From e0c5cf47a5f05ba02807120a4a907e4ce8e391f6 Mon Sep 17 00:00:00 2001
From: Paul Trowbridge <fleetside72@hotmail.com>
Date: Fri, 27 Oct 2017 01:44:41 -0400
Subject: [PATCH] build interpretation of evt.log for running totals

---
 evt_log_gl_extract.pgsql | 40 ++++++++++++++++++++++++++--------------
 1 file changed, 26 insertions(+), 14 deletions(-)

diff --git a/evt_log_gl_extract.pgsql b/evt_log_gl_extract.pgsql
index d172e08..32a25f3 100644
--- a/evt_log_gl_extract.pgsql
+++ b/evt_log_gl_extract.pgsql
@@ -1,22 +1,34 @@
 
-WITH j AS (
-SELECT
-    id,
-    post_stmp,
-    rec as r
-FROM
-    evt.log
-)
-
 --this is a dynamic approach that dumps all keys into the json except several that are required which it extracts
+WITH
+expand_gl AS (
 SELECT
     id,
     ARRAY['GL',rn::text] json_path,
     post_stmp,
-    a.i->>'amt' amount,
+    (a.i->>'amt')::numeric amount,
     a.i->>'account' account,
-    a.i->>'date' tran_date,
-    a.i - '{amt,account,date}'::text[] as therest
+    j.rec->'header'->>'date' tran_date,
+    j.rec->'header'->>'vendor' vendor,
+    (a.i - '{amt,account,date}'::text[])||j.rec->'header' as therest
 FROM
-    j
-    LEFT JOIN LATERAL JSONB_ARRAY_ELEMENTS(j.r->'GL') WITH ORDINALITY a(i, rn) ON TRUE
\ No newline at end of file
+    evt.log j
+    LEFT JOIN LATERAL JSONB_ARRAY_ELEMENTS(j.rec->'GL') WITH ORDINALITY a(i, rn) ON TRUE
+)
+,gl_agg AS (
+SELECT 
+    id
+    , tran_date
+    , vendor
+    , SUM(amount) amt
+    , ROUND(SUM(amount) FILTER (WHERE account = 'dcard'),2) dr
+FROM    
+    expand_gl 
+GROUP BY 
+    id
+    , tran_date
+    , vendor     
+ORDER BY 
+    id asc
+)
+SELECT id, tran_date, vendor, amt, dr, sum(dr) over(ORDER BY id) FROM gl_agg
\ No newline at end of file