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src/sql/engine/expr/ob_expr_cur_time.cpp
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510
src/sql/engine/expr/ob_expr_cur_time.cpp
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@ -0,0 +1,510 @@
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/**
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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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#define USING_LOG_PREFIX SQL_ENG
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#include "sql/engine/expr/ob_expr_cur_time.h"
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#include "lib/ob_name_def.h"
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#include "lib/timezone/ob_time_convert.h"
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#include "sql/engine/ob_physical_plan_ctx.h"
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#include "sql/session/ob_sql_session_info.h"
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#include "share/system_variable/ob_system_variable.h"
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#include "sql/engine/ob_physical_plan_ctx.h"
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#include "sql/engine/ob_exec_context.h"
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namespace oceanbase {
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using namespace common;
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using namespace share;
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namespace sql {
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ObExprUtcTimestamp::ObExprUtcTimestamp(ObIAllocator& alloc)
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: ObFuncExprOperator(alloc, T_FUN_SYS_UTC_TIMESTAMP, N_UTC_TIMESTAMP, 0, NOT_ROW_DIMENSION)
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{}
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ObExprUtcTimestamp::~ObExprUtcTimestamp()
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{}
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int ObExprUtcTimestamp::calc_result_type0(ObExprResType& type, ObExprTypeCtx& type_ctx) const
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{
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UNUSED(type_ctx);
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type.set_datetime();
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type.set_result_flag(OB_MYSQL_NOT_NULL_FLAG);
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if (type.get_scale() < MIN_SCALE_FOR_TEMPORAL) {
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type.set_scale(MIN_SCALE_FOR_TEMPORAL);
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}
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return OB_SUCCESS;
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}
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int ObExprUtcTimestamp::calc_result0(ObObj& result, ObExprCtx& expr_ctx) const
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{
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int ret = OB_SUCCESS;
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if (OB_ISNULL(expr_ctx.phy_plan_ctx_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("expr_ctx.phy_plan_ctx_ is null", K(ret));
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} else if (OB_UNLIKELY(!expr_ctx.phy_plan_ctx_->has_cur_time())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("physical plan context don't have current time value");
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} else {
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int64_t ts_value = expr_ctx.phy_plan_ctx_->get_cur_time().get_timestamp();
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ObTimeConverter::trunc_datetime(result_type_.get_scale(), ts_value);
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result.set_datetime(ts_value);
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}
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return ret;
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}
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int ObExprUtcTimestamp::eval_utc_timestamp(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum)
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{
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int ret = OB_SUCCESS;
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if (OB_ISNULL(ctx.exec_ctx_.get_physical_plan_ctx())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("expr_ctx.phy_plan_ctx_ is null", K(ret));
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} else if (OB_UNLIKELY(!ctx.exec_ctx_.get_physical_plan_ctx()->has_cur_time())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("physical plan context don't have current time value");
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} else {
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int64_t ts_value = ctx.exec_ctx_.get_physical_plan_ctx()->get_cur_time().get_timestamp();
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ObTimeConverter::trunc_datetime(expr.datum_meta_.scale_, ts_value);
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expr_datum.set_datetime(ts_value);
