The final code block then reformats the assignment lines, by iterating through the original buffer line Numbers (linenum) and through each line in the lines list, in parallel.
最后的代码块同时遍历原来的缓存行号(linenum)和行列表中的每个行，以重新格式化赋值行。
2
The compilation of the query on the remote server and fetching of enough data to fill the ATQ buffer on all legs of the UNION will proceed in parallel.