| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 477 of 570 | 16% | 78 of 88 | 11% | 47 | 54 | 90 | 116 | 5 | 10 |
| rewriteAlterClause(OlapTable) | | 10% | | 6% | 21 | 23 | 49 | 56 | 0 | 1 |
| analyze() | | 0% | | 0% | 7 | 7 | 19 | 19 | 1 | 1 |
| checkExternalTableOperationAllow(Table) | | 0% | | 0% | 9 | 9 | 9 | 9 | 1 | 1 |
| toSql() | | 51% | | 43% | 7 | 9 | 9 | 22 | 0 | 1 |
| setTableName(String) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| toString() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| stmtType() | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | ||
| AlterTableStmt(TableName, List) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| getTbl() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getOps() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |