Merge branch 'mysql-8.0' into mysql-8.4

Author: Vidhya Sree Rajuladevi

sql/sql_table.cc

@@ -13875,6 +13875,8 @@ static bool mysql_inplace_alter_table(
     close_temporary_table(thd, altered_table, true, false);
     rollback_needs_dict_cache_reset = true;
 
+    DEBUG_SYNC(thd, "alter_table_inplace_will_need_reset");
+
     /*
       Replace table definition in the data-dictionary.
 

storage/innobase/dict/dict0dict.cc

@@ -1983,6 +1983,8 @@ void dict_partitioned_table_remove_from_cache(const char *name) {
   ut_ad(dict_sys_mutex_own());
 
   size_t name_len = strlen(name);
+  const auto name_with_separator =
+      std::string{name, name_len} + dict_name::PART_SEPARATOR;
 
   for (uint32_t i = 0; i < hash_get_n_cells(dict_sys->table_id_hash); ++i) {
     dict_table_t *table;
@@ -2000,8 +2002,10 @@ void dict_partitioned_table_remove_from_cache(const char *name) {
         continue;
       }
 
-      if ((strncmp(name, prev_table->name.m_name, name_len) == 0) &&
-          dict_table_is_partition(prev_table)) {
+      /* Find all the partitions or subpartitions of table with name */
+      if (!strncmp(name_with_separator.data(), prev_table->name.m_name,
+                   name_with_separator.size())) {
+        ut_a(dict_table_is_partition(prev_table));
         btr_drop_ahi_for_table(prev_table);
         dict_table_remove_from_cache(prev_table);
       }