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Posted to dev@hive.apache.org by "Jian Fang (JIRA)" <ji...@apache.org> on 2014/07/23 00:12:38 UTC
[jira] [Updated] (HIVE-7476) CTAS does not work properly for s3
[ https://issues.apache.org/jira/browse/HIVE-7476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jian Fang updated HIVE-7476:
----------------------------
Description:
When we use CTAS to create a new table in s3, the table location is not set correctly. As a result, the data from the existing table cannot be inserted into the new created table.
We can use the following example to reproduce this issue.
set hive.metastore.warehouse.dir=OUTPUT_PATH;
drop table s3_dir_test;
drop table s3_1;
drop table s3_2;
create external table s3_dir_test(strct struct<a:int, b:string, c:string>)
row format delimited
fields terminated by '\t'
collection items terminated by ' '
location 'INPUT_PATH';
create table s3_1(strct struct<a:int, b:string, c:string>)
row format delimited
fields terminated by '\t'
collection items terminated by ' ';
insert overwrite table s3_1 select * from s3_dir_test;
select * from s3_1;
create table s3_2 as select * from s3_1;
select * from s3_1;
select * from s3_2;
The data could be as follows.
1 abc 10.5
2 def 11.5
3 ajss 90.23232
4 djns 89.02002
5 random 2.99
6 data 3.002
7 ne 71.9084
The root cause is that the SemanticAnalyzer class did not handle s3 location properly for CTAS.
A patch will be provided shortly.
was:
When we use CTAS to create a new table in s3, the table location is not set correctly. As a result, the data from the existing table cannot be inserted into the new created table.
We can use the following example to reproduce this issue.
set hive.metastore.warehouse.dir=${OUTPUT};
drop table s3_dir_test;
drop table s3_1;
drop table s3_2;
create external table s3_dir_test(strct struct<a:int, b:string, c:string>)
row format delimited
fields terminated by '\t'
collection items terminated by ' '
location '${INPUT}';
create table s3_1(strct struct<a:int, b:string, c:string>)
row format delimited
fields terminated by '\t'
collection items terminated by ' ';
insert overwrite table s3_1 select * from s3_dir_test;
select * from s3_1;
create table s3_2 as select * from s3_1;
select * from s3_1;
select * from s3_2;
The data could be as follows.
1 abc 10.5
2 def 11.5
3 ajss 90.23232
4 djns 89.02002
5 random 2.99
6 data 3.002
7 ne 71.9084
The root cause is that the SemanticAnalyzer class did not handle s3 location properly for CTAS.
A patch will be provided shortly.
> CTAS does not work properly for s3
> ----------------------------------
>
> Key: HIVE-7476
> URL: https://issues.apache.org/jira/browse/HIVE-7476
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.13.1
> Environment: Linux
> Reporter: Jian Fang
>
> When we use CTAS to create a new table in s3, the table location is not set correctly. As a result, the data from the existing table cannot be inserted into the new created table.
> We can use the following example to reproduce this issue.
> set hive.metastore.warehouse.dir=OUTPUT_PATH;
> drop table s3_dir_test;
> drop table s3_1;
> drop table s3_2;
> create external table s3_dir_test(strct struct<a:int, b:string, c:string>)
> row format delimited
> fields terminated by '\t'
> collection items terminated by ' '
> location 'INPUT_PATH';
> create table s3_1(strct struct<a:int, b:string, c:string>)
> row format delimited
> fields terminated by '\t'
> collection items terminated by ' ';
> insert overwrite table s3_1 select * from s3_dir_test;
> select * from s3_1;
> create table s3_2 as select * from s3_1;
> select * from s3_1;
> select * from s3_2;
> The data could be as follows.
> 1 abc 10.5
> 2 def 11.5
> 3 ajss 90.23232
> 4 djns 89.02002
> 5 random 2.99
> 6 data 3.002
> 7 ne 71.9084
> The root cause is that the SemanticAnalyzer class did not handle s3 location properly for CTAS.
> A patch will be provided shortly.
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