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https://issues.apache.org/jira/browse/PIG-305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12613684#action_12613684
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Santhosh Srinivasan commented on PIG-305:
-----------------------------------------
A debug output for the above query without the store command is given below.
The post-parse logical plan looks fine.
{noformat}
08/07/15 10:55:01 INFO parser.QueryParser: Generate Inputs: [(Name: SORT
Test-Plan-Builder-5 Operator Key: Test-Plan-Builder-5)]
08/07/15 10:55:01 INFO parser.QueryParser: Generate Input required
08/07/15 10:55:01 INFO parser.QueryParser: Connected (Name: SORT
Test-Plan-Builder-5 Operator Key: Test-Plan-Builder-5) to (Name: Project
Test-Plan-Builder-6 Projections: [*] Overloaded: false Operator Key:
Test-Plan-Builder-6)
Printing the logical plan
ForEach Test-Plan-Builder-8 Schema: {bytearray} Type: bag
| |
| Project Test-Plan-Builder-6 Projections: [*] Overloaded: false
FieldSchema: c1: tuple Type: tuple
| Input: SORT Test-Plan-Builder-5|
| |---SORT Test-Plan-Builder-5 Schema: null Type: bag
| | |
| | Project Test-Plan-Builder-4 Projections: [*] Overloaded: false
FieldSchema: a: bag Type: bag
| | Input: Project Test-Plan-Builder-3 Projections: [1] Overloaded: fals
| |
| |---Project Test-Plan-Builder-3 Projections: [1] Overloaded: false
FieldSchema: a: bag Type: bag
| Input: CoGroup Test-Plan-Builder-2
|
|---CoGroup Test-Plan-Builder-2 Schema: {group: bytearray,a: {null}} Type:
Unknown
| |
| Project Test-Plan-Builder-1 Projections: [0] Overloaded: false
FieldSchema: bytearray Type: bytearray
| Input: Load Test-Plan-Builder-
|
|---Load Test-Plan-Builder-0 Schema: null Type: bag
{noformat}
> Nested order by queries return only one key instead of all keys
> ---------------------------------------------------------------
>
> Key: PIG-305
> URL: https://issues.apache.org/jira/browse/PIG-305
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: types_branch
> Reporter: Alan Gates
> Assignee: Santhosh Srinivasan
> Fix For: types_branch
>
>
> Queries like:
> {code}
> a = load 'myfile';
>
> b = group a by $0;
>
>
> c = foreach b {
> c1 = order $1 by *;
> generate flatten(c1);
> };
>
> store c into 'outfile';
> {code}
> return just one key of the data instead of returning all keys.
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