Query: maxdb_fetch_field
OS: php
Section: 3
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
MAXDB_FETCH_FIELD(3) 1 MAXDB_FETCH_FIELD(3) maxdb_fetch_field - Returns the next field in the result set Procedural styleSYNOPSISmixed maxdb_fetch_field (resource $result)DESCRIPTIONObject oriented style mixed maxdb_result::fetch_field (void ) The maxdb_fetch_field(3) returns the definition of one column of a result set as an resource. Call this function repeatedly to retrieve information about all columns in the result set. maxdb_fetch_field(3) returns FALSE when no more fields are left.RETURN VALUESReturns an resource which contains field definition information or FALSE if no field information is available. Object properties +-----------+---------------------------------------------------+ | Property | | | | | | | Description | | | | +-----------+---------------------------------------------------+ | name | | | | | | | The name of the column | | | | |max_length | | | | | | | The maximum width of the field for the result | | | set. | | | | | type | | | | | | | The data type used for this field | | | | | decimals | | | | | | | The number of decimals used (for integer fields) | | | | +-----------+---------------------------------------------------+EXAMPLESExample #1 Object oriented style <?php $maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB"); /* check connection */ if (maxdb_connect_errno()) { printf("Connect failed: %s ", maxdb_connect_error()); exit(); } $query = "SELECT name, cno from hotel.customer ORDER BY cno"; if ($result = $maxdb->query($query)) { /* Get field information for all columns */ while ($finfo = $result->fetch_field()) { printf("Name: %s ", $finfo->name); printf("Table: %s ", $finfo->table); printf("max. Len: %d ", $finfo->max_length); printf("Flags: %d ", $finfo->flags); printf("Type: %d ", $finfo->type); } $result->close(); } /* close connection */ $maxdb->close(); ?> Example #2 Procedural style <?php $link = maxdb_connect("localhost", "MONA", "RED", "DEMODB"); /* check connection */ if (maxdb_connect_errno()) { printf("Connect failed: %s ", maxdb_connect_error()); exit(); } $query = "SELECT name, cno from hotel.customer ORDER BY cno"; if ($result = maxdb_query($link, $query)) { /* Get field information for all fields */ while ($finfo = maxdb_fetch_field($result)) { printf("Name: %s ", $finfo->name); printf("Table: %s ", $finfo->table); printf("max. Len: %d ", $finfo->max_length); printf("Flags: %d ", $finfo->flags); printf("Type: %d ", $finfo->type); } maxdb_free_result($result); } /* close connection */ maxdb_close($link); ?> The above example will output something similar to: Name: NAME Table: max. Len: 10 Flags: -1 Type: 2 Name: CNO Table: max. Len: 4 Flags: -1 Type: 0SEE ALSOmaxdb_num_fields(3), maxdb_fetch_field_direct(3), maxdb_fetch_fields(3), maxdb_field_seek(3). PHP Documentation Group MAXDB_FETCH_FIELD(3)
Related Man Pages |
---|
maxdb_fetch_lengths(3) - php |
maxdb_multi_query(3) - php |
mysqli_fetch_field(3) - php |
mysqli_fetch_field_direct(3) - php |
mysqli_field_seek(3) - php |
Similar Topics in the Unix Linux Community |
---|
AwK printf question |
replacing string in a column on a specific line |