(PHP 4 >= 4.3.0, PHP 5, PHP 7)
pg_update — ���±�
$connection
, string $table_name
, array $data
, array $condition
[, int $options = PGSQL_DML_EXEC
] ) : mixedpg_update() �� condition ��Ϊ������ѯ���ݿ⣬�� data �е����ݸ��·��������ļ�¼�����ָ���� options���� pg_convert() �ᰴ��ָ��ѡ�����õ� data �ϡ�
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connectionPostgreSQL database connection resource.
table_nameName of the table into which to update rows.
data
An array whose keys are field names in the table table_name,
and whose values are what matched rows are to be updated to.
condition
An array whose keys are field names in the table table_name,
and whose values are the conditions that a row must meet to be updated.
options
Any number of PGSQL_CONV_OPTS,
PGSQL_DML_NO_CONV,
PGSQL_DML_EXEC or
PGSQL_DML_STRING combined. If PGSQL_DML_STRING is part of the
options then query string is returned.
�ɹ�ʱ���� TRUE�� ������ʧ��ʱ���� FALSE�� Returns string if PGSQL_DML_STRING is passed
via options.
Example #1 pg_update() example
<?php
$db = pg_connect('dbname=foo');
$data = array('field1'=>'AA', 'field2'=>'BB');
// This is safe, since $_POST is converted automatically
$res = pg_update($db, 'post_log', $_POST, $data);
if ($res) {
echo "Data is updated: $res\n";
} else {
echo "User must have sent wrong inputs\n";
}
?>