| Commit message (Collapse) | Author | Age | Files | Lines |
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nix extra var
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postgres could get real messy.
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mysql has type tinyint(3) which probably turns into a 24-bit value, but
postgres uses 3-digit decimal as its constraint (probably what the mysql
schema was intended to do). either that or mysql silently truncates while
postgres respects the constraint. Either way, bad data gets in unchecked, now
it's checked.
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deletions weren't propagating. Hopefully this is the last reason and there aren't more lurking further down the chain.
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fix for the problem of receiving a delete notification before we actually get the item which we're supposed to delete.
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changes. Split these into seperate set and reset blocks.
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weekly doc updates
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parent route we have. By definition we aren't going to have permission issues with these things.
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route matching and only look at the last hop before it got to us - which is ultimately all we should care about (since that sender controls the thread permissions). Route mismatches seem to occur somewhat frequently from yamkote (for unknown reasons), and the logging has been improved a bit so it should provide some slightly more useful debugging info in case it still happens going forward. Oh, also we'll set the parent on comments when we store the initial post (item_store()) and only go back and set the parent for top-level posts. This should reduce the number of comments with missing parents on shared hosts, but may increase the number of missing threads. Probably worthwhile to do a query occasionally for parent = 0 and see how we're doing and how many have shared host related delivery issues.
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this gets called from a zot post_post dealing with a specific messageid and hubloc_hash combination. grouping by site
doesn't make sense here and it gets grouped when pulled back out elsewhere anyway
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this - causes issue with check_upstream_directory
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this would be wrong and cause even more subtle bugs. Reset to whatever value was passed in.
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channel is reached but then the loop iterated over another channel.
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is really going on
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- significantly increase the content availability on the discover channel
- fix the button group on the blog/list mode which made the border on a single comment button a bit wonky
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sys channel (on the local system), but this puts the local sys channel in the public delivery chain and fixes an issue with unseen counts showing on the discover page (where you can't do anything about it).
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Conflicts:
boot.php
include/dba/dba_driver.php
include/diaspora.php
include/follow.php
include/session.php
include/zot.php
mod/photos.php
mod/ping.php
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considerable] lag time before existing forums are correctly tagged).
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other types of forums or weird custom channel permissions. If the channel is auto-accept and taggable, it's a public forum.
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the default connection permissions for those who don't have a predefined (or therefore have a "custom") permissions role. Unfortunately this includes most people that were using this software more than a month ago. The real changes are that the SELF address book entry no longer holds "auto-permissions" but instead holds your "default permissions" (if you have a pre-defined role, the defaults will be pulled from the role table).
The auto permissions have moved to a pconfig (uid.system.autoperms). A DB update will move these settings into their new homes.
What used to be the "Auto-permissions settings" page is now the "default permissions settings" page and a checkbox therein decides whether or not to apply the permissions automatically. A link to this page will only be shown when you have the "custom" role selected.
With luck nobody will notice anything wrong. But at least for the next few days, please review permissions that have been assigned to new connections (either automatically or manually) and make sure they make sense (e.g. they aren't "nothing"). You still need to take action when seeing a message "permissions have changed but not yet submitted" as we always let you review and perhaps adjust the settings _before_ a connection is established (unless you have autoperms turned on).
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this over and tested a lot of edge cases, and thought about from every angle I can think of to prevent looping. I don't *think* this can loop. I also doubt that this is the problem at friendicared.de, but I don't know for sure what that problem might be.
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back on
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There were 11 main types of changes:
- UPDATE's and DELETE's sometimes had LIMIT 1 at the end of them. This is not only non-compliant but
it would certainly not do what whoever wrote it thought it would. It is likely this mistake was just
copied from Friendica. All of these instances, the LIMIT 1 was simply removed.
- Bitwise operations (and even some non-zero int checks) erroneously rely on MySQL implicit
integer-boolean conversion in the WHERE clauses. This is non-compliant (and bad programming practice
to boot). Proper explicit boolean conversions were added. New queries should use proper conventions.
- MySQL has a different operator for bitwise XOR than postgres. Rather than add yet another dba_
func, I converted them to "& ~" ("AND NOT") when turning off, and "|" ("OR") when turning on. There
were no true toggles (XOR). New queries should refrain from using XOR when not necessary.
- There are several fields which the schema has marked as NOT NULL, but the inserts don't specify
them. The reason this works is because mysql totally ignores the constraint and adds an empty text
default automatically. Again, non-compliant, obviously. In these cases a default of empty text was
added.
- Several statements rely on a non-standard MySQL feature
(http://dev.mysql.com/doc/refman/5.5/en/group-by-handling.html). These queries can all be rewritten
to be standards compliant. Interestingly enough, the newly rewritten standards compliant queries run
a zillion times faster, even on MySQL.
- A couple of function/operator name translations were needed (RAND/RANDOM, GROUP_CONCAT/STRING_AGG,
UTC_NOW, REGEXP/~, ^/#) -- assist functions added in the dba_
- INTERVALs: postgres requires quotes around the value, mysql requires that there are not quotes
around the value -- assist functions added in the dba_
- NULL_DATE's -- Postgres does not allow the invalid date '0000-00-00 00:00:00' (there is no such
thing as year 0 or month 0 or day 0). We use '0001-01-01 00:00:00' for postgres. Conversions are
handled in Zot/item packets automagically by quoting all dates with dbescdate().
- char(##) specifications in the schema creates fields with blank spaces that aren't trimmed in the
code. MySQL apparently treats char(##) as varchar(##), again, non-compliant. Since postgres works
better with text fields anyway, this ball of bugs was simply side-stepped by using 'text' datatype
for all text fields in the postgres schema. varchar was used in a couple of places where it actually
seemed appropriate (size constraint), but without rigorously vetting that all of the PHP code
actually validates data, new bugs might come out from under the rug.
- postgres doesn't store nul bytes and a few other non-printables in text fields, even when quoted.
bytea fields were used when storing binary data (photo.data, attach.data). A new dbescbin() function
was added to handle this transparently.
- postgres does not support LIMIT #,# syntax. All databases support LIMIT # OFFSET # syntax.
Statements were updated to be standard.
These changes require corresponding changes in the coding standards. Please review those before
adding any code going forward.
Still on my TODO list:
- remove quotes from non-reserved identifiers and make reserved identifiers use dba func for quoting
- Rewrite search queries for better results (both MySQL and Postgres)
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prevent them from recursing
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a missing top-level post to match it with. So we'll send a request back to the sender that you've never seen this thread and please send a fresh copy of the entire conversation to date. We could soon have posts in the matrix from different platforms from days gone by, which have been migrated into the modern world. We'll be polite and not deliver these to everybody. However, if someone comments on one of these antique threads we wouldn't be able to see it in our own matrix because we won't have a copy of the parent post. So this rectifies that situation. Be aware that item deletion may need to change to keep "hard deleted" items indefinitely so that they don't keep coming back. We'll have to null out the important data of the former item to accomplish the deletion aspect.
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