Add instructions for enabling the `pg_trgm` extension in the production db. As a…

Add instructions for enabling the `pg_trgm` extension in the production db. As a workaround to [a fault during HA setup](https://gitlab.com/gitlab-org/omnibus-gitlab/issues/2501).

Add instructions for enabling the `pg_trgm` extension in the production db. As a…
6039fa61 · Chenjerai Katanda · f81ed493 · 6039fa61
Commit 6039fa61 authored Jul 24, 2017 by Chenjerai Katanda
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database.md doc/administration/high_availability/database.md +5 -2

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--- a/doc/administration/high_availability/database.md
+++ b/doc/administration/high_availability/database.md
@@ -97,9 +97,12 @@ If you use a cloud-managed service, or provide your own PostgreSQL:
    Enter new password:
    Enter it again:
    ```
-
-1. Enable the `pg_trgm` extension:
+1. Exit from editing `template1` prompt by typing `\q` and Enter.
+1. Enable the `pg_trgm` extension within the `gitlabhq_production` database:
+    
    ```
+    gitlab-psql -d gitlabhq_production
+    
    CREATE EXTENSION pg_trgm;

    # Output: