two things:
1.
select count(*) from table where HASH_CODE=hc
and
select count( HASH_CODE) from table where HASH_CODE=hc
are equivalent
2. hash code uniquness is not guaranteed. Say your hash code is 32 bit
signed integer. you could have at most 2^31 distinct hashcodes (roughly 2
billions).
On
On Aug 21, 12:38 pm, Ashish Chugh [EMAIL PROTECTED] wrote:
Few more suggestions,
Instead of
select count(*) from table where HASH_CODE=hc and URL='urlToFind'
to
select count( HASH_CODE) from table where HASH_CODE=hc
is better, since HASH_CODE is unique.
You can cache all hash codes or
