.getVariable(variableDefinition)
.getVariable(positionVariable)
.invokeInterface(com.facebook.presto.spi.block.Block.class, "isNull", boolean.class, int.class))
.ifTrue(NOP)
.ifFalse(loopBody);
loopBody = new Block(context).append(builder.build());
}
}
// Check that sample weight is > 0 (also checks the mask)
if (sampleWeightVariable != null) {