[demo][debug] spider: debugging MDEV-27438

mysql-test/include/wait_show_condition.inc

@@ -77,7 +77,8 @@ if ($wait_for_all != 1)
      while ($do_loop)
      {
         let $field_value= query_get_value($show_statement, $field, $rowno);
-        if (`SELECT '$field_value' $condition`)
+        # let $field_value= `select quote($field_value)`;
+        if (`SELECT "$field_value" $condition`)
         {
            let $found= 1;
 	   let $do_loop= 0;

mysql-test/suite/binlog/t/binlog_checkpoint_flush_logs.test

@@ -54,7 +54,7 @@ SET DEBUG_SYNC= "now SIGNAL default_go";
 connection default;
 --enable_reconnect
 --error 0,2013
---reap
+--reap # sigabrt
 
 --echo Must be tree logs in the list:
 --source include/show_binary_logs.inc

mysql-test/suite/binlog/t/binlog_mdev342.test

@@ -10,7 +10,11 @@ SET GLOBAL max_binlog_size= 4096;
 SET GLOBAL innodb_flush_log_at_trx_commit= 1;
 RESET MASTER;
 
-CREATE TABLE t1 (a INT PRIMARY KEY, b MEDIUMTEXT) ENGINE=Innodb;
+install soname 'ha_spider';
+set spider_same_server_link=1;
+evalp CREATE SERVER srv FOREIGN DATA WRAPPER MYSQL OPTIONS (SOCKET "$MASTER_MYSOCK", DATABASE 'test',user 'root');
+create table t2 (a INT PRIMARY KEY, b MEDIUMTEXT);
+CREATE TABLE t1 (a INT PRIMARY KEY, b MEDIUMTEXT) ENGINE=Spider COMMENT="srv 'srv', table 't2'";
 # MDEV-515 takes X-lock on the table for the first insert
 # In that case, Concurrent DML will get blocked
 INSERT INTO t1 VALUES(100, "MDEV-515");
@@ -44,7 +48,7 @@ EOF
 SET DEBUG_SYNC= "now SIGNAL con1_cont";
 connection con1;
 --error 2006,2013
-reap;
+reap; # sigabrt
 
 --append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
 restart-binlog_mdev342.test

mysql-test/suite/binlog/t/binlog_truncate_multi_log.test

@@ -63,6 +63,7 @@ SELECT @@global.gtid_binlog_state;
 #
 # Server restart
 #
+# sigabrt somewhere here
 --let $restart_parameters= --init-rpl-role=SLAVE --sync-binlog=1 --log-warnings=3
 --source include/start_mysqld.inc
 

mysql-test/suite/binlog/t/binlog_truncate_multi_log_unsafe.test

@@ -94,6 +94,7 @@ SELECT @@global.gtid_binlog_state;
 --error 1
 --exec $MYSQLD_LAST_CMD  --init-rpl-role=SLAVE >> $MYSQLTEST_VARDIR/log/mysqld.1.err 2>&1
 
+# somewhere below: sigabrt
 --echo # Normal restart
 --source include/start_mysqld.inc
 

sql/handler.cc

@@ -2609,6 +2609,7 @@ static void xarecover_do_commit_or_rollback(handlerton *hton,
   else
     x= *member->full_xid;
 
+  // abort();
   rc= xarecover_decide_to_commit(member, ptr_commit_max) ?
     hton->commit_by_xid(hton, &x) : hton->rollback_by_xid(hton, &x);
 

sql/log.cc

@@ -11680,11 +11680,13 @@ int TC_LOG_BINLOG::recover(LOG_INFO *linfo, const char *last_log_name,
     {
       if (!binlog_checkpoint_found)
         break;
-      DBUG_EXECUTE_IF("xa_recover_expect_master_bin_000004",
-          if (0 != strcmp("./master-bin.000004", binlog_checkpoint_name) &&
-              0 != strcmp(".\\master-bin.000004", binlog_checkpoint_name))
-            DBUG_SUICIDE();
-        );
+      /*
+        DBUG_EXECUTE_IF("xa_recover_expect_master_bin_000004",
+            if (0 != strcmp("./master-bin.000004", binlog_checkpoint_name) &&
+                0 != strcmp(".\\master-bin.000004", binlog_checkpoint_name))
+              DBUG_SUICIDE();
+          );
+       */
       if (find_log_pos(linfo, binlog_checkpoint_name, 1))
       {
         sql_print_error("Binlog file '%s' not found in binlog index, needed "

storage/spider/spd_trx.cc

@@ -3287,6 +3287,9 @@ int spider_xa_commit_by_xid(
   THD* thd = current_thd;
   DBUG_ENTER("spider_xa_commit_by_xid");
 
+  /*
+    abort();
+   */
   if (!(trx = spider_get_trx(thd, TRUE, &error_num)))
     goto error_get_trx;
 
@@ -3309,6 +3312,9 @@ int spider_xa_rollback_by_xid(
   THD* thd = current_thd;
   DBUG_ENTER("spider_xa_rollback_by_xid");
 
+  /*
+    abort();
+   */
   if (!(trx = spider_get_trx(thd, TRUE, &error_num)))
     goto error_get_trx;