253 lines
8.0 KiB
SQL
253 lines
8.0 KiB
SQL
DO
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$func$
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DECLARE
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_clist_all text; --all columns
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_clist_sum text; --group away forecast iteration rows
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_clist_group text; --group away forecast iteration rows
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_clist_vol text; --volume columns scaled
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_clist_prc text; --price columns scaled
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_target_table text;
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_order_date text;
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_ship_date text;
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_order_status text;
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_version_col text;
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_iter_col text;
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_logid_col text;
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_units_col text;
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_value_col text;
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_sql text;
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BEGIN
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-----------------populate application variables--------------------------------------------
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SELECT cname INTO _order_date FROM fc.target_meta WHERE appcol = 'order_date' ;
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SELECT cname INTO _ship_date FROM fc.target_meta WHERE appcol = 'ship_date' ;
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SELECT cname INTO _order_status FROM fc.target_meta WHERE appcol = 'order_status' ;
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SELECT cname INTO _units_col FROM fc.target_meta WHERE appcol = 'units' ;
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SELECT cname INTO _value_col FROM fc.target_meta WHERE appcol = 'value' ;
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SELECT cname INTO _version_col FROM fc.target_meta WHERE appcol = 'version' ;
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SELECT cname INTO _iter_col FROM fc.target_meta WHERE appcol = 'iter' ;
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SELECT cname INTO _logid_col FROM fc.target_meta WHERE appcol = 'logid' ;
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SELECT format('%I',max(schema))||'.'||format('%I',max(tname)) INTO _target_table FROM fc.target_meta;
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RAISE NOTICE '_order_date; %', _order_date;
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RAISE NOTICE '_ship_date; %', _ship_date;
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RAISE NOTICE '_order_status;%', _order_status;
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RAISE NOTICE '_units_col; %', _units_col;
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RAISE NOTICE '_value_col; %', _value_col;
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RAISE NOTICE '_target_table;%', _target_table;
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RAISE NOTICE '_version_col; %', _version_col;
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RAISE NOTICE '_iter_col; %', _iter_col;
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RAISE NOTICE '_logid_col; %', _logid_col;
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-------------------------all columns ------------------------------------------------------
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SELECT
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string_agg('o.'||format('%I',cname),E'\n ,' ORDER BY opos ASC)
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INTO
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_clist_all
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FROM
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fc.target_meta;
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-------------------------basemix sum columns-----------------------------------------------
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SELECT
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string_agg(
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--create the column reference
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CASE appcol
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WHEN 'units' THEN 'sum(o.'||format('%I',cname)||') AS '||format('%I',cname)
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WHEN 'value' THEN 'sum(o.'||format('%I',cname)||') AS '||format('%I',cname)
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WHEN 'cost' THEN 'sum(o.'||format('%I',cname)||') AS '||format('%I',cname)
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---if basemix is used in price or volume, these columns are overridden anyways---
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WHEN 'version' THEN '''app_forecast_name'' AS '||format('%I',_version_col)
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WHEN 'iter' THEN '''scale'' AS '||format('%I',_iter_col)
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WHEN 'logid' THEN '0::bigint AS '||format('%I',_logid_col)
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ELSE 'o.'||format('%I',cname)
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END
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--delimiter
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,E'\n ,'
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--sort column ordinal
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ORDER BY opos ASC
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)
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INTO
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_clist_sum
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FROM
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fc.target_meta;
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RAISE NOTICE 'sumation columns %', _clist_sum;
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-------------------------basemix group by columns------------------------------------------
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SELECT
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string_agg(
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--create the column reference
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'o.'||format('%I',cname)
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--delimiter
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,E'\n ,'
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--sort column ordinal
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ORDER BY opos ASC
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)
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INTO
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_clist_group
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FROM
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fc.target_meta
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WHERE
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COALESCe(appcol,'') NOT IN ('version','iter','logid','value','cost','units');
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RAISE NOTICE 'sumation columns %', _clist_group;
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-------------------------all columns as-is except volume types which need scaled-----------------------------------
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SELECT
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string_agg(
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--create the column reference
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CASE appcol
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----calculation should yield the value necessary to get to the target increment value------------
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WHEN 'units' THEN 'o.'||format('%I',cname)||' * vscale.factor AS '||format('%I',cname)
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WHEN 'value' THEN 'o.'||format('%I',cname)||' * vscale.factor AS '||format('%I',cname)
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WHEN 'cost' THEN 'o.'||format('%I',cname)||' * vscale.factor AS '||format('%I',cname)
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WHEN 'version' THEN '''app_forecast_name'' AS '||format('%I',_version_col)
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WHEN 'iter' THEN '''scale volume'' AS '||format('%I',_iter_col)
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WHEN 'logid' THEN '(SELECT id FROM ilog) AS '||format('%I',_logid_col)
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ELSE 'o.'||format('%I',cname)
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END
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--delimiter
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,E'\n ,'
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--sort column ordinal
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ORDER BY opos ASC
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)
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INTO
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_clist_vol
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FROM
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fc.target_meta;
