Use predictable collections in classes that participate in planning

[sopel39]

No description provided.

[findepi]

I would squash the commits.

Also, you need to update calls to java.util.stream.Collectors#toMap (eg in TupleDomain)

[findepi]

while here, static import

[sopel39]

ac

[findepi]

static import

[findepi]

put each arg on separate line

[findepi]

maybe capture this as toLinkedSet helper function

[findepi]

Travis failure looks related

[ERROR] testMultipleColumnsMultipleRanges(io.prestosql.plugin.raptor.legacy.metadata.TestShardPredicate)  Time elapsed: 0.017 s  <<< FAILURE!
java.lang.AssertionError: expected [(((c1_max >= ? OR c1_max IS NULL) AND (c1_min <= ? OR c1_min IS NULL)) OR ((c1_max >= ? OR c1_max IS NULL) AND (c1_min <= ? OR c1_min IS NULL))) AND (((bucket_number >= ? OR bucket_number IS NULL) AND (bucket_number <= ? OR bucket_number IS NULL)) OR ((bucket_number >= ? OR bucket_number IS NULL) AND (bucket_number <= ? OR bucket_number IS NULL)))] but found [(((bucket_number >= ? OR bucket_number IS NULL) AND (bucket_number <= ? OR bucket_number IS NULL)) OR ((bucket_number >= ? OR bucket_number IS NULL) AND (bucket_number <= ? OR bucket_number IS NULL))) AND (((c1_max >= ? OR c1_max IS NULL) AND (c1_min <= ? OR c1_min IS NULL)) OR ((c1_max >= ? OR c1_max IS NULL) AND (c1_min <= ? OR c1_min IS NULL)))]
	at org.testng.Assert.fail(Assert.java:94)
	at org.testng.Assert.failNotEquals(Assert.java:513)
	at org.testng.Assert.assertEqualsImpl(Assert.java:135)
	at org.testng.Assert.assertEquals(Assert.java:116)
	at org.testng.Assert.assertEquals(Assert.java:190)
	at org.testng.Assert.assertEquals(Assert.java:200)
	at io.prestosql.plugin.raptor.legacy.metadata.TestShardPredicate.testMultipleColumnsMultipleRanges(TestShardPredicate.java:133)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:104)
	at org.testng.internal.Invoker.invokeMethod(Invoker.java:645)
	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:851)
	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1177)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:129)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:112)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)