| Name | mysqlx JSON |
| Version |
2.1.4
JSON |
| download |
| home_page | https://gitee.com/summry/mysqlx |
| Summary | A thread safe sql executor for MySQL like MyBatis with connection pool. It helps you automatically manage database connections and transactions. It also provides ORM operations for single tables. |
| upload_time | 2024-04-22 01:21:11 |
| maintainer | None |
| docs_url | None |
| author | summy |
| requires_python | >=3.5 |
| license | None |
| keywords |
sql
mysql
mybatis
python
|
| VCS |
|
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
|
| coveralls test coverage |
No coveralls.
|
Mapper file
'''''''''''
Create a mapper file in 'mapper' folder, you can named
'user_mapper.xml', like follow:
.. code:: xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "https://gitee.com/summry/mysqlx/blob/master/dtd/mapper.dtd">
<mapper namespace="user">
<select id="select_all">
select id, name, age from user
</select>
<select id="select_by_name">
select id, name, age from user where name = ?
</select>
<select id="select_by_name2">
select id, name, age from user where name = :name
</select>
<select id="select_include" include="select_all">
{{ select_all }}
{% if name -%}
where name = :name
{%- endif -%}
</select>
</mapper>
Usage Sample
''''''''''''
.. code:: python
from mysqlx.orm import Model
from typing import List, Tuple, Mapping
from mysqlx import mapper, sql, db, dbx, init_db
@mapper(namespace='user')
def select_all(): List
@mapper(namespace='user')
def select_by_name(name: str): List
@mapper(namespace='user')
def select_by_name2(name: str): List
@mapper(namespace='user')
def select_include(name: str): List
@sql('select id, name, age from user where name = ?')
def query_by_name(name: str): List(Mapping)
@sql('select id, name, age from user where name = :name')
def query_by_name2(name: str): List(Mapping)
if __name__ == '__main__':
init_db(host='127.0.0.1', port='3306', user='xxx', password='xxx', database='test', pool_size=5, show_sql=True, mapper_path='./mapper')
users = select_all()
# result:
# (3, 'zhangsan', 15)
# (4, 'lisi', 26)
# (5, 'wangwu', 38)
users = select_by_name('zhangsan')
# result:
# (3, 'zhangsan', 15)
users = select_by_name2(name='zhangsan')
# result:
# (3, 'zhangsan', 15)
users = select_include(name='zhangsan')
# result:
# (3, 'zhangsan', 15)
users = query_by_name('zhangsan')
# result:
# {'id': 3, 'name': 'zhangsan', 'age': 15}
users = query_by_name2(name='zhangsan')
# result:
# {'id': 3, 'name': 'zhangsan', 'age': 15}
# you can use dbx execte mapper sql with full sql id: namespace join sql id
users = dbx.select('user.select_all') # 'user' is namespace, 'select_all' is sql id
# result:
# (3, 'zhangsan', 15)
# (4, 'lisi', 26)
# (5, 'wangwu', 38)
users = dbx.select('user.select_by_name', name='zhangsan')
# result:
# (3, 'zhangsan', 15)
users = dbx.sql('user.select_by_name').select(name='zhangsan')
# result:
# (3, 'zhangsan', 15)
# you can direct execute sql with db
effected_rowcount = db.insert(table='user', name='zhaoliu', age=66)
users = db.select('select id, name, age from user')
# result:
# (3, 'zhangsan', 15)
# (4, 'lisi', 26)
# (5, 'wangwu', 38)
users = db.query('select id, name, age from user name = :name', name='zhangsan')
# result:
# [{'id': 3, 'name': 'zhangsan', 'age': 15}]
users = db.sql('select id, name, age from user name = :name').query(name='zhangsan')
# result:
# [{'id': 3, 'name': 'zhangsan', 'age': 15}]
Transaction
'''''''''''
.. code:: python
from mysqlx import with_transaction, transaction
@with_transaction
def test_transaction():
insert_func(....)
update_func(....)
def test_transaction2():
with transaction():
insert_func(....)
update_func(....)
