InsertQuery   (children 4)
 Identifier system
 Identifier zookeeper
 ExpressionList (children 3)
  Identifier name
  Identifier path
  Identifier value
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 3)
     Identifier name
     Function concat (children 1)
      ExpressionList (children 3)
       Literal \'/\'
       Function currentDatabase (children 1)
        ExpressionList
       Identifier path
     Identifier value
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier test_zkinsert