(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
pg_delete — 刪除記錄
$connection
,$table_name
,$assoc_array
,$options
= PGSQL_DML_EXEC
pg_delete() 刪除符合條件的記錄,條件在 assoc_array
中以 field=>value
格式給出。如果指定了 option
,則 pg_convert() 按照該選項作用于 assoc_array
之上。
connection
PostgreSQL database connection resource.
table_name
Name of the table from which to delete rows.
assoc_array
An array whose keys are field names in the table table_name
,
and whose values are the values of those fields that are to be deleted.
options
Any number of PGSQL_CONV_FORCE_NULL
,
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.
成功時返回 true
, 或者在失敗時返回 false
。 Returns string if PGSQL_DML_STRING
is passed
via options
.
示例 #1 pg_delete() 例子
<?php
$db = pg_connect('dbname=foo');
// This is safe, since $_POST is converted automatically
$res = pg_delete($db, 'post_log', $_POST);
if ($res) {
echo "POST data is deleted: $res\n";
} else {
echo "User must have sent wrong inputs\n";
}
?>
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