| SubstrFunctionExtension.java |   | 95% | | 88% | 9 | 36 | 4 | 77 | 4 | 12 | 0 | 3 |
| EqualsIgnoreCaseFunctionExtension.java | | 90% | | 87% | 4 | 11 | 4 | 20 | 3 | 7 | 0 | 1 |
| ContainsFunctionExtension.java | | 93% | | 91% | 4 | 14 | 4 | 25 | 3 | 8 | 0 | 1 |
| SplitFunctionExtension.java | | 97% | | 100% | 3 | 14 | 3 | 31 | 3 | 7 | 0 | 1 |
| RegexpFunctionExtension.java | | 96% | | 100% | 3 | 14 | 3 | 32 | 3 | 7 | 0 | 1 |
| ReplaceFirstFunctionExtension.java | | 96% | | 100% | 3 | 14 | 3 | 28 | 3 | 7 | 0 | 1 |
| ReplaceAllFunctionExtension.java | | 96% | | 100% | 3 | 14 | 3 | 28 | 3 | 7 | 0 | 1 |
| CharAtFunctionExtension.java | | 96% | | 100% | 3 | 12 | 3 | 24 | 3 | 7 | 0 | 1 |
| RepeatFunctionExtension.java | | 96% | | 100% | 3 | 13 | 3 | 25 | 3 | 7 | 0 | 1 |
| StrcmpFunctionExtension.java | | 95% | | 100% | 3 | 12 | 3 | 22 | 3 | 7 | 0 | 1 |
| CoalesceFunctionExtension.java | | 95% | | 100% | 3 | 12 | 3 | 20 | 3 | 7 | 0 | 1 |
| UnhexFunctionExtension.java | | 94% | | 100% | 3 | 11 | 3 | 20 | 3 | 7 | 0 | 1 |
| HexFunctionExtension.java | | 94% | | 100% | 3 | 11 | 3 | 19 | 3 | 7 | 0 | 1 |
| ReverseFunctionExtension.java | | 93% | | 100% | 3 | 10 | 3 | 16 | 3 | 7 | 0 | 1 |
| LengthFunctionExtension.java | | 92% | | 100% | 3 | 10 | 3 | 15 | 3 | 7 | 0 | 1 |
| LowerFunctionExtension.java | | 92% | | 100% | 3 | 10 | 3 | 15 | 3 | 7 | 0 | 1 |
| UpperFunctionExtension.java | | 92% | | 100% | 3 | 10 | 3 | 15 | 3 | 7 | 0 | 1 |
| TrimFunctionExtension.java | | 92% | | 100% | 3 | 10 | 3 | 15 | 3 | 7 | 0 | 1 |
| ConcatFunctionExtension.java | | 91% | | 100% | 3 | 10 | 3 | 14 | 3 | 7 | 0 | 1 |