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https://issues.apache.org/jira/browse/HIVE-4213?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gang Tim Liu resolved HIVE-4213.
--------------------------------
Resolution: Not A Problem
> List bucketing error too restrictive
> ------------------------------------
>
> Key: HIVE-4213
> URL: https://issues.apache.org/jira/browse/HIVE-4213
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.10.0
> Reporter: Mark Grover
> Assignee: Gang Tim Liu
> Fix For: 0.11.0
>
>
> With the introduction of List bucketing, we introduced a config validation
> step where we say:
> {code}
> SUPPORT_DIR_MUST_TRUE_FOR_LIST_BUCKETING(
> 10199,
> "hive.mapred.supports.subdirectories must be true"
> + " if any one of following is true:
> hive.internal.ddl.list.bucketing.enable,"
> + " hive.optimize.listbucketing and mapred.input.dir.recursive"),
> {code}
> This seems overly restrictive to because there are use cases where people may
> want to use {{mapred.input.dir.recursive}} to {{true}} even when they don't
> care about list bucketing.
> Is that not true?
> For example, here is the unit test code for {{clientpositive/recursive_dir.q}}
> {code}
> CREATE TABLE fact_daily(x int) PARTITIONED BY (ds STRING);
> CREATE TABLE fact_tz(x int) PARTITIONED BY (ds STRING, hr STRING)
> LOCATION 'pfile:${system:test.tmp.dir}/fact_tz';
> INSERT OVERWRITE TABLE fact_tz PARTITION (ds='1', hr='1')
> SELECT key+11 FROM src WHERE key=484;
> ALTER TABLE fact_daily SET TBLPROPERTIES('EXTERNAL'='TRUE');
> ALTER TABLE fact_daily ADD PARTITION (ds='1')
> LOCATION 'pfile:${system:test.tmp.dir}/fact_tz/ds=1';
> set hive.mapred.supports.subdirectories=true;
> set mapred.input.dir.recursive=true;
> set hive.input.format=org.apache.hadoop.hive.ql.io.HiveInputFormat;
> SELECT * FROM fact_daily WHERE ds='1';
> SELECT count(1) FROM fact_daily WHERE ds='1';
> {code}
> The unit test doesn't seem to be concerned about list bucketing but wants to
> set {{mapred.input.dir.recursive}} to {{true}}.
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