Craig Ringer <cr...@postnewspapers.com.au> writes: > Pavel Stehule wrote: >> these queries are executed in some special mode, but still it is more >> expensive than C a = a + 1
> ... and may have different rules, so you can't just write a simple "map > expressions to C equivalents" arithmetic evaluator. Yeah. As an example, overflow is supposed to be caught in "a + 1", unlike what would happen in C. In principle you could map some of the builtin operators into inline code, but it would be a great deal of work and the results would be un-portable. regards, tom lane -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql