370 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			370 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /**
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|  * Copyright (c) 2021 OceanBase
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|  * OceanBase CE is licensed under Mulan PubL v2.
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|  * You can use this software according to the terms and conditions of the Mulan PubL v2.
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|  * You may obtain a copy of Mulan PubL v2 at:
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|  *          http://license.coscl.org.cn/MulanPubL-2.0
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|  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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|  * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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|  * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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|  * See the Mulan PubL v2 for more details.
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|  */
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| 
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| #ifndef OCEANBASE_UNITTEST_SQL_ENGINE_TABLE_OB_FAKE_TABLE_H_
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| #define OCEANBASE_UNITTEST_SQL_ENGINE_TABLE_OB_FAKE_TABLE_H_
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| 
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| #include "share/object/ob_obj_cast.h"
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| #include "common/row/ob_row_store.h"
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| #include "lib/time/ob_time_utility.h"
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| #include "lib/timezone/ob_time_convert.h"
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| #include "sql/engine/ob_no_children_phy_operator.h"
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| #include "sql/engine/ob_exec_context.h"
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| #include "lib/allocator/ob_allocator.h"
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| using namespace oceanbase::common;
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| using namespace oceanbase::sql;
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| 
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| #define null static_cast<const char*>(NULL)
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| #define timestamp(val) convert_to_timestamp(val)
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| 
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| #define COL(val) \
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|   ({\
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|     ObObj *_obj = new ObObj(); \
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|     int err = OB_SUCCESS; \
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|     if (OB_SUCCESS != (err = set_value(*_obj, val))) { \
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|       _OB_LOG(WARN, "fail to set value, err=%d", err); \
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|     } \
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|     _obj; \
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|   })
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| 
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| #define COL_T(type, val) \
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|   ({ \
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|     ObObj *_obj = new ObObj(); \
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|     _obj->set_##type(val); \
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|     _obj; \
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|   })
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| 
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| #define ADD_ROW(table_op, args...) \
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|   if (OB_SUCC(ret)) { \
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|     ObObj _cells[OB_MAX_COLUMN_NUMBER]; \
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|     ObNewRow _row; \
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|     _row.cells_ = _cells; \
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|     _row.count_ = table_op.get_column_count(); \
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|     if (OB_SUCCESS != (ret = fill_row(_row, ##args))) { \
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|       _OB_LOG(WARN, "fail to fill row, ret=%d", ret); \
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|     } else if (OB_SUCCESS != (ret = table_op.add_row(_row))) { \
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|       _OB_LOG(WARN, "fail to add row, ret=%d", ret); \
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|     } \
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|   }
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| 
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| #define EXCEPT_RESULT(_ctx, _result_table, op, collation) \
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|     EXCEPT_RESULT_WITH_IDX(_ctx, _result_table, op, 0, 0, collation)
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| 
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| #define EXCEPT_RESULT_SET(_ctx, _result_table, op, start_idx, end_idx, collation) \
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|     EXCEPT_RESULT_WITH_IDX(_ctx, _result_table, op, start_idx, end_idx, collation)
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| 
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| #define EXCEPT_RESULT_WITH_IDX(_ctx, _result_table, op, start_idx, end_idx, collation) \
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|   if (OB_SUCC(ret)) { \
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|     int _ret = OB_SUCCESS; \
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|     const ObNewRow *result_row = NULL; \
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|     while(OB_SUCCESS == (_ret = op.get_next_row(_ctx, result_row))) { \
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|       const ObNewRow *except_row = NULL; \
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|       printf("row=%s\n", to_cstring(*result_row)); \
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|       ASSERT_EQ(OB_SUCCESS, _result_table.get_next_row(_ctx, except_row)); \
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|       printf("except_row=%s\n", to_cstring(*except_row)); \
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|       ASSERT_TRUE(except_row->count_ == result_row->count_); \
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|       for (int64_t i = start_idx; i < end_idx; ++i) { \
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|         printf("index=%ld, cell=%s, respect_cell=%s\n", i, to_cstring(result_row->cells_[i]), to_cstring(except_row->cells_[i])); \
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|         ASSERT_TRUE(0 == except_row->cells_[i].compare(result_row->cells_[i], collation)); \
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|       } \
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|       result_row = NULL; \
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|     } \
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|     ASSERT_EQ(OB_ITER_END, _ret); \
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|   }
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| 
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| namespace oceanbase
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| {
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| namespace common
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| {
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| extern void init_global_memory_pool();
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| }  // namespace common
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| }  // namespace oceanbase
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| 
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| typedef struct TimeStampWrap
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| {
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|   int64_t usec_;
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| } TimeStampWrap;
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| 
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| TimeStampWrap convert_to_timestamp(int64_t usec)
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| {
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|   TimeStampWrap time_stamp;
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|   time_stamp.usec_ = usec;
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|   return time_stamp;
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| }
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| 
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| TimeStampWrap convert_to_timestamp(const char *str)
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| {
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|   TimeStampWrap time_stamp;
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|   ObString date = ObString::make_string(str);
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| 
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|   //ObTimeUtility::str_to_usec(date, time_stamp.usec_);
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|   ObTimeConvertCtx cvrt_ctx(NULL, false);
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|   (void)ObTimeConverter::str_to_datetime(date, cvrt_ctx, time_stamp.usec_, NULL);
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| 
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|   return time_stamp;
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| }
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| 
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| int set_value(ObObj &obj, int val)
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| {
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|   obj.set_int(static_cast<int64_t>(val));
