adjust subquery iter hash map memory mode && adjust table columns rewrite error code

src/observer/virtual_table/ob_table_columns.cpp

@@ -933,7 +933,7 @@ int ObTableColumns::resolve_view_definition(
                        K(select_stmt_node->type_));
             } else if (OB_FAIL(select_resolver.resolve(*select_stmt_node))) {
               LOG_WARN("resolve view definition failed", K(ret));
-              if (OB_ALLOCATE_MEMORY_FAILED != ret) {
+              if (can_rewrite_error_code(ret)) {
                 ret = OB_ERR_VIEW_INVALID;
               } else {
                 LOG_WARN("failed to resolve view", K(ret));
@@ -1125,5 +1125,15 @@ int64_t ObTableColumns::ColumnAttributes::get_data_length() const
       result_type_.get_accuracy().get_length() : ob_obj_type_size(result_type_.get_type());
 }
 
+bool ObTableColumns::can_rewrite_error_code(const int ret)
+{
+  bool res = true;
+  if (OB_ALLOCATE_MEMORY_FAILED == ret
+      || OB_SQL_RESOLVER_NO_MEMORY == ret) {
+    res = false;
+  }
+  return res;
+}
+
 }/* ns observer*/
 }/* ns oceanbase */

src/observer/virtual_table/ob_table_columns.h

@@ -140,6 +140,7 @@ private:
       const int64_t buf_len,
       int64_t &pos);
 private:
+  static bool can_rewrite_error_code(const int ret);
   char type_str_[common::OB_MAX_SYS_PARAM_NAME_LENGTH];
   char *column_type_str_;
   int64_t column_type_str_len_;

src/sql/engine/subquery/ob_subplan_filter_op.cpp

@@ -223,7 +223,7 @@ int ObSubQueryIterator::init_mem_entity()
   lib::ContextParam param;
   param.set_mem_attr(ObMemAttr(op_.get_exec_ctx().get_my_session()->get_effective_tenant_id(),
         "SqlSQIterator",
-        ObCtxIds::WORK_AREA));
+        ObCtxIds::DEFAULT_CTX_ID));
   param.set_properties(lib::USE_TL_PAGE_OPTIONAL);
   if (OB_FAIL(CURRENT_CONTEXT->CREATE_CONTEXT(mem_entity_, param))) {
     LOG_WARN("fail to create entity", K(ret));

src/sql/engine/subquery/ob_subplan_filter_op.h

@@ -67,7 +67,10 @@ public:
   int init_mem_entity();
   int init_hashmap(const int64_t param_num)
   {
-    return hashmap_.create(param_num * 2, common::ObModIds::OB_HASH_BUCKET);
+    int64_t tenant_id = op_.get_exec_ctx().get_my_session()->get_effective_tenant_id();
+    return hashmap_.create(param_num * 2,
+                           ObMemAttr(tenant_id, "SqlSQIterBKT", ObCtxIds::DEFAULT_CTX_ID),
+                           ObMemAttr(tenant_id, "SqlSQIterND", ObCtxIds::DEFAULT_CTX_ID));
   }
   bool has_hashmap() const { return hashmap_.created(); }
   int init_probe_row(const int64_t cnt);