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RAISE NOTICE ' all columns plus scale volume columns %', _clist_vol;
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-------------------------all columns with price types getting scaled-----------------------------------
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SELECT
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string_agg(
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--create the column reference
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CASE appcol
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WHEN 'units' THEN '0::numeric AS '||format('%I',cname)
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WHEN 'cost' THEN '0::numeric AS '||format('%I',cname)
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WHEN 'value' THEN $$(CASE WHEN pscale.factor = 0 THEN o.$$||_units_col||$$ * pscale.mod_price ELSE o.$$||format('%I',cname)||' * pscale.factor END)::numeric AS '||format('%I',cname)
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WHEN 'version' THEN '''app_forecast_name'' AS '||format('%I',_version_col)
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WHEN 'iter' THEN '''scale volume'' AS '||format('%I',_iter_col)
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WHEN 'logid' THEN '(SELECT id FROM ilog) AS '||format('%I',_logid_col)
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ELSE 'o.'||format('%I',cname)
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END
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--delimiter
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,E'\n ,'
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--sort column ordinal
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ORDER BY opos ASC
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)
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INTO
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_clist_prc
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FROM
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fc.target_meta;
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RAISE NOTICE 'all columns plus scale price %', _clist_prc;
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SELECT
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---------$$app_req$$ will hold the request body--------------------
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$$WITH
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req AS (SELECT $$||'$$app_req$$::jsonb j)'||$$
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,target AS (
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SELECT
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(req.j->>'app_vincr')::numeric vincr --volume
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,(req.j->>'app_pincr')::numeric pincr --price
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FROM
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req
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)
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-----this block is supposed to test for new products that might not be in baseline etc-------
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,test AS (
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SELECT
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sum($$||_units_col||$$) FILTER (WHERE $$||format('%I',_iter_col)||$$ <> 'ACTUALS') total
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,sum($$||_units_col||$$) FILTER (WHERE $$||format('%I',_iter_col)||$$ = 'baseline') base
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FROM
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$$||_target_table||$$ o
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WHERE
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app_where
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)
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,ilog AS (
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INSERT INTO
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fc.log (doc)
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SELECT
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req.j
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FROM
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req
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RETURNING *
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)
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------need to group basemix and forego any detail iterations
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,basemix AS (
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SELECT
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$$||_clist_sum||$$
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FROM
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$$||_target_table||$$ o
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WHERE
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app_where
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GROUP BY
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$$||_clist_group||$$
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),
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vscale AS (
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SELECT
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(SELECT vincr FROM target) AS target_increment
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,sum($$||_units_col||') AS units'||$$
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,CASE WHEN sum($$||_units_col||$$) = 0 THEN 0 ELSE (SELECT vincr FROM target)/sum($$||_units_col||$$) END AS factor
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FROM
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basemix
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)
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,volume_only AS (
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SELECT
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$$||_clist_vol||$$
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FROM
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basemix o
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CROSS JOIN vscale
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WHERE
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vscale.factor <> 0
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)
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,volume AS (
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SELECT * FROM volume_only
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UNION ALL
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SELECT * FROM baseline WHERE (SELECT COUNT(*) FROM volume_only) = 0
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)
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,pscale AS (
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----what if the selection has several value columns, which one to use?-----
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SELECT
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(SELECT pincr FROM target) AS target_increment
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,sum("Amount") AS value
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,CASE WHEN (SELECT vscale.
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((SELECT pincr FROM target)-(SELECT sum("Amount") FROM volume))/(SELECT sum("Amount") FROM volume)
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,CASE WHEN (SELECT sum("Amount") FROM volume) = 0 THEN 0 ELSE (SELECT pincr FROM target)/sum("Amount") FROM volume END factor
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FROM
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volume
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)
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,pricing AS (
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SELECT
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$$||_clist_prc||$$
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FROM
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volume o
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CROSS JOIN pscale
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WHERE
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pscale.factor <> 0 or pscale.mod_price <> 0
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)
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INSERT INTO
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$$||_target_table||$$
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SELECT
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*
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FROM
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volume
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UNION ALL
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SELECT
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*
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FROM
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pricing
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$$
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INTO
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_sql;
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RAISE NOTICE '%', _sql;
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INSERT INTO fc.sql SELECT 'scale', _sql ON CONFLICT (cmd) DO UPDATE SET t = EXCLUDED.t;
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END
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$func$;
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---SELECT * FROM fc.sql;
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