| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 36 of 50 | 28% | 5 of 6 | 16% | 8 | 10 | 7 | 10 | 5 | 7 |
| accept(ParseTreeVisitor) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| enterRule(ParseTreeListener) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| alterSystemClause() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| ALTER() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| SYSTEM() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| exitRule(ParseTreeListener) | | 100% | | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| DorisParser.AlterSystemContext(DorisParser.UnsupportedAlterStatementContext) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |