RE: Libpq support to connect to standby server as priority

From: Haribabu Kommi [mailto:kommi.haribabu@gmail.com]
Here I attached first set of patches that implemented the prefer-read option
> after reporting the transaction_read_only GUC to client. Along the lines
> of adding prefer-read option patch,

Great, thank you!  I'll review and test it.


> 3. Existing read-write code is modified to use the new reported GUC instead
> of executing the show command.

Is the code path left to use SHOW for older servers?


Regards
Takayuki Tsunakawa