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| 1 | +/* |
| 2 | + * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | + * or more contributor license agreements. See the NOTICE file |
| 4 | + * distributed with this work for additional information |
| 5 | + * regarding copyright ownership. The ASF licenses this file |
| 6 | + * to you under the Apache License, Version 2.0 (the |
| 7 | + * "License"); you may not use this file except in compliance |
| 8 | + * with the License. You may obtain a copy of the License at |
| 9 | + * |
| 10 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | + * |
| 12 | + * Unless required by applicable law or agreed to in writing, |
| 13 | + * software distributed under the License is distributed on an |
| 14 | + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | + * KIND, either express or implied. See the License for the |
| 16 | + * specific language governing permissions and limitations |
| 17 | + * under the License. |
| 18 | + */ |
| 19 | + |
| 20 | +#pragma once |
| 21 | + |
| 22 | +#include <chrono> |
| 23 | +#include <cstdint> |
| 24 | + |
| 25 | +namespace iceberg { |
| 26 | + |
| 27 | +using namespace std::chrono; // NOLINT |
| 28 | + |
| 29 | +struct DateParts { |
| 30 | + int32_t year{0}; |
| 31 | + uint8_t month{0}; |
| 32 | + uint8_t day{0}; |
| 33 | +}; |
| 34 | + |
| 35 | +struct TimeParts { |
| 36 | + int32_t hour{0}; |
| 37 | + int32_t minute{0}; |
| 38 | + int32_t second{0}; |
| 39 | + int32_t microsecond{0}; |
| 40 | +}; |
| 41 | + |
| 42 | +struct TimestampParts { |
| 43 | + int32_t year{0}; |
| 44 | + uint8_t month{0}; |
| 45 | + uint8_t day{0}; |
| 46 | + int32_t hour{0}; |
| 47 | + int32_t minute{0}; |
| 48 | + int32_t second{0}; |
| 49 | + int32_t microsecond{0}; |
| 50 | + // e.g. -480 for PST (UTC-8:00), +480 for Asia/Shanghai (UTC+8:00) |
| 51 | + int32_t tz_offset_minutes{0}; |
| 52 | +}; |
| 53 | + |
| 54 | +struct TimestampNanosParts { |
| 55 | + int32_t year{0}; |
| 56 | + uint8_t month{0}; |
| 57 | + uint8_t day{0}; |
| 58 | + int32_t hour{0}; |
| 59 | + int32_t minute{0}; |
| 60 | + int32_t second{0}; |
| 61 | + int32_t nanosecond{0}; |
| 62 | + // e.g. -480 for PST (UTC-8:00), +480 for Asia/Shanghai (UTC+8:00) |
| 63 | + int32_t tz_offset_minutes{0}; |
| 64 | +}; |
| 65 | + |
| 66 | +class TemporalTestHelper { |
| 67 | + static constexpr auto kEpochDays = sys_days(year{1970} / January / 1); |
| 68 | + |
| 69 | + public: |
| 70 | + /// \brief Construct a Calendar date without timezone or time |
| 71 | + static int32_t CreateDate(const DateParts& parts) { |
| 72 | + return static_cast<int32_t>( |
| 73 | + (sys_days(year{parts.year} / month{parts.month} / day{parts.day}) - kEpochDays) |
| 74 | + .count()); |
| 75 | + } |
| 76 | + |
| 77 | + /// \brief Construct a time-of-day, microsecond precision, without date, timezone |
| 78 | + static int64_t CreateTime(const TimeParts& parts) { |
| 79 | + return duration_cast<microseconds>(hours(parts.hour) + minutes(parts.minute) + |
| 80 | + seconds(parts.second) + |
| 81 | + microseconds(parts.microsecond)) |
| 82 | + .count(); |
| 83 | + } |
| 84 | + |
| 85 | + /// \brief Construct a timestamp, microsecond precision, without timezone |
| 86 | + static int64_t CreateTimestamp(const TimestampParts& parts) { |
| 87 | + year_month_day ymd{year{parts.year}, month{parts.month}, day{parts.day}}; |
| 88 | + auto tp = sys_time<microseconds>{(sys_days(ymd) + hours{parts.hour} + |
| 89 | + minutes{parts.minute} + seconds{parts.second} + |
| 90 | + microseconds{parts.microsecond}) |
| 91 | + .time_since_epoch()}; |
| 92 | + return tp.time_since_epoch().count(); |
| 93 | + } |
| 94 | + |
| 95 | + /// \brief Construct a timestamp, microsecond precision, with timezone |
| 96 | + static int64_t CreateTimestampTz(const TimestampParts& parts) { |
| 97 | + year_month_day ymd{year{parts.year}, month{parts.month}, day{parts.day}}; |
| 98 | + auto tp = sys_time<microseconds>{(sys_days(ymd) + hours{parts.hour} + |
| 99 | + minutes{parts.minute} + seconds{parts.second} + |
| 100 | + microseconds{parts.microsecond} - |
| 101 | + minutes{parts.tz_offset_minutes}) |
| 102 | + .time_since_epoch()}; |
| 103 | + return tp.time_since_epoch().count(); |
| 104 | + } |
| 105 | + |
| 106 | + /// \brief Construct a timestamp, nanosecond precision, without timezone |
| 107 | + static int64_t CreateTimestampNanos(const TimestampNanosParts& parts) { |
| 108 | + year_month_day ymd{year{parts.year}, month{parts.month}, day{parts.day}}; |
| 109 | + auto tp = |
| 110 | + sys_time<nanoseconds>{(sys_days(ymd) + hours{parts.hour} + minutes{parts.minute} + |
| 111 | + seconds{parts.second} + nanoseconds{parts.nanosecond}) |
| 112 | + .time_since_epoch()}; |
| 113 | + return tp.time_since_epoch().count(); |
| 114 | + } |
| 115 | + |
| 116 | + /// \brief Construct a timestamp, nanosecond precision, with timezone |
| 117 | + static int64_t CreateTimestampTzNanos(const TimestampNanosParts& parts) { |
| 118 | + year_month_day ymd{year{parts.year}, month{parts.month}, day{parts.day}}; |
| 119 | + auto tp = |
| 120 | + sys_time<nanoseconds>{(sys_days(ymd) + hours{parts.hour} + minutes{parts.minute} + |
| 121 | + seconds{parts.second} + nanoseconds{parts.nanosecond} - |
| 122 | + minutes{parts.tz_offset_minutes}) |
| 123 | + .time_since_epoch()}; |
| 124 | + return tp.time_since_epoch().count(); |
| 125 | + } |
| 126 | +}; |
| 127 | + |
| 128 | +} // namespace iceberg |
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