[Refactor](timezone) refactor tzdata load to accelerate and unify timezone parsing #37062
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Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
zclllyybb
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run buildall |
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TPC-H: Total hot run time: 40045 ms |
TPC-DS: Total hot run time: 174569 ms |
ClickBench: Total hot run time: 31.16 s |
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run buildall |
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clang-tidy review says "All clean, LGTM! 👍" |
TPC-H: Total hot run time: 40091 ms |
TPC-DS: Total hot run time: 172492 ms |
ClickBench: Total hot run time: 30.6 s |
zclllyybb
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run buildall |
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clang-tidy review says "All clean, LGTM! 👍" |
TPC-H: Total hot run time: 40336 ms |
TPC-DS: Total hot run time: 169719 ms |
ClickBench: Total hot run time: 30.59 s |
morrySnow
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Jul 2, 2024
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PR approved by at least one committer and no changes requested. |
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TPC-DS: Total hot run time: 172596 ms |
ClickBench: Total hot run time: 30.83 s |
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run buildall |
TPC-H: Total hot run time: 40325 ms |
TPC-DS: Total hot run time: 173682 ms |
ClickBench: Total hot run time: 30.59 s |
morrySnow
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Jul 3, 2024
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Gabriel39
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Jul 4, 2024
zclllyybb
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Jul 4, 2024
…ezone parsing (apache#37062) 1. revert apache#25097. we decide to rely on OS. not maintain independent tzdata anymore to keep result consistency 2. refactor timezone load. removed rwlock. before: ```sql mysql [optest]>select count(convert_tz(d, 'Asia/Shanghai', 'America/Los_Angeles')), count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) from dates; +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | count(convert_tz(cast(d as DATETIMEV2(6)), 'Asia/Shanghai', 'America/Los_Angeles')) | count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | 16000000 | 16000000 | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ 1 row in set (6.88 sec) ``` now: ```sql mysql [optest]>select count(convert_tz(d, 'Asia/Shanghai', 'America/Los_Angeles')), count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) from dates; +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | count(convert_tz(cast(d as DATETIMEV2(6)), 'Asia/Shanghai', 'America/Los_Angeles')) | count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | 16000000 | 16000000 | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ 1 row in set (2.61 sec) ``` 3. now don't support timezone offset format string like 'UTC+8', like we already said in https://doris.apache.org/docs/dev/query/query-variables/time-zone/#usage 4. support case-insensitive timezone parsing in nereids. 5. a bug when parse timezone using nereids. should check DST by input, but wrongly by now before. now fixed. doc pr: apache/doris-website#810
zclllyybb
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Jul 4, 2024
…ezone parsing (apache#37062) 1. revert apache#25097. we decide to rely on OS. not maintain independent tzdata anymore to keep result consistency 2. refactor timezone load. removed rwlock. before: ```sql mysql [optest]>select count(convert_tz(d, 'Asia/Shanghai', 'America/Los_Angeles')), count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) from dates; +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | count(convert_tz(cast(d as DATETIMEV2(6)), 'Asia/Shanghai', 'America/Los_Angeles')) | count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | 16000000 | 16000000 | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ 1 row in set (6.88 sec) ``` now: ```sql mysql [optest]>select count(convert_tz(d, 'Asia/Shanghai', 'America/Los_Angeles')), count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) from dates; +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | count(convert_tz(cast(d as DATETIMEV2(6)), 'Asia/Shanghai', 'America/Los_Angeles')) | count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | 16000000 | 16000000 | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ 1 row in set (2.61 sec) ``` 3. now don't support timezone offset format string like 'UTC+8', like we already said in https://doris.apache.org/docs/dev/query/query-variables/time-zone/#usage 4. support case-insensitive timezone parsing in nereids. 5. a bug when parse timezone using nereids. should check DST by input, but wrongly by now before. now fixed. doc pr: apache/doris-website#810
BiteTheDDDDt
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Jul 4, 2024
Remove the tzfiles come with Doris and clarify some timezone parsing restrictions. move them from query-variables to cluster-management code pr: apache/doris#37062 --------- Co-authored-by: Luzhijing <82810928+luzhijing@users.noreply.github.com>
yiguolei
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Jul 15, 2024
