Delete the unsed index_predicate_ in index scan plans. (#1324)

* Delete the unsed index_predicate_ in index scan plans.

* Fix a compilation issue.

* Move arguments to different lines.

Author: linmagit

src/include/planner/hybrid_scan_plan.h

@@ -54,10 +54,6 @@ class HybridScanPlan : public AbstractScan {
     return expr_types_;
   }
 
-  const index::IndexScanPredicate &GetIndexPredicate() const {
-    return index_predicate_;
-  }
-
   const std::vector<type::Value> &GetValues() const { return values_; }
 
   const std::vector<expression::AbstractExpression *> &GetRunTimeKeys() const {
@@ -81,8 +77,6 @@ class HybridScanPlan : public AbstractScan {
 
   oid_t index_id_;
 
-  index::IndexScanPredicate index_predicate_;
-
  private:
   DISALLOW_COPY_AND_MOVE(HybridScanPlan);
 };

src/include/planner/index_scan_plan.h

@@ -16,11 +16,11 @@
 #include <string>
 #include <vector>
 
+#include "common/internal_types.h"
 #include "expression/abstract_expression.h"
 #include "index/scan_optimizer.h"
 #include "planner/abstract_scan_plan.h"
 #include "storage/tuple.h"
-#include "common/internal_types.h"
 
 namespace peloton {
 
@@ -123,10 +123,6 @@ class IndexScanPlan : public AbstractScan {
     return expr_types_;
   }
 
-  const index::IndexScanPredicate &GetIndexPredicate() const {
-    return index_predicate_;
-  }
-
   const std::vector<type::Value> &GetValues() const { return values_; }
 
   const std::vector<expression::AbstractExpression *> &GetRunTimeKeys() const {
@@ -204,12 +200,6 @@ class IndexScanPlan : public AbstractScan {
 
   const std::vector<expression::AbstractExpression *> runtime_keys_;
 
-  // Currently we just support single conjunction predicate
-  //
-  // In the future this might be extended into an array of conjunctive
-  // predicates connected by disjunction
-  index::IndexScanPredicate index_predicate_;
-
   // whether the index scan range is left open
   bool left_open_ = false;
 

src/planner/hybrid_scan_plan.cpp

@@ -32,8 +32,7 @@ HybridScanPlan::HybridScanPlan(
       expr_types_(std::move(index_scan_desc.expr_list)),
       values_(std::move(index_scan_desc.value_list)),
       runtime_keys_(std::move(index_scan_desc.runtime_key_list)),
-      index_id_(index_scan_desc.index_id),
-      index_predicate_() {}
+      index_id_(index_scan_desc.index_id) {}
 
 }  // namespace planner
 }  // namespace peloton

src/planner/index_scan_plan.cpp

@@ -11,10 +11,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "planner/index_scan_plan.h"
+#include "common/internal_types.h"
 #include "expression/constant_value_expression.h"
 #include "expression/expression_util.h"
 #include "storage/data_table.h"
-#include "common/internal_types.h"
 
 namespace peloton {
 namespace planner {
@@ -29,10 +29,7 @@ IndexScanPlan::IndexScanPlan(storage::DataTable *table,
       key_column_ids_(std::move(index_scan_desc.tuple_column_id_list)),
       expr_types_(std::move(index_scan_desc.expr_list)),
       values_with_params_(std::move(index_scan_desc.value_list)),
-      runtime_keys_(std::move(index_scan_desc.runtime_key_list)),
-      // Initialize the index scan predicate object and initialize all
-      // keys that we could initialize
-      index_predicate_() {
+      runtime_keys_(std::move(index_scan_desc.runtime_key_list)) {
   LOG_TRACE("Creating an Index Scan Plan");
 
   if (for_update_flag == true) {