1 #ifndef PLAN_INDEXSCAN_H 
    2 #define PLAN_INDEXSCAN_H 
   26     static std::unique_ptr<IndexScan>
 
   27     Create(std::shared_ptr<const IndexDesc> idxdesc,
 
   28            const IndexKey* low, 
bool lower_isstrict,
 
   29            const IndexKey* high, 
bool higher_isstrict);
 
   40     IndexScan(std::shared_ptr<const IndexDesc> idxdesc,
 
   41               const IndexKey* low, 
bool lower_isstrict,
 
   42               const IndexKey* high, 
bool higher_isstrict);
 
IndexScanState is the execution state for index based table scan.
Definition: IndexScanState.h:23
IndexScan is the physical plan for index based table scanning.
Definition: IndexScan.h:24
~IndexScan() override
Definition: IndexScan.cpp:28
static std::unique_ptr< IndexScan > Create(std::shared_ptr< const IndexDesc > idxdesc, const IndexKey *low, bool lower_isstrict, const IndexKey *high, bool higher_isstrict)
Definition: IndexScan.cpp:21
void node_properties_to_string(std::string &buf, int indent) const override
Definition: IndexScan.cpp:33
IndexScan(std::shared_ptr< const IndexDesc > idxdesc, const IndexKey *low, bool lower_isstrict, const IndexKey *high, bool higher_isstrict)
Definition: IndexScan.cpp:7
std::unique_ptr< PlanExecState > create_exec_state() const override
Create the corresponding execution state for the physical plan so that it can be used as physical sca...
Definition: IndexScan.cpp:38
const Schema * get_output_schema() const override
Each physical plan should link a schema for its output relation, incidating what fields are included ...
Definition: IndexScan.cpp:44
PlanNode is an abstract interface representing physical query plan that does not bound with any parti...
Definition: PlanNode.h:26
A Schema object stores the information for accessing an ordered set of typed fields either from a dis...
Definition: Schema.h:39
An IndexKey stores references to a few data (Datum objects) that comprise a key tuple to in an index.
Definition: IndexKey.h:35