| void Impala::Core::Table::SortOnColumn3 | ( | TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T > * | t, | |
| bool | ascending | |||
| ) |
Definition at line 108 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().
00109 { 00110 int i; 00111 ColumnInt32 rank(t->Size()); 00112 for(i=0 ; i<t->Size() ; i++) 00113 rank.Set(i, i); 00114 00115 if(ascending) 00116 Util::QuickSortCo(t->GetColumn3()->GetData(), rank.GetData(), 0, t->Size()-1); 00117 else 00118 Util::QuickSortDescCo(t->GetColumn3()->GetData(), rank.GetData(), 0, t->Size()-1); 00119 00120 /* compute order from the rank, so fill an array with numbers 00121 at the positions they are found in the array 'rank'. 00122 this is the 'inverse of the ordering' so to say... */ 00123 ColumnInt32 order(t->Size()); 00124 for(i=0 ; i<t->Size() ; i++) 00125 order.Set(rank.Get(i), i); 00126 00127 ApplyOrder(t->GetColumn1(), &order); 00128 ApplyOrder(t->GetColumn2(), &order); 00129 ApplyOrder(t->GetColumn4(), &order); 00130 ApplyOrder(t->GetColumn5(), &order); 00131 ApplyOrder(t->GetColumn6(), &order); 00132 ApplyOrder(t->GetColumn7(), &order); 00133 ApplyOrder(t->GetColumn8(), &order); 00134 ApplyOrder(t->GetColumn9(), &order); 00135 }
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