$db = new DbConnector("test", "test", "test");
$db->addDebugListener(function ($sql) {
echo "--{$sql}\n";
});
// creates a new record (INSERT)
// The following code inserts a record into table0, but also into the
// tables table1, table2 and table3. Finally, the fields table1_id, table2_id and table3_id
// are updated with the primary keys of the previous tables.
echo "### Creates a new record\n";
$r = new DbRecord($db, "table0");
$r->save(["title" => "Title", "created_at" => date("Y-m-d H:i:s"), "table1.title" => "Title 1", "table2.title" => "Title 2", "table3.title" => "Title 3"]);
// fetches column values (SELECT)
// The following codes fetches the column values of 'table0', but also of the
// tables 'table1', 'table2' and 'table3'.
echo "\n### Fetches column values\n";
list($id, $title, $createdAt, $t1Title, $t2Title, $t3Title) = $r->fetch(["id", "title", "created_at", "table1.title", "table2.title", "table3.title"]);
echo "id: {$id}, title: {$title}, created_at: {$createdAt}, ";
echo "table1.title: {$t1Title}, table2.title: {$t2Title}, table3.title: {$t3Title}\n";
// selects a record and prints its column values (SELECT)
// The following code fetches column values from table0, but also from table1
echo "\n### Selects a record and prints its column values\n";
$r = new DbRecord($db, "table0", $id);
list($title, $createdAt, $t1Title, $t2Title, $t3Title) = $r->fetch(["title", "created_at", "table1.title", "table2.title", "table3.title"]);
echo "title: {$title}, created_at: {$createdAt}, ";
echo "table1.title: {$t1Title}, table2.title: {$t2Title}, table3.title: {$t3Title}\n";
// deletes the previous record (DELETE)
// The following code deletes the previous created record, but also
// the linked records (table1, table2 and table3)
echo "\n### Deletes the previous record and its linked records (table1, table2 and table3)\n";
$r->delete();
/**
* Deletes a record.
*
* Example:
* ```php
* // deletes a record
* // the following code assumes that the primary key is 'id'
* $t = new DbRecordTable($db, "table0");
* $t->delete(17);
*
* // deletes a record
* // in this case the primary key is called 'pk'
* $t = new DbRecordTable($db, "table0");
* $t->delete(["pk" => 17]);
* ```
*
* @param mixed|array $pk Primary key
*
* @return void
*/
public function delete($pk)
{
$r = new DbRecord($this->db, $this->tableName, $pk);
$r->delete();
}
