Support Oracle sequences

[rydnr]

Information

Currently, the generated code is not able to handle attributes whose values are tied to Oracle sequences.

Actions required

• Check the sequence information is retrieved correctly from the database.
• Check the sequence information is available to templates.

Steps to reproduce

• Tag an attribute with '@sequence mySequence'.
• Print '<attr.sequence>' in a template.
• Check the generated content doesn't include the sequence information.

Acceptance criteria

• Tag an attribute with '@sequence mySequence'.
• Print '<attr.sequence>' in a template.
• Check the generated content include the sequence information.