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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-21 05:05:26 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-21 05:05:26 +0000 |
| commit | e75d99818dd3940be997520e64db8c9e3b207e39 (patch) | |
| tree | 0003ca0de74fcc8d18433e34ea68d2e7aaf06b7c /src/include/catalog/pg_opclass.dat | |
| parent | Releasing progress-linux version 15.6-0+deb12u1~progress6.99u1. (diff) | |
| download | postgresql-15-e75d99818dd3940be997520e64db8c9e3b207e39.tar.xz postgresql-15-e75d99818dd3940be997520e64db8c9e3b207e39.zip | |
Merging upstream version 15.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | src/include/catalog/pg_opclass.dat | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/include/catalog/pg_opclass.dat b/src/include/catalog/pg_opclass.dat index dbcae7f..7a939d9 100644 --- a/src/include/catalog/pg_opclass.dat +++ b/src/include/catalog/pg_opclass.dat @@ -91,8 +91,11 @@ # Here's an ugly little hack to save space in the system catalog indexes. # btree doesn't ordinarily allow a storage type different from input type; # but cstring and name are the same thing except for trailing padding, -# and we can safely omit that within an index entry. So we declare the -# btree opclass for name as using cstring storage type. +# so we choose to omit that within an index entry. Here we declare the +# btree opclass for name as using cstring storage type. This does require +# that we pad the cstring out with the full NAMEDATALEN bytes when performing +# index-only scans. See corresponding hacks in ExecInitIndexOnlyScan() and +# StoreIndexTuple(). { opcmethod => 'btree', opcname => 'name_ops', opcfamily => 'btree/text_ops', opcintype => 'name', opckeytype => 'cstring' }, |