CreateQuery Ledger (children 3)
 Identifier Ledger
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration Supplier (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration Fruit (children 1)
    DataType String
   ColumnDeclaration Price (children 1)
    DataType Float64
   ColumnDeclaration Purchase (children 1)
    DataType Date
 Storage definition (children 1)
  Function Memory