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Liya Fan closed ARROW-5200.
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Resolution: Won't Fix
> [Java] Provide light-weight arrow APIs
> --
>
>
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Liya Fan updated ARROW-5290:
Comment: was deleted
(was: The assembly code of the unsafe API)
> Provide a flag to enable/disable
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Liya Fan commented on ARROW-5200:
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[~emkornfi...@gmail.com] Closed. Thanks for your kind reminder.
>
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Liya Fan commented on ARROW-5290:
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The assembly code of the unsafe API
> Provide a flag to
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Liya Fan commented on ARROW-5290:
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The assembly code of the safe API (when the null-checking is disabled)
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Liya Fan updated ARROW-5290:
Attachment: safe.png
> Provide a flag to enable/disable null-checking in vectors' get methods
>
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Liya Fan updated ARROW-5290:
Comment: was deleted
(was: The assembly code of the safe API (when the null-checking is disabled)
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Liya Fan updated ARROW-5429:
Description:
The current buffer allocation policy works like this:
* If the requested buffer size is
Liya Fan created ARROW-5429:
---
Summary: Provide alternative buffer allocation policy
Key: ARROW-5429
URL: https://issues.apache.org/jira/browse/ARROW-5429
Project: Apache Arrow
Issue Type:
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https://issues.apache.org/jira/browse/ARROW-5508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16856229#comment-16856229
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Liya Fan commented on ARROW-5508:
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[~wesmckinn], thanks for the good point.
What is the standard way to
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https://issues.apache.org/jira/browse/ARROW-5513?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liya Fan updated ARROW-5513:
Description:
The method getstartOffset in class
org.apache.arrow.vector.BaseVariableWidthVector should be
Liya Fan created ARROW-5513:
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Summary: [Java] Refactor method name for getstartOffset to use
camel case
Key: ARROW-5513
URL: https://issues.apache.org/jira/browse/ARROW-5513
Project: Apache Arrow
Liya Fan created ARROW-5460:
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Summary: [Java] Add micro-benchmarks for Float8Vector and
allocators
Key: ARROW-5460
URL: https://issues.apache.org/jira/browse/ARROW-5460
Project: Apache Arrow
Liya Fan created ARROW-5461:
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Summary: [Java] Add micro-benchmarks for Float8Vector and
allocators
Key: ARROW-5461
URL: https://issues.apache.org/jira/browse/ARROW-5461
Project: Apache Arrow
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Liya Fan closed ARROW-5460.
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Resolution: Duplicate
> [Java] Add micro-benchmarks for Float8Vector and allocators
>
Liya Fan created ARROW-5583:
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Summary: When the isSet of a NullableValueHolder is 0, the buffer
field should not be used
Key: ARROW-5583
URL: https://issues.apache.org/jira/browse/ARROW-5583
Project:
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Liya Fan updated ARROW-5583:
Summary: [Java] When the isSet of a NullableValueHolder is 0, the buffer
field should not be used (was:
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Liya Fan closed ARROW-5386.
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Resolution: Workaround
ARROW-5429 provides a workaround for this issue.
That is, the user can get to know
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Liya Fan updated ARROW-5583:
Description:
For each variable-width vector, like the VarCharVector, it has a set method
that uses a
Liya Fan created ARROW-5719:
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Summary: [Java] Support in-place vector sorting
Key: ARROW-5719
URL: https://issues.apache.org/jira/browse/ARROW-5719
Project: Apache Arrow
Issue Type: Improvement
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Liya Fan updated ARROW-5719:
Issue Type: New Feature (was: Improvement)
> [Java] Support in-place vector sorting
>
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https://issues.apache.org/jira/browse/ARROW-5658?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liya Fan updated ARROW-5658:
Attachment: image-2019-06-25-17-58-09-038.png
> [JAVA] apache arrow-flight cannot send listvector
>
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Liya Fan updated ARROW-5658:
Attachment: ClientStart.java
> [JAVA] apache arrow-flight cannot send listvector
>
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Liya Fan updated ARROW-5658:
Attachment: image-2019-06-25-17-59-07-352.png
> [JAVA] apache arrow-flight cannot send listvector
>
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Liya Fan commented on ARROW-5658:
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[~liaotian1005] we have found the reason for the failure.
