mysql\_field\_count(3) MariaDB Connector/C mysql\_field\_count(3)

## [Name](#Name)

mysql\_field\_count - returns the number of columns for the most recent statement

## [Synopsis](#Synopsis)

```
#include <mysql.h>
unsigned int mysql_field_count(MYSQL * mysql);
    
```

## [Description](#Description)

Returns the number of columns for the most recent statement on the connection represented by the link parameter as an unsigned integer. This function can be useful when using the [**mysql\_store\_result(3)**](/man/enterprise-packages/mariadb-13.0/mysql_store_result.3) function to determine if the query should have produced a non-empty result set or not without knowing the nature of the query.

## [Parameters](#Parameters)

•

mysql is a connection identifier, which was previously allocated by [**mysql\_init(3)**](/man/enterprise-packages/mariadb-13.0/mysql_init.3) and connected by [**mysql\_real\_connect(3)**](/man/enterprise-packages/mariadb-13.0/mysql_real_connect.3).

## [Notes](#Notes)

The mysql\_field\_count() function should be used to determine if there is a result set available.

## [Return value:](#Return_value:)

The number of columns for the most recent statement. The value is zero, if the statement didn’t produce a result set.

## [See also](#See_also)

•

[**mysql\_store\_result(3)**](/man/enterprise-packages/mariadb-13.0/mysql_store_result.3)

•

[**mysql\_use\_result(3)**](/man/enterprise-packages/mariadb-13.0/mysql_use_result.3)

Version 3.4

---

Document: mysql_field_count(3) from mariadb-13.0 13.0.2-r2 (Chainguard OS)