Add getRetainedSizeInBytes to faker split

Author: losipiuk

plugin/trino-faker/src/main/java/io/trino/plugin/faker/FakerSplit.java

@@ -16,14 +16,23 @@
 import io.trino.spi.connector.ConnectorSplit;
 
 import static com.google.common.base.Preconditions.checkArgument;
+import static io.airlift.slice.SizeOf.instanceSize;
 
 public record FakerSplit(long splitNumber, long rowsOffset, long rowsCount)
         implements ConnectorSplit
 {
+    private static final int INSTANCE_SIZE = instanceSize(FakerSplit.class);
+
     public FakerSplit
     {
         checkArgument(splitNumber >= 0, "splitNumber is negative");
         checkArgument(rowsOffset >= 0, "rowsOffset is negative");
         checkArgument(rowsCount >= 0, "rowsCount is negative");
     }
+
+    @Override
+    public long getRetainedSizeInBytes()
+    {
+        return INSTANCE_SIZE;
+    }
 }