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}
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return ret;
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}
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int ObExprUtcTimestamp::cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
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{
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UNUSED(raw_expr);
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UNUSED(op_cg_ctx);
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rt_expr.eval_func_ = ObExprUtcTimestamp::eval_utc_timestamp;
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return OB_SUCCESS;
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}
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ObExprCurTimestamp::ObExprCurTimestamp(ObIAllocator& alloc)
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: ObFuncExprOperator(alloc, T_FUN_SYS_CUR_TIMESTAMP, N_CUR_TIMESTAMP, 0, NOT_ROW_DIMENSION)
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{}
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ObExprCurTimestamp::~ObExprCurTimestamp()
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{}
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int ObExprCurTimestamp::calc_result_type0(ObExprResType& type, ObExprTypeCtx& type_ctx) const
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{
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UNUSED(type_ctx);
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if (lib::is_oracle_mode()) {
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type.set_timestamp_tz();
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} else {
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type.set_datetime();
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}
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if (type.get_scale() < MIN_SCALE_FOR_TEMPORAL) {
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type.set_scale(MIN_SCALE_FOR_TEMPORAL);
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}
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return OB_SUCCESS;
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}
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int ObExprCurTimestamp::calc_result0(ObObj& result, ObExprCtx& expr_ctx) const
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{
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int ret = OB_SUCCESS;
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if (OB_ISNULL(expr_ctx.phy_plan_ctx_) || OB_ISNULL(expr_ctx.my_session_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("expr_ctx.phy_plan_ctx_ or expr_ctx.my_session_ is null", K(ret));
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} else if (OB_UNLIKELY(!expr_ctx.phy_plan_ctx_->has_cur_time())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("physical plan context don't have current time value");
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} else {
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int64_t ts_value = 0;
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int64_t dt_value = 0;
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if (share::is_oracle_mode()) {
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ts_value = expr_ctx.phy_plan_ctx_->get_cur_time_tardy_value();
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// oracle: return a timestamp with timezone value
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ObOTimestampData ts_tz_value;
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if (OB_FAIL(
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ObTimeConverter::timestamp_to_datetime(ts_value, get_timezone_info(expr_ctx.my_session_), dt_value))) {
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LOG_WARN("failed to convert timestamp to datetime", K(ret));
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} else if (FALSE_IT(ObTimeConverter::trunc_datetime(result_type_.get_scale(), dt_value))) {
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} else if (OB_FAIL(ObTimeConverter::odate_to_otimestamp(
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dt_value, get_timezone_info(expr_ctx.my_session_), ObTimestampTZType, ts_tz_value))) {
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LOG_WARN("failed to convert timestamp to datetime", K(ret));
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} else {
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result.set_timestamp_tz(ts_tz_value);
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}
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} else {
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ts_value = expr_ctx.phy_plan_ctx_->get_cur_time().get_timestamp();
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if (OB_FAIL(
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ObTimeConverter::timestamp_to_datetime(ts_value, get_timezone_info(expr_ctx.my_session_), dt_value))) {
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LOG_WARN("failed to convert timestamp to datetime", K(ret));
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} else {
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ObTimeConverter::trunc_datetime(result_type_.get_scale(), dt_value);
