public void generateAccessors(DrillCursor cursor, RecordBatchLoader currentBatch){
int cnt = currentBatch.getSchema().getFieldCount();
accessors = new Accessor[cnt];
for(int i =0; i < cnt; i++){
SqlAccessor acc = TypeHelper.getSqlAccessor(currentBatch.getValueAccessorById(null, i).getValueVector());
accessors[i] = new AvaticaDrillSqlAccessor(acc, cursor);
}
}