CreateQuery base_table (children 3)
 Identifier base_table
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration date (children 1)
    DataType DateTime
   ColumnDeclaration id (children 1)
    DataType String
   ColumnDeclaration cost (children 1)
    DataType Float64
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier date
