| dynamic_to_json | Converts a scalar value of type dynamic to a canonical string representation. |
| ensure_field | Ensures the existence of a field and returns its value or a typed nil if it doesn’t exist. |
| isbool | Returns a value of true or false if the expression value is passed. |
| toarray | Converts input to array. |
| tobool | Converts input to boolean (signed 8-bit) representation. |
| todatetime | Converts input to datetime scalar. |
| todouble | Converts the input to a value of type real. todouble and toreal are synonyms. |
| todynamic | Converts input to dynamic. |
| tohex | Converts input to a hexadecimal string. |
| toint | Converts the input to an integer value (signed 64-bit) number representation. toint and tolong are synonyms. |
| tolong | Converts input to long (signed 64-bit) number representation. toint and tolong are synonyms. |
| toreal | Converts the input to a value of type real. todouble and toreal are synonyms. |
| tostring | Converts input to a string representation. |
| totimespan | Converts input to timespan scalar. |