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unittest/sql/plan_cache/test_sql_parameterization.cpp

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+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#include <gtest/gtest.h>
+#define private public
+#include "sql/plan_cache/ob_sql_parameterization.h"
+#include "sql/plan_cache/ob_id_manager_allocator.h"
+#include "lib/allocator/page_arena.h"
+
+using namespace oceanbase;
+using namespace common;
+using namespace sql;
+using namespace share::schema;
+
+#define OK(value) ASSERT_EQ(OB_SUCCESS, (value))
+
+class TestSqlParameterization : public ::testing::Test {
+  public:
+  TestSqlParameterization();
+  virtual ~TestSqlParameterization();
+  virtual void SetUp();
+  virtual void TearDown();
+
+  private:
+  // disallow copy
+  TestSqlParameterization(const TestSqlParameterization& other);
+  TestSqlParameterization& operator=(const TestSqlParameterization& other);
+
+  protected:
+  // data members
+};
+
+TestSqlParameterization::TestSqlParameterization()
+{}
+
+TestSqlParameterization::~TestSqlParameterization()
+{}
+
+void TestSqlParameterization::SetUp()
+{}
+
+void TestSqlParameterization::TearDown()
+{}
+
+TEST_F(TestSqlParameterization, parameterize_sql)
+{
+  int ret = OB_SUCCESS;
+  ObArenaAllocator allocator(0);
+  ObString stmt = ObString::make_string("select * from t1 where c1 = 3 group by 2 order by 1");
+  ObSEArray<const ObPCParam*, OB_PC_NOT_PARAM_COUNT> not_params;
+  ObFastParserResult fp_result;
+  if (OB_FAIL(ObSqlParameterization::fast_parser(
+          allocator, SMO_DEFAULT, ObCharset::get_system_collation(), stmt, false, fp_result))) {
+    SQL_PC_LOG(WARN, "fail to fast_parser", K(stmt));
+  }
+
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ASSERT_EQ(fp_result.raw_params_.count(), 3);
+  ASSERT_EQ(3, fp_result.raw_params_.at(0)->node_->value_);
+  ASSERT_EQ(2, fp_result.raw_params_.at(1)->node_->value_);
+  ASSERT_EQ(1, fp_result.raw_params_.at(2)->node_->value_);
+  /*  printf("no_param_sql: %s\n", fp_result.key_.ptr());*/
+  // for (int64_t i = 0; i < fp_result.raw_params_.count(); i++) {
+  // ParseNode *param = fp_result.raw_params_.at(i)->node_;
+  // printf("    param_%ld: type:%d; value:%ld, str_value:%s, raw_text:%s, pos_:%ld\n",
+  // i, param->type_,
+  // param->value_,
+  // param->str_value_,
+  // param->raw_text_,
+  // param->pos_);
+  /*}*/
+}
+
+int main(int argc, char** argv)
+{
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}