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[improvement](statistics)Do not collect min max for agg table value columns while doing sample analyze #29483
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run buildall |
TPC-H test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G', run with scripts in https://github.com/apache/doris/tree/master/tools/tpch-tools
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TPC-H test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G', run with scripts in https://github.com/apache/doris/tree/master/tools/tpch-tools
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TPC-DS test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G', run with scripts in https://github.com/apache/doris/tree/master/tools/tpcds-tools
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(From new machine)TeamCity pipeline, clickbench performance test result: |
PR approved by at least one committer and no changes requested. |
PR approved by anyone and no changes requested. |
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LGTM
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LGTM
run pipelinex_p0 |
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LGTM
While doing sample analyze for agg table value columns, skip collecting min/max value, because these columns couldn't use zonemap, we don't want to scan the whole table while sampling.
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If this is a relatively large or complex change, kick off the discussion at [email protected] by explaining why you chose the solution you did and what alternatives you considered, etc...