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https://issues.apache.org/jira/browse/ARROW-1623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16345930#comment-16345930
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ASF GitHub Bot commented on ARROW-1623:
---------------------------------------
xuepanchen commented on a change in pull request #1518: ARROW-1623: [C++] Add
convenience method to construct Buffer from a string that owns its memory
URL: https://github.com/apache/arrow/pull/1518#discussion_r164900900
##########
File path: cpp/src/arrow/buffer-test.cc
##########
@@ -52,6 +52,22 @@ TEST(TestBuffer, FromStdString) {
ASSERT_EQ(static_cast<int64_t>(val.size()), buf.size());
}
+TEST(TestBuffer, FromStdStringWithMemory) {
+ std::string* val = new std::string("hello, world");
Review comment:
The reason I use "new" here is to check after the original string is gone
the created buffer is still valid, which can verify if it actually owns its
memory. So I need a way to deallocate the original string.
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> [C++] Add convenience method to construct Buffer from a string that owns its
> memory
> -----------------------------------------------------------------------------------
>
> Key: ARROW-1623
> URL: https://issues.apache.org/jira/browse/ARROW-1623
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Wes McKinney
> Assignee: Panchen Xue
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.9.0
>
>
> The memory would need to be allocated from a memory pool / buffer allocator
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