Change Details

We intend {T108255} and want {T112637}, so document. - recommend debugging settings that display warnings - warn that these warnings will become errors - new requirements in coding standards: no warnings and primary key on all tables) Relevant wiki pages - https://www.mediawiki.org/wiki/Category:MediaWiki_development_policies - https://www.mediawiki.org/wiki/Database_optimization - https://www.mediawiki.org/wiki/Development_policy#Database_patches - Other database-related guidance for developers: - https://www.mediawiki.org/wiki/Performance_guidelines - https://www.mediawiki.org/wiki/Manual:Coding_conventions/Database - https://www.mediawiki.org/wiki/Architecture_guidelines