From 4d10455cf1c72b50d846042f4661908577d9b8c9 Mon Sep 17 00:00:00 2001
From: Paul Trowbridge <paul@hptrow.me>
Date: Tue, 26 May 2020 11:33:51 -0400
Subject: [PATCH] note on aggregate

---
 postgres/aggregate.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/postgres/aggregate.md b/postgres/aggregate.md
index 41c9e66..90cf610 100644
--- a/postgres/aggregate.md
+++ b/postgres/aggregate.md
@@ -1,3 +1,8 @@
+To extract aggregate definitions can select from `pg_aggregate`
+
+
+SQL for current aggregates I'm using now:
+```      
 CREATE OR REPLACE FUNCTION public.jsonb_concat(
     state jsonb,
     concat jsonb)
@@ -40,4 +45,5 @@ CREATE AGGREGATE public.jsonb_obj_aggc(jsonb) (
   SFUNC=public.jsonb_concat,
   STYPE=jsonb,
   INITCOND='{}'
-);
\ No newline at end of file
+);
+```