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Doing this instead of regular updates serves two purposes. First, that avoids possible waiting on the row-level lock. Second, that avoids dealing with TOAST. It's known that changes made by heap_inplace_update() may be lost due to concurrent normal updates. However, we are OK with that. The subsequent connections will still have a chance to set "dathasloginevt" to false. Reported-by: Alexander Lakhin Discussion: https://postgr.es/m/e2a0248e-5f32-af0c-9832-a90d303c2c61%40gmail.com |
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| configure | ||
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| COPYRIGHT | ||
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| README | ||
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/devel/ In particular, information about building PostgreSQL from the source code can be found at: https://www.postgresql.org/docs/devel/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/.