Vik Fearing <vik@postgresfriends.org> writes:
> On 1/16/21 4:32 PM, Andreas Karlsson wrote:
>> On 1/16/21 2:02 PM, Vik Fearing wrote:
>>> I am in favor of such a change so that we can also accept 1_000_000
>>> which currently parses as "1 AS _000_000" (which also isn't compliant
>>> because identifiers cannot start with an underscore, but I don't want to
>>> take it that far).
>>> It would also allow us to have 0xdead_beef, 0o_777, and 0b1010_0000_1110
>>> without most of it being interpreted as an alias.
>> That would be a nice feature. Is it part of the SQL standard?
> Yes, all of that is in the standard.
Really? Please cite chapter and verse. AFAICS in SQL:2011 5.3 <literal>,
a numeric literal can't contain any extraneous characters, just sign,
digits, optional decimal point, and optional exponent. Hex and octal
literals are certainly not there either.
regards, tom lane