sql查询在django中不起作用:“ django中的格式字符串错误的参数不足”

如何解决sql查询在django中不起作用:“ django中的格式字符串错误的参数不足”

我在MySQL中编写了一个SQL查询,它可以正常运行,但是当我在Django中使用此查询时,它运行时会出错。

我删除了数据库中“标题”的空间。当用户在搜索字段中输入内容时,我还将删除用户文本中的空格,然后开始在数据库中搜索用户文本中是否包含标题。

错误:

SQL查询:

enter image description here

型号:

# Business (کسب و کار) Model
class Business(models.Model):
    title = models.CharField(verbose_name = 'عنوان',max_length = 255)
    slug = models.SlugField(verbose_name = 'شناسه',unique = True)
    FK_CEO = models.ForeignKey(User,verbose_name = 'admin',related_name = 'business_admin_user',on_delete = models.SET_NULL,null = True)
    description = models.TextField(verbose_name = 'توضیحات',blank = True) 
    createdate = models.DateTimeField(verbose_name = 'تاریخ ثبت',auto_now_add = True)
    state = models.CharField(verbose_name = 'استان',max_length = 50,blank = True)
    city = models.CharField(verbose_name = 'شهر',blank = True)
    address = models.TextField(verbose_name = 'آدرس',blank = True)
    FK_Point = models.ManyToManyField('Point',verbose_name = 'امتیازات',related_name = 'business_point',blank = True)
    FK_Comment = models.ManyToManyField('Comment',verbose_name = 'نظرات',related_name = 'business_comment',blank = True)
    phone = models.CharField(verbose_name = 'شماره تماس',max_length = 11,blank = True)
    support_number = models.CharField(verbose_name = 'شماره تماس پشتیبانی',blank = True)
    profile = models.ImageField(verbose_name = 'عکس پروفایل',upload_to = PathAndRename('media/images/business/'),default = 'static/img/joblogo.png',null = True)
    categories = models.FileField(verbose_name = 'دسته بندی ها',upload_to = 'media/json/business/',null = True,blank = True) 
    FK_Activity = models.ForeignKey(Activity,verbose_name = 'زمینه فعالیت',related_name = 'business_activity',null = True)
    FK_BusinessPartne = models.ManyToManyField('Business_Partner',verbose_name = 'شرکای تجاری',related_name = 'business_partners',blank = True)
    FK_Album = models.ManyToManyField('Album',verbose_name = 'آلبوم ها',related_name = 'business_albums',blank = True)
    FK_Product = models.ManyToManyField('Product',verbose_name = 'محصولات',related_name = 'business_products',blank = True)
    FK_Service = models.ManyToManyField('Service',verbose_name = 'خدمات',related_name = 'business_services',blank = True)
    FK_Tag = models.ManyToManyField(Tag,verbose_name = 'تگ ها',related_name = 'business_tags',blank = True)
    PUBLIC_STATUS = (
        (True,'شخصی'),(False,'عمومی'),)
    public = models.BooleanField(verbose_name = 'وضعیت نمایش',choices = PUBLIC_STATUS,default = False)
    PUBLISH_STATUS = (
        (True,'منتشر شده'),'عدم انتشار'),)
    publish = models.BooleanField(verbose_name = 'وضعیت انتشار',choices = PUBLISH_STATUS,default = False)
    ORIGINAL_STATUS = (
        (True,'اصیل'),'غیر اصیل'),)
    original = models.BooleanField(verbose_name = 'وضعیت اصالت',choices = ORIGINAL_STATUS,default = False)
    creator = models.CharField(verbose_name = 'سازنده',max_length = 255,null = True)

查看

def search_page(request,text = None):
    # set session
    request.session['next'] = request.path
    # check text word
    this = None
    if text != None:
        text = text.replace("-"," ")
        search_word = '%' + text + '%'
        sql_query = 'SELECT * FROM main_business WHERE REPLACE(`title`," ","") LIKE {}'.format(search_word)
        this = Business.objects.raw(str(sql_query))
        # this = Business.objects.filter(description__search = text)
        print(len(this.columns))
        for item in this:
            print(item.id)

    context = {
        'ThisBusiness':this,'SearchWord':text,}
    return render(request,'main/pages/search.html',context)

