Hi all,
In Jira Pig-1077, we Zebra team plan to utilize Hadoop TFile's split by
record sequence number support to provide record(row)-based input split
support in Zebra.
Here we would like to point out that: along the way we plan to also
resolve the dependency issue that Zebra record-based
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Chao Wang updated PIG-1057:
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Attachment: patch_1057
> [Zebra] Zebra does not support concurrent deletions of column groups
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Chao Wang updated PIG-1057:
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Attachment: patch_1057
> [Zebra] Zebra does not support concurrent deletions of column groups
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Chao Wang updated PIG-1057:
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Attachment: (was: patch_1057)
> [Zebra] Zebra does not support concurrent deletions of column groups
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Chao Wang updated PIG-1057:
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Status: Patch Available (was: Open)
> [Zebra] Zebra does not support concurrent deletions of column gro
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Chao Wang commented on PIG-993:
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Raghu's comment has been addressed in Jira 1057 :
Reporter: Chao Wang
Assignee: Chao Wang
Fix For: 0.6.0
Pig tries to determine which fields in a query script file will be needed and
passes that information to the load function, thereby optimizing the query by
reducing the data to be loaded.
To support this
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Chao Wang updated PIG-1026:
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Patch reviewed. +1
> [zebra] map split returns null
> --
>
>
Type: New Feature
Affects Versions: 0.4.0
Reporter: Chao Wang
Assignee: Chao Wang
Fix For: 0.6.0
TFile currently supports split by record sequence number (see Jira
HADOOP-6218). We want to utilize this to provide record(row)-based input split
support in
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Chao Wang updated PIG-1077:
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Summary: [Zebra] to support record(row)-based file split in Zebra's
TableInputFormat (was: [Zebra] to su
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Chao Wang updated PIG-1077:
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Release Note:
In this jira, we plan to also resolve the dependency issue that Zebra
record-based split needs
rter: Chao Wang
Assignee: Chao Wang
Fix For: 0.6.0
Zebra is a contrib project of Pig now. It should use Pig's version for its own
version.
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Chao Wang updated PIG-1087:
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Attachment: patch_Pig1087
> Use Pig's version for Zebra'
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Chao Wang updated PIG-1087:
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Status: Patch Available (was: Open)
> Use Pig's version for Zebra'
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Chao Wang updated PIG-1077:
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Attachment: patch_Pig1077
> [Zebra] to support record(row)-based file split in Zebra's TableInp
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Chao Wang updated PIG-1077:
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Status: Patch Available (was: Open)
> [Zebra] to support record(row)-based file split in Zebr
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Chao Wang updated PIG-1099:
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Patch reviewed +1
> [zebra] version on APACHE trunk should be 0.7.0 to be in pace with
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Chao Wang updated PIG-1091:
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Patch reviewed. +1
> [zebra] Exception when load with projection of map keys on a map column that
> is n
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Chao Wang updated PIG-1078:
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Patch reviewed. +1
> [zebra] merge join with empty table fai
: Chao Wang
Assignee: Chao Wang
Fix For: 0.6.0
Hadoop streaming is very popular among Hadoop users. The main attraction is the
simplicity of use. A user can write the application logic in any language and
process large amounts of data using Hadoop framework. As more
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Chao Wang commented on PIG-1098:
Ideally, should have a better structure for methods suc
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Chao Wang commented on PIG-1122:
+1
> [zebra] Zebra build.xml still uses 0.6
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Chao Wang commented on PIG-:
Why we need build script change to run multiple out
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Chao Wang commented on PIG-:
+1
> [Zebra] multiple outputs
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Chao Wang updated PIG-1104:
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Fix Version/s: 0.7.0
> [zebra] Provide streaming support in Ze
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Chao Wang updated PIG-1104:
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Attachment: PIG1104.patch
> [zebra] Provide streaming support in Ze
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Chao Wang commented on PIG-1104:
Response to the above comment:
point 1) The scenarios
sions: 0.4.0
Reporter: Chao Wang
Assignee: Chao Wang
Fix For: 0.6.0, 0.7.0
We plan to modify Zebra's M/R interface to use typed APIs, i.e., APIs taking
object arguments, instead of String arguments.
Take TableInputFormat as an example:
setSchema(jo
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Chao Wang updated PIG-1104:
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Attachment: PIG-1104.patch
> [zebra] Provide streaming support in Ze
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Chao Wang updated PIG-1104:
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Status: Patch Available (was: Open)
> [zebra] Provide streaming support in Ze
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Chao Wang updated PIG-1104:
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Attachment: (was: PIG1104.patch)
> [zebra] Provide streaming support in Ze
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Chao Wang updated PIG-1104:
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Status: Open (was: Patch Available)
> [zebra] Provide streaming support in Ze
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Chao Wang updated PIG-1104:
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Status: Open (was: Patch Available)
> [zebra] Provide streaming support in Ze
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Chao Wang updated PIG-1104:
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Status: Patch Available (was: Open)
> [zebra] Provide streaming support in Ze
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Chao Wang commented on PIG-1104:
Seems Pig has some issue. I checked Pig's TestBui
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Chao Wang updated PIG-1125:
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Attachment: PIG-1125.patch
> [zebra] Using typed APIs for Zebra's Map/Reduce i
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Chao Wang updated PIG-1125:
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Attachment: PIG-1125.patch
> [zebra] Using typed APIs for Zebra's Map/Reduce i
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Chao Wang updated PIG-1125:
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Status: Patch Available (was: Open)
> [zebra] Using typed APIs for Zebra's Map/Reduce i
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Chao Wang resolved PIG-982.
