/关系“ Django-Personal-Website_project”处的ProgrammingError不存在LINE 1：...“ Django-Personal-Website_project”

时间：2019-06-28 06:57:03

标签： python html django

因此，对于heroku，我无法使用数据库sqlite3作为数据库，因此我尝试将其切换为Postgre，并且遇到了一个问题，该问题也源于在Heroku上部署我的个人网站。我遇到了很多麻烦，不知道如何解决。

我正在尝试将项目面板添加到我的网站，但是每当我将此HTML添加到网站时，我都不会出现关联错误。我相信这是因为我改用了PostgreSQL，但不知道为什么是问题所在。有人，请帮忙！

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql_psycopg2',
        'NAME': 'django',
        'USER': 'chrisrosales',
        'PASSWORD': 'notgonnashowlol',
        'HOST': 'localhost',
        'PORT': '5432',
    }
}

问题在于这个投资组合... 

    <section id="portfolio" class="pfblock">
        <div class="container">
            <div class="row">

                <div class="col-sm-6 col-sm-offset-3">

                    <div class="pfblock-header wow fadeInUp">
                        <h2 class="pfblock-title">My works</h2>
                        <div class="pfblock-line"></div>
                        <div class="pfblock-subtitle">

                        </div>
                    </div>

                </div>

            </div><!-- .row -->

            <div class="row">
                {% for project in list_projects|slice:":2" %}
                    <div class="card col-xs-12 col-sm-5 col-md-5">
                            <div class="grid wow zoomIn">

                                <figure class="effect-bubba"><a href="{{ project.url }}" target="_blank">
                                    {% with 'Django-Personal-Website/images/'|add:project.img_name as image_static %}
                                            <img class="card-img-top" src="{% static image_static %}"></a>
                                    {% endwith %}
                                </figure>

                                <div class="card-block">
                                    <h2 class="card-title">{{ project.title }}</h2>
                                    <p class="card-text">{{ project.description }}</p>
                                    <div class="tools">
                                        {% for tool in project.tools.split %}
                                            <span>{{ tool }}</span>
                                        {% endfor %}
                                    </div>
                                </div>

                            </div>
                        </div>
                    {% endfor %}
                </div>
        </div><!-- .contaier -->

    </section>

这是错误消息

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\core\handlers\exception.py", line 34, in inner
    response = get_response(request)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\core\handlers\base.py", line 145, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\core\handlers\base.py", line 143, in _get_response
    response = response.render()
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\template\response.py", line 106, in render
    self.content = self.rendered_content
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\template\response.py", line 83, in rendered_content
    content = template.render(context, self._request)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\template\backends\django.py", line 61, in render
    return self.template.render(context)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\template\base.py", line 171, in render
    return self._render(context)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\template\base.py", line 163, in _render
    return self.nodelist.render(context)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\template\base.py", line 937, in render
    bit = node.render_annotated(context)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\template\base.py", line 904, in render_annotated
    return self.render(context)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\template\loader_tags.py", line 53, in render
    result = self.nodelist.render(context)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\template\base.py", line 937, in render
    bit = node.render_annotated(context)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\template\base.py", line 904, in render_annotated
    return self.render(context)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\template\defaulttags.py", line 166, in render
    len_values = len(values)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\db\models\query.py", line 256, in __len__
    self._fetch_all()
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\db\models\query.py", line 1242, in _fetch_all
    self._result_cache = list(self._iterable_class(self))
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\db\models\query.py", line 55, in __iter__
    results = compiler.execute_sql(chunked_fetch=self.chunked_fetch, chunk_size=self.chunk_size)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\db\models\sql\compiler.py", line 1100, in execute_sql
    cursor.execute(sql, params)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\db\backends\utils.py", line 99, in execute
    return super().execute(sql, params)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\db\backends\utils.py", line 67, in execute
    return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\db\backends\utils.py", line 76, in _execute_with_wrappers
    return executor(sql, params, many, context)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\db\backends\utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\db\utils.py", line 89, in __exit__
    raise dj_exc_value.with_traceback(traceback) from exc_value
  File "C:\Users\silen\Documents\Projects\Django-Personal-Website\virtualenv\lib\site-packages\django\db\backends\utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)
django.db.utils.ProgrammingError: relation "Django-Personal-Website_project" does not exist
LINE 1: ..."Django-Personal-Website_project"."img_name" FROM "Django-Pe...

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