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If a user started a bulk write operation on a fork with existing data to append data in bulk, the bulk_write machinery would zero out all previously written pages up to the last page written by the new bulk_write operation. This is not an issue for PostgreSQL itself, because we never use the bulk_write facility on a non-empty fork. But there are use cases where it makes sense. TimescaleDB extension is known to do that to merge partitions, for example. Backpatch to v17, where the bulk_write machinery was introduced. Author: Matthias van de Meent <boekewurm+postgres@gmail.com> Reported-By: Erik Nordström <erik@timescale.com> Reviewed-by: Erik Nordström <erik@timescale.com> Discussion: https://www.postgresql.org/message-id/CACAa4VJ%2BQY4pY7M0ECq29uGkrOygikYtao1UG9yCDFosxaps9g@mail.gmail.com |
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| configure | ||
| configure.ac | ||
| COPYRIGHT | ||
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PostgreSQL Database Management System
This directory contains the source code distribution of the PostgreSQL database management system.
PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/17/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/17/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.