[CP] fix insert stmt deep copy bug

src/sql/resolver/dml/ob_dml_resolver.cpp

@@ -8880,7 +8880,7 @@ int ObDMLResolver::add_cte_table_to_children(ObChildStmtResolver& child_resolver
 }
 
 int ObDMLResolver::resolve_index_rowkey_exprs(uint64_t table_id, const ObTableSchema& index_schema,
-    ObIArray<ObColumnRefRawExpr*>& column_exprs, bool use_shared_spk /*= true*/)
+    ObIArray<ObColumnRefRawExpr*>& column_exprs, bool use_shared_spk /*= false*/)
 {
   int ret = OB_SUCCESS;
   ObDMLStmt* dml_stmt = get_stmt();

src/sql/resolver/dml/ob_insert_resolver.cpp

@@ -2074,7 +2074,7 @@ int ObInsertResolver::resolve_dupkey_scan_info(const ObTableSchema& index_schema
       ret = OB_ERR_UNEXPECTED;
       LOG_WARN("get unexpected null", K(ret), K(table_columns), K(table_offset));
     } else if (OB_FAIL(resolve_index_rowkey_exprs(
-                   insert_stmt->get_insert_table_id(table_offset), index_schema, index_rowkey_exprs))) {
+                   insert_stmt->get_insert_table_id(table_offset), index_schema, index_rowkey_exprs, true))) {
       LOG_WARN("resolve index rowkey exprs failed", K(ret), KPC(insert_stmt), K(index_schema));
     } else if (index_schema.is_global_index_table()) {
       // For global unique index,

src/sql/resolver/dml/ob_insert_stmt.cpp

@@ -806,5 +806,21 @@ int ObInsertTableInfo::assign(const ObInsertTableInfo& other)
   return ret;
 }
 
+int ObInsertStmt::inner_get_share_exprs(ObIArray<ObRawExpr*> &candi_share_exprs) const
+{
+  int ret = OB_SUCCESS;
+  if (OB_FAIL(ObDelUpdStmt::inner_get_share_exprs(candi_share_exprs))) {
+    LOG_WARN("failed to mark share exprs", K(ret));
+  }
+  // shadow pk in constraint_infos are not shared with shadow pk in all_table_column.
+  // Place refer to ObInsertResolver::resolve_unique_index_constraint_info for more information.
+  for (int64_t i = 0; OB_SUCC(ret) && i < constraint_check_stmt_.constraint_infos_.count(); ++i) {
+    if (OB_FAIL(append(candi_share_exprs, constraint_check_stmt_.constraint_infos_.at(i).constraint_columns_))) {
+      LOG_WARN("failed to append exprs", K(ret));
+    }
+  }
+  return ret;
+}
+
 }  // namespace sql
 }  // namespace oceanbase

src/sql/resolver/dml/ob_insert_stmt.h

@@ -290,6 +290,7 @@ public:
     return multi_insert_table_info_;
   }
   DECLARE_VIRTUAL_TO_STRING;
+  virtual int inner_get_share_exprs(ObIArray<ObRawExpr*> &share_exprs) const;
 
 protected:
   // Get the root expr of all query-related expressions in