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https://issues.apache.org/jira/browse/HIVE-22323?focusedWorklogId=328163&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-328163
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ASF GitHub Bot logged work on HIVE-22323:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Oct/19 21:26
Start Date: 14/Oct/19 21:26
Worklog Time Spent: 10m
Work Description: miklosgergely commented on pull request #813:
HIVE-22323 Fix Desc Table bugs
URL: https://github.com/apache/hive/pull/813#discussion_r334401590
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File path: ql/src/test/results/clientpositive/autoColumnStats_5.q.out
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@@ -202,19 +202,19 @@ PREHOOK: Input: default@partitioned1_n1
POSTHOOK: query: desc formatted partitioned1_n1 partition(part=1) a
POSTHOOK: type: DESCTABLE
POSTHOOK: Input: default@partitioned1_n1
-col_name data_type min max num_nulls distinct_count
avg_col_len max_col_len num_trues num_falses bitvector
comment
Review comment:
If there are no statistics available then there is the regular header added
by TextMetaDataFormatter during the table creation, and still the fetch task
adds the header with the statistics to the table. If there are statistics then
TextMetaDataFormatter doesn't add any header, it transposes the table, and then
the fetch task adds the long header - which is still bad. Both of these are
fixed in the patch.
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Issue Time Tracking
-------------------
Worklog Id: (was: 328163)
Time Spent: 1h (was: 50m)
> Fix Desc Table bugs
> -------------------
>
> Key: HIVE-22323
> URL: https://issues.apache.org/jira/browse/HIVE-22323
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Miklos Gergely
> Assignee: Miklos Gergely
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Attachments: HIVE-22323.01.patch, HIVE-22323.02.patch,
> HIVE-22323.03.patch, HIVE-22323.04.patch, HIVE-22323.05.patch
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> DESC TABLE operation is having the following bugs:
> # Whole table descs have two headers.
> # Table column desc has incorrect long header, while the table is transposed
> having the headers in the first column.
> # Json formatted data also has the headers.
> # Json formatted data doesn't have the column statistics in it.
> # There is no TestBeeLineDriver test for desc table, thus the actual output
> is not tested, just some intermediary.
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