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Liang-Chi Hsieh commented on SPARK-22284:
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Btw, we have used {{UnsafeProjection}} in many places
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Liang-Chi Hsieh edited comment on SPARK-8515 at 10/16/17 11:28 PM:
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I'm
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Liang-Chi Hsieh commented on SPARK-8515:
I'm not sure if SPARK-2008 is related to metadata in ML?
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Liang-Chi Hsieh commented on SPARK-22276:
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I think this issue is already resolved by a recent fix
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Liang-Chi Hsieh commented on SPARK-22276:
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Can you provide an simple example to reproduce this
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Liang-Chi Hsieh edited comment on SPARK-22231 at 10/15/17 4:02 AM:
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Liang-Chi Hsieh commented on SPARK-9:
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Is any common components among the RDMA shuffle engine
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Liang-Chi Hsieh commented on SPARK-22231:
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[~Jeremy Smith] Thanks for the context. Regarding the
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Liang-Chi Hsieh commented on SPARK-9:
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As we have the pluggable mechanism to set up external
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Liang-Chi Hsieh commented on SPARK-22231:
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Btw, the capacity to work on nested data types looks
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Liang-Chi Hsieh updated SPARK-8515:
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Attachment: (was: SPARK-8515.pdf)
> Improve ML attribute API
>
>
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Liang-Chi Hsieh updated SPARK-8515:
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Attachment: SPARK-8515.pdf
> Improve ML attribute API
>
>
>
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Liang-Chi Hsieh edited comment on SPARK-22231 at 10/10/17 3:28 AM:
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Liang-Chi Hsieh commented on SPARK-22231:
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Looks like `mapItems` is an API can work on any Array
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Liang-Chi Hsieh edited comment on SPARK-22231 at 10/10/17 3:18 AM:
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I
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Liang-Chi Hsieh commented on SPARK-22231:
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I think there is a typo in the second example to add a
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Liang-Chi Hsieh edited comment on SPARK-8515 at 10/6/17 4:52 AM:
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I'm
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Liang-Chi Hsieh updated SPARK-8515:
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Attachment: SPARK-8515.pdf
> Improve ML attribute API
>
>
>
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Liang-Chi Hsieh commented on SPARK-19141:
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I'm working on a new ML attribute API (SPARK-8515)
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Liang-Chi Hsieh commented on SPARK-8515:
I'm working on a new ML attribute API which is supposed
Liang-Chi Hsieh created SPARK-22206:
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Summary: gapply in R can't work on empty grouping columns
Key: SPARK-22206
URL: https://issues.apache.org/jira/browse/SPARK-22206
Project: Spark
Issue
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Liang-Chi Hsieh commented on SPARK-22137:
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Ideally I think a UDT should be able casted to/from
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Liang-Chi Hsieh edited comment on SPARK-22137 at 9/29/17 3:04 PM:
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Liang-Chi Hsieh edited comment on SPARK-22137 at 9/29/17 2:56 PM:
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Liang-Chi Hsieh commented on SPARK-22137:
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Actually that is because we only allow to cast between
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Liang-Chi Hsieh commented on SPARK-22113:
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I can reproduce it. Currently Spark can't work with
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Liang-Chi Hsieh commented on SPARK-22113:
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Simply said, we don't have custom JDBC dialect for
Liang-Chi Hsieh created SPARK-22124:
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Summary: Sample and Limit should also defer input evaluation under
codegen
Key: SPARK-22124
URL: https://issues.apache.org/jira/browse/SPARK-22124
Project:
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Liang-Chi Hsieh commented on SPARK-13030:
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Yes. I can do it.
> Change OneHotEncoder to
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Liang-Chi Hsieh edited comment on SPARK-13030 at 9/26/17 2:00 AM:
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Yes.
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Liang-Chi Hsieh commented on SPARK-22113:
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Hmm, actually we have the API {{def select(col:
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Liang-Chi Hsieh edited comment on SPARK-22112 at 9/25/17 2:36 AM:
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cc
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Liang-Chi Hsieh commented on SPARK-22112:
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cc [~jmchung] or [~goldmedal]] Maybe any of you will
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Liang-Chi Hsieh commented on SPARK-22081:
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Btw, looks like RELR is patented:
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Liang-Chi Hsieh resolved SPARK-21653.
