CreateQuery test_having (children 3)
 Identifier test_having
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType UInt32
   ColumnDeclaration category (children 1)
    DataType String
   ColumnDeclaration amount (children 1)
    DataType UInt32
 Storage definition (children 1)
  Function Memory
