On Thursday 08 April 2010 23:41:20 K. John Wu wrote: > Hi, Andreas, Hi John,
> Thanks for bring up this issue. Our intent is to support queries on
> in-memory data tables. Obviously, we have not done enough testing on
> this feature. I will look into adding a bit more testing for this
> case. Please let us know if you have something simple that we can
> test with.
I have attached a (hopefully) simple testcase.
BTW: I tried to install the latest fastbit snapshot (wanted to verify that it
is still broken in the latest version - currently working with scm-2010-03-03)
and got a compile error:
column.cpp:4667: error: no matching function for call to
‘std::basic_string<char, std::char_traits<char>, std::allocator<char>
>::swap(std::basic_string<char, std::char_traits<char>, std::allocator<char>
>)’
/usr/include/c++/4.4/bits/basic_string.tcc:496: note: candidates are: void
std::basic_string<_CharT, _Traits, _Alloc>::swap(std::basic_string<_CharT,
_Traits, _Alloc>&) [with _CharT = char, _Traits = std::char_traits<char>,
_Alloc = std::allocator<char>]
Lines 4601 and 4634 seem to contain the same error.
Let me know if you need more details.
Kind regards,
Andreas Streichardt
data.tar.gz
Description: application/compressed-tar
#include <ibis.h>
#include <iostream>
using namespace ibis;
void print_table_info(table *tab)
{
std::cout << "Resultset: " << tab->nColumns() << "x" << tab->nRows() << std::endl;
}
int main()
{
part *partition=0;
table *tab=0;
table *in_memory_select=0;
table *select_on_select=0;
try
{
partition=new part("/tmp/test");
if (!partition)
{
std::cout << "Couldn't create partition" << std::endl;
goto cleanup;
}
tab=table::create(*partition);
if (!tab)
{
std::cout << "Couldn't create tab" << std::endl;
goto cleanup;
}
print_table_info(tab);
in_memory_select=tab->select("uid,m_0000","1=1");
if (!in_memory_select)
{
std::cout << "Couldn't create in memory select" << std::endl;
goto cleanup;
}
print_table_info(in_memory_select);
select_on_select=in_memory_select->select("uid","1=1");
if (!select_on_select)
std::cout << "Failure!" << std::endl;
else
print_table_info(select_on_select);
}
catch (const std::exception& e)
{
std::cout << "Got an exception: " << e.what() << std::cout;
}
catch (char *s)
{
std::cout << "Got a string exception: " << s << std::endl;
}
cleanup:
if (select_on_select)
delete select_on_select;
if (in_memory_select)
delete in_memory_select;
if (tab)
delete tab;
if (partition)
delete partition;
}
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