diff options
author | Tom Lane <tgl@sss.pgh.pa.us> | 2006-07-10 22:10:57 +0000 |
---|---|---|
committer | Tom Lane <tgl@sss.pgh.pa.us> | 2006-07-10 22:10:57 +0000 |
commit | 6e37be02e71ddc9cecad1ba962397cfc4a27e922 (patch) | |
tree | f7ed1387329d65363d020b15f3d1d9ae60c9a2fc /src/backend/executor/nodeSort.c | |
parent | acf40f39be47cd92ff394e9c42f9ffa4dfd741ed (diff) | |
download | postgresql-6e37be02e71ddc9cecad1ba962397cfc4a27e922.tar.gz postgresql-6e37be02e71ddc9cecad1ba962397cfc4a27e922.zip |
Fix ALTER TABLE to check pre-existing NOT NULL constraints when rewriting
a table. Otherwise a USING clause that yields NULL can leave the table
violating its constraint (possibly there are other cases too). Per report
from Alexander Pravking.
Diffstat (limited to 'src/backend/executor/nodeSort.c')
0 files changed, 0 insertions, 0 deletions