perf: mysql递归查询兼容处理
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@@ -61,19 +61,36 @@ class NavigationItemValidate extends Validate
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if ($value == 0) {
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return true;
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}
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$children = [];
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$table_name = (new SysNavigationItemModel)->getTable();
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$children = Db::query(
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preg_replace(
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'/\s+/u',
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' ',
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"WITH RECURSIVE tree_by AS (
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SELECT a.id, a.pid FROM $table_name a WHERE a.id = {$data['id']}
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UNION ALL
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SELECT k.id, k.pid FROM $table_name k INNER JOIN tree_by t ON t.id = k.pid
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if (env('DB_VERSION', '5') == '8') {
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$children = Db::query(
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preg_replace(
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'/\s+/u',
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' ',
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"WITH RECURSIVE tree_by AS (
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SELECT a.id, a.pid FROM $table_name a WHERE a.id = {$data['id']}
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UNION ALL
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SELECT k.id, k.pid FROM $table_name k INNER JOIN tree_by t ON t.id = k.pid
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)
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SELECT id FROM tree_by WHERE id <> {$data['id']};"
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)
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SELECT id FROM tree_by WHERE id <> {$data['id']};"
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)
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);
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);
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} else {
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$children = \think\facade\Db::query("
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SELECT t2.id
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FROM (
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SELECT
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@r AS _id, (SELECT @r := GROUP_CONCAT(id) FROM $table_name WHERE FIND_IN_SET(pid, _id)) AS parent_id
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FROM
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(SELECT @r := {$data['id']}) vars, $table_name h
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WHERE @r <> 0) t1
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JOIN $table_name t2
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ON FIND_IN_SET(t2.pid, t1._id)
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ORDER BY t2.id;
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");
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}
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if (!empty($children) && in_array($data['pid'], array_column($children, 'id'))) {
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return false;
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}
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