…imezone parsing (#37062) (#37269) pick #37062 1. revert #25097. we decide to rely on OS. not maintain independent tzdata anymore to keep result consistency 2. refactor timezone load. removed rwlock. before: ```sql mysql [optest]>select count(convert_tz(d, 'Asia/Shanghai', 'America/Los_Angeles')), count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) from dates; +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | count(convert_tz(cast(d as DATETIMEV2(6)), 'Asia/Shanghai', 'America/Los_Angeles')) | count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | 16000000 | 16000000 | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ 1 row in set (6.88 sec) ``` now: ```sql mysql [optest]>select count(convert_tz(d, 'Asia/Shanghai', 'America/Los_Angeles')), count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) from dates; +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | count(convert_tz(cast(d as DATETIMEV2(6)), 'Asia/Shanghai', 'America/Los_Angeles')) | count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | 16000000 | 16000000 | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ 1 row in set (2.61 sec) ``` 3. now don't support timezone offset format string like 'UTC+8', like we already said in https://doris.apache.org/docs/dev/query/query-variables/time-zone/#usage 4. support case-insensitive timezone parsing in nereids. 5. a bug when parse timezone using nereids. should check DST by input, but wrongly by now before. now fixed. doc pr: apache/doris-website#810
dataroaring
pushed a commit
that referenced
this pull request
Jul 17, 2024
…ezone parsing (#37062) 1. revert #25097. we decide to rely on OS. not maintain independent tzdata anymore to keep result consistency 2. refactor timezone load. removed rwlock. before: ```sql mysql [optest]>select count(convert_tz(d, 'Asia/Shanghai', 'America/Los_Angeles')), count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) from dates; +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | count(convert_tz(cast(d as DATETIMEV2(6)), 'Asia/Shanghai', 'America/Los_Angeles')) | count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | 16000000 | 16000000 | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ 1 row in set (6.88 sec) ``` now: ```sql mysql [optest]>select count(convert_tz(d, 'Asia/Shanghai', 'America/Los_Angeles')), count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) from dates; +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | count(convert_tz(cast(d as DATETIMEV2(6)), 'Asia/Shanghai', 'America/Los_Angeles')) | count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | 16000000 | 16000000 | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ 1 row in set (2.61 sec) ``` 3. now don't support timezone offset format string like 'UTC+8', like we already said in https://doris.apache.org/docs/dev/query/query-variables/time-zone/#usage 4. support case-insensitive timezone parsing in nereids. 5. a bug when parse timezone using nereids. should check DST by input, but wrongly by now before. now fixed. doc pr: apache/doris-website#810
xiaokang
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that referenced
this pull request
Jul 31, 2024
…imezone parsing (#37062) (#37270) pick #37062 1. revert #25097. we decide to rely on OS. not maintain independent tzdata anymore to keep result consistency 2. refactor timezone load. removed rwlock. before: ```sql mysql [optest]>select count(convert_tz(d, 'Asia/Shanghai', 'America/Los_Angeles')), count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) from dates; +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | count(convert_tz(cast(d as DATETIMEV2(6)), 'Asia/Shanghai', 'America/Los_Angeles')) | count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | 16000000 | 16000000 | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ 1 row in set (6.88 sec) ``` now: ```sql mysql [optest]>select count(convert_tz(d, 'Asia/Shanghai', 'America/Los_Angeles')), count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) from dates; +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | count(convert_tz(cast(d as DATETIMEV2(6)), 'Asia/Shanghai', 'America/Los_Angeles')) | count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | 16000000 | 16000000 | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ 1 row in set (2.61 sec) ``` 3. now don't support timezone offset format string like 'UTC+8', like we already said in https://doris.apache.org/docs/dev/query/query-variables/time-zone/#usage 4. support case-insensitive timezone parsing in nereids. 5. a bug when parse timezone using nereids. should check DST by input, but wrongly by now before. now fixed. doc pr: apache/doris-website#810
mongo360
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to mongo360/doris
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Dec 11, 2024
…imezone parsing (apache#37062) (apache#37270) pick apache#37062 1. revert apache#25097. we decide to rely on OS. not maintain independent tzdata anymore to keep result consistency 2. refactor timezone load. removed rwlock. before: ```sql mysql [optest]>select count(convert_tz(d, 'Asia/Shanghai', 'America/Los_Angeles')), count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) from dates; +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | count(convert_tz(cast(d as DATETIMEV2(6)), 'Asia/Shanghai', 'America/Los_Angeles')) | count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | 16000000 | 16000000 | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ 1 row in set (6.88 sec) ``` now: ```sql mysql [optest]>select count(convert_tz(d, 'Asia/Shanghai', 'America/Los_Angeles')), count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) from dates; +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | count(convert_tz(cast(d as DATETIMEV2(6)), 'Asia/Shanghai', 'America/Los_Angeles')) | count(convert_tz(dt, 'America/Los_Angeles', '+00:00')) | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ | 16000000 | 16000000 | +-------------------------------------------------------------------------------------+--------------------------------------------------------+ 1 row in set (2.61 sec) ``` 3. now don't support timezone offset format string like 'UTC+8', like we already said in https://doris.apache.org/docs/dev/query/query-variables/time-zone/#usage 4. support case-insensitive timezone parsing in nereids. 5. a bug when parse timezone using nereids. should check DST by input, but wrongly by now before. now fixed. doc pr: apache/doris-website#810
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doc pr: apache/doris-website#810