在Django中运行纯SQL查询时如何获取字段名

根据 PEP 249 ,您可以尝试使用 cursor.description 但这并不完全可靠。

上 Django docs 提供了一个非常简单的方法(它确实使用 cursor.description ,伊格纳西奥回答)。

def dictfetchall(cursor):
    "Returns all rows from a cursor as a dict"
    desc = cursor.description
    return [
        dict(zip([col[0] for col in desc], row))
        for row in cursor.fetchall()
    ]

我在Doug Hellmann的博客中找到了一个很好的解决方案:

http://doughellmann.com/2007/12/30/using-raw-sql-in-django.html

from itertools import *
from django.db import connection

def query_to_dicts(query_string, *query_args):
    """Run a simple query and produce a generator
    that returns the results as a bunch of dictionaries
    with keys for the column values selected.
    """
    cursor = connection.cursor()
    cursor.execute(query_string, query_args)
    col_names = [desc[0] for desc in cursor.description]
    while True:
        row = cursor.fetchone()
        if row is None:
            break
        row_dict = dict(izip(col_names, row))
        yield row_dict
    return

示例用法:

  row_dicts = query_to_dicts("""select * from table""")