Adding the JOIN_FULL_OUTER class constant, since there are DBMS' out …

[galvao]

…there which can't handle an unqualified OUTER JOIN. An example of that can be found in PostgreSQL (See: https://www.postgresql.org/docs/11/sql-select.html).

Provide a narrative description of what you are trying to accomplish:

• [ ] Are you fixing a bug?

  • [ ] Detail how the bug is invoked currently.
  • [ ] Detail the original, incorrect behavior.
  • [ ] Detail the new, expected behavior.
  • [ ] Base your feature on the master branch, and submit against that branch.
  • [ ] Add a regression test that demonstrates the bug, and proves the fix.
  • [ ] Add a CHANGELOG.md entry for the fix.

• [x] Are you creating a new feature?

  • [x] Why is the new feature needed? What purpose does it serve?
  • [x] How will users use the new feature?
  • [ ] Base your feature on the develop branch, and submit against that branch.
  • [x] Add only one feature per pull request; split multiple features over multiple pull requests
  • [ ] Add tests for the new feature.
  • [x] Add documentation for the new feature.
  • [ ] Add a CHANGELOG.md entry for the new feature.

• [ ] Is this related to quality assurance?

• [x] Is this related to documentation?

[weierophinney]

This repository has been closed and moved to laminas/laminas-db; a new issue has been opened at https://github.com/laminas/laminas-db/issues/22.

[weierophinney]

This repository has been moved to laminas/laminas-db. If you feel that this patch is still relevant, please re-open against that repository, and reference this issue. To re-open, we suggest the following workflow:

• Squash all commits in your branch (git rebase -i origin/{branch})
• Make a note of all changed files (`git diff --name-only origin/{branch}...HEAD
• Run the laminas/laminas-migration tool on the code.
• Clone laminas/laminas-db to another directory.
• Copy the files from the second bullet point to the clone of laminas/laminas-db.
• In your clone of laminas/laminas-db, commit the files, push to your fork, and open the new PR. We will be providing tooling via laminas/laminas-migration soon to help automate the process.