CreateQuery x (children 3)
 Identifier x
 Columns definition (children 2)
  ExpressionList (children 2)
   ColumnDeclaration pk (children 1)
    DataType int
   ColumnDeclaration arr (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType int
  ExpressionList (children 1)
   Projection (children 1)
    ProjectionSelectQuery (children 2)
     ExpressionList (children 1)
      Identifier arr
     Identifier pk
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList