Add ItemProperty #805
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Add ItemProperty #805
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mrhhsg
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Oct 4, 2022
* topn detail query optimization: runtime predicate for rows * add missing new files runtime_predicate.h/cpp * topn detail query opt: runtime predicate for segments and pages * topn detail query opt: fe check query to enable opt * do not use topn opt for order by string type * fix nullpointer when check type * support more types and using TypeIndex in runtime_predicate * [enhance-WIP](topn-two-phase) implement topn two phase read (apache#783) * [fix](topn) fix conjunct_expr_root nullptr (apache#794) * [enhance](topn-two-phase) support VOlapScanNode (apache#799) * [enhance](topn) trick setParallelExecNum(1) when using topn optimization (apache#802) * use HeapSorter when _use_topn_opt or no var length field * remove debug log Co-authored-by: Kang <kxiao.tiger@gmail.com>
liaoxin01
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Nov 18, 2022
* Opt perf topn (apache#805) * topn detail query optimization: runtime predicate for rows * add missing new files runtime_predicate.h/cpp * topn detail query opt: runtime predicate for segments and pages * topn detail query opt: fe check query to enable opt * do not use topn opt for order by string type * fix nullpointer when check type * support more types and using TypeIndex in runtime_predicate * [enhance-WIP](topn-two-phase) implement topn two phase read (apache#783) * [fix](topn) fix conjunct_expr_root nullptr (apache#794) * [enhance](topn-two-phase) support VOlapScanNode (apache#799) * [enhance](topn) trick setParallelExecNum(1) when using topn optimization (apache#802) * use HeapSorter when _use_topn_opt or no var length field * remove debug log Co-authored-by: Kang <kxiao.tiger@gmail.com> * [chore](topn-optimize) make code more readable Co-authored-by: Kang <kxiao.tiger@gmail.com>
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