Files
doris/be/src/util/date_func.h
morningman 2419384e8a push 3.3.19 to github (#193)
* push 3.3.19 to github

* merge to 20ed420122a8283200aa37b0a6179b6a571d2837
2018-05-15 20:38:22 +08:00

67 lines
1.8 KiB
C++

// Copyright (c) 2017, Baidu.com, Inc. All Rights Reserved
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#ifndef BDG_PALO_BE_SRC_UTIL_DATE_FUNC_H
#define BDG_PALO_BE_SRC_UTIL_DATE_FUNC_H
#include <stdint.h>
#include <time.h>
#include <string>
#include "olap/field.h"
namespace palo {
static uint64_t timestamp_from_datetime(const std::string& datetime_str) {
tm time_tm;
char* res = strptime(datetime_str.c_str(), "%Y-%m-%d %H:%M:%S", &time_tm);
uint64_t value = 0;
if (NULL != res) {
value = ((time_tm.tm_year + 1900) * 10000L
+ (time_tm.tm_mon + 1) * 100L
+ time_tm.tm_mday) * 1000000L
+ time_tm.tm_hour * 10000L
+ time_tm.tm_min * 100L
+ time_tm.tm_sec;
} else {
// 1400 - 01 - 01
value = 14000101000000;
}
return value;
}
static uint24_t timestamp_from_date(const std::string& date_str) {
tm time_tm;
char* res = strptime(date_str.c_str(), "%Y-%m-%d", &time_tm);
int value = 0;
if (NULL != res) {
value = (time_tm.tm_year + 1900) * 16 * 32
+ (time_tm.tm_mon + 1) * 32
+ time_tm.tm_mday;
} else {
// 1400 - 01 - 01
value = 716833;
}
return uint24_t(value);
}
} // namespace palo
#endif // BDG_PALO_BE_SRC_UTIL_DATE_FUNC_H