| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 857 of 857 | 0% | 182 of 182 | 0% | 106 | 106 | 222 | 222 | 11 | 11 |
| toSubstraitProtoType(Field) | | 0% | | 0% | 18 | 18 | 55 | 55 | 1 | 1 |
| applyTypeVariations(Expression) | | 0% | | 0% | 19 | 19 | 47 | 47 | 1 | 1 |
| serialize(Expression) | | 0% | | 0% | 3 | 3 | 37 | 37 | 1 | 1 |
| supportsType(ArrowType) | | 0% | | 0% | 24 | 24 | 22 | 22 | 1 | 1 |
| fieldType(Field) | | 0% | | 0% | 15 | 15 | 27 | 27 | 1 | 1 |
| applyUnsignedIntegerLiteralVariation(Expression, int) | | 0% | | 0% | 11 | 11 | 12 | 12 | 1 | 1 |
| fieldType(Expression) | | 0% | | 0% | 6 | 6 | 8 | 8 | 1 | 1 |
| applyLargeUtf8LiteralVariation(Expression) | | 0% | | 0% | 3 | 3 | 5 | 5 | 1 | 1 |
| timestampPrecision(ArrowType.Timestamp) | | 0% | | 0% | 4 | 4 | 5 | 5 | 1 | 1 |
| nullability(Field) | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| LanceSubstraitSerializer(Schema) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 |