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  1. MariaDB Server
  2. MDEV-13155

XA recovery not supported for RocksDB

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      I'm not sure whether it's supposed to work. If it's not, it should probably be documented.

      # Run with --mysqld=--plugin-load-add=ha_rocksdb
       
      --connect (con1,localhost,root,,test)
      DROP TABLE IF EXISTS t1;
      CREATE TABLE t1 (a INT) ENGINE=RocksDB;
       
      XA START 'xa1';
      INSERT INTO t1 (a) VALUES (1),(2);
      XA END 'xa1';
      XA PREPARE 'xa1';
       
      --connect (con2,localhost,root,,test)
      XA START 'xa2';
      INSERT INTO t1 (a) VALUES (3);
      INSERT INTO t1 (a) VALUES (4);
      XA END 'xa2';
      XA PREPARE 'xa2';
       
      --connection default
      sleep 1;
       
      --let $shutdown_timeout= 0
      --source include/restart_mysqld.inc
       
      --connect (con3,localhost,root,,test)
      --disable_abort_on_error
      XA RECOVER;
      XA ROLLBACK 'xa1';
      XA COMMIT 'xa2';
      SELECT a FROM t1;
      DROP TABLE t1;
      

      Both transactions are forgotten after recovery:

      connect  con3,localhost,root,,test;
      XA RECOVER;
      formatID	gtrid_length	bqual_length	data
      XA ROLLBACK 'xa1';
      ERROR XAE04: XAER_NOTA: Unknown XID
      XA COMMIT 'xa2';
      ERROR XAE04: XAER_NOTA: Unknown XID
      SELECT a FROM t1;
      a
      DROP TABLE t1;
      

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            psergei Sergei Petrunia
            elenst Elena Stepanova
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              Updated:
              Resolved:

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