> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/reference/system-tables/the-mysql-database-tables/spider-mysql-database-tables/mysql-spider_xa-table.md).

# mysql.spider\_xa Table

The `mysql.spider_xa` table is installed by the [Spider storage engine](/docs/server/server-usage/storage-engines/spider.md).

This table uses the [Aria](/docs/server/server-usage/storage-engines/aria.md) storage engine.

It contains the following fields:

| Field         | Type        | Null | Key | Default | Description |
| ------------- | ----------- | ---- | --- | ------- | ----------- |
| format\_id    | int(11)     | NO   | PRI | 0       |             |
| gtrid\_length | int(11)     | NO   | PRI | 0       |             |
| bqual\_length | int(11)     | NO   |     | 0       |             |
| data          | binary(128) | NO   | PRI |         |             |
| status        | char(8)     | NO   | MUL |         |             |

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