updates

event_log.pgsql

@@ -1,7 +1,29 @@
-SELECT 
+WITH
-    'MODULE',
+x AS (
-    '2017-06-01'::DATE pdate,
+SELECT
-    '2017-06-01'::DATE tdate,
+$$
-    $${"attribute1":"value","attribute2":"value","attribute3":"value","attribute4":"value","attribute5":"value","attribute5":"value"}$$::jsonb,
+{"vendor":"Drug Mart","date":"2017-08-20","instrument":"Discover Card","item":[{"item":"Green Chili","amount":1.49},{"item":"Black Beans","amount":1.6},{"item":"Distilled Water","amount":7.12},{"item":"Fruit Preservative","amount":3.99},{"item":"Watch Battery","amount":3.79},{"item":"Sales Tax","amount":"0.26"}],"account":[{"account":"food","offset":"dcard","amount":1.49},{"account":"food","offset":"dcard","amount":1.6},{"account":"food","offset":"dcard","amount":7.12},{"account":"food","offset":"dcard","amount":3.99},{"account":"stuff","offset":"dcard","amount":3.79},{"account":"taxes","offset":"dcard","amount":"0.26"}]}
-    $${"account":"amount"}$$::jsonb ledger
+$$::jsonb j
-
+),
+acct AS (
+SELECT
+    rs.*,
+    row_number() over() rn
+FROM
+    x
+    JOIN LATERAL jsonb_to_recordset(x.j->'account') rs(account text,"offset" text, amount numeric) ON TRUE
+),
+item as (
+SELECT
+    rs.*,
+    row_number() over() rn
+FROM
+    x
+    JOIN LATERAL jsonb_to_recordset(x.j->'item') rs(item text, amount numeric) ON TRUE
+)
+select
+	*
+from
+	item
+    INNER JOIN acct ON
+    	acct.rn = item.rn

rec.json

@@ -0,0 +1,6 @@
+{
+"party":"Lowe's",
+"reason":"ceiling paint",
+"reason":"rollers",
+"reason":"plastic sheet"
+}