[Feature] Implements ORC lazy materialization. #56
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kaka11chen
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May 7, 2023
- Implements ORC lazy materialization, integrate with the implementation of apache/doris-thirdparty#56 and apache/doris-thirdparty#62. - Refactor code: Move `execute_conjuncts()` and `execute_conjuncts_and_filter_block()` in `parquet_group_reader `to `VExprContext`, used by parquet reader and orc reader. - Add session variable `enable_parquet_lazy_materialization` and `enable_orc_lazy_materialization` to control whether enable lazy materialization.
morningman
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May 9, 2023
- Implements ORC lazy materialization, integrate with the implementation of apache/doris-thirdparty#56 and apache/doris-thirdparty#62. - Refactor code: Move `execute_conjuncts()` and `execute_conjuncts_and_filter_block()` in `parquet_group_reader `to `VExprContext`, used by parquet reader and orc reader. - Add session variables `enable_parquet_lazy_materialization` and `enable_orc_lazy_materialization` to control whether enable lazy materialization. - Modify `build.sh` to update apache-orc submodule or download package every time.
Reminiscent
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May 15, 2023
…#18615) - Implements ORC lazy materialization, integrate with the implementation of apache/doris-thirdparty#56 and apache/doris-thirdparty#62. - Refactor code: Move `execute_conjuncts()` and `execute_conjuncts_and_filter_block()` in `parquet_group_reader `to `VExprContext`, used by parquet reader and orc reader. - Add session variables `enable_parquet_lazy_materialization` and `enable_orc_lazy_materialization` to control whether enable lazy materialization. - Modify `build.sh` to update apache-orc submodule or download package every time.
Reminiscent
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May 15, 2023
…#18615) - Implements ORC lazy materialization, integrate with the implementation of apache/doris-thirdparty#56 and apache/doris-thirdparty#62. - Refactor code: Move `execute_conjuncts()` and `execute_conjuncts_and_filter_block()` in `parquet_group_reader `to `VExprContext`, used by parquet reader and orc reader. - Add session variables `enable_parquet_lazy_materialization` and `enable_orc_lazy_materialization` to control whether enable lazy materialization. - Modify `build.sh` to update apache-orc submodule or download package every time.
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Refer to orc java implementation: LazyIO of non-filter columns in the presence of filters
Note: Row-level filtering by selection vector is currently not implemented, will do it in future PR.