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Resolution: Fixed
> Complement SQL expression document
>
Liang-Chi Hsieh created SPARK-22088:
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Summary: Incorrect scalastyle comment causes wrong styles in
stringExpressions
Key: SPARK-22088
URL: https://issues.apache.org/jira/browse/SPARK-22088
Project:
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Liang-Chi Hsieh edited comment on SPARK-21653 at 9/21/17 9:55 AM:
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Liang-Chi Hsieh commented on SPARK-21653:
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I just go through all SQL expressions. Looks like we
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Liang-Chi Hsieh updated SPARK-22086:
Issue Type: Sub-task (was: Documentation)
Parent: SPARK-21653
> Add expression
Liang-Chi Hsieh created SPARK-22086:
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Summary: Add expression description for CASE WHEN
Key: SPARK-22086
URL: https://issues.apache.org/jira/browse/SPARK-22086
Project: Spark
Issue Type:
Liang-Chi Hsieh created SPARK-22001:
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Summary: ImputerModel can do withColumn for all input columns at
one pass
Key: SPARK-22001
URL: https://issues.apache.org/jira/browse/SPARK-22001
Project:
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Liang-Chi Hsieh commented on SPARK-21990:
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After inspecting it, because
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Liang-Chi Hsieh updated SPARK-21990:
Description:
When I inspected the latest change of SPARK-21979, I found we could miss few
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Liang-Chi Hsieh resolved SPARK-21990.
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Resolution: Not A Problem
> QueryPlanConstraints misses some constraints that can be
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Liang-Chi Hsieh updated SPARK-21990:
Summary: QueryPlanConstraints misses some constraints that can be
recursively inferred
Liang-Chi Hsieh created SPARK-21990:
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Summary: QueryPlanConstraints misses some constraints can be
recursively inferred
Key: SPARK-21990
URL: https://issues.apache.org/jira/browse/SPARK-21990
Liang-Chi Hsieh created SPARK-21954:
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Summary: JacksonUtils should verify MapType's value type instead
of key type
Key: SPARK-21954
URL: https://issues.apache.org/jira/browse/SPARK-21954
Project:
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Liang-Chi Hsieh commented on SPARK-21658:
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Thanks [~hyukjin.kwon] and [~jerryshao].
> Adds the
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Liang-Chi Hsieh commented on SPARK-21885:
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I tend to agree that when we don't actually need the
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Liang-Chi Hsieh edited comment on SPARK-21847 at 8/28/17 4:09 AM:
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Liang-Chi Hsieh commented on SPARK-21847:
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{code}
>>> from pyspark.sql.functions import lit,nanvl
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Liang-Chi Hsieh updated SPARK-21835:
Comment: was deleted
(was: Submitted PR at https://github.com/apache/spark/pull/19050)
>
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Liang-Chi Hsieh commented on SPARK-21835:
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Submitted PR at
Liang-Chi Hsieh created SPARK-21835:
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Summary: RewritePredicateSubquery should not produce unresolved
query plans
Key: SPARK-21835
URL: https://issues.apache.org/jira/browse/SPARK-21835
Project:
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Liang-Chi Hsieh commented on SPARK-21807:
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This is a known issue. Currently we provide a SQL conf
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Liang-Chi Hsieh commented on SPARK-21799:
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So I think the problem is you shouldn't do
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Liang-Chi Hsieh updated SPARK-21799:
Comment: was deleted
(was: Yeah, that looks right direction. {{df.storageLevel}} is not
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Liang-Chi Hsieh commented on SPARK-21799:
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Hmm, I go to check ML KMeans codes where I don't find
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Liang-Chi Hsieh commented on SPARK-21799:
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Yeah, that looks right direction. {{df.storageLevel}}
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Liang-Chi Hsieh commented on SPARK-21763:
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I'm afraid that the inferSchema is done by the library
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Liang-Chi Hsieh commented on SPARK-21759:
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Submitted PR at
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Liang-Chi Hsieh updated SPARK-21759:
Description:
With the check for structural integrity proposed in SPARK-21726, I found that
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Liang-Chi Hsieh updated SPARK-21759:
Summary: In.checkInputDataTypes should not wrongly report unresolved plans
for IN
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Liang-Chi Hsieh updated SPARK-21759:
Summary: PullupCorrelatedPredicates should not produce unresolved plan
(was:
Liang-Chi Hsieh created SPARK-21759:
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Summary: PullupCorrelatedPredicates can produce unresolved plan
Key: SPARK-21759
URL: https://issues.apache.org/jira/browse/SPARK-21759
Project: Spark
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Liang-Chi Hsieh commented on SPARK-21726:
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Submitted a PR at
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Liang-Chi Hsieh commented on SPARK-21657:
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[~maropu] I've noticed that change. There is a hotfix
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Liang-Chi Hsieh commented on SPARK-21726:
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[~rxin] Thanks for pinging me! Yes, I'm interested in
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Liang-Chi Hsieh commented on SPARK-21721:
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Submitted a PR at
Liang-Chi Hsieh created SPARK-21717:
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Summary: Decouple the generated codes of consuming rows in
operators under whole-stage codegen
Key: SPARK-21717
URL: https://issues.apache.org/jira/browse/SPARK-21717
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Liang-Chi Hsieh edited comment on SPARK-21657 at 8/11/17 8:55 AM:
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Maybe
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Liang-Chi Hsieh commented on SPARK-21657:
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Maybe not very related to this issue. But I'm
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Liang-Chi Hsieh commented on SPARK-21677:
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As a given field name {{null}} can't be matched with
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Liang-Chi Hsieh commented on SPARK-21684:
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Would you mind provide a small codes to reproduce it?
