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MySQL 5.7 Reference Manual  /  ...  /  mysql_fetch_field_direct()

25.8.7.18 mysql_fetch_field_direct()

MYSQL_FIELD *mysql_fetch_field_direct(MYSQL_RES *result, unsigned int fieldnr)

Description

Given a field number fieldnr for a column within a result set, returns that column's field definition as a MYSQL_FIELD structure. Use this function to retrieve the definition for an arbitrary column. Specify a value for fieldnr in the range from 0 to mysql_num_fields(result)-1.

Return Values

The MYSQL_FIELD structure for the specified column.

Errors

None.

Example
unsigned int num_fields;
unsigned int i;
MYSQL_FIELD *field;

num_fields = mysql_num_fields(result);
for(i = 0; i < num_fields; i++)
{
    field = mysql_fetch_field_direct(result, i);
    printf("Field %u is %s\n", i, field->name);
}

User Comments
  Posted by Rick Pfahl on September 28, 2005
If you are experiencing problems with mysql_fetch_fields(MYSQL_RES*)
(i.e., mysql_fetch_fields is not returning array of MYSQL_FIELD, but rather a pointer the first field) use mysql_fetch_field_direct(MYSQL_RES*, int) instead.
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