97b6144826
The BKI file's string quoting conventions were previously quite weird, perhaps as a result of repurposing a function built to scan single-quoted strings to scan double-quoted ones. Change to use the same rules as we use in GUC files, allowing some simplifications in genbki.pl and initdb.c. While at it, completely remove the backend's scanstr() function, which was essentially a duplicate of the string dequoting code in guc-file.l. Instead export that one (under a less generic name than it had) and let bootscanner.l use it. Now we can clarify that scansup.c exists only to support the main lexer. We could alternatively have removed GUC_scanstr, but this way seems better since the previous arrangement could mislead a reader into thinking that scanstr() had something to do with the main lexer's handling of string literals. Maybe it did once, but if so it was a long time ago. This patch does not bump catversion, since the initially-installed catalog contents don't change. Note however that successful initdb after applying this patch will require up-to-date postgres.bki as well as postgres and initdb executables. In passing, remove a bunch of very-long-obsolete #include's in bootparse.y and bootscanner.l. John Naylor Discussion: https://postgr.es/m/CACPNZCtDpd18T0KATTmCggO2GdVC4ow86ypiq5ENff1VnauL8g@mail.gmail.com |
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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. 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/.