bool pq\Result::fetchCol(mixed &$ref[, mixed $col = 0])

Iteratively fetch a single column.

Params:

Returns:

Throws:

Example:

<?php

try {
    $connection = new pq\Connection;

    $result = $connection->exec("SELECT email FROM accounts WHERE email LIKE '_@%'");

    while ($result->fetchCol($email))  {
        echo "Mail: {$email}\n";
    }
} catch (\pq\Exception $e) {
    echo $e->getMessage(), "\n";
}

?>