Unmarshals the JSON-encoded string into a N1QL value. The empty string is MISSING.
Marshals the N1QL value into a JSON-encoded string. MISSING becomes the empty string.
Number of bytes in an uncompressed JSON encoding of the value. The exact size is implementation-dependent. Always returns an integer, and never MISSING or NULL. Returns 0 for MISSING.
Returns length of the value after evaluating the expression. The exact meaning of length depends on the type of the value:
String: The length of the string.
Array: The number of elements in the array.
Object: The number of name/value pairs in the object
Any other value: NULL