# XA\_PREPARE\_LOG\_EVENT

An `XA_PREPARE_LOG_EVENT` records the prepare phase of a distributed transaction using the XA log. It is used to ensure atomicity and consistency of transactions.

## Header

* Event Type is `XA_PREPARE_LOG_EVENT` (`0x26`).

## Fields

* [uint<1>](https://mariadb.com/docs/server/reference/protocol-data-types#fixed-length-integers) One Phase Commit.
* [uint<4>](https://mariadb.com/docs/server/reference/protocol-data-types#fixed-length-integers) Format ID.
* [uint<4>](https://mariadb.com/docs/server/reference/protocol-data-types#fixed-length-integers) Length of gtrid.
* [uint<1>](https://mariadb.com/docs/server/reference/protocol-data-types#fixed-length-integers) Length of bqual.

Payload:

* [byte\<n>](https://mariadb.com/docs/server/reference/protocol-data-types#fixed-length-bytes) xid, where n is sum of gtrid and bqual lengths.

<sub>*This page is licensed: CC BY-SA / Gnu FDL*</sub>

{% @marketo/form formId="4316" %}