Add ddst_dict_init api support for rocksdb dd

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storage/rocksdb/ha_rocksdb.cc

@@ -56,6 +56,7 @@
 #include "sql/dd/dictionary.h" // dd::Dictionary
 #include "sql/debug_sync.h"
 #include "sql/json_dom.h"
+#include "sql/plugin_table.h"
 #include "sql/sql_audit.h"
 #include "sql/sql_class.h"
 #include "sql/sql_lex.h"
@@ -3257,6 +3258,11 @@ std::string dump_ingest_external_file_options(
  return s.str();
 }
 
+static bool rocksdb_ddse_dict_init(dict_init_mode_t dict_init_mode,
+ uint version,
+ List<const dd::Object_table> *tables,
+ List<const Plugin_tablespace> *tablespaces);
+
 /*
  Very short (functor-like) interface to be passed to
  Rdb_transaction::walk_tx_list()
@@ -7432,6 +7438,8 @@ static int rocksdb_init_internal(void *const p) {
  rocksdb_hton->clone_interface.clone_apply = rocksdb_clone_apply;
  rocksdb_hton->clone_interface.clone_apply_end = rocksdb_clone_apply_end;
 
+ rocksdb_hton->ddse_dict_init = rocksdb_ddse_dict_init;
+
  rocksdb_hton->flags = HTON_SUPPORTS_EXTENDED_KEYS | HTON_CAN_RECREATE;
 
  rocksdb_hton->partition_flags = rocksdb_partition_flags;
@@ -19020,6 +19028,22 @@ static bool parse_fault_injection_params(
  return false;
 }
 
+static bool rocksdb_ddse_dict_init(
+ dict_init_mode_t dict_init_mode, [[maybe_unused]] uint version,
+ [[maybe_unused]] List<const dd::Object_table> *tables,
+ List<const Plugin_tablespace> *tablespaces) {
+ assert(tables && tables->is_empty());
+ assert(tablespaces && tablespaces->is_empty());
+
+ assert(dict_init_mode == DICT_INIT_CREATE_FILES ||
+ dict_init_mode == DICT_INIT_CHECK_FILES);
+
+ static Plugin_tablespace dd_space("mysql", "", "", "", rocksdb_hton_name);
+ tablespaces->push_back(&dd_space);
+
+ return false;
+}
+
 } // namespace myrocks
 
 /*