patch 4.0

src/sql/optimizer/ob_delete_log_plan.h

@@ -12,34 +12,45 @@
 
 #ifndef _OB_DELETE_LOG_PLAN_H
 #define _OB_DELETE_LOG_PLAN_H
-#include "lib/container/ob_array.h"
 #include "sql/resolver/dml/ob_delete_stmt.h"
-#include "sql/optimizer/ob_log_plan.h"
+#include "sql/optimizer/ob_del_upd_log_plan.h"
 
-namespace oceanbase {
-namespace sql {
+namespace oceanbase
+{
+namespace sql
+{
 /**
  *  Logical Plan for 'delete' statement
  */
-class ObLogDelete;
-class ObDeleteLogPlan : public ObLogPlan {
+class ObDeleteLogPlan : public ObDelUpdLogPlan
+{
 public:
-  ObDeleteLogPlan(ObOptimizerContext& ctx, const ObDeleteStmt* delete_stmt)
-      : ObLogPlan(ctx, delete_stmt), delete_op_(NULL)
+  ObDeleteLogPlan(ObOptimizerContext &ctx, const ObDeleteStmt *delete_stmt)
+    : ObDelUpdLogPlan(ctx, delete_stmt)
   {}
-  virtual ~ObDeleteLogPlan(){};
-
-  int generate_raw_plan();
-  virtual int generate_plan();
+  virtual ~ObDeleteLogPlan() {}
+  virtual int generate_raw_plan() override;
+  const ObDeleteStmt *get_stmt() const override
+  { return reinterpret_cast<const ObDeleteStmt*>(stmt_); }
 
 private:
   DISALLOW_COPY_AND_ASSIGN(ObDeleteLogPlan);
-  int allocate_delete_as_top(ObLogicalOperator*& top);
-  int allocate_pdml_delete_as_top(ObLogicalOperator*& top);
-
-private:
-  ObLogDelete* delete_op_;
+  // 分配普通delete计划的delete log operator
+  int candi_allocate_delete();
+  int create_delete_plan(ObLogicalOperator *&top);
+  int create_delete_plans(ObIArray<CandidatePlan> &candi_plans,
+                          const bool force_no_multi_part,
+                          const bool force_multi_part,
+                          ObIArray<CandidatePlan> &delete_plans);
+  int allocate_delete_as_top(ObLogicalOperator *&top, bool is_multi_part_dml);
+  // 分配pdml delete计划中的delete log operator
+  int candi_allocate_pdml_delete();
+  virtual int prepare_dml_infos() override;
+  virtual int prepare_table_dml_info_special(const ObDmlTableInfo& table_info,
+                                             IndexDMLInfo* table_dml_info,
+                                             ObIArray<IndexDMLInfo*> &index_dml_infos,
+                                             ObIArray<IndexDMLInfo*> &all_index_dml_infos) override;
 };
-}  // namespace sql
-}  // namespace oceanbase
+}
+}
 #endif