Disable existence checks in S3OutputFile.create

lib/trino-filesystem-s3/src/main/java/io/trino/filesystem/s3/S3OutputFile.java

@@ -71,10 +71,10 @@ public void createExclusive(byte[] data)
     @Override
     public OutputStream create(AggregatedMemoryContext memoryContext)
     {
-        return create(memoryContext, context.exclusiveWriteSupported());
+        return create(memoryContext, false);
     }
 
-    public OutputStream create(AggregatedMemoryContext memoryContext, boolean exclusive)
+    private OutputStream create(AggregatedMemoryContext memoryContext, boolean exclusive)
     {
         return new S3OutputStream(memoryContext, uploadExecutor, client, context, location, exclusive, key);
     }

lib/trino-filesystem-s3/src/test/java/io/trino/filesystem/s3/AbstractTestS3FileSystem.java

@@ -94,6 +94,12 @@ protected final Location getRootLocation()
         return Location.of("s3://%s/".formatted(bucket()));
     }
 
+    @Override
+    protected boolean isCreateExclusive()
+    {
+        return false;
+    }
+
     @Override
     protected final boolean supportsRenameFile()
     {

lib/trino-filesystem-s3/src/test/java/io/trino/filesystem/s3/TestS3FileSystemS3Mock.java

@@ -38,12 +38,6 @@ public class TestS3FileSystemS3Mock
     private static final S3MockContainer S3_MOCK = new S3MockContainer("3.0.1")
             .withInitialBuckets(BUCKET);
 
-    @Override
-    protected boolean isCreateExclusive()
-    {
-        return false; // not supported by s3-mock
-    }
-
     @Override
     protected boolean supportsCreateExclusive()
     {

lib/trino-filesystem/src/main/java/io/trino/filesystem/TrinoOutputFile.java

@@ -62,7 +62,7 @@ default void createExclusive(byte[] data)
      * <p>
      * If the file already exists, the method may fail or the file may be overwritten,
      * depending on the file system implementation.
-     * For example, S3 does not support creating files exclusively, and performing an
+     * For example, S3 used not to support creating files exclusively, and performing an
      * existence check before creating the file is both expensive and unnecessary for
      * locations that are expected to be unique.
      * <p>