to IS NULL)
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WHERE TRIM(i.jbplvl) = TRIM(_plevel)
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AND CURRENT_DATE BETWEEN i.jbfdat AND i.jbtdat
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ORDER BY pr.price ASC
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LIMIT 1;
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-- List price relevance
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IF _customized <> '' THEN
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_listprice_eff := NULL;
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_list_relevance := 'Ignore - Customized';
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ELSE
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_listprice_eff := _list_price;
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_list_relevance := '';
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END IF;
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------------------------------------------------------------------
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-- Step 7: Compute guidance price and embed it
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------------------------------------------------------------------
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SELECT gl.guidance_price, gl.guidance_reason
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INTO _guidance_price, _guidance_reason
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FROM pricequote.guidance_logic(_tprice, _last_price_norm, _listprice_eff, _last_date) gl;
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------------------------------------------------------------------
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-- Step 8: Build explanation JSON
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------------------------------------------------------------------
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_expl := jsonb_build_object(
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'last_price', _last_price,
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'last_qty', _last_qty,
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'last_dataseg', _last_dataseg,
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'last_v0ds', _last_v0ds,
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'last_source', _last_source,
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'last_date', _last_date,
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'last_order', _last_order,
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'last_quote', _last_quote,
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'last_isdiff', _last_isdiff,
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'tprice_last', _tprice_last,
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'target_price', _tprice,
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'target_math', _tmath,
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'calculated_pallets', FLOOR(_vol / NULLIF(_pltq, 0)),
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'exact_pallets', ROUND(_vol / NULLIF(_pltq, 0), 5),
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'customer', _cust,
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'channel', _chan,
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'tier', TRIM(_tier),
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'part_v1ds', _part_v1ds,
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'curstd_orig', _curstd_orig,
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'futstd_orig', _futstd_orig,
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'v0ds', _v0ds,
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'curstd', _curstd,
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'futstd', _futstd,
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'curstd_last', _curstd_last,
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'futstd_last', _futstd_last,
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'customized', _customized,
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'last_premium', _last_premium,
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'last_premium_method', _last_premium_method,
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'last_price_norm', _last_price_norm,
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'listcode', _list_code,
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'listprice', _list_price,
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'listprice_eff', _listprice_eff,
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'list_relevance', _list_relevance,
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'guidance_price', _guidance_price,
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'guidance_reason', _guidance_reason
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);
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------------------------------------------------------------------
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-- Step 9: Build UI JSON (panels)
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------------------------------------------------------------------
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_ui_json := jsonb_build_object(
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'details', jsonb_build_array(
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jsonb_build_object(
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'label', 'History',
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'details', jsonb_build_array(
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jsonb_build_object(
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'label', CASE WHEN _last_price IS NOT NULL THEN 'Last Sale: ' || _last_date ELSE 'No Recent' END,
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'value', COALESCE(_last_price,0),
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'type', 'currency',
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'note', CASE WHEN _last_price IS NOT NULL THEN _last_source ||
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CASE WHEN COALESCE(_last_order, '0') = '0' THEN ' Qt# ' || COALESCE(_last_quote, '') ELSE ' Ord# ' || COALESCE(_last_order, '') END
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ELSE NULL END
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)
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)
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),
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jsonb_build_object(
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'label', 'List',
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'details', jsonb_build_array(
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jsonb_build_object(
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'label', 'List:' || COALESCE(_list_code, ''),
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'value', _list_price,
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'type', 'currency',
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'note', _list_relevance
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)
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)
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),
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jsonb_build_object(
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'label', 'Target Support',
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'details', _tmath
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),
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jsonb_build_object(
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'label', 'Guidance',
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'details', jsonb_build_array(
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jsonb_build_object(
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'label', 'Price',
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'value', _guidance_price,
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'type', 'currency',
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'note', _guidance_reason
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)
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)
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)
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),
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'data', _expl
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);
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------------------------------------------------------------------
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-- Final: Return row
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------------------------------------------------------------------
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RETURN QUERY
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SELECT
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_bill, _ship, _part, _stlc, _v1ds, _vol,
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_chan, _cust, _tier, _pltq, _plevel, _partgroup, _part_v1ds, _v0ds,
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_curstd_orig, _futstd_orig, _curstd, _futstd, _curstd_last, _futstd_last,
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_customized, _last_premium, _last_premium_method, _last_price_norm, _last_isdiff, _last_v0ds, _tprice_last,
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_last_price, _last_qty, _last_dataseg, _last_date, _last_order, _last_quote, _last_source,
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_tprice, _tmath, _volume_range,
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_list_price, _list_code, _listprice_eff, _list_relevance,
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_guidance_price, _guidance_reason,
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_expl, _ui_json;
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END;
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$$ LANGUAGE plpgsql;
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