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please find attached patch to current CVS ( contrib/ltree )

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Changes:

July 31, 2002
   Now works on 64-bit platforms.
   Added function lca - lowest common ancestor
   Version for 7.2 is distributed as separate package -
   http://www.sai.msu.su/~megera/postgres/gist/ltree/ltree-7.2.tar.gz

Oleg Bartunov
This commit is contained in:
Bruce Momjian
2002-08-04 05:02:50 +00:00
parent 6495f4e52f
commit 978c8c6d2f
6 changed files with 199 additions and 38 deletions
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27
contrib/ltree/README.ltree
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@@ -4,7 +4,7 @@ ltree - is a PostgreSQL contrib module which contains implementation of data
types, indexed access methods and queries for data organized as a tree-like
structures.
This module will works for PostgreSQL version 7.3.
(patch for 7.2 version is provided, see INSTALLATION)
(version for 7.2 version is available from http://www.sai.msu.su/~megera/postgres/gist/ltree/ltree-7.2.tar.gz)
-------------------------------------------------------------------------------
All work was done by Teodor Sigaev (teodor@stack.net) and Oleg Bartunov
(oleg@sai.msu.su). See http://www.sai.msu.su/~megera/postgres/gist for
@@ -184,9 +184,21 @@ int4 nlevel
nlevel
--------
3
Note, that arguments start, end, OFFSET, LEN have meaning of level of the node
!
Note, that arguments start, end, OFFSET, LEN have meaning of level of the
node !
ltree lca(ltree,ltree,...) (up to 8 arguments)
ltree lca(ltree[])
Returns Lowest Common Ancestor (lca)
# select lca('1.2.2.3','1.2.3.4.5.6');
lca
-----
1.2
# select lca('{la.2.3,1.2.3.4.5.6}') is null;
?column?
----------
f
INSTALLATION
@@ -195,8 +207,6 @@ INSTALLATION
make install
make installcheck
for 7.2 one needs to apply patch ( patch < patch.72) before installation !
EXAMPLE OF USAGE
createdb ltreetest
@@ -416,6 +426,11 @@ appreciate your input. So far, below some (rather obvious) results:
CHANGES
July 31, 2002
Now works on 64-bit platforms.
Added function lca - lowest common ancestor
Version for 7.2 is distributed as separate package -
http://www.sai.msu.su/~megera/postgres/gist/ltree/ltree-7.2.tar.gz
July 13, 2002
Initial release.