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pg_similarity is an extension to support similarity queries on PostgreSQL. The

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implementation is tightly integrated in the RDBMS in the sense that it defines
operators so instead of the traditional operators (= and <>) you can use ~~~
and ! (any of these operators represents a similarity function).

pg_similarity has three main components:

* Functions: a set of functions that implements similarity algorithms available
  in the literature. These functions can be used as UDFs and, will be the base
  for implementing the similarity operators;
* Operators: a set of operators defined at the top of similarity functions. They
  use similarity functions to obtain the similarity threshold and, compare its
  value to a user-defined threshold to decide if it is a match or not;
* Session Variables: a set of variables that store similarity function
  parameters. Theses variables can be defined at run time.

WWW: http://pgsimilarity.projects.pgfoundry.org

PR:		220428
Submitted by:	Jov <amutu@amutu.com>
Sponsored by:	iXsystems Inc.
This commit is contained in:
Martin Wilke 2018-07-28 14:57:52 +00:00
parent 91e39612ba
commit 8636387023
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=475583
4 changed files with 53 additions and 0 deletions
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1
databases/Makefile
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@ -590,6 +590,7 @@
SUBDIR += pg_qualstats
SUBDIR += pg_reorg
SUBDIR += pg_repack
SUBDIR += pg_similarity
SUBDIR += pg_stat_kcache
SUBDIR += pgaccess
SUBDIR += pgadmin3

32
databases/pg_similarity/Makefile Normal file
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@ -0,0 +1,32 @@
# Created by: Jov <amutu@amutu.com>
# $FreeBSD$
PORTNAME= pg_similarity
PORTVERSION= 20160917
CATEGORIES= databases
PKGNAMEPREFIX= postgresql${PGSQL_VER:S/.//}-
MAINTAINER= amutu@amutu.com
COMMENT= Set of functions and operators for executing similarity queries
LICENSE= BSD3CLAUSE
USES= gmake pgsql:9.1+
USE_GITHUB= yes
GH_ACCOUNT= eulerto
GH_TAGNAME= be1a8b0
MAKE_ENV= USE_PGXS=1
WANT_PGSQL= server
PLIST_FILES= lib/postgresql/pg_similarity.so \
share/postgresql/extension/pg_similarity--1.0.sql \
share/postgresql/extension/pg_similarity--unpackaged--1.0.sql \
share/postgresql/extension/pg_similarity.control \
share/postgresql/extension/pg_similarity.sql
post-install:
${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/postgresql/pg_similarity.so
.include <bsd.port.mk>

3
databases/pg_similarity/distinfo Normal file
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@ -0,0 +1,3 @@
TIMESTAMP = 1498975894
SHA256 (eulerto-pg_similarity-20160917-be1a8b0_GH0.tar.gz) = 6c990a211c6bc9f477fd401f5ecce102743b3e4811db73c233cdc79cc187ace9
SIZE (eulerto-pg_similarity-20160917-be1a8b0_GH0.tar.gz) = 57627

17
databases/pg_similarity/pkg-descr Normal file
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@ -0,0 +1,17 @@
pg_similarity is an extension to support similarity queries on PostgreSQL. The
implementation is tightly integrated in the RDBMS in the sense that it defines
operators so instead of the traditional operators (= and <>) you can use ~~~
and ! (any of these operators represents a similarity function).
pg_similarity has three main components:
* Functions: a set of functions that implements similarity algorithms available
in the literature. These functions can be used as UDFs and, will be the base
for implementing the similarity operators;
* Operators: a set of operators defined at the top of similarity functions. They
use similarity functions to obtain the similarity threshold and, compare its
value to a user-defined threshold to decide if it is a match or not;
* Session Variables: a set of variables that store similarity function
parameters. Theses variables can be defined at run time.
WWW: http://pgsimilarity.projects.pgfoundry.org