CreateQuery test_merge (children 3)
 Identifier test_merge
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration json (children 1)
    DataType JSON
 Storage definition (children 1)
  Function Merge (children 1)
   ExpressionList (children 2)
    Function currentDatabase (children 1)
     ExpressionList
    Literal \'test\'
