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fix function convert_tz bug

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st0
2022-02-28 20:14:53 +08:00
committed by LINxiansheng
parent 8629461387
commit 0002ca3b94
11 changed files with 318 additions and 241 deletions
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35
src/sql/engine/expr/ob_expr_least.h
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@ -22,13 +22,34 @@ public:
explicit ObExprBaseLeastGreatest(
common::ObIAllocator& alloc, ObExprOperatorType type, const char* name, int32_t param_num);
virtual ~ObExprBaseLeastGreatest();
int calc_result_typeN_oracle(
ObExprResType& type, ObExprResType* types_stack, int64_t param_num, common::ObExprTypeCtx& type_ctx) const;
int calc_result_typeN_mysql(
ObExprResType& type, ObExprResType* types_stack, int64_t param_num, common::ObExprTypeCtx& type_ctx) const;
void set_param_type(const ObExprResType& type, ObExprResType* types, int64_t param_num) const;
static int calc(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum, bool least);
int calc_result_typeN_oracle(ObExprResType &type,
ObExprResType *types_stack,
int64_t param_num,
common::ObExprTypeCtx &type_ctx) const;
int calc_result_typeN_mysql(ObExprResType &type,
ObExprResType *types_stack,
int64_t param_num,
common::ObExprTypeCtx &type_ctx) const;
void set_param_type(const ObExprResType &type,
ObExprResType *types,
int64_t param_num) const;
static int calc(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum, bool least);
// left < right: return true, else return false.
static inline bool cmp_integer(const ObDatum &l_datum, const bool l_is_int,
const ObDatum &r_datum, const bool r_is_int)
{
bool ret_bool = true;
if (l_is_int && r_is_int) {
ret_bool = l_datum.get_int() < r_datum.get_int();
} else if (!l_is_int && !r_is_int) {
ret_bool = l_datum.get_uint() < r_datum.get_uint();
} else if (l_is_int && !r_is_int) {
ret_bool = l_datum.get_int() < r_datum.get_uint();
} else {
ret_bool = l_datum.get_uint() < r_datum.get_int();
}
return ret_bool;
}
private:
// disallow copy
DISALLOW_COPY_AND_ASSIGN(ObExprBaseLeastGreatest);