1. Lecture 14: XML Publishing & Storage
Monday, November 1, 2004

2. Example
Product (pname, price, quantity, maker)
Company (cname, city)

3. XML Publishing with Cursors
Void simpleInsert() {
EXEC SQL BEGIN DECLARE SECTION;
char n[20], c[30], city[30];
/* product-name, company-name, city */
int p, q; /* price, quantity */
char SQLSTATE[6];
EXEC SQL END DECLARE SECTION;

4. XML Publishing with Cursors
EXEC SQL DECLARE crsCompany CURSOR FOR
SELECT cname, city
FROM company;
EXEC SQL DECLARE crsProduct CURSOR FOR
SELECT pname, price, quantity
FROM Product WHERE maker = :c;

5. XML Publishing with Cursors
EXEC SQL OPEN crsCompany;
EXEC SQL FETCH FROM crsCompany INTO :c, :city;
Printf(“<company> <name> %s </name> <city> %s </city>”, c, city);
while (1) {
EXEC SQL FETCH FROM crsProduct INTO :n, :p, :q;
if (NO_MORE_TUPLES) break;
printf(“ <product>\n”);
printf(“ <name> %s </name>\n”, n);
printf(“ <price> %d </price>\n”, p);
printf(“ <quantity> %d </quantity>\n”, q);
printf(“ <maker> %s </maker>\n”, c);
printf(“ </product>\n”); }
EXECT SQL CLOSE crs;
printf(“</company>\n”);

6. What is NO_MORE_TUPLES ?
#define NO_MORE_TUPLES !(strcmp(SQLSTATE,”02000”))