From 2421e6fc2cdc5cc63c4eeb358a7797c07524d96d Mon Sep 17 00:00:00 2001
From: Zach Daniel <zach@zachdaniel.dev>
Date: Sun, 12 May 2024 12:50:13 -0400
Subject: [PATCH] fix: properly parse previous version from migration
 generation

---
 lib/migration_generator/migration_generator.ex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/migration_generator/migration_generator.ex b/lib/migration_generator/migration_generator.ex
index 33899e6..424fdac 100644
--- a/lib/migration_generator/migration_generator.ex
+++ b/lib/migration_generator/migration_generator.ex
@@ -254,7 +254,7 @@ defmodule AshPostgres.MigrationGenerator do
             {ext_name, _version, up_fn, _down_fn} when is_function(up_fn, 1) ->
               current_version =
                 Enum.find_value(extensions_snapshot[:installed] || [], 0, fn name ->
-                  with ["", "v" <> version] <- String.split(name, to_string(ext_name)),
+                  with ["", "_v" <> version] <- String.split(name, to_string(ext_name)),
                        {integer, ""} <- Integer.parse(version) do
                     integer
                   else