pt/pivot_forecast
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notes

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This commit is contained in:
Paul Trowbridge 2020-10-27 23:47:21 -04:00
parent 975ea43b65
commit 11a8ff2c68
2 changed files with 7 additions and 2 deletions
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3
readme.md
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@ -6,7 +6,7 @@ the basic assumption is a single sales table is available to work with that has
the goal then is to break that back apart to whatever degree is necessary.
* _**run**_ `schema.sql` and `perd.sql` to setup basic tables
* create a table fc.live as copied from target
* create a table fc.live as copied from target (will need to have columns `version` and `iter` added if not existing)
* _**run**_ `target_info.sql` to populate the `fc.target_meta` table that holds all the columns and their roles
* fill in flags on table `fc.target_meta` to show how the data is related
* _**run**_ `build_master_tables.sql` to generate foreign key based master data
@ -16,3 +16,4 @@ baseline
----------------------------------------------------------------------------------------------------------------------------------------------------
* copy history and increment by year to form a baseline
* need to be able to handle order/ship dates generically
* need to build the baseline sql

4
sql/baseline.sql
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@ -3,6 +3,7 @@ WITH
baseline AS (
-----------------------copy YTD sales---------------------------------------------------------------------
SELECT
[nonversion]
,'baseline' "version"
,'actuals' iter
FROM
@ -26,6 +27,7 @@ baseline AS (
UNION ALL
---------option 1: fill in the rest of the year, with the prior years sales-sales----------------------------
SELECT
[nonversion]
,'baseline' "version"
,'plug' iter
FROM
@ -40,6 +42,7 @@ baseline AS (
UNION ALL
--------option 2: fill in the remainder of the current year with current forecase-----------------------------
SELECT
[nonversion]
,'baseline' "version"
,'plug' iter
FROM
@ -55,6 +58,7 @@ baseline AS (
-------------------copy the baseline just generated and increment all the dates by one year------------------------------------
,incr AS (
SELECT
[nondate_columns]
,o.dcodat + interval '1 year' --incremented
,o.ddqdat + interval '1 year' --incremented
,o.dhidat + interval '1 year' --incremented