- fix some column definitions (blob, text, integer, bigint, varchar, char)
- add column def (datetime)
- add Index constraint type
- add AlterTableDecorator for Platform
- adjust tests to be compatible with new definitions
add DateTime back
ad nl at the end of DateTime
minor changes: update annotations
fix alter table decorator, fix blob,text, timestamp, remove old dateTime
fix text formatting (remove new line)
fix integer - to allow length
return bigint to inherit int, as it allows length; boolean type should be boolean, not tinyint
#6556 - minor CS fixes (spacing)
#6556 - minor CS fixes (spacing), explicit casting in constructor
#6556 - minor CS fixes (spacing)
Merge branch 'hotfix/#6556-ddl-component-fixes' into develop

Close #6556