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base repository: postgresql-cfbot/postgresql
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head repository: postgresql-cfbot/postgresql
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compare: cf/5890
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  • 2 commits
  • 1 file changed
  • 2 contributors

Commits on Aug 29, 2025

  1. Add check for compressed posting list items number in GIN 

    Current code doesn't check if compressed posting list contains all
new items during index tuple creation which potentially can lead to
lost of data. It doesn't happen now because the size limit of compressed
posting list is the same as gin index tuple size limit, so when compressed
posting list reaches its limit, index tuple size with such data always
too large to be inserted. This commit adds check for compressed items number.

Also, in case of adding items to an existing index tuple we can use more
precise size limit for compressed posting list as we have old index tuple
and can say how many space we have for posting list. It helps to avoid
redundant calls to GinFormTuple.
    @dvcer
    dvcer authored and Commitfest Bot committed Aug 29, 2025
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  2. [CF 5890] v2 - GIN tries to form a tuple with a partial compressedLis… 

    …t during insertion

This branch was automatically generated by a robot using patches from an
email thread registered at:

https://commitfest.postgresql.org/patch/5890

The branch will be overwritten each time a new patch version is posted to
the thread, and also periodically to check for bitrot caused by changes
on the master branch.

Patch(es): https://www.postgresql.org/message-id/CAE7r3MK8rNnRe+jQhcmRhMqRyDx5thjpAVMUPWtnJQT8bcYMwA@mail.gmail.com
Author(s): Arseniy Mukhin
    Commitfest Bot committed Aug 29, 2025
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