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// mysql: return a datetime value
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result.set_datetime(dt_value);
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}
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}
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}
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return ret;
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}
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int ObExprCurTimestamp::eval_cur_timestamp(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum)
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{
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int ret = OB_SUCCESS;
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if (OB_ISNULL(ctx.exec_ctx_.get_physical_plan_ctx()) || OB_ISNULL(ctx.exec_ctx_.get_my_session())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("phy_plan_ctx_ my_session_ or is null", "phy_plan_ctx", ctx.exec_ctx_.get_physical_plan_ctx(), K(ret));
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} else if (OB_UNLIKELY(!ctx.exec_ctx_.get_physical_plan_ctx()->has_cur_time())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("physical plan context don't have current time value");
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} else {
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int64_t ts_value = 0;
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int64_t dt_value = 0;
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if (share::is_oracle_mode()) {
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ts_value = ctx.exec_ctx_.get_physical_plan_ctx()->get_cur_time_tardy_value();
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// oracle: return a timestamp with timezone value
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ObOTimestampData ts_tz_value;
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if (OB_FAIL(ObTimeConverter::timestamp_to_datetime(
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ts_value, get_timezone_info(ctx.exec_ctx_.get_my_session()), dt_value))) {
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LOG_WARN("failed to convert timestamp to datetime", K(ret));
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} else if (FALSE_IT(ObTimeConverter::trunc_datetime(expr.datum_meta_.scale_, dt_value))) {
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} else if (OB_FAIL(ObTimeConverter::odate_to_otimestamp(
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dt_value, get_timezone_info(ctx.exec_ctx_.get_my_session()), ObTimestampTZType, ts_tz_value))) {
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LOG_WARN("failed to convert timestamp to datetime", K(ret));
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} else {
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expr_datum.set_otimestamp_tz(ts_tz_value);
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}
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} else {
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ts_value = ctx.exec_ctx_.get_physical_plan_ctx()->get_cur_time().get_timestamp();
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if (OB_FAIL(ObTimeConverter::timestamp_to_datetime(
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ts_value, get_timezone_info(ctx.exec_ctx_.get_my_session()), dt_value))) {
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LOG_WARN("failed to convert timestamp to datetime", K(ret));
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} else {
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ObTimeConverter::trunc_datetime(expr.datum_meta_.scale_, dt_value);
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// mysql: return a datetime value
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expr_datum.set_datetime(dt_value);
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}
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}
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}
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return ret;
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}
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int ObExprCurTimestamp::cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
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{
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UNUSED(raw_expr);
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UNUSED(op_cg_ctx);
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rt_expr.eval_func_ = ObExprCurTimestamp::eval_cur_timestamp;
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return OB_SUCCESS;
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}
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ObExprSysdate::ObExprSysdate(ObIAllocator& alloc)
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: ObFuncExprOperator(alloc, T_FUN_SYS_SYSDATE, N_SYSDATE, 0, NOT_ROW_DIMENSION)
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{}
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ObExprSysdate::~ObExprSysdate()
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{}
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int ObExprSysdate::calc_result_type0(ObExprResType& type, ObExprTypeCtx& type_ctx) const
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{
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UNUSED(type_ctx);
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type.set_datetime();
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if (type.get_scale() < MIN_SCALE_FOR_TEMPORAL) {
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type.set_scale(MIN_SCALE_FOR_TEMPORAL);
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}
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return OB_SUCCESS;
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}
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int ObExprSysdate::calc_result0(ObObj& result, ObExprCtx& expr_ctx) const
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{
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int ret = OB_SUCCESS;
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int64_t utc_timestamp = 0;
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ObTimeZoneInfoWrap tz_info_wrap;
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const ObTimeZoneInfo* cur_tz_info = get_timezone_info(expr_ctx.my_session_);
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if (OB_ISNULL(expr_ctx.phy_plan_ctx_) || OB_ISNULL(expr_ctx.my_session_) || OB_ISNULL(cur_tz_info)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("expr_ctx.phy_plan_ctx_ or expr_ctx.my_session_ is null", K(expr_ctx.my_session_), K(cur_tz_info), K(ret));
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} else {
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if (share::is_oracle_mode()) {
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if (OB_UNLIKELY(!expr_ctx.phy_plan_ctx_->has_cur_time())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("physical plan context don't have time value", K(ret));
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} else {
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utc_timestamp = expr_ctx.phy_plan_ctx_->get_cur_time().get_datetime();
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ObString sys_time_zone;
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const ObString OLD_SERVER_SYSTIMEZONE("CST");
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if (OB_FAIL(expr_ctx.my_session_->get_sys_variable(share::SYS_VAR_SYSTEM_TIME_ZONE, sys_time_zone))) {
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LOG_WARN("Get sys variable error", K(ret));
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} else if (0 == sys_time_zone.case_compare(OLD_SERVER_SYSTIMEZONE)) {
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LOG_DEBUG("sys_time_zone is CST, maybe from old server, use local value instead",
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K(sys_time_zone),
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"local value",
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ObSpecialSysVarValues::system_time_zone_str_);
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sys_time_zone = ObSpecialSysVarValues::system_time_zone_str_;
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}
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if (OB_SUCC(ret)) {
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if (OB_FAIL(tz_info_wrap.init_time_zone(
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sys_time_zone, OB_INVALID_VERSION, *(const_cast<ObTZInfoMap*>(cur_tz_info->get_tz_info_map()))))) {
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LOG_WARN("tz_info_wrap init_time_zone fail", KR(ret), K(sys_time_zone));
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} else {
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cur_tz_info = tz_info_wrap.get_time_zone_info();
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LOG_DEBUG("succ to get tz_info", K(sys_time_zone), K(cur_tz_info));
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}
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}
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}
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} else {
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utc_timestamp = ObTimeUtility::current_time();
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}
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}
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if (OB_SUCC(ret)) {
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int64_t dt_value = 0;
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if (OB_FAIL(ObTimeConverter::timestamp_to_datetime(utc_timestamp, cur_tz_info, dt_value))) {
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LOG_WARN("failed to convert timestamp to datetime", K(ret));
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} else {
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ObTimeConverter::trunc_datetime(result_type_.get_scale(), dt_value);
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result.set_datetime(dt_value);
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}
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}
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return ret;
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}
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int ObExprSysdate::eval_sysdate(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum)
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{
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int ret = OB_SUCCESS;
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UNUSED(expr);
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const ObTimeZoneInfo* cur_tz_info = get_timezone_info(ctx.exec_ctx_.get_my_session());
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if (OB_ISNULL(ctx.exec_ctx_.get_physical_plan_ctx()) || OB_ISNULL(ctx.exec_ctx_.get_my_session()) ||
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OB_ISNULL(cur_tz_info)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("phy_plan_ctx_ or my_session_ or cur_tz_info is null",
|
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"phy_plan_ctx",
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ctx.exec_ctx_.get_physical_plan_ctx(),
|
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K(cur_tz_info),
|
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K(ret));
|
||||
} else {
|
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int64_t utc_timestamp = 0;
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ObTimeZoneInfoWrap tz_info_wrap;
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if (share::is_oracle_mode()) {
|
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if (OB_UNLIKELY(!ctx.exec_ctx_.get_physical_plan_ctx()->has_cur_time())) {
|
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ret = OB_ERR_UNEXPECTED;
|
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LOG_WARN("physical plan context don't have time value", K(ret));
|
||||
} else {
|
||||
utc_timestamp = ctx.exec_ctx_.get_physical_plan_ctx()->get_cur_time().get_datetime();
|
||||
ObString sys_time_zone;
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const ObString OLD_SERVER_SYSTIMEZONE("CST");
|
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if (OB_FAIL(ctx.exec_ctx_.get_my_session()->get_sys_variable(share::SYS_VAR_SYSTEM_TIME_ZONE, sys_time_zone))) {
|
||||
LOG_WARN("Get sys variable error", K(ret));
|
||||
} else if (0 == sys_time_zone.case_compare(OLD_SERVER_SYSTIMEZONE)) {
|
||||
LOG_DEBUG("sys_time_zone is CST, maybe from old server, use local value instead",
|
||||
K(sys_time_zone),
|
||||
"local value",
|
||||
ObSpecialSysVarValues::system_time_zone_str_);
|
||||
sys_time_zone = ObSpecialSysVarValues::system_time_zone_str_;
|
||||
}
|
||||
|
||||
if (OB_SUCC(ret)) {
|
||||
if (OB_FAIL(tz_info_wrap.init_time_zone(
|
||||
sys_time_zone, OB_INVALID_VERSION, *(const_cast<ObTZInfoMap*>(cur_tz_info->get_tz_info_map()))))) {
|
||||
LOG_WARN("tz_info_wrap init_time_zone fail", KR(ret), K(sys_time_zone));
|
||||
} else {
|
||||
cur_tz_info = tz_info_wrap.get_time_zone_info();
|
||||
LOG_DEBUG("succ to get tz_info", K(sys_time_zone), K(cur_tz_info));
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
utc_timestamp = ObTimeUtility::current_time();
|
||||
}
|
||||
|
||||
if (OB_SUCC(ret)) {
|
||||
int64_t dt_value = 0;
|
||||
if (OB_FAIL(ObTimeConverter::timestamp_to_datetime(utc_timestamp, cur_tz_info, dt_value))) {
|
||||
LOG_WARN("failed to convert timestamp to datetime", K(ret));
|
||||
} else {
|
||||
ObTimeConverter::trunc_datetime(expr.datum_meta_.scale_, dt_value);
|
||||
expr_datum.set_datetime(dt_value);
|
||||
}
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObExprSysdate::cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
|
||||
{
|
||||
UNUSED(raw_expr);
|
||||
UNUSED(op_cg_ctx);
|
||||
rt_expr.eval_func_ = ObExprSysdate::eval_sysdate;
|
||||
return OB_SUCCESS;
|
||||
}
|
||||
|
||||
ObExprCurDate::ObExprCurDate(ObIAllocator& alloc)
|
||||
: ObFuncExprOperator(alloc, T_FUN_SYS_CUR_DATE, N_CUR_DATE, 0, NOT_ROW_DIMENSION)
|
||||
{}
|
||||
ObExprCurDate::~ObExprCurDate()
|
||||
{}
|
||||
|
||||
int ObExprCurDate::calc_result_type0(ObExprResType& type, ObExprTypeCtx& type_ctx) const
|
||||
{
|
||||
UNUSED(type_ctx);
|
||||
if (lib::is_mysql_mode()) {
|
||||
type.set_date();
|
||||
} else {
|
||||
type.set_datetime();
|
||||
}
|
||||
if (type.get_scale() < MIN_SCALE_FOR_TEMPORAL) {
|
||||
type.set_scale(MIN_SCALE_FOR_TEMPORAL);
|
||||
}
|
||||
return OB_SUCCESS;
|
||||
}
|
||||
|
||||
int ObExprCurDate::calc_result0(ObObj& result, ObExprCtx& expr_ctx) const
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
if (OB_ISNULL(expr_ctx.phy_plan_ctx_) || OB_ISNULL(expr_ctx.my_session_)) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("expr_ctx.phy_plan_ctx_ or expr_ctx.my_session_ is null", K(ret));
|
||||
} else if (OB_UNLIKELY(!expr_ctx.phy_plan_ctx_->has_cur_time())) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("physical plan context don't have current time value");
|
||||
} else {
|
||||
int64_t ts_value = 0;
|
||||
if (share::is_oracle_mode()) {
|
||||
ts_value = expr_ctx.phy_plan_ctx_->get_cur_time_tardy_value();
|
||||
// use mysql datetime type as oracle date type
|
||||
int64_t dt_value = 0;
|
||||
if (OB_FAIL(
|
||||
ObTimeConverter::timestamp_to_datetime(ts_value, get_timezone_info(expr_ctx.my_session_), dt_value))) {
|
||||
LOG_WARN("failed to convert timestamp to datetime", K(ret));
|
||||
} else {
|
||||
ObTimeConverter::trunc_datetime(result_type_.get_scale(), dt_value);
|
||||
result.set_datetime(dt_value);
|
||||
}
|
||||
} else {
|
||||
ts_value = expr_ctx.phy_plan_ctx_->get_cur_time().get_timestamp();
|
||||
int32_t d_value = 0;
|
||||
if (OB_FAIL(ObTimeConverter::datetime_to_date(ts_value, get_timezone_info(expr_ctx.my_session_), d_value))) {
|
||||
LOG_WARN("failed to convert datetime to date", K(ret));
|
||||
} else {
|
||||
result.set_date(d_value);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObExprCurDate::eval_cur_date(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
UNUSED(expr);
|
||||
if (OB_ISNULL(ctx.exec_ctx_.get_physical_plan_ctx()) || OB_ISNULL(ctx.exec_ctx_.get_my_session())) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("phy_plan_ctx_ or my_session_ is null", "phy_plan_ctx", ctx.exec_ctx_.get_physical_plan_ctx(), K(ret));
|
||||
} else if (OB_UNLIKELY(!ctx.exec_ctx_.get_physical_plan_ctx()->has_cur_time())) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("physical plan context don't have current time value");
|
||||
} else {
|
||||
int64_t ts_value = 0;
|
||||
if (share::is_oracle_mode()) {
|
||||
ts_value = ctx.exec_ctx_.get_physical_plan_ctx()->get_cur_time_tardy_value();
|
||||
// use mysql datetime type as oracle date type
|
||||
int64_t dt_value = 0;
|
||||
if (OB_FAIL(ObTimeConverter::timestamp_to_datetime(
|
||||
ts_value, get_timezone_info(ctx.exec_ctx_.get_my_session()), dt_value))) {
|
||||
LOG_WARN("failed to convert timestamp to datetime", K(ret));
|
||||
} else {
|
||||
ObTimeConverter::trunc_datetime(expr.datum_meta_.scale_, dt_value);
|
||||
expr_datum.set_datetime(dt_value);
|
||||
}
|
||||
} else {
|
||||
ts_value = ctx.exec_ctx_.get_physical_plan_ctx()->get_cur_time().get_timestamp();
|
||||
int32_t d_value = 0;
|
||||
if (OB_FAIL(ObTimeConverter::datetime_to_date(
|
||||
ts_value, get_timezone_info(ctx.exec_ctx_.get_my_session()), d_value))) {
|
||||
LOG_WARN("failed to convert datetime to date", K(ret));
|
||||
} else {
|
||||
expr_datum.set_date(d_value);
|
||||
}
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObExprCurDate::cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
|
||||
{
|
||||
UNUSED(raw_expr);
|
||||
UNUSED(op_cg_ctx);
|
||||
rt_expr.eval_func_ = ObExprCurDate::eval_cur_date;
|
||||
return OB_SUCCESS;
|
||||
}
|
||||
|
||||
ObExprCurTime::ObExprCurTime(ObIAllocator& alloc)
|
||||
: ObFuncExprOperator(alloc, T_FUN_SYS_CUR_TIME, N_CUR_TIME, 0, NOT_ROW_DIMENSION)
|
||||
{}
|
||||
|
||||
ObExprCurTime::~ObExprCurTime()
|
||||
{}
|
||||
|
||||
int ObExprCurTime::calc_result_type0(ObExprResType& type, ObExprTypeCtx& type_ctx) const
|
||||
{
|
||||
UNUSED(type_ctx);
|
||||
type.set_time();
|
||||
if (type.get_scale() < MIN_SCALE_FOR_TEMPORAL) {
|
||||
type.set_scale(MIN_SCALE_FOR_TEMPORAL);
|
||||
}
|
||||
return OB_SUCCESS;
|
||||
}
|
||||
|
||||
int ObExprCurTime::calc_result0(ObObj& result, ObExprCtx& expr_ctx) const
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
if (OB_ISNULL(expr_ctx.phy_plan_ctx_) || OB_ISNULL(expr_ctx.my_session_)) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("expr_ctx.phy_plan_ctx_ or expr_ctx.my_session_ is null", K(ret));
|
||||
} else if (OB_UNLIKELY(!expr_ctx.phy_plan_ctx_->has_cur_time())) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("physical plan context don't have current time value");
|
||||
} else {
|
||||
int64_t ts_value = expr_ctx.phy_plan_ctx_->get_cur_time().get_timestamp();
|
||||
int64_t t_value = 0;
|
||||
if (OB_FAIL(ObTimeConverter::datetime_to_time(ts_value, get_timezone_info(expr_ctx.my_session_), t_value))) {
|
||||
LOG_WARN("failed to convert datetime to time", K(ret));
|
||||
} else {
|
||||
ObTimeConverter::trunc_datetime(result_type_.get_scale(), t_value);
|
||||
result.set_time(t_value);
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObExprCurTime::eval_cur_time(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
UNUSED(expr);
|
||||
if (OB_ISNULL(ctx.exec_ctx_.get_physical_plan_ctx()) || OB_ISNULL(ctx.exec_ctx_.get_my_session())) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("phy_plan_ctx_ or my_session_ is null", "phy_plan_ctx", ctx.exec_ctx_.get_physical_plan_ctx(), K(ret));
|
||||
} else if (OB_UNLIKELY(!ctx.exec_ctx_.get_physical_plan_ctx()->has_cur_time())) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("physical plan context don't have current time value");
|
||||
} else {
|
||||
int64_t ts_value = ctx.exec_ctx_.get_physical_plan_ctx()->get_cur_time().get_timestamp();
|
||||
int64_t t_value = 0;
|
||||
if (OB_FAIL(
|
||||
ObTimeConverter::datetime_to_time(ts_value, get_timezone_info(ctx.exec_ctx_.get_my_session()), t_value))) {
|
||||
LOG_WARN("failed to convert datetime to time", K(ret));
|
||||
} else {
|
||||
ObTimeConverter::trunc_datetime(expr.datum_meta_.scale_, t_value);
|
||||
expr_datum.set_time(t_value);
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObExprCurTime::cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
|
||||
{
|
||||
UNUSED(raw_expr);
|
||||
UNUSED(op_cg_ctx);
|
||||
rt_expr.eval_func_ = ObExprCurTime::eval_cur_time;
|
||||
return OB_SUCCESS;
|
||||
}
|
||||
|
||||
} // namespace sql
|
||||
} // namespace oceanbase
|
||||
Reference in New Issue
Block a user