This shows you the differences between two versions of the page.
c:mysql:mysql.h:mysql_error [2013/02/03 20:19] 127.0.0.1 external edit |
c:mysql:mysql.h:mysql_error [2024/02/16 01:12] (current) |
||
---|---|---|---|
Line 1: | Line 1: | ||
====== mysql_error ====== | ====== mysql_error ====== | ||
<code c> | <code c> | ||
+ | const char *mysql_error(MYSQL *mysql) | ||
</code> | </code> | ||
==== description of mysql_error ==== | ==== description of mysql_error ==== | ||
- | mysql_error is in work by code-reference.com \\ | + | provides the error description of the last failed function. the function was executed successfully, it returns an empty string |
- | if you are faster... don't hasitate and add it | + | |
<code c> | <code c> | ||
- | no example at the moment | + | #include <stdio.h> /* including standard library */ |
+ | #include <mysql/mysql.h> | ||
+ | |||
+ | MYSQL *my; | ||
+ | MYSQL_RES *result; | ||
+ | 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, "SELECT * FROM wrongdb WHERE 1;"); | ||
+ | |||
+ | result = mysql_store_result(my); | ||
+ | |||
+ | if(mysql_errno(my)) | ||
+ | { | ||
+ | fprintf(stderr, "Error: %s\n", mysql_error(my)); | ||
+ | } | ||
+ | |||
+ | mysql_close(my); | ||
+ | return 0; | ||
+ | } | ||
</code> | </code> | ||
===== output of mysql_error c example ===== | ===== output of mysql_error c example ===== | ||
- | no example at the moment | + | Login correct |
+ | Error: Table 'test.wrongdb' doesn't exist | ||