InsertQuery   (children 3)
 Identifier table_for_rename_nested
 ExpressionList (children 5)
  Identifier date
  Identifier key
  Identifier n.x
  Identifier n.y
  Identifier value1
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 5)
     Function toDate (children 1)
      ExpressionList (children 1)
       Literal \'2019-10-01\'
     Identifier number
     Function array (children 1)
      ExpressionList (children 3)
       Function plus (children 1)
        ExpressionList (children 2)
         Identifier number
         Literal UInt64_1
       Function plus (children 1)
        ExpressionList (children 2)
         Identifier number
         Literal UInt64_2
       Function plus (children 1)
        ExpressionList (children 2)
         Identifier number
         Literal UInt64_3
     Literal Array_[\'a\', \'b\', \'c\']
     Function array (children 1)
      ExpressionList (children 1)
       Function array (children 1)
        ExpressionList (children 1)
         Function toString (children 1)
          ExpressionList (children 1)
           Identifier number
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal UInt64_10