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Tom Lane 86488cdf12 Disallow creating binary-coercible casts involving range types. 
For a long time we have forbidden binary-coercible casts to or from
composite and array types, because such a cast cannot work correctly:
the type OID embedded in the value would need to change, but it won't
in a binary coercion.  That reasoning applies equally to range types,
but we overlooked installing a similar restriction here when we
invented range types.  Do so now.

Given the lack of field complaints, we won't change this in stable
branches, but it seems not too late for v17.

Per discussion of a problem noted by Peter Eisentraut.

Discussion: https://postgr.es/m/076968e1-0852-40a9-bc0b-117cd3f0e43c@eisentraut.org
 		2024-08-21 12:00:03 -04:00
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doc doc: remove llvm-config search from configure documentation 2024-08-21 15:11:21 +02:00
src Disallow creating binary-coercible casts involving range types. 2024-08-21 12:00:03 -04:00
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README.md

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/.