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Posted to reviews@spark.apache.org by "LuciferYang (via GitHub)" <gi...@apache.org> on 2023/11/08 03:44:32 UTC
[PR] [SPARK-45831][CORE][SQL] Use collection factory to create an immutable Java collection [spark]
LuciferYang opened a new pull request, #43709:
URL: https://github.com/apache/spark/pull/43709
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Re: [PR] [SPARK-45831][CORE][SQL][DSTREAM] Use collection factory instead to create immutable Java collections [spark]
Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #43709:
URL: https://github.com/apache/spark/pull/43709#issuecomment-1803085434
> There are also some places where `Collections.unmodifiable` is used, such as
>
> https://github.com/apache/spark/blob/bfcd2c47742d69632584f6bb3cf08a8bc3ca8c8c/sql/catalyst/src/main/scala/org/apache/spark/sql/connector/catalog/CatalogV2Util.scala#L85-L102
>
> But I don't think the new API can make them look simpler, so I didn't change them in this pr
@dongjoon-hyun There are three other similar places here, and I think both `Collections.unmodifiableMap` and `Map.copyOf` can be used, and `Map.copyOf` will trigger a collection copy, so no changes were made in this pr.
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Re: [PR] [SPARK-45831][CORE][SQL][DSTREAM] Use collection factory instead to create immutable Java collections [spark]
Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #43709:
URL: https://github.com/apache/spark/pull/43709#issuecomment-1803103014
Thanks @dongjoon-hyun ~
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Re: [PR] [SPARK-45831][CORE][SQL][DSTREAM] Use collection factory instead to create immutable Java collections [spark]
Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #43709:
URL: https://github.com/apache/spark/pull/43709#issuecomment-1803284125
Thanks @beliefer ~
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Re: [PR] [SPARK-45831][CORE][SQL][DSTREAM] Use collection factory to create an immutable Java collection [spark]
Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #43709:
URL: https://github.com/apache/spark/pull/43709#issuecomment-1801084517
There are also some places where `Collections.unmodifiable` is used, such as
https://github.com/apache/spark/blob/bfcd2c47742d69632584f6bb3cf08a8bc3ca8c8c/sql/catalyst/src/main/scala/org/apache/spark/sql/connector/catalog/CatalogV2Util.scala#L85-L102
But I don't think the new API can make them look simpler, so I didn't change them in this pr
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Re: [PR] [SPARK-45831][CORE][SQL][DSTREAM] Use collection factory instead to create immutable Java collections [spark]
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun commented on code in PR #43709:
URL: https://github.com/apache/spark/pull/43709#discussion_r1387410114
##########
common/utils/src/main/java/org/apache/spark/network/util/JavaUtils.java:
##########
@@ -202,29 +202,27 @@ private static boolean isSymlink(File file) throws IOException {
private static final Map<String, ByteUnit> byteSuffixes;
static {
- final Map<String, TimeUnit> timeSuffixesBuilder = new HashMap<>();
- timeSuffixesBuilder.put("us", TimeUnit.MICROSECONDS);
- timeSuffixesBuilder.put("ms", TimeUnit.MILLISECONDS);
- timeSuffixesBuilder.put("s", TimeUnit.SECONDS);
- timeSuffixesBuilder.put("m", TimeUnit.MINUTES);
- timeSuffixesBuilder.put("min", TimeUnit.MINUTES);
- timeSuffixesBuilder.put("h", TimeUnit.HOURS);
- timeSuffixesBuilder.put("d", TimeUnit.DAYS);
- timeSuffixes = Collections.unmodifiableMap(timeSuffixesBuilder);
-
- final Map<String, ByteUnit> byteSuffixesBuilder = new HashMap<>();
- byteSuffixesBuilder.put("b", ByteUnit.BYTE);
- byteSuffixesBuilder.put("k", ByteUnit.KiB);
- byteSuffixesBuilder.put("kb", ByteUnit.KiB);
- byteSuffixesBuilder.put("m", ByteUnit.MiB);
- byteSuffixesBuilder.put("mb", ByteUnit.MiB);
- byteSuffixesBuilder.put("g", ByteUnit.GiB);
- byteSuffixesBuilder.put("gb", ByteUnit.GiB);
- byteSuffixesBuilder.put("t", ByteUnit.TiB);
- byteSuffixesBuilder.put("tb", ByteUnit.TiB);
- byteSuffixesBuilder.put("p", ByteUnit.PiB);
- byteSuffixesBuilder.put("pb", ByteUnit.PiB);
- byteSuffixes = Collections.unmodifiableMap(byteSuffixesBuilder);
+ timeSuffixes = Map.of(
Review Comment:
Indentation?
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Re: [PR] [SPARK-45831][CORE][SQL][DSTREAM] Use collection factory instead to create immutable Java collections [spark]
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun closed pull request #43709: [SPARK-45831][CORE][SQL][DSTREAM] Use collection factory instead to create immutable Java collections
URL: https://github.com/apache/spark/pull/43709
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Re: [PR] [SPARK-45831][CORE][SQL][DSTREAM] Use collection factory instead to create immutable Java collections [spark]
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun commented on PR #43709:
URL: https://github.com/apache/spark/pull/43709#issuecomment-1803103862
Merged to master~
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