Add note about extension needing to be installed before it can be upgraded to

This commit is contained in:
Sandro Santilli 2014-06-04 10:16:42 +02:00
parent d762da1ca2
commit c286727181

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@ -67,6 +67,9 @@ is done using ALTER EXTENSION.
ALTER EXTENSION cartodb UPDATE TO '0.1.1';
```
The target version needs to be installed on the system first
(see Install section).
If the "TO 'x.y.z'" part is omitted, the extension will be updated to the
latest installed version, which you can find with the following command: