101 lines
3.4 KiB
C++
101 lines
3.4 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_EXE
|
|
#include "sql/engine/expr/ob_expr_quarter.h"
|
|
#include "sql/session/ob_sql_session_info.h"
|
|
#include "sql/engine/ob_exec_context.h"
|
|
#include "sql/engine/expr/ob_datum_cast.h"
|
|
namespace oceanbase
|
|
{
|
|
namespace sql
|
|
{
|
|
ObExprQuarter::ObExprQuarter(ObIAllocator& alloc)
|
|
: ObFuncExprOperator(alloc,
|
|
T_FUN_SYS_QUARTER,
|
|
N_QUARTER,
|
|
1, NOT_ROW_DIMENSION)
|
|
{
|
|
}
|
|
ObExprQuarter::~ObExprQuarter(){}
|
|
int ObExprQuarter::calc_result_type1(ObExprResType& type,
|
|
ObExprResType& date, common::ObExprTypeCtx& type_ctx) const
|
|
{
|
|
UNUSED(type_ctx);
|
|
UNUSED(date);
|
|
type.set_int();
|
|
type.set_scale(common::DEFAULT_SCALE_FOR_INTEGER);
|
|
type.set_precision(common::ObAccuracy
|
|
::DDL_DEFAULT_ACCURACY[common::ObIntType].precision_);
|
|
if (ob_is_enumset_tc(date.get_type())) {
|
|
date.set_calc_type(common::ObVarcharType);
|
|
}
|
|
return common::OB_SUCCESS;
|
|
}
|
|
|
|
int ObExprQuarter::cg_expr(ObExprCGCtx &op_cg_ctx,
|
|
const ObRawExpr &raw_expr,
|
|
ObExpr &rt_expr) const
|
|
{
|
|
UNUSED(op_cg_ctx);
|
|
UNUSED(raw_expr);
|
|
int ret = OB_SUCCESS;
|
|
if (rt_expr.arg_cnt_ != 1) {
|
|
ret = OB_INVALID_ARGUMENT;
|
|
LOG_WARN("quarter expr should have one param", K(ret), K(rt_expr.arg_cnt_));
|
|
} else if (OB_ISNULL(rt_expr.args_) || OB_ISNULL(rt_expr.args_[0])) {
|
|
ret = OB_ERR_UNEXPECTED;
|
|
LOG_WARN("children of quater expr is null", K(ret), K(rt_expr.args_));
|
|
} else {
|
|
rt_expr.eval_func_ = &calc_quater;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int ObExprQuarter::calc_quater(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
|
|
{
|
|
int ret = OB_SUCCESS;
|
|
ObDatum *param_datum = NULL;
|
|
ObTime ot;
|
|
ObDateSqlMode date_sql_mode;
|
|
const ObSQLSessionInfo *session = NULL;
|
|
if (OB_ISNULL(session = ctx.exec_ctx_.get_my_session())) {
|
|
ret = OB_ERR_UNEXPECTED;
|
|
LOG_WARN("session is null", K(ret));
|
|
} else if (OB_FAIL(expr.args_[0]->eval(ctx, param_datum))) {
|
|
LOG_WARN("eval param value failed");
|
|
} else if (OB_UNLIKELY(param_datum->is_null())) {
|
|
expr_datum.set_null();
|
|
} else if (FALSE_IT(date_sql_mode.init(session->get_sql_mode()))) {
|
|
} else if (OB_FAIL(ob_datum_to_ob_time_with_date(
|
|
*param_datum, expr.args_[0]->datum_meta_.type_, get_timezone_info(session),
|
|
ot, get_cur_time(ctx.exec_ctx_.get_physical_plan_ctx()),
|
|
false, date_sql_mode))) {
|
|
LOG_WARN("cast to ob time failed", K(ret));
|
|
uint64_t cast_mode = 0;
|
|
ObSQLUtils::get_default_cast_mode(session->get_stmt_type(), session, cast_mode);
|
|
if (CM_IS_WARN_ON_FAIL(cast_mode)) {
|
|
ret = OB_SUCCESS;
|
|
}
|
|
expr_datum.set_null();
|
|
} else if (ot.parts_[DT_YEAR] <= 0) {
|
|
expr_datum.set_null();
|
|
} else {
|
|
int64_t quarter = ObTimeConverter::ob_time_to_int_extract(ot, ObDateUnitType::DATE_UNIT_QUARTER);
|
|
expr_datum.set_int(quarter);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
} // end namespace sql
|
|
} // end namespace oceanbase
|