From 5d5d15e7a389abbe1284c9abc640aaa01ecb7e0b Mon Sep 17 00:00:00 2001 From: Dale Hui Date: Mon, 9 Jul 2018 19:25:29 -0700 Subject: [PATCH] Link to comparison of transactional DDLs --- MIGRATIONS.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/MIGRATIONS.md b/MIGRATIONS.md index f0633ec..8363887 100644 --- a/MIGRATIONS.md +++ b/MIGRATIONS.md @@ -52,8 +52,8 @@ files, and either leaving them empty or adding a comment as appropriate. The format of the migration files themselves varies between database systems. Different databases have different semantics around schema changes and when and -how they are allowed to occur (for instance, if schema changes can occur within -a transaction). +how they are allowed to occur +(for instance, [if schema changes can occur within a transaction](https://wiki.postgresql.org/wiki/Transactional_DDL_in_PostgreSQL:_A_Competitive_Analysis)). As such, the `migrate` library has little to no checking around the format of migration sources. The migration files are generally processed directly by the