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This commit addresses two related issues: tsvector_filter() assumed it could print an incorrect weight value with %c. This could result in an invalidly-encoded error message if the database encoding is multibyte and the char value has its high bit set. Weight values that are ASCII control characters could render illegibly too. Fix by printing such values in octal (\ooo), similarly to how charout() would render them. tsvector_setweight() and tsvector_setweight_by_filter() reported the same unrecognized-weight error condition with elog(), as though it were an internal error. That'd not translate, would produce an unwanted XX000 SQLSTATE code, and also reported the bad value as a decimal integer which seems unhelpful. Fix by refactoring so that all three functions share one copy of the code that interprets a weight argument. The invalid-encoding aspect seems to me (tgl) to justify back-patching. Author: Ewan Young <kdbase.hack@gmail.com> Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://postgr.es/m/CAON2xHNaeLAUzRCXL5AmXLcXaSE_gWAVjWQRmLzc_oZ=1_Vf4Q@mail.gmail.com Backpatch-through: 14
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/.