13#include "sql/expr/aggregate_hash_table.h"
14#include "sql/operator/physical_operator.h"
29 RC open(
Trx *trx)
override {
return RC::UNIMPLEMENTED; }
30 RC next(
Chunk &chunk)
override {
return RC::UNIMPLEMENTED; }
31 RC close()
override {
return RC::UNIMPLEMENTED; }
A Chunk represents a set of columns.
Definition: chunk.h:23
Group By 物理算子(vectorized)
Definition: group_by_vec_physical_operator.h:21
与LogicalOperator对应,物理算子描述执行计划将如何执行
Definition: physical_operator.h:63
事务接口
Definition: trx.h:141
PhysicalOperatorType
物理算子类型
Definition: physical_operator.h:36