CreateQuery sales (children 3)
 Identifier sales
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration id (children 1)
    DataType String
   ColumnDeclaration distributor (children 1)
    DataType String
   ColumnDeclaration product (children 1)
    DataType String
   ColumnDeclaration amount (children 1)
    DataType Float32
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier id
