[fix](hive) support partition prune for _HIVE_DEFAULT_PARTITION_#31736
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morningman merged 2 commits intoapache:masterfrom Mar 5, 2024
Merged
[fix](hive) support partition prune for _HIVE_DEFAULT_PARTITION_#31736morningman merged 2 commits intoapache:masterfrom
morningman merged 2 commits intoapache:masterfrom
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Thank you for your contribution to Apache Doris. |
starocean999
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Mar 4, 2024
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PR approved by at least one committer and no changes requested. |
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run buildall |
morrySnow
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Mar 5, 2024
TPC-H: Total hot run time: 38042 ms |
zddr
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Mar 5, 2024
| // If any partition key is hive default partition, return true. | ||
| // Only used for hive table. | ||
| public boolean isHiveDefaultPartition() { | ||
| for (PartitionKey partitionKey : partitionKeys) { |
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isDefaultPartition() not need delete?
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No, isDefaultPartition() is for other cases.
"default" partition is not "null" partition.
the _HIVE_DEFAULT_PARTITION_ is actually "null" partition in Doris
TPC-DS: Total hot run time: 176748 ms |
ClickBench: Total hot run time: 31.11 s |
zddr
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Mar 5, 2024
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Load test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G' |
yiguolei
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Mar 6, 2024
) This PR #23026 support the partition prune for hive table with `_HIVE_DEFAULT_PARTITION`, but it will always select partition with `_HIVE_DEFAULT_PARTITION`. This PR #31613 support null partition for olap table's list partition, so we can treat `_HIVE_DEFAULT_PARTITION` as null partition of hive table. So this PR change the partition prune logic
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Proposed changes
This PR #23026 support the partition prune for hive table with
_HIVE_DEFAULT_PARTITION,but it will always select partition with
_HIVE_DEFAULT_PARTITION.This PR #31613 support null partition for olap table's list partition, so we can treat
_HIVE_DEFAULT_PARTITIONas null partition of hive table.
So this PR change the partition prune logic
Further comments
If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...