maxdb_field_count
(no version information, might be only in CVS)
maxdb_field_count -- Returns the number of columns for the most recent query
Description
Procedural style:
int
maxdb_field_count ( resource link )
Returns the number of columns for the most recent query on the connection
represented by the link parameter. This function
can be useful when using the maxdb_store_result()
function to determine if the query should have produced a non-empty result
set or not without knowing the nature of the query.
Return values
An integer representing the number of fields in a result set
Example
Příklad 1. Procedural style
<?php $link = maxdb_connect("localhost", "MONA", "RED");
maxdb_report (MAXDB_REPORT_OFF); maxdb_query($link,"DROP TABLE friends"); maxdb_report (MAXDB_REPORT_ERROR);
maxdb_query($link, "CREATE TABLE friends (id int, name varchar(20))"); maxdb_query($link, "INSERT INTO friends VALUES (1,'Hartmut')"); maxdb_query($link, "INSERT INTO friends VALUES (2, 'Ulf')");
if (maxdb_field_count($link)) { /* this was a select/show or describe query */ $result = maxdb_store_result($link); /* process resultset */ $row = maxdb_fetch_row($result);
/* free resultset */ maxdb_free_result($result); }
/* close connection */ maxdb_close($link); ?>
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