Then you could write queries to select from that same database, for example with: from sqlmodel import Field, Session, SQLModel, create_engine, select class Hero(SQLModel, table=True): id: int | None = Field(default=None, primary_key=True) name: str secret_name: str age: int | None...
Tags - These can be used to organize dbt workflows. For example, models can be tagged with “staging”, “dev”, or “prod” and you can trigger dbt to run only for certain tags. Your schema configuration should be placed at the top of the model file like so: {{ config(materialized=...
user = User(username='JohnDoe', email='johndoe@example.com') session.add(user) session.commit() 在这个例子中,我们首先创建了一个User对象,然后通过Session来添加并提交这个对象到数据库。 查询数据 查询数据同样简单。SqlModel提供了丰富的查询构建器,允许你以声明式的方式构建查询: withSession(engine)asses...
/*** * (不推荐)直接用dao调用分页带条件 Example<S> 不支持 a=1 and (b=2 or c=3)这样的逻辑 https://stackoverflow.com/questions/42584191/spring-query-by-example-using-or */ @Test public void findPageDao2() { try { System.out.println("=== findPage ===" ); Sort sort = new So...
fromsqlmodelimportcreate_engine, Session# 创建数据库引擎engine = create_engine("sqlite:///example.db")# 创建Session对象withSession(engine)assession:# 执行原生的SQL语句result = session.execute("SELECT * FROM users WHERE age > :age", {"age":18})# 处理查询结果forrowinresult:print(row) ...
Although we won't use that for SQLModel.SELECT Fewer Columns¶We can also SELECT fewer columns, for example:SELECT id, name FROM hero Here we are only selecting the id and name columns.And it would result in a table like this:
For example, if we execute the stored procedure in the new, just created database, it successfully runs. USE[NewDB2]GODECLARE@return_valueintEXEC@return_value=[dbo].[getTestTableData]SELECT'Return Value'=@return_valueGO This feature of the model database can be used to create a predefined...
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import vanna as vn # STEP 01: This is a simple example of how to use the Vanna API api_key = vn.get_api_key('your_email') # Set the API key and the model vn.set_api_key(api_key) # STEP 02: Set the model vn.set_model('chinook') # STEP 03: Connect with the database vn...
Example For an introduction to databases, SQL, and everything else, see the SQLModel documentation. Here's a quick example. ✨ A SQL Table Imagine you have a SQL table called hero with: id name secret_name age And you want it to have this data: idnamesecret_nameage 1 Deadpond Dive...