mysql_fetch_field(3)

Returns the definition of one column of a result set #include [B] [R] MYSQL_FIELD * mysql_fetch_field(MYSQL_RES * result

Section 3 libmariadb-dev bookworm source

Description

mysql_fetch_field

Name

mysql_fetch_field - Returns the definition of one column of a result set

Synopsis

#include <mysql.h>

MYSQL_FIELD * mysql_fetch_field(MYSQL_RES * result);

Description

Returns the definition of one column of a result set as a pointer to a MYSQL_FIELD structure. Call this function repeatedly to retrieve information about all columns in the result set.

Parameters

result - a result set identifier returned by mysql_store_result(3) or mysql_use_result(3).

Notes

The field order will be reset if you execute a new SELECT query.

In case only information for a specific field is required the field can be selected by using the mysql_field_seek(3) function or obtained by mysql_fetch_field_direct(3) function.

Return value

a pointer of a MYSQL_FIELD structure, or NULL if there are no more fields.

See also

mysql_field_seek(3)

mysql_field_tell(3)

mysql_fetch_field_direct(3)

mysql_store_result(3)

mysql_use_result(3)