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Remove RestrictInfo.nullable_relids, along with a good deal of infrastructure that calculated it. One use-case for it was in join_clause_is_movable_to, but we can now replace that usage with a check to see if the clause's relids include any outer join that can null the target relation. The other use-case was in join_clause_is_movable_into, but that test can just be dropped entirely now that the clause's relids include outer joins. Furthermore, join_clause_is_movable_into should now be accurate enough that it will accept anything returned by generate_join_implied_equalities, so we can restore the Assert that was diked out in commit |
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config | ||
contrib | ||
doc | ||
src | ||
.cirrus.yml | ||
.dir-locals.el | ||
.editorconfig | ||
.git-blame-ignore-revs | ||
.gitattributes | ||
.gitignore | ||
aclocal.m4 | ||
configure | ||
configure.ac | ||
COPYRIGHT | ||
GNUmakefile.in | ||
HISTORY | ||
Makefile | ||
meson_options.txt | ||
meson.build | ||
README | ||
README.git |
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/.