135 lines
3.9 KiB
C++
135 lines
3.9 KiB
C++
/**
|
|
* 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.
|
|
*/
|
|
|
|
#define USING_LOG_PREFIX SQL_ENG
|
|
#include "sql/engine/expr/ob_expr_not.h"
|
|
//#include "sql/engine/expr/ob_expr_promotion_util.h"
|
|
#include "share/object/ob_obj_cast.h"
|
|
#include "lib/oblog/ob_log.h"
|
|
#include "sql/session/ob_sql_session_info.h"
|
|
|
|
using namespace oceanbase::sql;
|
|
using namespace oceanbase::common;
|
|
|
|
namespace oceanbase
|
|
{
|
|
namespace sql
|
|
{
|
|
}
|
|
}
|
|
|
|
|
|
ObExprNot::ObExprNot(ObIAllocator &alloc)
|
|
: ObLogicalExprOperator(alloc, T_OP_NOT, N_NOT, 1, NOT_ROW_DIMENSION)
|
|
{
|
|
}
|
|
|
|
int ObExprNot::calc_result_type1(ObExprResType &type,
|
|
ObExprResType &type1,
|
|
ObExprTypeCtx &type_ctx) const
|
|
{
|
|
UNUSED(type_ctx);
|
|
int ret = OB_SUCCESS;
|
|
if (NOT_ROW_DIMENSION == row_dimension_) {
|
|
if (ObMaxType == type1.get_type()) {
|
|
ret = OB_ERR_UNEXPECTED;
|
|
} else {
|
|
type.set_int();
|
|
ObExprOperator::calc_result_flag1(type, type1);
|
|
type.set_scale(DEFAULT_SCALE_FOR_INTEGER);
|
|
type.set_precision(DEFAULT_PRECISION_FOR_BOOL);
|
|
//keep enumset as enumset
|
|
}
|
|
} else {
|
|
ret = OB_ERR_INVALID_TYPE_FOR_OP;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int ObExprNot::cg_expr(ObExprCGCtx &expr_cg_ctx,
|
|
const ObRawExpr &raw_expr,
|
|
ObExpr &rt_expr) const
|
|
{
|
|
int ret = OB_SUCCESS;
|
|
UNUSED(expr_cg_ctx);
|
|
UNUSED(raw_expr);
|
|
if (OB_UNLIKELY(rt_expr.type_ != T_OP_NOT)
|
|
|| OB_UNLIKELY(rt_expr.arg_cnt_ != 1)) {
|
|
ret = OB_INVALID_ARGUMENT;
|
|
LOG_WARN("invalid argument", K(ret));
|
|
} else {
|
|
rt_expr.eval_func_ = &eval_not;
|
|
rt_expr.eval_batch_func_ = &eval_not_batch;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int ObExprNot::eval_not(const ObExpr &expr,
|
|
ObEvalCtx &ctx,
|
|
ObDatum &expr_datum)
|
|
{
|
|
int ret = OB_SUCCESS;
|
|
if (OB_ISNULL(expr.args_)
|
|
|| OB_UNLIKELY(expr.arg_cnt_ != 1)
|
|
|| OB_ISNULL(expr.args_[0])) {
|
|
ret = OB_INVALID_ARGUMENT;
|
|
LOG_WARN("invalid argument", K(ret));
|
|
} else {
|
|
// not 表示的参数被加了一个bool表达式，所以逻辑走到这里
|
|
// 参数的值一定是一个int（0或者1）
|
|
ObDatum *param = NULL;
|
|
if (OB_FAIL(expr.args_[0]->eval(ctx, param))) {
|
|
LOG_WARN("failed to eval", K(ret));
|
|
} else if (param->is_null()) {
|
|
expr_datum.set_null();
|
|
} else {
|
|
expr_datum.set_int(param->get_int() == 0);
|
|
LOG_DEBUG("expr not calc result", K(expr_datum.is_null()), K(expr_datum.get_int()));
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int ObExprNot::eval_not_batch(const ObExpr &expr,
|
|
ObEvalCtx &ctx,
|
|
const ObBitVector &skip,
|
|
const int64_t batch_size)
|
|
{
|
|
int ret = OB_SUCCESS;
|
|
if (OB_ISNULL(expr.args_)
|
|
|| OB_UNLIKELY(expr.arg_cnt_ != 1)
|
|
|| OB_ISNULL(expr.args_[0])) {
|
|
ret = OB_INVALID_ARGUMENT;
|
|
LOG_WARN("invalid argument", K(ret));
|
|
} else {
|
|
ObBitVector &eval_flags = expr.get_evaluated_flags(ctx);
|
|
if (OB_FAIL(expr.args_[0]->eval_batch(ctx, skip, batch_size))) {
|
|
LOG_WARN("failed to eval", K(ret));
|
|
} else {
|
|
ObDatum *results = expr.locate_batch_datums(ctx);
|
|
for (int64_t i = 0; i < batch_size; ++i) {
|
|
if (skip.at(i) || eval_flags.at(i)) {
|
|
continue;
|
|
}
|
|
ObDatum &datum = expr.args_[0]->locate_expr_datum(ctx, i);
|
|
eval_flags.set(i);
|
|
if (datum.is_null()) {
|
|
results[i].set_null();
|
|
} else {
|
|
results[i].set_int(0 == datum.get_int());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|