discard ObChunkRowDE mod && do not push view task when queue size almost full

src/sql/engine/join/ob_hash_join_basic.h

@@ -162,7 +162,7 @@ public:
       int32_t part_level,
       int64_t part_shift,
       int64_t batchno)
-  : chunk_row_store_(&alloc),
+  : chunk_row_store_(common::ObModIds::OB_ARENA_HASH_JOIN, &alloc),
     inner_callback_(nullptr),
     part_level_(part_level),
     part_shift_(part_shift),

src/sql/engine/join/ob_merge_join_op.cpp

@@ -36,6 +36,7 @@ ObMergeJoinOp::ObMergeJoinOp(ObExecContext &exec_ctx, const ObOpSpec &spec, ObOp
   : ObJoinOp(exec_ctx, spec, input),
     state_(JS_JOIN_BEGIN),
     mem_context_(NULL),
+    right_cache_(ObModIds::OB_SQL_MERGE_JOIN),
     stored_row_(NULL),
     stored_row_idx_(-1),
     empty_cache_iter_side_(ITER_BOTH),

src/sql/engine/join/ob_nested_loop_join_op.cpp

@@ -32,11 +32,11 @@ ObNestedLoopJoinOp::ObNestedLoopJoinOp(ObExecContext &exec_ctx,
                                        const ObOpSpec &spec,
                                        ObOpInput *input)
   : ObBasicNestedLoopJoinOp(exec_ctx, spec, input),
-    state_(JS_READ_LEFT), mem_context_(nullptr), is_left_end_(false),
+    state_(JS_READ_LEFT), mem_context_(nullptr), left_store_("NljLStore"), is_left_end_(false),
     last_store_row_(), save_last_row_(false), defered_right_rescan_(false),
     batch_rescan_ctl_(),
     batch_state_(JS_FILL_LEFT), save_last_batch_(false),
-    batch_mem_ctx_(NULL), stored_rows_(NULL), left_brs_(NULL), left_matched_(NULL),
+    batch_mem_ctx_(NULL), stored_rows_(NULL), right_store_("NljRStore"), left_brs_(NULL), left_matched_(NULL),
     need_switch_iter_(false), iter_end_(false), op_max_batch_size_(0),
     max_group_size_(OB_MAX_BULK_JOIN_ROWS),
     group_join_buffer_(),