OrientDB - How to append a string with SQL

问题

I am trying to update a string with another string using SQL.

UPDATE #9:14 set foo = (SELECT foo.append('abc')FROM #9:14)

returns: ['123abc']

This does what I want with the exception that it wraps the string in brackets. Is there a better solution?

来源：https://stackoverflow.com/questions/42665658/orientdb-how-to-append-a-string-with-sql