MDEV-6121 is about adding the ARRAY data type as a possible table column data type.
To make patches smaller, let's first introduce the ARRAY data type as a possible SP data type in:
- Stored routine variables
- Stored routine parameters
- Stored function RETURNS clasuse
This will introduce all required infrastructure, like Type_handler_array and its dependency classes.
The main patch for MDEV-6121 will later concentrate on things like:
- packing arrays into records