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unittest/sql/engine/expr/ob_expr_test_kit.h

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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.
+ */
+
+#ifndef OCEANBASE_EXPR_OB_EXPR_TEST_KIT_H_
+#define OCEANBASE_EXPR_OB_EXPR_TEST_KIT_H_
+
+#include "lib/oblog/ob_log_module.h"
+#include "sql/parser/ob_parser.h"
+#include "sql/resolver/ob_resolver.h"
+#include "sql/resolver/ob_schema_checker.h"
+#include "sql/resolver/expr/ob_raw_expr_util.h"
+#include "sql/engine/ob_exec_context.h"
+#include "observer/ob_server.h"
+#include "share/ob_tenant_mgr.h"
+#include "share/schema/ob_schema_getter_guard.h"
+#include "sql/ob_sql_init.h"
+#include "sql/code_generator/ob_expr_generator_impl.h"
+
+namespace oceanbase {
+namespace sql {
+
+// help create old expr && new expr
+struct ObExprTestKit {
+  ObExprTestKit();
+  int init();
+
+  void destroy();
+
+  int resolve_const_expr(const char* str, ObRawExpr*& expr);
+
+  // resolve const expr and replace arguments with %args
+  int create_expr(
+      const char* expr_str, ObObj* args, int arg_cnt, ObRawExpr* raw_expr, ObSqlExpression& old_expr, ObExpr*& expr);
+
+  OB_INLINE int timed_execute(const char* info, const int64_t times, std::function<int(void)> func)
+  {
+    int ret = common::OB_SUCCESS;
+    int64_t start = common::ObTimeUtility::current_time();
+    for (int64_t i = 0; OB_SUCC(ret) && i < times; i++) {
+      if (OB_FAIL(func())) {
+        SQL_LOG(WARN, "call function failed", K(ret));
+      }
+    }
+    int64_t end = common::ObTimeUtility::current_time();
+    SQL_LOG(INFO, "timed execute", K(info), K(times), K(end - start));
+    return ret;
+  }
+
+  uint64_t tenant_id_ = 1001;
+  ObArenaAllocator allocator_;
+  ObArenaAllocator calc_buf_;
+  ObArenaAllocator eval_tmp_alloc_;
+  ObSQLSessionInfo session_;
+  ObRawExprFactory expr_factory_;
+  ObSqlCtx sql_ctx_;
+  ObExecContext exec_ctx_;
+  ObExprCtx expr_ctx_;
+  ObEvalCtx eval_ctx_;
+};
+
+}  // end namespace sql
+}  // end namespace oceanbase
+#endif  // OCEANBASE_EXPR_OB_EXPR_TEST_KIT_H_