c:mysql:mysql.h:mysql_affected_rows
Differences
This shows you the differences between two versions of the page.
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c:mysql:mysql.h:mysql_affected_rows [2013/02/25 23:27] Daniel Gohlke |
c:mysql:mysql.h:mysql_affected_rows [2024/02/16 01:12] (current) |
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| my_ulonglong mysql_affected_rows(MYSQL *mysql) | my_ulonglong mysql_affected_rows(MYSQL *mysql) | ||
| </code> | </code> | ||
| + | |||
| ==== description of mysql_affected_rows ==== | ==== description of mysql_affected_rows ==== | ||
| - | mysql_affected_rows is in work by code-reference.com \\ | + | Returns the number of the last UPDATE , DELETE, INSERT. Can be called for UPDATE, DELETE, or INSERT statements directly to mysql_query(). In SELECT statements, mysql_affected_rows() works like mysql_num_rows(). |
| - | if you are faster... don't hasitate and add it | + | |
| + | |||
| + | compile with gcc mysql_affected_rows.c -o mysql_affected_rows `mysql_config –cflags –libs` -Wall | ||
| <code c> | <code c> | ||
| - | no example at the moment | + | #include <stdio.h> /* including standard library */ |
| + | #include <mysql/mysql.h> | ||
| + | |||
| + | MYSQL *my; | ||
| + | |||
| + | int main( void ){ | ||
| + | char host[20]; | ||
| + | char user[20]; | ||
| + | char pass[20]; | ||
| + | |||
| + | my = mysql_init(NULL); | ||
| + | |||
| + | |||
| + | sprintf(host,"localhost"); | ||
| + | sprintf(user,"username"); | ||
| + | sprintf(pass,"password"); | ||
| + | |||
| + | if (my == NULL ) { | ||
| + | printf("Cant initalisize MySQL\n"); | ||
| + | return 1; | ||
| + | } | ||
| + | |||
| + | if( mysql_real_connect (my,host,user,pass,NULL,0,NULL,0) == NULL) { | ||
| + | printf("Error cant login\n"); | ||
| + | } else { | ||
| + | printf("Login correct\n"); | ||
| + | } | ||
| + | |||
| + | mysql_select_db(my,"test"); | ||
| + | mysql_query(my, "INSERT INTO `test`.`collection`" | ||
| + | " (`id`, `name`, `title`, `published`)" | ||
| + | " VALUES (NULL, 'Demian', 'Debian 6.0', '2013-02-14');"); | ||
| + | |||
| + | |||
| + | printf("MySQL affected rows: %ld\n", (long) mysql_affected_rows(my)); | ||
| + | |||
| + | |||
| + | mysql_close(my); | ||
| + | return 0; | ||
| + | } | ||
| </code> | </code> | ||
| ===== output of mysql_affected_rows c example ===== | ===== output of mysql_affected_rows c example ===== | ||
| - | no example at the moment | + | Login correct |
| + | MySQL affected rows: 1 | ||
on the occasion of the current invasion of Russia in Ukraine
c/mysql/mysql.h/mysql_affected_rows.1361831223.txt · Last modified: 2024/02/16 01:11 (external edit)
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