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Comparing composite types is sometimes crazy slow #285

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erichanson opened this issue Nov 29, 2023 · 0 comments
Open

Comparing composite types is sometimes crazy slow #285

erichanson opened this issue Nov 29, 2023 · 0 comments

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@erichanson
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https://explain.depesz.com/s/RsZl

Three queries here, one is 971ms, the other two are ~7ms. Can't tell why one would be that much slower than the other two.
erichanson added a commit that referenced this issue Nov 29, 2023
@erichanson
bundle: convert head_commit_row and head_commit_field to mat-views
6ddc9a1 
Big speedups.  Working around what sure seems to be a PostgreSQL bug #285.  If
we keep this approach, would be nice to add write-blocking triggers on the
internal rowset* tables, as they should never be modified directly, #286.
@erichanson erichanson changed the title Weird issue with comparing composite foreign keys Comparing composite types is sometimes crazy slow Dec 3, 2023
@erichanson erichanson mentioned this issue Dec 6, 2023
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@erichanson