[opt](function) optimize from_unixtime/date_format by specially format str#40821
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HappenLee merged 5 commits intoapache:masterfrom Sep 18, 2024
Merged
[opt](function) optimize from_unixtime/date_format by specially format str#40821HappenLee merged 5 commits intoapache:masterfrom
HappenLee merged 5 commits intoapache:masterfrom
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Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
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run buildall |
TPC-H: Total hot run time: 42981 ms |
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TeamCity be ut coverage result: |
TPC-DS: Total hot run time: 195149 ms |
ClickBench: Total hot run time: 31.46 s |
Mryange
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run buildall |
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TeamCity be ut coverage result: |
TPC-H: Total hot run time: 42617 ms |
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run performance |
TPC-H: Total hot run time: 42938 ms |
TPC-DS: Total hot run time: 194889 ms |
ClickBench: Total hot run time: 30.97 s |
HappenLee
reviewed
Sep 14, 2024
| #include <variant> | ||
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| #include "vec/common/string_ref.h" | ||
| namespace doris::vectorized { |
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doris::vectorized::time_format_type
HappenLee
reviewed
Sep 14, 2024
| namespace time_format_type { | ||
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| template <typename T> | ||
| void inline put_year(T y, char* buf, int& i) { |
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no need inline, the template func must be inline
HappenLee
reviewed
Sep 14, 2024
| res_data.reserve(len * format.size + len); | ||
| null_map.resize_fill(len, false); | ||
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| if (!format_state->is_valid) { |
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is_valid should set null, is danger behavioer
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run buildall |
TPC-H: Total hot run time: 43291 ms |
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TeamCity be ut coverage result: |
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PR approved by at least one committer and no changes requested. |
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PR approved by anyone and no changes requested. |
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run performance |
TPC-H: Total hot run time: 41228 ms |
TPC-DS: Total hot run time: 198385 ms |
ClickBench: Total hot run time: 33.73 s |
zhangstar333
approved these changes
Sep 18, 2024
dataroaring
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Oct 9, 2024
…t str (#40821) ``` mysql [test]>select count(date_format(a, 'yyyyMMdd')) from date_format_tmp; +-----------------------------------+ | count(date_format(a, 'yyyyMMdd')) | +-----------------------------------+ | 16000000 | +-----------------------------------+ 1 row in set (0.53 sec) mysql [test]>select count(date_format(a, 'yyyyMMdd')) from date_format_tmp; +-----------------------------------+ | count(date_format(a, 'yyyyMMdd')) | +-----------------------------------+ | 16000000 | +-----------------------------------+ 1 row in set (0.28 sec) ```
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