It is
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Liya Fan commented on ARROW-5508:
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I still have not figured out how to check the end of the iterator by
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Liya Fan commented on ARROW-5658:
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Hi [~liaotian1005] thanks a lot for reporting the problem and the
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https://issues.apache.org/jira/browse/ARROW-5639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liya Fan updated ARROW-5639:
Summary: [Java] Remove floating point computation from
getOffsetBufferValueCapacity (was: [Java] Remove
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https://issues.apache.org/jira/browse/ARROW-5639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liya Fan updated ARROW-5639:
Description:
Some getOffsetBufferValueCapacity methods uses floating point computation to
calculate the
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Liya Fan commented on ARROW-5658:
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Hi [~liaotian1005], so far I have failed to reproduce the problem.
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Liya Fan reassigned ARROW-5658:
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Assignee: Liya Fan
> [JAVA] apache arrow-flight cannot send listvector
>
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Liya Fan commented on ARROW-5658:
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[~liaotian1005] thanks for the additional information.
We have found
Liya Fan created ARROW-5707:
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Summary: [Java] Improve the performance and code structure for
ArrowRecordBatch
Key: ARROW-5707
URL: https://issues.apache.org/jira/browse/ARROW-5707
Project: Apache Arrow
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Liya Fan updated ARROW-5639:
Summary: [Java] Remove floating point computation from
Liya Fan created ARROW-5639:
---
Summary: Remove floating point computation from
BaseVariableWidthVector#getOffsetBufferValueCapacity
Key: ARROW-5639
URL: https://issues.apache.org/jira/browse/ARROW-5639
Liya Fan created ARROW-5290:
---
Summary: Provide a flag to enable/disable null-checking in
vectors' get methods
Key: ARROW-5290
URL: https://issues.apache.org/jira/browse/ARROW-5290
Project: Apache Arrow
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Liya Fan updated ARROW-5290:
Attachment: (was: safe.png)
> Provide a flag to enable/disable null-checking in vectors' get methods
>
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https://issues.apache.org/jira/browse/ARROW-5386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liya Fan updated ARROW-5386:
Description:
In our scenario, the following code snippet is frequent in our code base:
int requestSize =
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Liya Fan updated ARROW-5386:
Description:
In our scenario, the following code snippet is frequent in our code base:
int requestSize =
Liya Fan created ARROW-5386:
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Summary: Making the rounding behavior of the buffer capacity
configurable
Key: ARROW-5386
URL: https://issues.apache.org/jira/browse/ARROW-5386
Project: Apache Arrow
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https://issues.apache.org/jira/browse/ARROW-5230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16828994#comment-16828994
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Liya Fan commented on ARROW-5230:
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Hi [~Chaokun Yang], the problem is that, the last parameter of the
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Liya Fan commented on ARROW-5230:
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[~Chaokun Yang]. Thanks a lot :)
> [Java] Read Struct Vector from
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Liya Fan commented on ARROW-5230:
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Hi [~Chaokun Yang], this seems like an interesting problem. If you
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https://issues.apache.org/jira/browse/ARROW-5264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16834687#comment-16834687
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Liya Fan commented on ARROW-5264:
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I agree with you that #1 and #2 solve most cases. However, there are
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Liya Fan updated ARROW-5264:
Summary: [Java] Allow enabling/disabling boundary checking by environmental
variable (was: [Java] Allow
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Liya Fan updated ARROW-5264:
Description:
The flag BoundsChecking#BOUNDS_CHECKING_ENABLED determines if boundary checking
is
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Liya Fan edited comment on ARROW-5264 at 5/8/19 3:10 AM:
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@Jacques Nadeau, thanks
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Liya Fan commented on ARROW-5264:
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@Jacques Nadeau, thanks for your suggestion. Your solution seems
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Liya Fan updated ARROW-5200:
Attachment: unsafe.jpg
> [Java] Provide light-weight arrow APIs
> --
>
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Liya Fan commented on ARROW-5200:
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This is the (source/byte code/assembly) code generated by the original
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Liya Fan updated ARROW-5200:
Attachment: safe_nocheck.jpg
> [Java] Provide light-weight arrow APIs
>
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Liya Fan updated ARROW-5264:
Description:
The flag BoundsChecking#BOUNDS_CHECKING_ENABLED determines if boundary checking
is
Liya Fan created ARROW-5264:
---
Summary: Allow enabling/disabling boundary checking dynamically in
the code
Key: ARROW-5264
URL: https://issues.apache.org/jira/browse/ARROW-5264
Project: Apache Arrow
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Liya Fan updated ARROW-5264:
Attachment: screenshot-1.png
> [Java] Allow enabling/disabling boundary checking dynamically in the code
>
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Liya Fan updated ARROW-5264:
Description:
The flag BoundsChecking#BOUNDS_CHECKING_ENABLED determines if boundary checking
is
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https://issues.apache.org/jira/browse/ARROW-5264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liya Fan updated ARROW-5264:
Description:
The flag BoundsChecking#BOUNDS_CHECKING_ENABLED determines if boundary checking
is
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https://issues.apache.org/jira/browse/ARROW-5264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16833701#comment-16833701
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Liya Fan commented on ARROW-5264:
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I totally agree with you. Making the flag non-final will miss many
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Liya Fan updated ARROW-5832:
Summary: [Java] Support search operations for vector data (was: Support
search operations for vector
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https://issues.apache.org/jira/browse/ARROW-5842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16878933#comment-16878933
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Liya Fan commented on ARROW-5842:
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[~jnadeau] Sounds reasonable. Thanks for your reminder.
