问题是您试图将整个文件读入内存中。时间，如果文件确实太大，可能会导致内存不足。

The problem is that you try to read an entire file into memory at a time, which can cause you to run out of memory if the file is indeed too large.

您应该一次读取一行文件，因为每一行都在文件显然是JSON字符串，您可以直接在循环中处理每一行：

You should read the file one line at a time, and since each line in a file is apparently a JSON string, you can process each line directly in the loop:

with z.open(filename) as f:
    for line in f:
        insert_query(json.loads(line.decode('utf-8')))

您的 insert_query 函数应接受 data 作为参数，方式：

Your insert_query function should accept data as a parameter, by the way:

def insert_query(data):