DOKK / manpages / debian 12 / libmariadb-dev / mysql_stmt_field_count.3.en
mysql_stmt_field_count(3) MariaDB Connector/C mysql_stmt_field_count(3)

mysql_stmt_field_count - Returns the number of fields in a result set

#include <mysql.h>
unsigned int mysql_stmt_field_count(MYSQL_STMT * stmt);

Returns the number of fields in a result set of a prepared statement.

Number of fields or zero if the prepared statement has no result set.

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stmt - a statement handle, which was previously allocated by mysql_stmt_init(3).

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The number of fields will be available after calling mysql_stmt_prepare(3)
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mysql_stmt_field_count() returns zero for statements which don’t produce a result set.

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mysql_stmt_prepare(3)
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mysql_stmt_param_count(3)
Version 3.3.1