From df381ee313986d4bece5efa8a813b585ca84b608 Mon Sep 17 00:00:00 2001
From: Paul Trowbridge <paul@hptrow.me>
Date: Fri, 30 Oct 2020 00:56:48 -0400
Subject: [PATCH] push column list into a text variable for downstream use

---
 readme.md        | 18 ++++++++++++++----
 sql/col_list.sql | 18 ++++++++++++++++--
 2 files changed, 30 insertions(+), 6 deletions(-)

diff --git a/readme.md b/readme.md
index 31e1eca..d3bf2a8 100644
--- a/readme.md
+++ b/readme.md
@@ -12,8 +12,18 @@ the goal then is to break that back apart to whatever degree is necessary.
 * _**run**_ `build_master_tables.sql` to generate foreign key based master data
 
 
-baseline
+routes
 ----------------------------------------------------------------------------------------------------------------------------------------------------
-* 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, column lists will have to be generated dynamically with modifications (list all the dates + 1 year)
+* all routes would be tied to an underlying sql that builds the incremental rows
+* that piece of sql will have to be build based on the particular sales layout
+    * **columns:** a function to build the columns for each route
+    * **where** a function to build the where clause will be required for each route
+    * the result of above will get piped into a master function that build the final sql
+    * the master function will need to be called to build the sql statements into files of the project
+
+
+route baseline
+----------------------------------------------------------------------------------------------------------------------------------------------------
+* forecast = baseline (copied verbatim from actuals and increment the dates) + diffs. if orders are canceled this will show up as differ to baseline
+* regular updates to baseline may be required to keep up with canceled/altered orders
+* copy some period of actual sales and increment all the dates to serve as a baseline forecast
diff --git a/sql/col_list.sql b/sql/col_list.sql
index 3e2cd0b..7bc820a 100644
--- a/sql/col_list.sql
+++ b/sql/col_list.sql
@@ -1,6 +1,20 @@
+DO
+$$
+DECLARE
+    clist text;
+
+BEGIN
+-------------------------------build a column list----------------------------------------
 SELECT 
-    string_agg(format('%I',cname),E'\n,' ORDER BY opos ASC) cols 
+    string_agg(format('%I',cname),E'\n,' ORDER BY opos ASC)
+INTO
+    clist
 FROM 
     fc.target_meta 
 WHERE 
-    func NOT IN ('version','iter');
+    func NOT IN ('version');
+
+RAISE NOTICE 'build list: %',clist;
+
+END
+$$