[opt](mysql serde) Avoid core dump when converting invalid block to mysql result #28069
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| for (int i = 0; i < _output_vexpr_ctxs.size(); ++i) { | ||
| RETURN_IF_ERROR(arguments[i].serde->write_column_to_mysql( | ||
| *(arguments[i].column), row_buffer, row_idx, arguments[i].is_const)); | ||
| for (size_t row_idx = 0; row_idx < num_rows; ++row_idx) { |
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My fault.
Check loop is divided from for loop and placed in the front.
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clang-tidy review says "All clean, LGTM! 👍" |
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TPC-H test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G' |
TPC-H test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G' |
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| const auto col_index = index_check_const(row_idx, col_const); | ||
| const auto row_idx_of_col_arr = index_check_const(row_idx_of_mysql, col_const); | ||
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| if (column_array.size() <= row_idx_of_col_arr) { |
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I do not think here should add this check, if here add , string serde should add same check too.
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Yes, we should add check for all serde if we can.
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if u add array , do same with map too.
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check is removed since it is checked per row.
this pr just fixed mysql result writer, and we have other writer types, maybe they are subjected to the same problem
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clang-tidy review says "All clean, LGTM! 👍" |
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(From new machine)TeamCity pipeline, clickbench performance test result: |
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…ysql result (apache#28069) BE will core dump if result block is invalid when we doing result serialization. An existing bug case is described in apache#28030, so we add check branch to avoid BE core dump due to out of range related problem.
…ysql result (apache#28069) BE will core dump if result block is invalid when we doing result serialization. An existing bug case is described in apache#28030, so we add check branch to avoid BE core dump due to out of range related problem.
BE will core dump if result block is invalid when we doing result serialization.
An existing bug case is described in #28030, so we add check branch to avoid BE core dump due to out of range related problem.