OT: Punctuation-starved Programming Languages
dgy at DakotaCom.Net
Wed Jun 21 18:01:45 CDT 2006
Jay West wrote:
> You wrote...
>> That depends. For example, SQL requires a terminating semicolon.
>> And, uses parens in many cases. Plus commas, etc. And, of course,
>> any expressional notation uses typical punctuation.
> Pick et. al. didn't use punctionation, no commas, no periods, no
> parenthesis... just the obvious comparison operators and quotes.
So, how would you implement this example?
SELECT book, author FROM titles
WHERE isbn_publisher(book) > isbn_publisher('1-234-56789-X'::isbn);
- return the values of the "book" and "author" fields
- from the "titles" table
- for those records in which the "isbn_publisher()"  function
returns a value that exceeds that of the isbn_publisher()'s
value for the isbn data type  corresponding to the string
 defined a returning the value of the Publisher Identifier
in the ISBN argument -- "234" in the second instance, here
 the "::isbn" is an explicit type cast in this case from
a string to an "isbn"
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