Data Dictionary Table Alter with Wide Columns (datastore_mysql_import)

[paul-m]

Fixes [issue#]

Describe your changes

Make a service decorator for dkan.datastore.data_dictionary.alter_table_query_builder.mysql that lives in datastore_mysql_import that sets up a MySql execute() session with innodb_safe_mode off. This allows for the wide/big table names during table alters.

QA Steps

• [ ] Add manual QA steps in checklist format for a reviewer to perform. Be as specific as possible, provide examples if appropriate.

Checklist before requesting review

If any of these are left unchecked, please provide an explanation

• [ ] I have updated or added tests to cover my code
• [ ] I have updated or added documentation