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perf: mysql递归查询兼容处理

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jsasg
2025-07-10 17:30:01 +08:00
parent 5a841b8440
commit 20817345c2
6 changed files with 139 additions and 54 deletions
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39
app/admin/validate/v1/ArticleCategoryValidate.php
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@@ -64,19 +64,36 @@ class ArticleCategoryValidate extends Validate
if ($value == 0) {
return true;
}
$children = [];
$table_name = (new ArticleCategoryModel)->getTable();
$children = Db::query(
preg_replace(
'/\s+/u',
' ',
"WITH RECURSIVE article_tree_by AS (
SELECT a.id, a.pid FROM $table_name a WHERE a.id = {$data['id']}
UNION ALL
SELECT k.id, k.pid FROM $table_name k INNER JOIN article_tree_by t ON t.id = k.pid
if (env('DB_VERSION', '5') == '8') {
$children = Db::query(
preg_replace(
'/\s+/u',
' ',
"WITH RECURSIVE article_tree_by AS (
SELECT a.id, a.pid FROM $table_name a WHERE a.id = {$data['id']}
UNION ALL
SELECT k.id, k.pid FROM $table_name k INNER JOIN article_tree_by t ON t.id = k.pid
)
SELECT id FROM article_tree_by WHERE id <> {$data['id']};"
)
SELECT id FROM article_tree_by WHERE id <> {$data['id']};"
)
);
);
} else {
$children = \think\facade\Db::query("
SELECT t2.id
FROM (
SELECT
@r AS _id, (SELECT @r := GROUP_CONCAT(id) FROM $table_name WHERE FIND_IN_SET(pid, _id)) AS parent_id
FROM
(SELECT @r := {$data['id']}) vars, $table_name h
WHERE @r <> 0) t1
JOIN $table_name t2
ON FIND_IN_SET(t2.pid, t1._id)
ORDER BY t2.id;
");
}
if (!empty($children) && in_array($data['pid'], array_column($children, 'id'))) {
return false;
}