John R Pierce <pie...@hogranch.com> writes:
> odds are pretty good that...
> |PQserverVersion|
> Returns an integer representing the backend version.
> int PQserverVersion(const PGconn *conn);
> Actually invokes `show server_version_num;'
Just for the record, it doesn't invoke that; it doesn't have to, because
the server sends that info at connection start and libpq just saves it.
But either way should always give the same answer.
> Applications might use this function to determine the version of the
> database server they are connected to. The number is formed by
> converting the major, minor, and revision numbers into
> two-decimal-digit numbers and appending them together. For example,
> version 8.1.5 will be returned as 80105, and version 8.2 will be
> returned as 80200 (leading zeroes are not shown). Zero is returned
> if the connection is bad.
Hm, we need to update that text for the new 2-part version numbering
scheme, don't we?
regards, tom lane
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