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Displaying posts with tag: Python (reset)
Using SQLAlchemy with MySQL 8

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I few months ago, I wrote about using the Django framework with MySQL 8. There are also other Python frameworks that are worth considering. In this blog, I will look at using SQLAlchemy with MySQL 8.

In order for you to be able to use MySQL 8 with SQLAlchemy, you need three pieces of software: MySQL Server, MySQL Connector/Python, and SQLAlchemy. I will go through the installations, then I will look at a code example.

Information

The examples in this blog uses MySQL Server 8.0.15, MySQL Connector/Python 8.0.15, and SQLAlchemy 1.2.18. It should be possible to reuse the instructions with other MySQL versions as well, except in older MySQL versions you …

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MySQL Connector/Python 8.0.14+: Changed Expression Handling in mysqlx

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The X DevAPI allows you to work with JSON documents and SQL tables at the same time. Furthermore, the CRUD style API is more intuitive than SQL statements for some programmers. Either way, the X DevAPI allows you to mix JSON documents, SQL tables, CRUD methods, and SQL statements to give you the best of all worlds. In MySQL Connector/Python, the X DevAPI is implemented in the mysqlx module.

This blog will look at how MySQL Connector/Python handles expressions, and how you in version 8.0.14 and later need to use the mysqlx.expr() method to explicitly define expressions.

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MySQL Connector/Python 8.0.15: allow_local_infile Disabled by Default

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MySQL Server has a feature where you can insert data into a table from a file with the data delimited by commas, tabs, or another delimiter. This is particularly useful when you need to bulk import data, for example when restoring a backup or migrating data from one system to another including from another database product than MySQL. The mysqldump backup utility is an example of a program that supports exporting the data to delimited text files.

The statement to load the data is LOAD DATA INFILE. By default the file must be server-side and MySQL …

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MySQL Connector/Python 8.0.15 has been released

Dear MySQL users,

MySQL Connector/Python 8.0.15 is the latest GA release version of the
MySQL Connector Python 8.0 series. The X DevAPI enables application
developers to write code that combines the strengths of the relational
and document models using a modern, NoSQL-like syntax that does not
assume previous experience writing traditional SQL.

To learn more about how to write applications using the X DevAPI, see
http://dev.mysql.com/doc/x-devapi-userguide/en/. For more information
about how the X DevAPI is implemented in MySQL Connector/Python, and its
usage, see http://dev.mysql.com/doc/dev/connector-python.

Please note that the X DevAPI requires at least MySQL Server version 8.0
or higher with the X Plugin …

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Automatic Decryption of MySQL Binary Logs Using Python

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One of the new features in MySQL 8.0.14 is support for encrypting the binary logs. While encryption makes the data more secure (provided the key is secret of course), it can make life a bit more difficult in terms of how easy it is to do tasks such as point-in-time recoveries. This blog shows how you can use the binlog_decrypt.py Python script to decrypt the binary logs as long as you have the keyring that was used to encrypt it.

Introduction and Background

João Gramacho wrote a nice blog how you can use standard Linux programs to decrypt the binary logs. This inspired me to consider implementing …

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Create Aurora Read Replica With AWS CLI/Lambda Python

Today I was working for a scaleable solution in Aurora. Im going to publish that blog post soon in Searce Blog. As a part of this solution, I want to create Aurora read replicas programmatically. So we have done the create aurora read replica with AWS CLI and Lambda with Python. If you refer the …

The post Create Aurora Read Replica With AWS CLI/Lambda Python appeared first on SQLgossip.

Create Aurora Read Replica With AWS CLI/Lambda Python

Today I was working for a scaleable solution in Aurora. Im going to publish that blog post soon in Searce Blog. As a part of this solution, I want to create Aurora read replicas programmatically. So we have done the create aurora read replica with AWS CLI and Lambda with Python. If you refer the AWS Doc, they mentioned there is no separate module for creating Aurora Read replica in boto3 or cli. Instead we can use create-db-instance. Many people may confused with this term. This blog will help them to create aurora read replicas using AWS CLI and Lambda.

Required Permission:

If you are running this code via lambda then you can use the below policy.

  • Lambda - Create a new role for lambda and attach inline policy
  • EC2 Role - Create a new …
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Omnibus as a Solution for Python Dependency Hell

Python has always been an exemplar of good coding style for me. It’s impressive how concise unit tests can be, how flexible mocks are. Really, it’s a great pleasure to write Python code. Up until the point when you need to deploy it. From then on you embark on a rollercoaster to go through a […]

The post Omnibus as a Solution for Python Dependency Hell appeared first on TwinDB.

MySQL Connector/Python 8.0.14 X DevAPI: Default Schema

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The MySQL X DevAPI is the new API that provides a uniform API across the supported programming languages. It has from the beginning supported that you can specify a default schema, when you connect. Originally it was not used for SQL statements. Starting with MySQL 8.0.14 the feature has been extended, so SQL statements take the default schema into consideration as well. This blog will explore how this works using MySQL Connector/Python. If you use a different programming language, the change will work in a similar way.

In order to explore the feature, a sample program is needed. A simple program that prints the MySQL Connector/Python version, queries the city table in the default schema, and either …

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MySQL Connector/Python 8.0.14 has been released

Dear MySQL users,

MySQL Connector/Python 8.0.14 is the latest GA release version of the
MySQL Connector Python 8.0 series. The X DevAPI enables application
developers to write code that combines the strengths of the relational
and document models using a modern, NoSQL-like syntax that does not
assume previous experience writing traditional SQL.

To learn more about how to write applications using the X DevAPI, see
http://dev.mysql.com/doc/x-devapi-userguide/en/. For more information
about how the X DevAPI is implemented in MySQL Connector/Python, and its
usage, see http://dev.mysql.com/doc/dev/connector-python.

Please note that the X DevAPI requires at least MySQL Server version 8.0
or higher with the X Plugin …

[Read more]
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