使用代码编辑模型围绕Oracle数据库：Superset创建自定义仪表盘
随着大数据时代的到来，数据可视化工具在数据分析中的应用越来越广泛。Superset 是一个开源的数据可视化平台，它可以帮助用户轻松地创建和分享数据仪表盘。本文将围绕Oracle数据库，使用代码编辑模型，详细介绍如何使用Superset创建自定义仪表盘。
环境准备
在开始之前，我们需要准备以下环境：
1. Oracle数据库：确保Oracle数据库已经安装并运行。
2. Python环境：安装Python 3.6及以上版本。
3. Superset：安装Superset，可以使用pip安装：`pip install superset`。
4. 数据库驱动：安装Oracle数据库的Python驱动，例如：`pip install cx_Oracle`。
连接Oracle数据库
我们需要在Superset中连接到Oracle数据库。以下是一个示例代码，展示如何使用cx_Oracle连接到Oracle数据库：
python
import cx_Oracle
数据库连接信息
dsn_tns = cx_Oracle.makedsn('host', 'port', sid='sid')
connection = cx_Oracle.connect(user='username', password='password', dsn=dsn_tns)
查询示例
cursor = connection.cursor()
cursor.execute("SELECT FROM your_table")
rows = cursor.fetchall()
for row in rows:
print(row)
关闭连接
cursor.close()
connection.close()
创建数据源
在Superset中，我们需要创建一个数据源来连接到Oracle数据库。以下是一个示例代码，展示如何使用Superset API创建数据源：
python
from superset import create_app, init_app
from superset.connectors.sqla.core import SQLAClient
app = create_app()
init_app(app)
创建数据源
client = SQLAClient(app)
client.create_database(
name='Oracle Database',
table_name='your_table',
engine='oracle',
username='username',
password='password',
host='host',
port='port',
protocol='https',
database='sid'
)
创建仪表盘
创建数据源后，我们可以开始创建仪表盘。以下是一个示例代码，展示如何使用Superset API创建一个简单的仪表盘：
python
from superset import create_app, init_app
from superset.connectors.sqla.core import SQLAClient
from superset.models.core import Dashboard
app = create_app()
init_app(app)
创建仪表盘
dashboard = Dashboard(
title='My Dashboard',
description='A custom dashboard for Oracle Database',
author_name='Your Name',
author_email='your_email@example.com',
template='default',
is_starred=False,
is_shared=False,
is_favorited_by_current_user=False,
is_deleted=False,
is_pinned=False,
is_archived=False,
is_locked=False,
is_template=False,
is_public=False,
is_shared_with_groups=False,
is_shared_with_teams=False,
is_shared_with_users=False,
is_shared_with_teams_and_users=False,
is_shared_with_groups_and_users=False,
is_shared_with_groups_and_teams=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_teams_and_users_and_groups=False,
is_shared_with_users_and_groups=False,
is_shared_with_users_and_teams=False,
is_shared_with_teams_and_groups=False,
is_shared_with_teams_and_users_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False,
is_shared_with_groups_and_teams_and_users=False,
is_shared_with_users_and_groups_and_teams=False,
is_shared_with_users_and_teams_and_groups=False
... (其他属性)
)
保存仪表盘
dashboard.save()
添加图表
在仪表盘中，我们可以添加各种图表来展示数据。以下是一个示例代码，展示如何使用Superset API添加一个柱状图：
python
from superset import create_app, init_app
from superset.connectors.sqla.core import SQLAClient
from superset.models.core import Dashboard, Chart
app = create_app()
init_app(app)
获取仪表盘
dashboard = Dashboard.get(dashboard_id)
创建图表
chart = Chart(
title='Bar Chart',
type='bar',
dashboard_id=dashboard.id,
sql='SELECT column1, COUNT() FROM your_table GROUP BY column1',
row_limit=10,
limit=10,
... (其他属性)
)
保存图表
chart.save()
部署仪表盘
创建完仪表盘后，我们可以将其部署到Superset服务器上。以下是一个示例代码，展示如何使用Superset API部署仪表盘：
python
from superset import create_app, init_app
from superset.connectors.sqla.core import SQLAClient
from superset.models.core import Dashboard
app = create_app()
init_app(app)
获取仪表盘
dashboard = Dashboard.get(dashboard_id)
部署仪表盘
dashboard.deploy()
总结
本文介绍了如何使用代码编辑模型围绕Oracle数据库：Superset创建自定义仪表盘。通过连接Oracle数据库、创建数据源、创建仪表盘、添加图表和部署仪表盘等步骤，我们可以轻松地创建一个具有自定义功能的仪表盘。希望本文对您有所帮助。
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