CreateQuery src_products (children 3)
 Identifier src_products
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration category (children 1)
    DataType String
   ColumnDeclaration brand (children 1)
    DataType String
 Storage definition (children 1)
  Function Memory
