Removing the binlog-show-xid option as it was only a temporary solution until we have replace-regex which we have now.

That option was used to suppress the XID from the output of SHOW BINLOG EVENTS (to create a repeatable testsuite),
was available only in debug builds, and was explicitely marked as "may be removed in future versions" in mysqld --help.
Idea of the removal approved by the replication team.

mysql-test/extra/binlog_tests/binlog.test

@@ -22,7 +22,7 @@ insert t2 values (5);
 commit;
 # first COMMIT must be Query_log_event, second - Xid_log_event
 --replace_column 2 # 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 drop table t1,t2;
 
@@ -44,8 +44,8 @@ while ($1)
 commit;
 drop table t1;
 --replace_column 2 # 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events in 'master-bin.000001' from 102;
 --replace_column 2 # 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events in 'master-bin.000002' from 102;

mysql-test/extra/binlog_tests/mix_innodb_myisam_binlog.test

@@ -30,7 +30,7 @@ insert into t2 select * from t1;
 commit;
 
 --replace_column 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 
 delete from t1;
@@ -44,7 +44,7 @@ insert into t2 select * from t1;
 rollback;
 
 --replace_column 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 
 delete from t1;
@@ -60,7 +60,7 @@ rollback to savepoint my_savepoint;
 commit;
 
 --replace_column 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 
 delete from t1;
@@ -78,7 +78,7 @@ commit;
 select a from t1 order by a; # check that savepoints work :)
 
 --replace_column 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 
 # and when ROLLBACK is not explicit?
@@ -100,7 +100,7 @@ connection con2;
 # logging has been done, we use a user lock.
 select get_lock("a",10);
 --replace_column 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 
 # and when not in a transact1on?
@@ -112,7 +112,7 @@ insert into t1 values(9);
 insert into t2 select * from t1;
 
 --replace_column 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 
 # Check that when the query updat1ng the MyISAM table is the first in the
@@ -125,13 +125,13 @@ insert into t1 values(10); # first make t1 non-empty
 begin;
 insert into t2 select * from t1;
 --replace_column 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 insert into t1 values(11);
 commit;
 
 --replace_column 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 
 
@@ -150,7 +150,7 @@ insert into t2 select * from t1;
 commit;
 
 --replace_column 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 
 delete from t1;
@@ -163,7 +163,7 @@ insert into t2 select * from t1;
 rollback;
 
 --replace_column 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 
 delete from t1;
@@ -179,7 +179,7 @@ rollback to savepoint my_savepoint;
 commit;
 
 --replace_column 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 
 delete from t1;
@@ -197,7 +197,7 @@ commit;
 select a from t1 order by a; # check that savepoints work :)
 
 --replace_column 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 
 # Test for BUG#5714, where a MyISAM update in the transaction used to
@@ -258,7 +258,7 @@ disconnect con2;
 connection con3;
 select get_lock("lock1",60);
 --replace_column 5 #
---replace_regex /table_id: [0-9]+/table_id: #/
+--replace_regex /table_id: [0-9]+/table_id: #/ /\/\* xid=.* \*\//\/* xid= *\//
 show binlog events from 102;
 do release_lock("lock1");
 drop table t0,t2;

mysql-test/mysql-test-run.pl

@@ -2597,7 +2597,6 @@ sub mysqld_arguments ($$$$$$) {
   mtr_add_arg($args, "%s--character-sets-dir=%s", $prefix, $path_charsetsdir);
   mtr_add_arg($args, "%s--core", $prefix);
   mtr_add_arg($args, "%s--log-bin-trust-function-creators", $prefix);
-  mtr_add_arg($args, "%s--loose-binlog-show-xid=0", $prefix);
   mtr_add_arg($args, "%s--default-character-set=latin1", $prefix);
   mtr_add_arg($args, "%s--language=%s", $prefix, $path_language);
   mtr_add_arg($args, "%s--tmpdir=$opt_tmpdir", $prefix);
@@ -2743,7 +2742,6 @@ sub mysqld_arguments ($$$$$$) {
   mtr_add_arg($args, "%s--sort_buffer=256K", $prefix);
   mtr_add_arg($args, "%s--max_heap_table_size=1M", $prefix);
   mtr_add_arg($args, "%s--log-bin-trust-function-creators", $prefix);
-  mtr_add_arg($args, "%s--loose-binlog-show-xid=0", $prefix);
 
