Heikki Linnakangas writes:
> On 30/06/2024 12:48, Andy Fan wrote:
>> for example, at the first use of outputTapes[x], it stores (1, 3, 5,
>> 7),
>> and later (2, 4, 6, 8) are put into it. so the overall of (1, 3, 5, 7,
>> 2, 4, 6, 8) are not sorted? Where did I go wrong?
>
> There's a distincti
On 30/06/2024 12:48, Andy Fan wrote:
merge sorts requires all the tuples in each input are pre-sorted (1),
and in tuplesort.c, when the workmem is full, we dumptuples into
destTape. (2). it looks to me that we need a unlimited number of Tapes
if the number of input tuples is big enough. However
Hi,
merge sorts requires all the tuples in each input are pre-sorted (1),
and in tuplesort.c, when the workmem is full, we dumptuples into
destTape. (2). it looks to me that we need a unlimited number of Tapes
if the number of input tuples is big enough. However we set a maxTapes
in 'inittapes'
