| void Impala::Core::Table::SortOnColumn1 | ( | TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T > * | t, | |
| bool | ascending | |||
| ) |
Definition at line 46 of file Sort.h.
References Impala::Util::ApplyOrder(), Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::GetColumn1(), Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::GetColumn2(), Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::GetColumn3(), Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::GetColumn4(), Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::GetColumn5(), Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::GetColumn6(), Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::GetColumn7(), Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::GetColumn8(), Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::GetColumn9(), Impala::Util::QuickSortCo(), Impala::Util::QuickSortDescCo(), and Impala::Core::Table::Table::Size().
Referenced by Sort().
00047 { 00048 int i; 00049 ColumnInt32 rank(t->Size()); 00050 for(i=0 ; i<t->Size() ; i++) 00051 rank.Set(i, i); 00052 00053 if(ascending) 00054 Util::QuickSortCo(t->GetColumn1()->GetData(), rank.GetData(), 0, t->Size()-1); 00055 else 00056 Util::QuickSortDescCo(t->GetColumn1()->GetData(), rank.GetData(), 0, t->Size()-1); 00057 00058 /* compute order from the rank, so fill an array with numbers 00059 at the positions they are found in the array 'rank'. 00060 this is the 'inverse of the ordering' so to say... */ 00061 ColumnInt32 order(t->Size()); 00062 for(i=0 ; i<t->Size() ; i++) 00063 order.Set(rank.Get(i), i); 00064 00065 ApplyOrder(t->GetColumn2(), &order); 00066 ApplyOrder(t->GetColumn3(), &order); 00067 ApplyOrder(t->GetColumn4(), &order); 00068 ApplyOrder(t->GetColumn5(), &order); 00069 ApplyOrder(t->GetColumn6(), &order); 00070 ApplyOrder(t->GetColumn7(), &order); 00071 ApplyOrder(t->GetColumn8(), &order); 00072 ApplyOrder(t->GetColumn9(), &order); 00073 }
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