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Posted to issues@hawq.apache.org by "zhenglin tao (JIRA)" <ji...@apache.org> on 2017/05/22 13:54:04 UTC
[jira] [Created] (HAWQ-1470) Wrong result in subplan + externalscan
zhenglin tao created HAWQ-1470:
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Summary: Wrong result in subplan + externalscan
Key: HAWQ-1470
URL: https://issues.apache.org/jira/browse/HAWQ-1470
Project: Apache HAWQ
Issue Type: Bug
Components: External Tables
Reporter: zhenglin tao
Assignee: Ed Espino
Reproduce steps:
```
CREATE EXTERNAL TABLE testext ( a int, b character varying(255) ) LOCATION ( 'gpfdist://localhost:8081/test.csv' ) FORMAT 'text' (delimiter E',' null E'' escape E'OFF');
file content is:
1,abc
2,bce
3,ced
create table test1(c int);
insert into test1 values(1);
insert into test1 values(2);
insert into test1 values(3);
insert into test1 values(4);
select c,(select s.b from testext s where t.c=s.a) from test1 t;
c | ?column?
---+----------
1 |
2 |
3 |
4 |
(4 rows)
```
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