Since the
Liya Fan created ARROW-5862:
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Summary: [Java] Provide dictionary builder
Key: ARROW-5862
URL: https://issues.apache.org/jira/browse/ARROW-5862
Project: Apache Arrow
Issue Type: New Feature
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https://issues.apache.org/jira/browse/ARROW-5658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16873269#comment-16873269
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Liya Fan commented on ARROW-5658:
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Hi [~liaotian1005], I don't quite understand the new problem.
Would
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Liya Fan commented on ARROW-5658:
-
Hi [~liaotian1005], please check if our patch fixes your new problem.
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Liya Fan commented on ARROW-5658:
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SetRowCount determines the range of indices that can be used without
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Liya Fan commented on ARROW-5658:
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[~liaotian1005] we have changed the code to automatically update the
Liya Fan created ARROW-5778:
---
Summary: Extract the logic for vector data copying to the super
classes
Key: ARROW-5778
URL: https://issues.apache.org/jira/browse/ARROW-5778
Project: Apache Arrow
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Liya Fan updated ARROW-5778:
Summary: [Java] Extract the logic for vector data copying to the super
classes (was: Extract the logic
Liya Fan created ARROW-5911:
---
Summary: [Java] Make ListVector and MapVector create reader lazily
Key: ARROW-5911
URL: https://issues.apache.org/jira/browse/ARROW-5911
Project: Apache Arrow
Issue
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https://issues.apache.org/jira/browse/ARROW-5920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liya Fan updated ARROW-5920:
Description: All types of variable-width vector can reuse the same
comparator for sorting & searching.
Liya Fan created ARROW-5918:
---
Summary: [Java] Revise the BaseIntVector interface
Key: ARROW-5918
URL: https://issues.apache.org/jira/browse/ARROW-5918
Project: Apache Arrow
Issue Type: Improvement
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Liya Fan commented on ARROW-5918:
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[~emkornfi...@gmail.com]. I see. That makes sense. Thanks for the
Liya Fan created ARROW-5917:
---
Summary: [Java] Redesign the dictionary encoder
Key: ARROW-5917
URL: https://issues.apache.org/jira/browse/ARROW-5917
Project: Apache Arrow
Issue Type: New Feature
Liya Fan created ARROW-5920:
---
Summary: [Java] Support sort & compare for all variable width
vectors
Key: ARROW-5920
URL: https://issues.apache.org/jira/browse/ARROW-5920
Project: Apache Arrow
Liya Fan created ARROW-5884:
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Summary: [Java] Fix the get method of StructVector
Key: ARROW-5884
URL: https://issues.apache.org/jira/browse/ARROW-5884
Project: Apache Arrow
Issue Type: Bug
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Liya Fan updated ARROW-5884:
Description:
When the data at the specified location is null, there is no need to call the
method from
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Liya Fan updated ARROW-5884:
Description:
When the data at the specified location is null, there is no need to call the
method from
Liya Fan created ARROW-5881:
---
Summary: [Java] Provide functionalities to efficiently determine
if a validity buffer has completely 1 bits/0 bits
Key: ARROW-5881
URL: https://issues.apache.org/jira/browse/ARROW-5881
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https://issues.apache.org/jira/browse/ARROW-5815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16877449#comment-16877449
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Liya Fan commented on ARROW-5815:
-
[~jnadeau], thanks a lot for your comments.
