maxdb_field_seek

(PECL maxdb >= 1.0)
Set result pointer to a specified field offset
bool maxdb_field_seek ( resource $result, int $fieldnr )

Procedural style

Object oriented style

bool maxdb_result::field_seek ( int $fieldnr )

Sets the field cursor to the given offset. The next call to maxdb_fetch_field() will retrieve the field definition of the column associated with that offset.

Note:

To seek to the beginning of a row, pass an offset value of zero.

Returns:

maxdb_field_seek() returns previuos value of field cursor.

Examples:
Object oriented style
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<?php
$maxdb new maxdb("localhost""MONA""RED""DEMODB");
 
/* check connection */
if (maxdb_connect_errno()) {
   printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}
 
$query "SELECT name, cno from hotel.customer ORDER BY cno";
 
if ($result $maxdb->query($query)) {
 
   /* Get field information for 2nd column */
   $result->field_seek(1);
   $finfo $result->fetch_field();
 
   printf("Name:     %s\n"$finfo->name);
   printf("Table:    %s\n"$finfo->table);
   printf("max. Len: %d\n"$finfo->max_length);
   printf("Flags:    %d\n"$finfo->flags);
   printf("Type:     %d\n\n"$finfo->type);
 
   $result->close();
}
 
/* close connection */
$maxdb->close();
?>
Procedural style
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<?php
$link = maxdb_connect("localhost""MONA""RED""DEMODB");
 
/* check connection */
if (maxdb_connect_errno()) {
   printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}
 
$query "SELECT name, cno from hotel.customer ORDER BY cno";
 
if ($result = maxdb_query($link$query)) {
 
   /* Get field information for 2nd column */
   maxdb_field_seek($result, 1);
   $finfo = maxdb_fetch_field($result);
 
   printf("Name:     %s\n"$finfo->name);
   printf("Table:    %s\n"$finfo->table);
   printf("max. Len: %d\n"$finfo->max_length);
   printf("Flags:    %d\n"$finfo->flags);
   printf("Type:     %d\n\n"$finfo->type);
 
   maxdb_free_result($result);
}
 
/* close connection */
maxdb_close($link);
?>
See also:

maxdb_fetch_field() -

doc_php
2025-01-10 15:47:30
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