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branch-3.1: [fix](iceberg)Use the correct schema for query (#50376) #52219
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run buildall |
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run buildall |
TPC-H: Total hot run time: 39284 ms |
TPC-DS: Total hot run time: 196086 ms |
ClickBench: Total hot run time: 29.59 s |
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Followup apache#49956 Problem Summary: When a snapshot is specified in the query, the corresponding schema should be used for parsing, otherwise the latest snapshot should be used for parsing. 1. When using the HMS type, you also need to initialize the executor pool. 2. Set the size of the thread pool to be equal to the number of cores of the current machine. 3. When no snapshot is specified, the latest schema is used. 4. When specifying a snapshot, you need to use the schema corresponding to the snapshot. 5. When generating a scannode, save the schema information and no longer obtain it from the cache to prevent the cache from being refreshed. 6. When refreshing the schema, you need to refresh all schemas of related tables.
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morrySnow
approved these changes
Jul 1, 2025
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bp #50376