The problem of asym API
Liya Fan created ARROW-5832:
---
Summary: Support search operations for vector data
Key: ARROW-5832
URL: https://issues.apache.org/jira/browse/ARROW-5832
Project: Apache Arrow
Issue Type: New Feature
Liya Fan created ARROW-5842:
---
Summary: [Java] Revise the semantic of lastSet in ListVector
Key: ARROW-5842
URL: https://issues.apache.org/jira/browse/ARROW-5842
Project: Apache Arrow
Issue Type:
Liya Fan created ARROW-5843:
---
Summary: [Java] Improve the readability and performance of
BitVectorHelper#getNullCount
Key: ARROW-5843
URL: https://issues.apache.org/jira/browse/ARROW-5843
Project: Apache
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Liya Fan updated ARROW-5843:
Description:
Improve the implementation by:
1. Count the number of 1 bits by long or int, instead of by
Liya Fan created ARROW-5844:
---
Summary: [Java] Support comparison & sort for more numeric types
Key: ARROW-5844
URL: https://issues.apache.org/jira/browse/ARROW-5844
Project: Apache Arrow
Issue
Liya Fan created ARROW-5815:
---
Summary: [Java] Support swap functionality for fixed-width vectors
Key: ARROW-5815
URL: https://issues.apache.org/jira/browse/ARROW-5815
Project: Apache Arrow
Issue
Liya Fan created ARROW-5752:
---
Summary: [Java] Improve the performance of ArrowBuf#setZero
Key: ARROW-5752
URL: https://issues.apache.org/jira/browse/ARROW-5752
Project: Apache Arrow
Issue Type:
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https://issues.apache.org/jira/browse/ARROW-5929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16884803#comment-16884803
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Liya Fan commented on ARROW-5929:
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[~wesmckinn], many thanks for opening this issue.
I think this is a
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Liya Fan reassigned ARROW-5929:
---
Assignee: Liya Fan
> [Java] Define API for ExtensionVector whose data must be serialized prior to
Liya Fan created ARROW-5200:
---
Summary: Provide light-weight arrow APIs
Key: ARROW-5200
URL: https://issues.apache.org/jira/browse/ARROW-5200
Project: Apache Arrow
Issue Type: Improvement
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https://issues.apache.org/jira/browse/ARROW-5209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16825777#comment-16825777
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Liya Fan commented on ARROW-5209:
-
I have sent a PR with the initial benchmark. The benchmark is
Liya Fan created ARROW-5209:
---
Summary: [Java] Add performance benchmarks from SQL workloads
Key: ARROW-5209
URL: https://issues.apache.org/jira/browse/ARROW-5209
Project: Apache Arrow
Issue Type:
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https://issues.apache.org/jira/browse/ARROW-5200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16824900#comment-16824900
]
Liya Fan commented on ARROW-5200:
-
Sounds reasonable. Thanks a lot for your comments.
We have opened a
Liya Fan created ARROW-5221:
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Summary: Improvement the performance of class SegmentsUtil
Key: ARROW-5221
URL: https://issues.apache.org/jira/browse/ARROW-5221
Project: Apache Arrow
Issue Type:
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Liya Fan closed ARROW-5221.
---
Resolution: Invalid
> Improvement the performance of class SegmentsUtil
>
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https://issues.apache.org/jira/browse/ARROW-5658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16873902#comment-16873902
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Liya Fan edited comment on ARROW-5658 at 6/27/19 9:40 AM:
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Hi [~liaotian1005],
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https://issues.apache.org/jira/browse/ARROW-5822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liya Fan updated ARROW-5822:
Summary: [Java] Provide a sample json file for the flight example (was:
Provide a sample json file for
Liya Fan created ARROW-5822:
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Summary: Provide a sample json file for the flight example
Key: ARROW-5822
URL: https://issues.apache.org/jira/browse/ARROW-5822
Project: Apache Arrow
Issue Type:
Liya Fan created ARROW-6212:
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Summary: [Java] Support vector rank operation
Key: ARROW-6212
URL: https://issues.apache.org/jira/browse/ARROW-6212
Project: Apache Arrow
Issue Type: New Feature
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https://issues.apache.org/jira/browse/ARROW-6212?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liya Fan updated ARROW-6212:
Description:
Given an unsorted vector, we want to get the index of the ith smallest element
in the
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https://issues.apache.org/jira/browse/ARROW-6172?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liya Fan updated ARROW-6172:
Description:
We provide benchmarks to evaluate the performance of setting IntVector in 3
different
Liya Fan created ARROW-6209:
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Summary: [Java] Extract set null method to the base class for
fixed width vectors
Key: ARROW-6209
URL: https://issues.apache.org/jira/browse/ARROW-6209
Project: Apache Arrow
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https://issues.apache.org/jira/browse/ARROW-6245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liya Fan updated ARROW-6245:
Summary: [Java] Provide an interface for numeric vectors (was:
[DISCUSS][Java] Provide an interface for
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