create sql server version that expands target price, too slow to use
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139
builder/build_pricing_path_base.ms.sql
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139
builder/build_pricing_path_base.ms.sql
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CREATE OR ALTER FUNCTION pricing.build_pricing_path_base
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(
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@_json NVARCHAR(MAX)
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)
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RETURNS @Result TABLE
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(
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stlc NVARCHAR(255),
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seq BIGINT,
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srtcode NVARCHAR(50),
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ds NVARCHAR(255),
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chan NVARCHAR(255),
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tier NVARCHAR(255),
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vol_lower INT,
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vol_upper INT,
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func NVARCHAR(50),
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val DECIMAL(18,5),
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price DECIMAL(18,5),
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math NVARCHAR(MAX),
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lastflag BIT
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)
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AS
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BEGIN
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WITH
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-- 1️⃣ Parse JSON into rows of (entity, attr, val)
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parsed AS (
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SELECT
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entity = JSON_VALUE(j.value, '$.entity'),
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attr = ISNULL(JSON_VALUE(j.value, '$.attr'), ''),
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val = JSON_VALUE(j.value, '$.val'),
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func = JSON_VALUE(j.value, '$.func')
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FROM OPENJSON(@_json) j
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),
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-- 2️⃣ Attach sequence & func from master option_sequence table
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sequenced AS (
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SELECT
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p.entity,
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p.attr,
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p.val,
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p.func,
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s.DOMAIN,
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DENSE_RANK() OVER (ORDER BY s.seq) AS seq,
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ROW_NUMBER() OVER (PARTITION BY p.entity ORDER BY ISNULL(CAST(p.val AS DECIMAL(18,5)), 0) ASC) srt
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FROM parsed p
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JOIN pricing.option_sequence s
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ON p.entity = s.entity
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),
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-- 3️⃣ Recursively accumulate pricing path
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combos AS (
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-- 🚀 Base case: first in sequence
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SELECT
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s.entity,
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s.attr,
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s.seq,
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srtcode = FORMAT(s.srt, '000'),
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ds = CAST('' AS NVARCHAR(255)),
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chan = CAST('' AS NVARCHAR(255)),
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tier = CAST('' AS NVARCHAR(255)),
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vol = CAST(NULL AS NVARCHAR(50)),
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s.func,
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val = CAST(s.val AS DECIMAL(18,5)),
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agg = CAST(s.val AS DECIMAL(18,5)),
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base = CASE WHEN s.func = 'Price' THEN CAST(s.val AS DECIMAL(18,5)) ELSE NULL END,
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math = CAST(
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'[' +
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CASE
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WHEN s.func = 'Price' THEN
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CONCAT('"', RIGHT(REPLICATE(' ', 17) + (s.entity + ':' + s.attr), 17), ' + ', FORMAT(CAST(s.val AS DECIMAL(18,5)), '0.00000'), '"')
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WHEN s.func = 'Factor' THEN
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CONCAT('"', RIGHT(REPLICATE(' ', 17) + (s.entity + ':' + s.attr), 17), ' + ', FORMAT(ISNULL(CASE WHEN s.func = 'Price' THEN CAST(s.val AS DECIMAL(18,5)) END, 0) * (CAST(s.val AS DECIMAL(18,5)) - 1), '0.00000'), '"')
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ELSE
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CONCAT('"', RIGHT(REPLICATE(' ', 17) + (s.entity + ':' + s.attr), 17), ' ', FORMAT(CAST(s.val AS DECIMAL(18,5)), '0.00000'), '"')
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END + ']'
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AS NVARCHAR(MAX))
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FROM sequenced s
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WHERE s.seq = (SELECT MIN(x.seq) FROM sequenced x)
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UNION ALL
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-- 🔁 Recursive step: process next in sequence
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SELECT
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c.entity,
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c.attr,
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o.seq,
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srtcode = c.srtcode + '.' + FORMAT(o.srt, '000'),
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ds = CAST(c.ds + CASE WHEN o.DOMAIN = 'Product' THEN '.' + ISNULL(o.attr, '') ELSE '' END AS NVARCHAR(255)),
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chan = CAST(CASE WHEN o.DOMAIN = 'Channel' THEN ISNULL(o.attr, '') ELSE c.chan END AS NVARCHAR(255)),
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tier = CAST(CASE WHEN o.DOMAIN = 'Tier' THEN ISNULL(o.attr, '') ELSE c.tier END AS NVARCHAR(255)),
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vol = CAST(CASE WHEN o.DOMAIN = 'Volume' THEN o.attr ELSE c.vol END AS NVARCHAR(50)),
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o.func,
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val = CAST(o.val AS DECIMAL(18,5)),
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agg = CAST(CASE
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WHEN o.func = 'Price' THEN c.agg + CAST(o.val AS DECIMAL(18,5))
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WHEN o.func = 'Factor' THEN c.agg + ISNULL(c.base, 0) * (CAST(o.val AS DECIMAL(18,5)) - 1)
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END AS DECIMAL(18,5)),
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base = ISNULL(c.base, CASE WHEN o.func = 'Price' THEN CAST(o.val AS DECIMAL(18,5)) ELSE NULL END),
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math = CAST(
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CASE
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WHEN (o.func = 'Price' AND CAST(o.val AS DECIMAL(18,5)) <> 0) OR (o.func = 'Factor' AND CAST(o.val AS DECIMAL(18,5)) <> 1) THEN
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LEFT(c.math, LEN(c.math) - 1) + ',' +
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CASE
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WHEN o.func = 'Price' THEN
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CONCAT('"', RIGHT(REPLICATE(' ', 17) + (o.entity + ':' + o.attr), 17), ' + ', FORMAT(CAST(o.val AS DECIMAL(18,5)), '0.00000'), '"')
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WHEN o.func = 'Factor' THEN
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CONCAT('"', RIGHT(REPLICATE(' ', 17) + (o.entity + ':' + o.attr), 17), ' + ', FORMAT(ISNULL(c.base, 0) * (CAST(o.val AS DECIMAL(18,5)) - 1), '0.00000'), '"')
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ELSE
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CONCAT('"', RIGHT(REPLICATE(' ', 17) + (o.entity + ':' + o.attr), 17), ' ', FORMAT(CAST(o.val AS DECIMAL(18,5)), '0.00000'), '"')
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END + ']'
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ELSE
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c.math
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END AS NVARCHAR(MAX))
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FROM combos c
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JOIN sequenced o
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ON o.seq = c.seq + 1
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)
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INSERT INTO @Result
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SELECT
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stlc = c.attr,
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c.seq,
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c.srtcode,
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ds = 'v1:' + SUBSTRING(c.ds, 2, 100),
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c.chan,
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c.tier,
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vol_lower = CASE
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WHEN c.vol LIKE '[0-9]%-[0-9]%' THEN CAST(LEFT(c.vol, CHARINDEX('-', c.vol) - 1) AS INT)
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WHEN c.vol LIKE '[0-9]%' THEN CAST(c.vol AS INT)
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ELSE NULL
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END,
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vol_upper = CASE
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WHEN c.vol LIKE '[0-9]%-[0-9]%' THEN CAST(SUBSTRING(c.vol, CHARINDEX('-', c.vol) + 1, LEN(c.vol)) AS INT)
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ELSE NULL
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END,
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c.func,
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c.val,
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c.agg,
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math = c.math,
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lastflag = CASE WHEN c.seq = (SELECT MAX(x.seq) FROM sequenced x) THEN 1 ELSE 0 END
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FROM combos c
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ORDER BY c.srtcode ASC;
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RETURN;
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END;
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