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patch 4.0

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wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
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58
src/sql/engine/expr/ob_expr_timestamp_diff.h
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@ -15,47 +15,53 @@
#include "lib/ob_name_def.h"
#include "share/object/ob_obj_cast.h"
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase {
namespace sql {
class ObExprTimeStampDiff : public ObFuncExprOperator {
namespace oceanbase
{
namespace sql
{
class ObExprTimeStampDiff : public ObFuncExprOperator
{
public:
explicit ObExprTimeStampDiff(common::ObIAllocator& alloc);
explicit ObExprTimeStampDiff(common::ObIAllocator &alloc);
virtual ~ObExprTimeStampDiff();
virtual int calc_result_type3(ObExprResType& type, ObExprResType& unit, ObExprResType& left, ObExprResType& right,
common::ObExprTypeCtx& type_ctx) const override;
virtual int calc_result3(common::ObObj& result, const common::ObObj& unit, const common::ObObj& left,
const common::ObObj& right, common::ObExprCtx& expr_ctx) const override;
virtual common::ObCastMode get_cast_mode() const override
{
return CM_NULL_ON_WARN;
}
static int eval_timestamp_diff(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res);
virtual int cg_expr(ObExprCGCtx& ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const override;
virtual int calc_result_type3(ObExprResType &type,
ObExprResType &unit,
ObExprResType &left,
ObExprResType &right,
common::ObExprTypeCtx &type_ctx) const;
virtual common::ObCastMode get_cast_mode() const { return CM_NULL_ON_WARN;}
static int eval_timestamp_diff(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
virtual int cg_expr(ObExprCGCtx &ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr) const override;
private:
static int calc(int64_t& res, bool& is_null, int64_t unit_value, int64_t usec_left, int64_t usec_right,
const common::ObTimeZoneInfo* tz_info);
static int calc_month_diff(
const int64_t& left, const int64_t& right, const common::ObTimeZoneInfo* tz_info, int64_t& diff);
static int adjust_sub_one(const common::ObTime* p_min, const common::ObTime* p_max, int64_t& bias);
static int calc(int64_t &res, bool &is_null, int64_t unit_value, int64_t usec_left,
int64_t usec_right, const common::ObTimeZoneInfo *tz_info);
static int calc_month_diff(const int64_t &left,
const int64_t &right,
const common::ObTimeZoneInfo *tz_info,
int64_t &diff);
static int adjust_sub_one(const common::ObTime *p_min, const common::ObTime *p_max, int64_t &bias);
// disallow copy
DISALLOW_COPY_AND_ASSIGN(ObExprTimeStampDiff);
};
inline int ObExprTimeStampDiff::calc_result_type3(ObExprResType& type, ObExprResType& unit, ObExprResType& left,
ObExprResType& right, common::ObExprTypeCtx& type_ctx) const
inline int ObExprTimeStampDiff::calc_result_type3(ObExprResType &type,
ObExprResType &unit,
ObExprResType &left,
ObExprResType &right,
common::ObExprTypeCtx &type_ctx) const
{
UNUSED(type_ctx);
UNUSED(unit);
type.set_int();
type.set_scale(common::DEFAULT_SCALE_FOR_INTEGER);
type.set_precision(common::ObAccuracy::DDL_DEFAULT_ACCURACY[common::ObIntType].precision_);
// set calc type
//set calc type
left.set_calc_type(common::ObTimestampType);
right.set_calc_type(common::ObTimestampType);
return common::OB_SUCCESS;
}
} // namespace sql
} // namespace oceanbase
#endif //_OCEANBASE_SQL_OB_EXPR_TIME_STMAP_DIFF_H_
} //sql
} //oceanbase
#endif //_OCEANBASE_SQL_OB_EXPR_TIME_STMAP_DIFF_H_