Fix issues with WEEK/ISO_WEEK/DATEDIFF#49405
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matriv merged 3 commits intoelastic:masterfrom Nov 29, 2019
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Some extended testing with MS-SQL server and H2 (which agree on results) revealed bugs in the implementation of WEEK related extraction and diff functions. Non-iso WEEK seems to be broken since elastic#48209 because of the replacement of Calendar and the change in the ISO rules. ISO_WEEK failed for some edge cases around the January 1st. DATE_DIFF was previously based on non-iso WEEK extraction which seems not to be the case. Fixes: elastic#49376
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costin
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Nov 29, 2019
| diffWeeks += extraWeek; | ||
| } | ||
| return safeInt(diffWeeks); | ||
| long startInDays = start.toInstant().toEpochMilli() / DAY_IN_MILLIS - |
matriv
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Nov 29, 2019
Some extended testing with MS-SQL server and H2 (which agree on results) revealed bugs in the implementation of WEEK related extraction and diff functions. Non-iso WEEK seems to be broken since #48209 because of the replacement of Calendar and the change in the ISO rules. ISO_WEEK failed for some edge cases around the January 1st. DATE_DIFF was previously based on non-iso WEEK extraction which seems not to be the case. Fixes: #49376 (cherry picked from commit 54fe7f5)
matriv
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Nov 29, 2019
Some extended testing with MS-SQL server and H2 (which agree on results) revealed bugs in the implementation of WEEK related extraction and diff functions. Non-iso WEEK seems to be broken since #48209 because of the replacement of Calendar and the change in the ISO rules. ISO_WEEK failed for some edge cases around the January 1st. DATE_DIFF was previously based on non-iso WEEK extraction which seems not to be the case. Fixes: #49376 (cherry picked from commit 54fe7f5)
matriv
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Nov 29, 2019
Some extended testing with MS-SQL server and H2 (which agree on results) revealed bugs in the implementation of WEEK related extraction and diff functions. Non-iso WEEK seems to be broken since #48209 because of the replacement of Calendar and the change in the ISO rules. ISO_WEEK failed for some edge cases around the January 1st. DATE_DIFF was previously based on non-iso WEEK extraction which seems not to be the case. Fixes: #49376 (cherry picked from commit 54fe7f5)
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SivagurunathanV
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Jan 23, 2020
Some extended testing with MS-SQL server and H2 (which agree on results) revealed bugs in the implementation of WEEK related extraction and diff functions. Non-iso WEEK seems to be broken since elastic#48209 because of the replacement of Calendar and the change in the ISO rules. ISO_WEEK failed for some edge cases around the January 1st. DATE_DIFF was previously based on non-iso WEEK extraction which seems not to be the case. Fixes: elastic#49376
This was referenced Feb 3, 2020
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Some extended testing with MS-SQL server and H2 (which agree on
results) revealed bugs in the implementation of WEEK related extraction
and diff functions.
Non-iso WEEK seems to be broken since [Java.time] Calculate week of a year with ISO rules #48209 because
of the replacement of Calendar and the change in the ISO rules.
ISO_WEEK failed for some edge cases around the January 1st.
DATE_DIFF was previously wrongly calculated based on
non-iso WEEK extraction.
Fixes: #49376