Harjyot Bagga <hsbagga28....@gmail.com> writes: > One such suggestion or rule for example is the Postgres does not support > Postfix operators. So whenever a new feature is introduced developers make > sure that they do not add a postfix operators in their grammar. Just like > that are there any other further rules or suggestions compiled by post > hackers and maintainers?
[ shrug... ] If you try to re-introduce postfix operators you'll get a ton of shift-reduce conflicts. We have a hard rule that such conflicts are not allowed, even though Bison can be told to ignore them. Beyond that, there's not much. regards, tom lane