InsertQuery   (children 2)
 Identifier mass_table_312
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function generateRandom (children 1)
        ExpressionList (children 4)
         Literal \'`d` Date,`x` UInt64,`n.a` Array(String),`n.b` Array(String)\'
         Literal UInt64_1
         Literal UInt64_10
         Literal UInt64_2
    Literal UInt64_100