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In walreceiver, set the publisher's relevant GUCs (datestyle, intervalstyle, extra_float_digits) to the same values that pg_dump uses, and for the same reason: we need the output to be read the same way regardless of the receiver's settings. Without this, it's possible for subscribers to misinterpret transmitted values. Although this is clearly a bug fix, it's not without downsides: subscribers that are storing values into some other datatype, such as text, could get different results than before, and perhaps be unhappy about that. Given the lack of previous complaints, it seems best to change this only in HEAD, and to call it out as an incompatible change in v15. Japin Li, per report from Sadhuprasad Patro Discussion: https://postgr.es/m/CAFF0-CF=D7pc6st-3A9f1JnOt0qmc+BcBPVzD6fLYisKyAjkGA@mail.gmail.com |
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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. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download/ See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.