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Handle long dav property paths by hashing them #19242

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merged 8 commits into from
Mar 18, 2020
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icewind1991
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Alternative to extending the column (#18126).

Even ignoring the migration problems with extending the problem, we then run into issues where we can't have an index on long string columns, which would require adding a separate path_hash column to query on.

Since we don't actually ever query the path from the table and only use it for searching, simply storing only the hash works just fine.

PR includes

  • Getting rid of a nearly duplicate version of the custom properties backend
  • Make the tests run against a real DB, not just expect specific queries
  • Extend the tests to cover more code paths
  • Hash paths when they are to long to store

@icewind1991 icewind1991 added the 3. to review Waiting for reviews label Jan 31, 2020
@icewind1991 icewind1991 added this to the Nextcloud 19 milestone Jan 31, 2020
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@georgehrke georgehrke left a comment

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This breaks custom properties for CalDAV (and probably CardDAV as well) for me:

To reproduce, just open the calendar app and click a calendar to hide it. When reloading, it should still be hidden, but it's not.

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Neither Calendar nor AddressBook are extending Node

@icewind1991
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icewind1991 commented Feb 3, 2020

switched to INode

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nevermind INode doesn't have getPath switched back to just using the path

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cc @georgehrke @rullzer

@rullzer rullzer force-pushed the dav-long-properties branch 2 times, most recently from 5a40940 to e44c276 Compare March 18, 2020 12:49
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Lets do this!

@rullzer rullzer merged commit b306a81 into master Mar 18, 2020
@rullzer rullzer deleted the dav-long-properties branch March 18, 2020 18:48
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/backport to stable18

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/backport to stable17

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The backport to stable17 failed. Please do this backport manually.

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backport to stable18 in #20030

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3 participants