   if ( $opt_ssl_supported )
   {

mysql-test/mysql-test-run.sh

@@ -1345,7 +1345,6 @@ start_master()
           --innodb_data_file_path=ibdata1:128M:autoextend \
 	  --open-files-limit=1024 \
           --log-bin-trust-function-creators \
-          --loose-binlog-show-xid=0 \
 	   $MASTER_40_ARGS \
            $SMALL_SERVER \
            $MASTER_MYSQLD_BINLOG_OPT \
@@ -1369,7 +1368,6 @@ start_master()
           --language=$LANGUAGE \
           --innodb_data_file_path=ibdata1:128M:autoextend \
           --log-bin-trust-function-creators \
-          --loose-binlog-show-xid=0 \
 	   $MASTER_40_ARGS \
            $SMALL_SERVER \
            $MASTER_MYSQLD_BINLOG_OPT \
@@ -1542,7 +1540,6 @@ start_slave()
           --master-retry-count=10 \
           -O slave_net_timeout=10 \
           --log-bin-trust-function-creators \
-          --loose-binlog-show-xid=0 \
            $SMALL_SERVER \
            $SLAVE_MYSQLD_BINLOG_OPT \
            $EXTRA_SLAVE_MYSQLD_OPT $EXTRA_SLAVE_OPT \

sql/log_event.cc

@@ -3481,24 +3481,12 @@ int Rand_log_event::exec_event(struct st_relay_log_info* rli)
   Xid_log_event methods
 **************************************************************************/
 
-#if !defined(DBUG_OFF) && !defined(MYSQL_CLIENT)
-/*
-  This static class member could be removed when mysqltest is made to support
-  a --replace-regex command: then tests which have XIDs in their output can
-  use this command to suppress non-deterministic XID values.
-*/
-my_bool Xid_log_event::show_xid;
-#endif
-
 #if defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT)
 void Xid_log_event::pack_info(Protocol *protocol)
 {
   char buf[128], *pos;
   pos= strmov(buf, "COMMIT /* xid=");
-#if !defined(DBUG_OFF) && !defined(MYSQL_CLIENT)
+  pos= longlong10_to_str(xid, pos, 10);
-  if (show_xid)
-#endif
-    pos= longlong10_to_str(xid, pos, 10);
   pos= strmov(pos, " */");
   protocol->store(buf, (uint) (pos-buf), &my_charset_bin);
 }

sql/log_event.h

@@ -1221,9 +1221,6 @@ class Xid_log_event: public Log_event
   bool write(IO_CACHE* file);
 #endif
   bool is_valid() const { return 1; }
-#if !defined(DBUG_OFF) && !defined(MYSQL_CLIENT)
-  static my_bool show_xid;
-#endif
 };
 
 /*****************************************************************************

sql/mysqld.cc

@@ -4877,14 +4877,6 @@ Disable with --skip-bdb (will save memory).",
   {"binlog-ignore-db", OPT_BINLOG_IGNORE_DB,
    "Tells the master that updates to the given database should not be logged tothe binary log.",
    0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
-#if !defined(DBUG_OFF) && !defined(MYSQL_CLIENT)
-  {"binlog-show-xid", OPT_BINLOG_SHOW_XID,
-   "Option used by mysql-test for debugging and testing: "
-   "do not display the XID in SHOW BINLOG EVENTS; "
-   "may be removed in future versions",
-   (gptr*) &Xid_log_event::show_xid, (gptr*) &Xid_log_event::show_xid,
-   0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
-#endif
 #ifdef HAVE_ROW_BASED_REPLICATION
   {"binlog-row-event-max-size", OPT_BINLOG_ROWS_EVENT_MAX_SIZE,
    "The maximum size of a row-based binary log event in bytes. Rows will be "