[t:4339], have ha_tokudb::print_error log something to error log when error occurs

git-svn-id: file:///svn/mysql/tokudb-engine/tokudb-engine@38399 c7de825b-a66e-492c-adef-691d508d4ae1

storage/tokudb/ha_tokudb.cc

@@ -7601,6 +7601,7 @@ int ha_tokudb::final_drop_index(TABLE *table_arg) {
 }
 
 void ha_tokudb::print_error(int error, myf errflag) {
+    THD* thd = ha_thd();
     if (error == DB_LOCK_DEADLOCK)
         error = HA_ERR_LOCK_DEADLOCK;
     if (error == DB_LOCK_NOTGRANTED)
@@ -7618,6 +7619,11 @@ void ha_tokudb::print_error(int error, myf errflag) {
         error = HA_ERR_UNSUPPORTED;
     }
 #endif
+    // TODO: should rename debug code to something better
+    // just reusing this so that tests don' start complaining
+    if ((tokudb_debug & TOKUDB_DEBUG_HIDE_DDL_LOCK_ERRORS) == 0) {
+      sql_print_error("query \"%s\" returned handler error %d", thd->query_string.str, error);
+    }
     handler::print_error(error, errflag);
 }