fotonszekta(at)gmail(dot)com writes:
> I tried on 9.5, and it's throws an error:
> ERROR: syntax error at or near "="
> LINE 1: SELECT FALSE = FALSE = TRUE;
> ^
> (the error is at the second '=')
> It's maybe related to "Adjust operator precedence to match the SQL
> standard"
Yes, that's an intentional change. If you actually intend this
and it's not just a typo, add parentheses.
regards, tom lane