====

[plcapi.git] / migrations / README.txt

diff --git a/migrations/README.txt b/migrations/README.txt
index 86adddb..0d14ca7 100644 (file)
--- a/migrations/README.txt
+++ b/migrations/README.txt
@@ -1,3 +1,13 @@
 Store here migration scripts, named
-<nnn>-up-any-text.sql
-with contiguous indices starting with 001
+<nnn>-up-<any-text>.sql
+       handled as a sql script to be run against planetlab5, or
+<nnn>-up-<any-text>.sh
+       which is assumed to be a shell script and is run as is
+
+Another assumption is that 
+ * nnn-up-   script will set subversion number to <nnn>
+ * nnn-down  script will set subversion number to <nnn>-1
+ 
+===
+See the migration script in plc.d/db for how this is used 
+===