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RowResult::getColumnCount — Get column count
Retrieve the column count for columns present in the result set.
Diese Funktion hat keine Parameter.
The number of columns,
or FALSE
if the result set is empty.
Beispiel #1 mysql_xdevapi\RowResult::getColumnCount() example
<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE addressbook")->execute();
$session->sql("CREATE DATABASE foo")->execute();
$session->sql("CREATE TABLE foo.test_table(x int)")->execute();
$session->sql("INSERT INTO addressbook.names values ('John', 42), ('Sam', 33)")->execute();
$sql = $session->sql("SELECT * from addressbook.names")->execute();
echo $sql->getColumnCount();
Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:
2