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annotate sat/memory/migration/README @ 3941:036188fff714

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plugin pubsub cache: avoid race condition by retrying node request: When retrieving items, there may be a race condition if a node is not found in cache, then created before `setPubsubNode` is called. This patch handle this case by retrying in case of UNIQUE constraint violation.
author Goffi <goffi@goffi.org>
date Sat, 15 Oct 2022 20:38:33 +0200
parents 71516731d0aa
children
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3582
71516731d0aa core (memory/sqla): database migration using Alembic:
Goffi <goffi@goffi.org>
parents:
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1 This directory and subdirectories contains Alembic migration scripts.
71516731d0aa core (memory/sqla): database migration using Alembic:
Goffi <goffi@goffi.org>
parents:
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2
71516731d0aa core (memory/sqla): database migration using Alembic:
Goffi <goffi@goffi.org>
parents:
diff changeset
3 Please check Libervia documentation for details.