You can generate model class with mysqlx-generator: https://pypi.org/project/sqlx-orm
If you want to operate PostgreSQL database, may be you need PgSqlx: https://pypi.org/project/pgsqlx
If you just wanted a simple sql executor, may be you need sqlx-exec: https://pypi.org/project/sqlx-exec
If you wanted simultaneously support MySQL and PostgreSQL, may be you need sqlx-batis: https://pypi.org/project/sqlx-batis
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"description": "Mapper file\r\n'''''''''''\r\n\r\nCreate a mapper file in 'mapper' folder, you can named\r\n'user_mapper.xml', like follow:\r\n\r\n.. code:: xml\r\n\r\n <?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n <!DOCTYPE mapper PUBLIC \"-//mybatis.org//DTD Mapper 3.0//EN\" \"https://gitee.com/summry/mysqlx/blob/master/dtd/mapper.dtd\">\r\n <mapper namespace=\"user\">\r\n <select id=\"select_all\">\r\n select id, name, age from user\r\n </select>\r\n\r\n <select id=\"select_by_name\">\r\n select id, name, age from user where name = ?\r\n </select>\r\n\r\n <select id=\"select_by_name2\">\r\n select id, name, age from user where name = :name\r\n </select>\r\n\r\n <select id=\"select_include\" include=\"select_all\">\r\n {{ select_all }}\r\n {% if name -%}\r\n where name = :name\r\n {%- endif -%}\r\n </select>\r\n </mapper>\r\n\r\nUsage Sample\r\n''''''''''''\r\n\r\n.. code:: python\r\n\r\n from mysqlx.orm import Model\r\n from typing import List, Tuple, Mapping\r\n from mysqlx import mapper, sql, db, dbx, init_db\r\n\r\n @mapper(namespace='user')\r\n def select_all(): List\r\n\r\n @mapper(namespace='user')\r\n def select_by_name(name: str): List\r\n\r\n @mapper(namespace='user')\r\n def select_by_name2(name: str): List\r\n\r\n @mapper(namespace='user')\r\n def select_include(name: str): List\r\n\r\n @sql('select id, name, age from user where name = ?')\r\n def query_by_name(name: str): List(Mapping)\r\n\r\n @sql('select id, name, age from user where name = :name')\r\n def query_by_name2(name: str): List(Mapping)\r\n\r\n if __name__ == '__main__':\r\n init_db(host='127.0.0.1', port='3306', user='xxx', password='xxx', database='test', pool_size=5, show_sql=True, mapper_path='./mapper')\r\n\r\n users = select_all()\r\n # result:\r\n # (3, 'zhangsan', 15)\r\n # (4, 'lisi', 26)\r\n # (5, 'wangwu', 38)\r\n\r\n users = select_by_name('zhangsan')\r\n # result:\r\n # (3, 'zhangsan', 15)\r\n\r\n users = select_by_name2(name='zhangsan')\r\n # result:\r\n # (3, 'zhangsan', 15)\r\n\r\n users = select_include(name='zhangsan')\r\n # result:\r\n # (3, 'zhangsan', 15)\r\n\r\n users = query_by_name('zhangsan')\r\n # result:\r\n # {'id': 3, 'name': 'zhangsan', 'age': 15}\r\n\r\n users = query_by_name2(name='zhangsan')\r\n # result:\r\n # {'id': 3, 'name': 'zhangsan', 'age': 15}\r\n \r\n # you can use dbx execte mapper sql with full sql id: namespace join sql id\r\n users = dbx.select('user.select_all') # 'user' is namespace, 'select_all' is sql id\r\n # result:\r\n # (3, 'zhangsan', 15)\r\n # (4, 'lisi', 26)\r\n # (5, 'wangwu', 38)\r\n\r\n users = dbx.select('user.select_by_name', name='zhangsan')\r\n # result:\r\n # (3, 'zhangsan', 15)\r\n\r\n users = dbx.sql('user.select_by_name').select(name='zhangsan')\r\n # result:\r\n # (3, 'zhangsan', 15)\r\n\r\n # you can direct execute sql with db\r\n effected_rowcount = db.insert(table='user', name='zhaoliu', age=66)\r\n\r\n users = db.select('select id, name, age from user')\r\n # result:\r\n # (3, 'zhangsan', 15)\r\n # (4, 'lisi', 26)\r\n # (5, 'wangwu', 38)\r\n\r\n users = db.query('select id, name, age from user name = :name', name='zhangsan')\r\n # result:\r\n # [{'id': 3, 'name': 'zhangsan', 'age': 15}]\r\n\r\n users = db.sql('select id, name, age from user name = :name').query(name='zhangsan')\r\n # result:\r\n # [{'id': 3, 'name': 'zhangsan', 'age': 15}]\r\n\r\nTransaction\r\n'''''''''''\r\n\r\n.. code:: python\r\n\r\n from mysqlx import with_transaction, transaction\r\n\r\n @with_transaction\r\n def test_transaction():\r\n insert_func(....)\r\n update_func(....)\r\n\r\n\r\n def test_transaction2():\r\n with transaction():\r\n insert_func(....)\r\n update_func(....)\r\n\r\nYou can generate model class with mysqlx-generator: https://pypi.org/project/sqlx-orm\r\n\r\nIf you want to operate PostgreSQL database, may be you need PgSqlx: https://pypi.org/project/pgsqlx\r\n\r\nIf you just wanted a simple sql executor, may be you need sqlx-exec: https://pypi.org/project/sqlx-exec\r\n\r\nIf you wanted simultaneously support MySQL and PostgreSQL, may be you need sqlx-batis: https://pypi.org/project/sqlx-batis\r\n\r\n\r\n",
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