Make ALTER TABLE revalidate uniqueness and exclusion constraints.
Failure to do so can lead to constraint violations. This was broken by
commit 1ddc2703a936d03953657f43345460b9242bbed1 on 2010-02-07, so
back-patch to 9.0.
Noah Misch. Regression test by me.
Branch
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REL9_0_STABLE
Details
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http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=39b5e5f3370258cae843e8cc83eccd59ddb532dd
Modified Files
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src/backend/catalog/index.c | 43 ++++++++++++++++-------------
src/backend/commands/cluster.c | 9 +++++-
src/backend/commands/indexcmds.c | 4 +-
src/backend/commands/tablecmds.c | 7 +++--
src/include/catalog/index.h | 5 +++-
src/include/commands/cluster.h | 1 +
src/test/regress/expected/alter_table.out | 4 +++
src/test/regress/sql/alter_table.sql | 2 +
8 files changed, 48 insertions(+), 27 deletions(-)