Fix direct load exec session info

src/sql/engine/cmd/ob_table_direct_insert_ctx.h

@@ -10,7 +10,7 @@ namespace oceanbase
 {
 namespace observer
 {
-class ObTableLoadExecCtx;
+class ObTableLoadSqlExecCtx;
 class ObTableLoadInstance;
 }
 
@@ -36,7 +36,7 @@ private:
   int init_store_column_idxs(const uint64_t tenant_id, const uint64_t table_id,
                              common::ObIArray<int64_t> &store_column_idxs);
 private:
-  observer::ObTableLoadExecCtx *load_exec_ctx_;
+  observer::ObTableLoadSqlExecCtx *load_exec_ctx_;
   observer::ObTableLoadInstance *table_load_instance_;
   bool is_inited_;
 };