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|   return OB_SUCCESS;
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| }
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| 
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| int set_value(ObObj &obj, int64_t val)
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| {
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|   obj.set_int(val);
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|   return OB_SUCCESS;
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| }
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| 
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| int set_value(ObObj &obj, float val)
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| {
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|   int ret = OB_SUCCESS;
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|   ObObj obj1;
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|   obj1.set_float(val);
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|   ObCastCtx cast_ctx(global_default_allocator,
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|                      NULL,
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|                      0,
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|                      CM_NONE,
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|                      CS_TYPE_INVALID,
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|                      NULL);
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|   if (OB_FAIL(ObObjCaster::to_type(ObNumberType, cast_ctx, obj1, obj))) {
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|     _OB_LOG(WARN, "fail to cast obj, ret=%d", ret);
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|   }
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|   return ret;
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| }
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| 
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| int set_value(ObObj &obj, double val)
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| {
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|   ObObj obj1;
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|   int ret = OB_SUCCESS;
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|   obj1.set_double(val);
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|   ObCastCtx cast_ctx(global_default_allocator,
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|                      NULL,
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|                      0,
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|                      CM_NONE,
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|                      CS_TYPE_INVALID,
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|                      NULL);
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|   if (OB_FAIL(ObObjCaster::to_type(ObNumberType, cast_ctx, obj1, obj))) {
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|     _OB_LOG(WARN, "fail to cast obj, ret=%d", ret);
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|   }
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|   return ret;
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| }
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| 
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| int set_value(ObObj &obj, const char *val)
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| {
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|   if (NULL == val) {
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|     obj.set_null();
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|   } else {
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|     obj.set_varchar(val, static_cast<ObString::obstr_size_t>(strlen(val)));
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|   }
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|   return OB_SUCCESS;
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| }
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| 
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| int set_value(ObObj &obj, const ObObj &val)
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| {
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|   obj = val;
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|   return OB_SUCCESS;
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| }
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| 
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| int set_value(ObObj &obj, TimeStampWrap val)
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| {
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|   obj.set_timestamp(val.usec_);
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|   return OB_SUCCESS;
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| }
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| int fill_row(ObNewRow &row, ...)
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| {
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|   int ret = OB_SUCCESS;
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|   ObObj *ptr = NULL;
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|   va_list ap;
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| 
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| #pragma GCC diagnostic push
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| #pragma GCC diagnostic ignored "-Wvarargs"
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| 
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|   va_start(ap, row);
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|   for (int64_t i = 0; OB_SUCC(ret) && i < row.count_; ++i) {
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|     if (NULL == (ptr = va_arg(ap, ObObj*))) {
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|       ret = OB_INVALID_ARGUMENT;
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|       _OB_LOG(WARN, "argument is null");
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|     } else {
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|       row.cells_[i] = *ptr;
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|       row.cells_[i].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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|       delete ptr;
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|       ptr = NULL;
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|     }
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|   }
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|   va_end(ap);
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| 
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| #pragma GCC diagnostic pop
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| 
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|   return ret;
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| }
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| static ObArenaAllocator alloc_;
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| class ObFakeTable : public ObNoChildrenPhyOperator
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| {
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| private:
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|   class ObFakeTableCtx : public ObPhyOperatorCtx
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|   {
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|   public:
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|     ObFakeTableCtx(ObExecContext &ctx)
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|         : ObPhyOperatorCtx(ctx)
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|     {
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|     }
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|     int init(int64_t projector_size)
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|     {
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|       int ret = OB_SUCCESS;
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|       projector_size_ = projector_size;
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|       projector_ = static_cast<int32_t*>(exec_ctx_.get_allocator().alloc(sizeof(int32_t) * projector_size_));
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|       if (NULL == projector_) {
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|         ret = OB_ALLOCATE_MEMORY_FAILED;
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|       }
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|       if (OB_SUCC(ret)) {
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|         for (int64_t i = 0; i < projector_size_; i++) {
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|           projector_[i] = static_cast<int32_t>(i);
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|         }
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|       }
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|       return ret;
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|     }
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|     virtual void destroy() { return ObPhyOperatorCtx::destroy_base(); }
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|     int64_t projector_size_;
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|     int32_t *projector_;
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| 
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|   private:
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|     ObRowStore::Iterator row_store_it_;
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|     friend class ObFakeTable;
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|   };
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| 
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| public:
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|   ObFakeTable(ObIAllocator &alloc) : ObNoChildrenPhyOperator(alloc), no_rescan_(false)
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|   {
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|   }
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| 
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|   ObFakeTable() : ObNoChildrenPhyOperator(alloc_), no_rescan_(false)
