Add ddst_dict_init api support for rocksdb dd

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Author: sunshine-Chun

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
 
 /*