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Resolution: Not A Problem
> [zebra] Prevent checkin test cases from running twice in nightly t
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Chao Wang resolved PIG-985.
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Resolution: Not A Problem
> [zebra] Make necessary changes to build scripts to accommodate new ze
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Chao Wang commented on PIG-1145:
Patch reviewed +1.
> [zebra] merge join on larg
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Chao Wang commented on PIG-1145:
The patch looks good +1.
> [zebra] merge join o
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Chao Wang updated PIG-1136:
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Status: Open (was: Patch Available)
> [zebra] Map Split of Storage info do not allow for leading undersc
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Chao Wang commented on PIG-1153:
Patch reviewed. +1
> [zebra] spliting columns at di
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Chao Wang commented on PIG-1167:
Patch looks good +1.
> [zebra] Zebra does not
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Chao Wang updated PIG-1140:
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Status: Open (was: Patch Available)
> [zebra] Use of Hadoop 2.0 A
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Chao Wang updated PIG-1201:
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Patch looks good +1
> [zebra] HDFS meta queries are issued by all mappers; Pig Loader serialize all
> J
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Chao Wang updated PIG-1227:
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Patch looks good +1.
> [zebra] Missing column group meta file should not be allowed at query t
Reporter: Chao Wang
Assignee: Chao Wang
Fix For: 0.7.0
The goal of this task is to make map/reduce test cases run on real cluster.
Currently map/reduce test cases are mostly tested under local mode. When
running on real cluster, all involved jars have to be
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Chao Wang updated PIG-1198:
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Patch reviewed.
Some feedbacks:
1) in fillRowSplit() method, reader.close() should always be called at the end
0.6.0
Reporter: Chao Wang
Assignee: Chao Wang
Fix For: 0.7.0
The goal of this task is to make Zebra's pig test cases run on real cluster.
Currently Zebra's pig test cases are mostly tested using MiniCluster. We want
to use a real hadoop cluster to test
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Chao Wang updated PIG-1253:
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Attachment: PIG-1253.patch
> [zebra] make map/reduce test cases run on real clus
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Chao Wang updated PIG-1253:
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Status: Patch Available (was: Open)
> [zebra] make map/reduce test cases run on real clus
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Chao Wang updated PIG-1282:
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Attachment: PIG-1282.patch
> [zebra] make Zebra's pig test cases run on real
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Chao Wang commented on PIG-1282:
Thank Jing for the most of the migration work.
>
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Chao Wang updated PIG-1282:
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Status: Patch Available (was: Open)
> [zebra] make Zebra's pig test cases run on real
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Chao Wang updated PIG-1282:
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Status: Open (was: Patch Available)
> [zebra] make Zebra's pig test cases run on real
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Chao Wang updated PIG-1282:
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Attachment: PIG-1282.patch
> [zebra] make Zebra's pig test cases run on real
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Chao Wang updated PIG-1282:
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Status: Patch Available (was: Open)
> [zebra] make Zebra's pig test cases run on real
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Chao Wang commented on PIG-1268:
Patch looks good +1
> [Zebra] Need an ant target th
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Chao Wang commented on PIG-1282:
The test case failure is caused by some environmental i
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Chao Wang commented on PIG-1269:
Patch looks good +1
> [Zebra] Restrict schema def
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Chao Wang updated PIG-1282:
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Attachment: PIG-1282.patch
> [zebra] make Zebra's pig test cases run on real
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Chao Wang commented on PIG-1282:
The new attached patch addressed the concerns raise
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Chao Wang updated PIG-1253:
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Attachment: PIG-1253-0.6.patch
Some of the test case clean up work also applies to 0.6 branch.
