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doris/conf
daidai a233349ea2 [enchement](mc)Optimize reading of maxcompute partition tables. (#45148) (#45246)
bp #45148

### What problem does this PR solve?
Problem Summary:
Optimize reading of maxcompute partition tables:
1. Introduce batch mode to generate splits for Maxcompute partition
tables to optimize scenarios with a large number of partitions. Control
it through the variable `num_partitions_in_batch_mode`.
2. Introduce catalog parameter `mc.split_cross_partition`. The parameter
is true, which is more friendly to reading partition tables, and false,
which is more friendly to debug.
3. Add `-Darrow.enable_null_check_for_get=false` to be jvm to improve
the efficiency of mc arrow data conversion.
2024-12-11 14:56:27 +08:00
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