I wrote:
> I no longer use state variables to track scanner state, and in fact I
> removed the existing "state_before" variable in ECPG. Instead, I used
> the Flex builtins yy_push_state(), yy_pop_state(), and yy_top_state().
> These have been a feature for a long time, it seems, so I think we're
> okay as far as portability. I think it's cleaner this way, and
> possibly faster.
I thought I should get some actual numbers to test, and the results
are encouraging:
master v10
info 1.56s 1.51s
str 1.18s 1.14s
unicode 1.33s 1.34s
uescape 1.44s 1.58s
--
John Naylor https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