> [ze
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Chao Wang updated PIG-1282:
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Status: Open (was: Patch Available)
> [zebra] make Zebra's pig test cases run on real
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Chao Wang updated PIG-1282:
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Status: Patch Available (was: Open)
> [zebra] make Zebra's pig test cases run on real
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Chao Wang updated PIG-1282:
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Attachment: PIG-1282.patch
added hadoop license comment to BaseTestCase.java
> [zebra] make Zebra's
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Chao Wang updated PIG-1282:
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Status: Open (was: Patch Available)
> [zebra] make Zebra's pig test cases run on real
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Chao Wang updated PIG-1282:
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Status: Patch Available (was: Open)
> [zebra] make Zebra's pig test cases run on real
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Chao Wang updated PIG-1282:
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Attachment: (was: PIG-1282.patch)
> [zebra] make Zebra's pig test cases run on real
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Chao Wang updated PIG-1282:
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Attachment: (was: PIG-1282.patch)
> [zebra] make Zebra's pig test cases run on real
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Chao Wang updated PIG-1282:
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Attachment: (was: PIG-1282.patch)
> [zebra] make Zebra's pig test cases run on real
: Pig
Issue Type: Improvement
Affects Versions: 0.6.0
Reporter: Chao Wang
Fix For: 0.8.0
The Zebra storage layer needs to use distributed cache to reduce name node load
during job runs.
To to this, Zebra needs to set up distributed cache related configuration
informati
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Chao Wang updated PIG-1337:
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Summary: Need a way to pass distributed cache configuration information to
hadoop backend in Pig's Loa
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Chao Wang commented on PIG-1337:
This may also relate to https://issues.apache.org/
Affects Versions: 0.6.0, 0.7.0
Reporter: Chao Wang
Assignee: Chao Wang
Fix For: 0.8.0
Currently, table and column group level meta data is extracted from job
configuration object and written onto HDFS disk within checkOutputSpec(). Later
on, writers at
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Chao Wang commented on PIG-1340:
+1
> [zebra] The zebra version number should be
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Chao Wang updated PIG-1342:
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Attachment: PIG-1342.patch
> [Zebra] Avoid making unnecessary name node calls for writes in Ze
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Chao Wang commented on PIG-1337:
It's ok for us not to use getSchema() for thi
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Chao Wang updated PIG-1342:
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Attachment: PIG-1342.patch
> [Zebra] Avoid making unnecessary name node calls for writes in Ze
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Chao Wang updated PIG-1342:
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Attachment: (was: PIG-1342.patch)
> [Zebra] Avoid making unnecessary name node calls for writes in Ze
, 0.7.0, 0.8.0
Reporter: Chao Wang
Assignee: Chao Wang
Fix For: 0.8.0
In Zebra, we do not have any type check when writing to a basic table.
Say, we have a schema: "f1:int, f2:string",
however we can write a tuple ("abc", 123) without a
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Chao Wang updated PIG-1342:
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Attachment: PIG-1342.patch
> [Zebra] Avoid making unnecessary name node calls for writes in Ze
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Chao Wang updated PIG-1342:
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Attachment: (was: PIG-1342.patch)
> [Zebra] Avoid making unnecessary name node calls for writes in Ze
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Chao Wang updated PIG-1351:
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Attachment: PIG-1351.patch
> [Zebra] No type check when we write to the basic ta
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Chao Wang updated PIG-1351:
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Attachment: (was: PIG-1351.patch)
> [Zebra] No type check when we write to the basic ta
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https://issues.apache.org/jira/browse/PIG-1351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chao Wang updated PIG-1351:
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Attachment: PIG-1351.patch
> [Zebra] No type check when we write to the basic ta
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Chao Wang commented on PIG-1351:
1) We follow Java's type compatibility rule as fol
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https://issues.apache.org/jira/browse/PIG-1350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854623#action_12854623
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Chao Wang commented on PIG-1350:
Patch looks good +1
> [Zebra] Zebra column names
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https://issues.apache.org/jira/browse/PIG-1357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854732#action_12854732
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Chao Wang commented on PIG-1357:
+1
> [zebra] Test cases of map-side GROUP-BY sh
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Chao Wang updated PIG-1351:
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Attachment: (was: PIG-1351.patch)
> [Zebra] No type check when we write to the basic ta
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https://issues.apache.org/jira/browse/PIG-1351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chao Wang updated PIG-1351:
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Attachment: PIG-1351.patch
> [Zebra] No type check when we write to the basic ta
Versions: 0.8.0
Reporter: Chao Wang
Assignee: Chao Wang
Fix For: 0.8.0
In Zebra, we already have multiple outputs support for map/reduce. But we do
not support this feature if users use Zebra through Pig.
This jira is to address this issue. We plan to support
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https://issues.apache.org/jira/browse/PIG-1375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chao Wang updated PIG-1375:
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Attachment: PIG-1375.patch
> [Zebra] To support writing multiple Zebra tables through
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Chao Wang updated PIG-1351:
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Attachment: PIG-1351.patch
> [Zebra] No type check when we write to the basic ta
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Chao Wang updated PIG-1351:
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One small change: we only check the first non-null map value for map and the
first record for collection
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Chao Wang updated PIG-1351:
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Status: Patch Available (was: Open)
Affects Version/s: (was: 0.6.0
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Chao Wang updated PIG-1351:
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Status: Open (was: Patch Available)
> [Zebra] No type check when we write to the basic ta
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Chao Wang updated PIG-1351:
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Attachment: (was: PIG-1351.patch)
> [Zebra] No type check when we write to the basic ta
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