setop/sqlite-parquet-vtable
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add row filter for string ==

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This gets the census `== 'Dawson Creek'` query down to ~410ms from
~650ms.

That still seems much slower than it should be. Am I accidentally
doing a copy? Now to go learn how to profile C++ code...
This commit is contained in:
Colin Dellow
2018-03-15 21:37:52 -04:00
parent 6648ff5968
commit f7f1ed03d1
4 changed files with 68 additions and 12 deletions
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13
parquet/parquet_cursor.h
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@@ -35,10 +35,15 @@ class ParquetCursor {
bool currentRowSatisfiesFilter();
bool currentRowGroupSatisfiesFilter();
bool currentRowGroupSatisfiesRowIdFilter(Constraint constraint);
bool currentRowGroupSatisfiesTextFilter(Constraint constraint, std::shared_ptr<parquet::RowGroupStatistics> stats);
bool currentRowGroupSatisfiesIntegerFilter(Constraint constraint, std::shared_ptr<parquet::RowGroupStatistics> stats);
bool currentRowGroupSatisfiesDoubleFilter(Constraint constraint, std::shared_ptr<parquet::RowGroupStatistics> stats);
bool currentRowGroupSatisfiesRowIdFilter(Constraint& constraint);
bool currentRowGroupSatisfiesTextFilter(Constraint& constraint, std::shared_ptr<parquet::RowGroupStatistics> stats);
bool currentRowGroupSatisfiesIntegerFilter(Constraint& constraint, std::shared_ptr<parquet::RowGroupStatistics> stats);
bool currentRowGroupSatisfiesDoubleFilter(Constraint& constraint, std::shared_ptr<parquet::RowGroupStatistics> stats);
bool currentRowSatisfiesTextFilter(Constraint& constraint);
bool currentRowSatisfiesIntegerFilter(Constraint& constraint);
bool currentRowSatisfiesDoubleFilter(Constraint& constraint);
public:
ParquetCursor(ParquetTable* table);