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Liang-Chi Hsieh updated SPARK-21679:
Issue Type: Improvement (was: Bug)
> KMeans Clustering is Not Deterministic
>
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Liang-Chi Hsieh commented on SPARK-21679:
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Old MLlib {{org.apache.spark.mllib.clustering.KMeans}}
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Liang-Chi Hsieh commented on SPARK-21686:
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I saw the affect version is 1.6.1. So the more recent
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Liang-Chi Hsieh commented on SPARK-21677:
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[~hyukjin.kwon] Thanks! Definitely we are interested
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Liang-Chi Hsieh commented on SPARK-21658:
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[~mgaido] Appreciate your understanding! Thanks.
>
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Liang-Chi Hsieh commented on SPARK-21658:
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[~mgaido] If you don't mind, I'm mentoring a beginner
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Liang-Chi Hsieh edited comment on SPARK-21631 at 8/8/17 3:10 AM:
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Liang-Chi Hsieh commented on SPARK-21631:
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[~ibingoogle] I saw you did {{export
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Liang-Chi Hsieh commented on SPARK-21658:
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I will mentor a beginner to work on this. Thanks
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Liang-Chi Hsieh commented on SPARK-21653:
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[~hyukjin.kwon] oh, yeah, looks like it's. As
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Liang-Chi Hsieh commented on SPARK-21653:
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[~sowen] I made a detailed description now for this.
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Liang-Chi Hsieh updated SPARK-21653:
Description:
We have {{ExpressionDescription}} for SQL expressions. The expression
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https://issues.apache.org/jira/browse/SPARK-21653?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16116232#comment-16116232
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Liang-Chi Hsieh commented on SPARK-21653:
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We have {{ExpressionDescription}} for SQL expressions.
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Liang-Chi Hsieh updated SPARK-21654:
Issue Type: Sub-task (was: Improvement)
Parent: SPARK-21653
> Complement
Liang-Chi Hsieh created SPARK-21654:
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Summary: Complement predicates expression description
Key: SPARK-21654
URL: https://issues.apache.org/jira/browse/SPARK-21654
Project: Spark
Issue
Liang-Chi Hsieh created SPARK-21653:
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Summary: Complement SQL expression document
Key: SPARK-21653
URL: https://issues.apache.org/jira/browse/SPARK-21653
Project: Spark
Issue Type:
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https://issues.apache.org/jira/browse/SPARK-21653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liang-Chi Hsieh updated SPARK-21653:
Issue Type: Umbrella (was: Improvement)
> Complement SQL expression document
>
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https://issues.apache.org/jira/browse/SPARK-21629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16115702#comment-16115702
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Liang-Chi Hsieh commented on SPARK-21629:
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No problem. Mentees still learn something.
> OR
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https://issues.apache.org/jira/browse/SPARK-20025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16115696#comment-16115696
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Liang-Chi Hsieh commented on SPARK-20025:
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I think there is an unsolved issue SPARK-12963 which
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Liang-Chi Hsieh commented on SPARK-21629:
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[~hvanhovell] As this is not a problem, but I can't
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https://issues.apache.org/jira/browse/SPARK-21610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16115622#comment-16115622
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Liang-Chi Hsieh commented on SPARK-21610:
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I'm mentoring one beginner working on this.
> Corrupt
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Liang-Chi Hsieh commented on SPARK-21629:
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Yap, Thanks a lot [~hvanhovell].
> OR nullability is
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Liang-Chi Hsieh updated SPARK-21629:
Labels: Starter (was: )
> OR nullability is incorrect
> ---
>
>
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Liang-Chi Hsieh commented on SPARK-21629:
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[~hvanhovell] Sorry, I'm mentoring the few local
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Liang-Chi Hsieh edited comment on SPARK-21629 at 8/5/17 1:12 PM:
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https://issues.apache.org/jira/browse/SPARK-21631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16115186#comment-16115186
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Liang-Chi Hsieh commented on SPARK-21631:
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I've tried. {{NOLINT_ON_COMPILE=1 build/sbt "testOnly
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