版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。

相关推荐


依赖报错 idea导入项目后依赖报错,解决方案:https://blog.csdn.net/weixin_42420249/article/details/81191861 依赖版本报错:更换其他版本 无法下载依赖可参考:https://blog.csdn.net/weixin_42628809/a
错误1:代码生成器依赖和mybatis依赖冲突 启动项目时报错如下 2021-12-03 13:33:33.927 ERROR 7228 [ main] o.s.b.d.LoggingFailureAnalysisReporter : *************************** APPL
错误1:gradle项目控制台输出为乱码 # 解决方案:https://blog.csdn.net/weixin_43501566/article/details/112482302 # 在gradle-wrapper.properties 添加以下内容 org.gradle.jvmargs=-Df
错误还原:在查询的过程中,传入的workType为0时,该条件不起作用 <select id="xxx"> SELECT di.id, di.name, di.work_type, di.updated... <where> <if test=&qu
报错如下,gcc版本太低 ^ server.c:5346:31: 错误:‘struct redisServer’没有名为‘server_cpulist’的成员 redisSetCpuAffinity(server.server_cpulist); ^ server.c: 在函数‘hasActiveC
解决方案1 1、改项目中.idea/workspace.xml配置文件,增加dynamic.classpath参数 2、搜索PropertiesComponent,添加如下 <property name="dynamic.classpath" value="tru
删除根组件app.vue中的默认代码后报错:Module Error (from ./node_modules/eslint-loader/index.js): 解决方案:关闭ESlint代码检测,在项目根目录创建vue.config.js,在文件中添加 module.exports = { lin
查看spark默认的python版本 [root@master day27]# pyspark /home/software/spark-2.3.4-bin-hadoop2.7/conf/spark-env.sh: line 2: /usr/local/hadoop/bin/hadoop: No s
使用本地python环境可以成功执行 import pandas as pd import matplotlib.pyplot as plt # 设置字体 plt.rcParams['font.sans-serif'] = ['SimHei'] # 能正确显示负号 p
错误1:Request method ‘DELETE‘ not supported 错误还原:controller层有一个接口,访问该接口时报错:Request method ‘DELETE‘ not supported 错误原因:没有接收到前端传入的参数,修改为如下 参考 错误2:cannot r
错误1:启动docker镜像时报错:Error response from daemon: driver failed programming external connectivity on endpoint quirky_allen 解决方法:重启docker -> systemctl r
错误1:private field ‘xxx‘ is never assigned 按Altʾnter快捷键,选择第2项 参考:https://blog.csdn.net/shi_hong_fei_hei/article/details/88814070 错误2:启动时报错,不能找到主启动类 #
报错如下,通过源不能下载,最后警告pip需升级版本 Requirement already satisfied: pip in c:\users\ychen\appdata\local\programs\python\python310\lib\site-packages (22.0.4) Coll
错误1:maven打包报错 错误还原:使用maven打包项目时报错如下 [ERROR] Failed to execute goal org.apache.maven.plugins:maven-resources-plugin:3.2.0:resources (default-resources)
错误1:服务调用时报错 服务消费者模块assess通过openFeign调用服务提供者模块hires 如下为服务提供者模块hires的控制层接口 @RestController @RequestMapping("/hires") public class FeignControl
错误1:运行项目后报如下错误 解决方案 报错2:Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project sb 解决方案:在pom.
参考 错误原因 过滤器或拦截器在生效时,redisTemplate还没有注入 解决方案:在注入容器时就生效 @Component //项目运行时就注入Spring容器 public class RedisBean { @Resource private RedisTemplate<String
使用vite构建项目报错 C:\Users\ychen\work>npm init @vitejs/app @vitejs/create-app is deprecated, use npm init vite instead C:\Users\ychen\AppData\Local\npm-