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DateConverters.h
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1 /*
2  * Copyright 2019 OmniSci, Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <cstdint>
20 #include "../QueryEngine/ExtractFromTime.h"
21 
22 namespace DateConverters {
23 
24 inline int64_t get_epoch_days_from_seconds(const int64_t seconds) {
25  return (seconds < 0 && seconds % kSecsPerDay != 0) ? (seconds / kSecsPerDay) - 1
26  : seconds / kSecsPerDay;
27 }
28 
29 inline int64_t get_epoch_seconds_from_days(const int64_t days) {
30  return days * kSecsPerDay;
31 }
32 
33 } // namespace DateConverters
static constexpr int64_t kSecsPerDay
int64_t get_epoch_seconds_from_days(const int64_t days)
int64_t get_epoch_days_from_seconds(const int64_t seconds)