mysqldump would not dump the INFORMATION_SCHEMA even when it was explicitly

requested. (Bug #33762)

1 files changed, 13 insertions, 5 deletions

diff --git a/client/mysqldump.c b/client/mysqldump.c
index 323376dd8bf..efcb1820be4 100644
--- a/client/mysqldump.c
+++ b/client/mysqldump.c
@@ -3813,6 +3813,10 @@ static int dump_all_databases()
     return 1;
   while ((row= mysql_fetch_row(tableres)))
   {
+    if (mysql_get_server_version(mysql) >= 50003 &&
+        !my_strcasecmp(&my_charset_latin1, row[0], "information_schema"))
+      continue;
+
     if (dump_all_tables_in_db(row[0]))
       result=1;
   }
@@ -3827,6 +3831,10 @@ static int dump_all_databases()
     }
     while ((row= mysql_fetch_row(tableres)))
     {
+      if (mysql_get_server_version(mysql) >= 50003 &&
+          !my_strcasecmp(&my_charset_latin1, row[0], "information_schema"))
+        continue;
+
       if (dump_all_views_in_db(row[0]))
         result=1;
     }
@@ -3933,10 +3941,6 @@ int init_dumping_tables(char *qdatabase)
 
 static int init_dumping(char *database, int init_func(char*))
 {
-  if (mysql_get_server_version(mysql) >= 50003 &&
-      !my_strcasecmp(&my_charset_latin1, database, "information_schema"))
-    return 1;
-
   if (mysql_select_db(mysql, database))
   {
     DB_error(mysql, "when selecting the database");
@@ -3995,6 +3999,7 @@ static int dump_all_tables_in_db(char *database)
     DBUG_RETURN(1);
   if (opt_xml)
     print_xml_tag(md_result_file, "", "\n", "database", "name=", database, NullS);
+
   if (lock_tables)
   {
     DYNAMIC_STRING query;
@@ -4228,7 +4233,10 @@ static int dump_selected_tables(char *db, char **table_names, int tables)
   }
   end= pos;
 
-  if (lock_tables)
+  /* Can't LOCK TABLES in INFORMATION_SCHEMA, so don't try. */
+  if (lock_tables &&
+      !(mysql_get_server_version(mysql) >= 50003 &&
+        !my_strcasecmp(&my_charset_latin1, db, "information_schema")))
   {
     if (mysql_real_query(mysql, lock_tables_query.str,
                          lock_tables_query.length-1))