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c:mysql:mysql.h:mysql_affected_rows [2013/02/03 20:19] 127.0.0.1 external edit |
c:mysql:mysql.h:mysql_affected_rows [2024/02/16 01:12] (current) |
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====== mysql_affected_rows ====== | ====== mysql_affected_rows ====== | ||
<code c> | <code c> | ||
+ | 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 | ||