| ⇢ | B | AbstractColumn::sqlStatementParts() added | |
| ⇢ | A | MySQLColumn::compare() added | |
| ⇢ | A | AbstractColumn::setAttributes() added | |
| ⇢ | A | AbstractColumn::getAttributes() added | |
| B | ↗ | A | AbstractColumn::sqlStatement() improved |
| C | ↘ | F | MySQLColumn::createInstance() got worse |