How to migrate a MySQL database to postgresqil using pgloader?

How to migrate a MySQL database to postgresqil using pgloader?

How To Migrate a MySQL Database to PostgreSQL Using pgLoader 1 (Optional) Creating a Sample Database and Table in MySQL 2 Installing pgLoader 3 Creating a PostgreSQL Role and Database 4 Creating a Dedicated User in MySQL and Managing Certificates 5 Migrating the Data 6 Exploring Other Migration Options

How to migrate a dbf database to PostgreSQL?

A standard data type conversion from DBF to PostgreSQL is done. When this option is listed, pgloader skips the creation of table before loading data, target tables must then already exist.

How are Boolean data types stored in PostgreSQL?

It chugged through the mysql dump file and produced a pg dump file, with the following issues. I was importing to Heroku so I used their pgbackups plugin which worked almost flawlessly. Boolean data types. MySQL stores these as 0 and 1. PostGreSQL stores them as t and f. Watch that the booleans dont get migrated as integers. Auto incrementing IDs.

Is there a way to read data from MySQL to Postgres?

By default, it reads data from MySQL and writes to Postgres. But you can ask it to write the schema and/or data to a file for inspecting before loading into Postgres. You can use https://github.com/mihailShumilov/mysql2postgresql This is wroted on PHP convertor

How does pgloader load data from a database?

This command instructs pgloader to load data from a database connection. pgloader supports dynamically converting the schema of the source database and the indexes building. A default set of casting rules are provided and might be overloaded and appended to by the command.

How to convert MySQL identifiers to downcase in pgloader?

When this option is listed, pgloader converts all MySQL identifiers (table names, index names, column names) to downcase, except for PostgreSQL reserved keywords. The PostgreSQL reserved keywords are determined dynamically by using the system function pg_get_keywords ().

How to migrate a table from PostgreSQL to bigint?

So it’s possible to migrate a table from a PostgreSQL database while changing and int column to a bigint one, automatically. The casting rules are applied in order, the first match prevents following rules to be applied, and user defined rules are evaluated first. The supported guards are:

When does pgloader reset PostgreSQL to maximum value?

When this option is listed, at the end of the data loading and after the indexes have all been created, pgloader resets all the PostgreSQL sequences created to the current maximum value of the column they are attached to. The options schema only and data only have no effects on this option.

Is the BLOB data type in PostgreSQL?

Blob (Binary large object) is an Oracle data type that is used to store binary data like contents of a file or information like audio, video, and images. PostgreSQL does not have the Blob data type directly, but we can work with it using the methods below. A large object is a value stored outside of a table.

How to create a database in PostgreSQL 5.1?

Download the f1db.sql.gz MySQL 5.1 database dump from there, install it in some MySQL instance and then run the command above. To be complete, let’s mention that pgloader will not create the target database, so you have to do that yourself.