bfa9b25c94
This is the documented behavior, and it worked that way before v10. However, addition of the connhost[] array created cases where conn->connhost[conn->whichhost].port is NULL. The rest of libpq is careful to substitute DEF_PGPORT[_STR] for a null or empty port string, but we failed to do so here, leading to possibly returning NULL. As of v18 that causes psql's \conninfo command to segfault. Older psql versions avoid that, but it's pretty likely that other clients have trouble with this, so we'd better back-patch the fix. In stable branches, just revert to our historical behavior of returning an empty string when there was no user-given port specification. However, it seems substantially more useful and indeed more correct to hand back DEF_PGPORT_STR in such cases, so let's make v18 and master do that. Author: Daniele Varrazzo <daniele.varrazzo@gmail.com> Reviewed-by: Laurenz Albe <laurenz.albe@cybertec.at> Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://postgr.es/m/CA+mi_8YTS8WPZPO0PAb2aaGLwHuQ0DEQRF0ZMnvWss4y9FwDYQ@mail.gmail.com Backpatch-through: 13 |
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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/18/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/18/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/.