On 2016-09-07 13:44:28 -0400, Tom Lane wrote:
> +   <sect2>
> +    <title>Installing Extensions using Update Scripts</title>
> +
> +    <para>
> +     An extension that has been around for awhile will probably exist in

Wanted to cry typo for 'awhile' here, but apparently that's actually a
word. The German in me is pleased.


> +     several versions, for which the author will need to write update 
> scripts.
> +     For example, if you have released a <literal>foo</> extension in
> +     versions <literal>1.0</>, <literal>1.1</>, and <literal>1.2</>, there
> +     should be update scripts <filename>foo--1.0--1.1.sql</>
> +     and <filename>foo--1.1--1.2.sql</>.
> +     Before <productname>PostgreSQL</> 10, it was necessary to create new
> +     script files <filename>foo--1.1.sql</> and <filename>foo--1.2.sql</>
> +     containing the same changes, or else the newer versions could not be

Maybe replace "same changes" "directly creating the extension's
contents" or such?

- Andres


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