From 01f9c73f0140a60b83e77ad778bdbe4695c235cf Mon Sep 17 00:00:00 2001
From: Brad Erickson <bderickson@gmail.com>
Date: Sat, 18 Apr 2020 00:32:06 -0700
Subject: [PATCH] fixup! feat: Update SERIAL sequence after INSERT queries

---
 cmd/axon/schema.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cmd/axon/schema.go b/cmd/axon/schema.go
index 4b680862..b06288b2 100644
--- a/cmd/axon/schema.go
+++ b/cmd/axon/schema.go
@@ -109,6 +109,10 @@ func isSerialColumn(table, column string) bool {
 }
 
 func updateSerialColumnSequence(conn *sqlx.DB, table string, columns []*warppipe.ChangesetColumn) error {
+	// Why no transaction? From the manual: Important: Because sequences are
+	// non-transactional, changes made by setval are not undone if the transaction
+	// rolls back.
+	// ref: https://www.postgresql.org/docs/9.6/functions-sequence.html
 	for _, column := range columns {
 		if !isSerialColumn(table, column.Column) {
 			continue