X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/e5cb5d439dadf6308f4e09b116613c75d8a7d788..c148b768f4926d578c499d24d93dbf6ea5b0b7e2:/docs/admin/Migration.md

diff --git a/docs/admin/Migration.md b/docs/admin/Migration.md
index e3b7c0ea..6ae7a927 100644
--- a/docs/admin/Migration.md
+++ b/docs/admin/Migration.md
@@ -9,6 +9,18 @@ SQL statements should be executed from the postgres commandline. Execute
 
 ## 3.2.0 -> master
 
+### New database connection string (DSN) format
+
+Previously database connection setting (`CONST_Database_DSN` in `settings/*.php`) had the format
+
+   * (simple) `pgsql://@/nominatim`
+   * (complex) `pgsql://johndoe:secret@machine1.domain.com:1234/db1`
+
+The new format is
+
+   * (simple) `pgsql:dbname=nominatim`
+   * (complex) `pgsql:dbname=db1;host=machine1.domain.com;port=1234;user=johndoe;password=secret`
+
 ### Natural Earth country boundaries no longer needed as fallback
 
 ```
@@ -21,6 +33,14 @@ Finally, update all SQL functions:
 ./utils/setup.php --create-functions --enable-diff-updates --create-partition-functions
 ```
 
+### Configurable Address Levels
+
+The new configurable address levels require a new table. Create it with the
+following command:
+
+```sh
+./utils/update.php --update-address-levels
+```
 
 ## 3.1.0 -> 3.2.0