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|   {
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|   }
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|   ~ObFakeTable()
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|   {
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|   }
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| 
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|   void set_no_rescan() { no_rescan_ = true; }
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|   void reset()
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|   {
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|     row_store_.reset();
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|     ObNoChildrenPhyOperator::reset();
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|   }
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| 
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|   int add_row(const ObNewRow &row)
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|   {
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|     return row_store_.add_row(row);
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|   }
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| 
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|   ObPhyOperatorType get_type() const { return PHY_FAKE_TABLE; }
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| 
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|   int inner_open(ObExecContext &ctx) const
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|   {
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|     int ret = OB_SUCCESS;
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|     ObFakeTableCtx *table_ctx = NULL;
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| 
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|     if (OB_SUCCESS != (ret = init_op_ctx(ctx))) {
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|       _OB_LOG(WARN, "fail to init operator context, ret=%d", ret);
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|     } else if (NULL == (table_ctx = GET_PHY_OPERATOR_CTX(ObFakeTableCtx, ctx, get_id()))) {
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|       ret = OB_ERR_UNEXPECTED;
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|       _OB_LOG(WARN, "fail to get physical operator context");
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|     } else if (OB_FAIL(table_ctx->init(column_count_))) {
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|       _OB_LOG(WARN, "fail to init project size, ret=%d", ret);
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|     } else {
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|       table_ctx->row_store_it_ = row_store_.begin();
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|     }
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|     return ret;
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|   }
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| 
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|   int rescan(ObExecContext &ctx) const
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|   {
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|   	if (no_rescan_) {
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|   		return OB_SUCCESS;
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|   	} else {
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| 			ObFakeTableCtx *fake_table_ctx = NULL;
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| 			fake_table_ctx = GET_PHY_OPERATOR_CTX(ObFakeTableCtx, ctx, get_id());
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| 			OB_ASSERT(fake_table_ctx);
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| 			fake_table_ctx->row_store_it_ = row_store_.begin();
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| 			return ObNoChildrenPhyOperator::rescan(ctx);
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|   	}
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|   }
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| 
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|   int inner_close(ObExecContext &ctx) const
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|   {
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|     UNUSED(ctx);
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|     return OB_SUCCESS;
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|   }
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| private:
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|   /**
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|    * @brief create operator context, only child operator can know it's specific operator type,
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|    * so must be overwrited by child operator,
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|    * @param ctx[in], execute context
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|    * @param op_ctx[out], the pointer of operator context
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|    * @return if success, return OB_SUCCESS, otherwise, return errno
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|    */
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|   virtual int init_op_ctx(ObExecContext &ctx) const
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|   {
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|     int ret = OB_SUCCESS;
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|     ObPhyOperatorCtx *op_ctx = NULL;
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|     if (OB_SUCCESS != (ret = CREATE_PHY_OPERATOR_CTX(ObFakeTableCtx,
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|                                                      ctx,
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|                                                      get_id(),
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|                                                      get_type(),
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|                                                      op_ctx))) {
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|       SQL_EXE_LOG(WARN, "create physical operator context failed", K(ret));
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|     } else if (OB_SUCCESS != (ret = op_ctx->create_cur_row(get_column_count(), projector_, projector_size_))) {
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|       SQL_EXE_LOG(WARN, "create current row failed", K(ret));
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|     }
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|     return ret;
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|   }
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|   /**
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|    * @brief called by get_next_row(), get a row from the child operator or row_store
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|    * @param ctx[in], execute context
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|    * @param row[out], ObSqlRow an obj array and row_size
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|    */
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|   virtual int inner_get_next_row(ObExecContext &ctx, const ObNewRow *&row) const
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|   {
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|     int ret = OB_SUCCESS;
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|     ObFakeTableCtx *table_ctx = NULL;
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| 
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|     if (NULL == (table_ctx = GET_PHY_OPERATOR_CTX(ObFakeTableCtx, ctx, get_id()))) {
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|       ret = OB_ERR_UNEXPECTED;
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|       _OB_LOG(WARN, "fail to get physical operator context");
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|     } else if (OB_SUCCESS != (ret = table_ctx->row_store_it_.get_next_row(
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|         table_ctx->get_cur_row()))) {
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|       if (OB_ITER_END != ret) {
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|         _OB_LOG(WARN, "fail to get next row, ret=%d", ret);
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|       }
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|     } else {
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|       row = &table_ctx->get_cur_row();
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|       const_cast<ObNewRow *>(row)->projector_ = table_ctx->projector_;
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|       const_cast<ObNewRow *>(row)->projector_size_ = table_ctx->projector_size_;
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|     }
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|     return ret;
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|   }
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| 
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|   virtual int64_t to_string_kv(char *buf, const int64_t buf_len) const
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|   {
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|     int64_t pos = 0;
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|     J_KV(N_ROW_STORE, row_store_);
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|     return pos;
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|   }
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| 
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|   DISALLOW_COPY_AND_ASSIGN(ObFakeTable);
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| private:
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|   ObRowStore row_store_;
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|   bool no_rescan_;
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| };
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| 
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| #endif /* OCEANBASE_UNITTEST_SQL_ENGINE_TABLE_OB_FAKE_TABLE_H_ */
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