nur-sery/src/db/_private/Tdelete.php

39 lines
924 B
PHP

<?php
namespace nur\sery\db\_private;
trait Tdelete {
static function isa(string $sql): bool {
return preg_match("/^delete(?:\s+from)?\b/i", $sql);
}
static function parse(array $query, ?array &$bindings=null): string {
#XXX implémentation minimale
$tmpsql = self::merge_seq($query);
self::consume('delete(?:\s+from)?\b', $tmpsql);
$sql = ["delete from", $tmpsql];
## préfixe
if (($prefix = $query["prefix"] ?? null) !== null) $sql[] = $prefix;
## table
$sql[] = $query["from"];
## where
$where = $query["where"] ?? null;
if ($where !== null) {
self::parse_conds($where, $wheresql, $bindings);
if ($wheresql) {
$sql[] = "where";
$sql[] = implode(" and ", $wheresql);
}
}
## suffixe
if (($suffix = $query["suffix"] ?? null) !== null) $sql[] = $suffix;
## fin de la requête
return implode(" ", $sql);
}
}