Dev-where branch : Add a feature to filter the data you need #718
Dev-where branch : Add a feature to filter the data you need #718cenkore wants to merge 17 commits intogithub:masterfrom cenkore:dev-where
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@shlomi-noach can you take a look ? were really stuck here . |
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what needs to be done |
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excellent feature, when will this feature merge into the trunk? |
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nobody filled me in on what is going on so i am confused |
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ok thank you
…On Wed, Apr 17, 2019 at 9:45 PM dikang123 ***@***.***> wrote:
excellent feature, when will this feature merge into the trunk?
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sierra
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would this work |
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We would like to use gh-ost, however we need this functionality; can we expect this to be merged anytime soon? |
What needs to be done for this PR ? It's stuck here with "Some checks haven’t completed yet" , and I dont know how to fix it. |
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@cenkore Looks like the CI pipeline possibly stalled out there. Maybe rebase with the latest master and push the branch up again to kick the CI bits. |
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I merged latest master into my branch, still stuck here 😔 |
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Nice feature, hope to be released! |
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Hello :) |
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Now is 2025/09/17, what is the problem? |
The main usage scenarios are as follows:
If you need to clean up some of the data before you doing the gh-ost release, it can release with
-where-reserve-clausedirectly and you don't need to do a clean up first.If you just wanna clear a lot of data, especially for the amount of cleaning is greater than the amount of retention, it can avoid
DELETE + OPTIMIZEoperation.add 2 flags:
where-reserve-clause:used for only copy where clause stmt valuesforce-query-migration-range-values-on-master:if you use where-reserve-clause flag, by default, will query initial migration range values with corresponding where clause stmt on slave. Also you can specify this flag to true , it will query on master and not care where clause stmt like usual and the where clause stmt would be used at copy rows to gho table.modify 1 flag
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alter:you can specify Noop if you just wanna do a table slimming and not change the table structure