| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | 
| Total | 20 of 67 | 70% | 1 of 2 | 50% | 7 | 11 | 7 | 18 | 6 | 10 | 
| validate(ConnectContext) |   | 50% |   | 50% | 1 | 2 | 1 | 3 | 0 | 1 | 
| getColName() |  | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getComment() |  | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| toString() |  | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getProperties() |  | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| allowOpMTMV() |  | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| needChangeMTMVState() |  | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| toSql() |  | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| ModifyColumnCommentOp(String, String) |  | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| translateToLegacyAlterClause() |  | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |