Details
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Bug
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Status: Open
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Critical
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Resolution: Unresolved
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None
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None
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None
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None
Description
Running on a regular CLI driver
CREATE TABLE src_bucket(key STRING, value STRING) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS;
insert into table src_bucket select key,value from srcpart limit 10;
dfs -ls ${hiveconf:hive.metastore.warehouse.dir}/src_bucket/;
select *, INPUT__FILE__NAME from src_bucket;
select * from src_bucket tablesample (bucket 1 out of 2) s;
select * from src_bucket tablesample (bucket 2 out of 2) s;
insert into table src_bucket select key,value from srcpart limit 10;
dfs -ls ${hiveconf:hive.metastore.warehouse.dir}/src_bucket/;
select *, INPUT__FILE__NAME from src_bucket;
select * from src_bucket tablesample (bucket 1 out of 2) s;
select * from src_bucket tablesample (bucket 2 out of 2) s;
Results in the following (with masking disabled and grepping away the noise).
Looks like bucket mapping completely breaks due to extra files, which may have implications for all the optimizations that depend on them.
This should work or at least fail if this is not supported.
PREHOOK: query: CREATE TABLE src_bucket(key STRING, value STRING) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS PREHOOK: query: insert into table src_bucket select key,value from srcpart limit 10 Found 2 items -rwxr-xr-x 1 sergey staff 46 2016-10-14 16:09 pfile:///Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 -rwxr-xr-x 1 sergey staff 68 2016-10-14 16:09 pfile:///Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 PREHOOK: query: select *, INPUT__FILE__NAME from src_bucket 165 val_165 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 255 val_255 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 484 val_484 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 86 val_86 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 238 val_238 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 27 val_27 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 278 val_278 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 311 val_311 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 409 val_409 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 98 val_98 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 PREHOOK: query: select * from src_bucket tablesample (bucket 1 out of 2) s 165 val_165 255 val_255 484 val_484 86 val_86 PREHOOK: query: select * from src_bucket tablesample (bucket 2 out of 2) s 238 val_238 27 val_27 278 val_278 311 val_311 409 val_409 98 val_98
So far so good.
PREHOOK: query: insert into table src_bucket select key,value from srcpart limit 10 Found 4 items -rwxr-xr-x 1 sergey staff 46 2016-10-14 16:09 pfile:///Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 -rwxr-xr-x 1 sergey staff 46 2016-10-14 16:09 pfile:///Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0_copy_1 -rwxr-xr-x 1 sergey staff 68 2016-10-14 16:09 pfile:///Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 -rwxr-xr-x 1 sergey staff 68 2016-10-14 16:09 pfile:///Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 PREHOOK: query: select *, INPUT__FILE__NAME from src_bucket 165 val_165 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 255 val_255 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 484 val_484 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 86 val_86 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 165 val_165 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0_copy_1 255 val_255 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0_copy_1 484 val_484 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0_copy_1 86 val_86 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0_copy_1 238 val_238 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 27 val_27 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 278 val_278 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 311 val_311 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 409 val_409 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 98 val_98 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 238 val_238 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 27 val_27 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 278 val_278 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 311 val_311 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 409 val_409 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 98 val_98 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 PREHOOK: query: select * from src_bucket tablesample (bucket 1 out of 2) s 165 val_165 255 val_255 484 val_484 86 val_86 PREHOOK: query: select * from src_bucket tablesample (bucket 2 out of 2) s