-- $Id: psql-test-initialize.sql,v 1.1 2006-06-05 09:33:22 rurban Exp $
-- for the regression suite

\set prefix 	'test_'
\set httpd_user	'wikiuser'

\set page_tbl 		:prefix 'page'
\set page_id_seq 	:prefix 'page_id_seq'
\set page_id_idx 	:prefix 'page_id_idx'
\set page_name_idx 	:prefix 'page_name_idx'

\set version_tbl 	:prefix 'version'
\set vers_id_idx 	:prefix 'vers_id_idx'
\set vers_mtime_idx 	:prefix 'vers_mtime_idx'

\set recent_tbl  	:prefix 'recent'
\set recent_id_idx 	:prefix 'recent_id_idx'

\set nonempty_tbl 	:prefix 'nonempty'
\set nonmt_id_idx 	:prefix 'nonmt_id_idx'

\set link_tbl  		:prefix 'link'
\set link_from_idx 	:prefix 'link_from_idx'
\set link_to_idx 	:prefix 'link_to_idx'
\set relation_idx 	:prefix 'relation_idx'

\set session_tbl 	:prefix 'session'
\set sess_id_idx 	:prefix 'sess_id_idx'
\set sess_date_idx 	:prefix 'sess_date_idx'
\set sess_ip_idx 	:prefix 'sess_ip_idx'

\set pref_tbl 	 	:prefix 'pref'
\set pref_id_idx 	:prefix 'pref_id_idx'
\set pref_pkey 		:prefix 'pref_pkey'

--\set user_tbl 	 	:prefix 'users'
--\set user_id_idx  	:prefix 'users_id_idx'
\set member_tbl  	:prefix 'member'
\set member_id_idx  	:prefix 'member_id_idx'
\set member_group_idx 	:prefix 'member_group_idx'

\set rating_tbl		:prefix 'rating'
\set rating_id_idx 	:prefix 'rating_id_idx'

\set accesslog_tbl 	:prefix 'accesslog'
\set accesslog_time_idx :prefix 'log_time_idx'
\set accesslog_host_idx :prefix 'log_host_idx'

\echo Dropping all test relations

DROP TABLE :version_tbl CASCADE;
DROP TABLE :recent_tbl CASCADE;
DROP TABLE :nonempty_tbl CASCADE;
DROP TABLE :link_tbl CASCADE;
DROP TABLE :rating_tbl CASCADE;

DROP TABLE :page_tbl CASCADE;
DROP SEQUENCE :page_id_seq;

DROP TABLE :member_tbl CASCADE;
DROP TABLE :pref_tbl CASCADE;
DROP TABLE :session_tbl CASCADE;
DROP TABLE :accesslog_tbl CASCADE;

DROP FUNCTION update_recent (INT4, INT4);
DROP FUNCTION prepare_rename_page (INT4, INT4);

------------------------------------------------------------

\echo Creating :page_tbl
CREATE TABLE :page_tbl (
	id 		SERIAL PRIMARY KEY,
        pagename 	VARCHAR(100) NOT NULL UNIQUE CHECK (pagename <> ''),
	hits 		INT4 NOT NULL DEFAULT 0,
        pagedata 	TEXT NOT NULL DEFAULT '',
	cached_html  	bytea DEFAULT ''
);
-- CREATE UNIQUE INDEX :page_id_idx ON :page_tbl (id);
-- CREATE UNIQUE INDEX :page_name_idx ON :page_tbl (pagename);

\echo Creating :version_tbl
CREATE TABLE :version_tbl (
	id		INT4 REFERENCES :page_tbl ON DELETE CASCADE,
        version		INT4 NOT NULL,
	mtime		INT4 NOT NULL,
-- FIXME: should use boolean, but that returns 't' or 'f'. not 0 or 1. 
	minor_edit	INT2 DEFAULT 0,
-- use bytea instead?
        content		TEXT NOT NULL DEFAULT '',
        versiondata	TEXT NOT NULL DEFAULT ''
);
CREATE UNIQUE INDEX :vers_id_idx ON :version_tbl (id, version);
CREATE INDEX :vers_mtime_idx ON :version_tbl (mtime);

\echo Creating :recent_tbl
CREATE TABLE :recent_tbl (
	id		INT4 REFERENCES :page_tbl ON DELETE CASCADE,
	latestversion	INT4, 
	latestmajor	INT4,
	latestminor	INT4,
	FOREIGN KEY (id, latestversion) REFERENCES :version_tbl (id, version),
	CHECK (latestminor >= latestmajor)
);
CREATE UNIQUE INDEX :recent_id_idx ON :recent_tbl (id);
CREATE INDEX recent_latestversion_idx ON :recent_tbl (latestversion);

\echo Creating :nonempty_tbl
CREATE TABLE :nonempty_tbl (
	id		INT4 NOT NULL REFERENCES :page_tbl ON DELETE CASCADE
);
CREATE UNIQUE INDEX :nonmt_id_idx ON :nonempty_tbl (id);

\echo Creating :link_tbl
CREATE TABLE :link_tbl (
        linkfrom  INT4 NOT NULL REFERENCES :page_tbl,
        linkto 	  INT4 NOT NULL REFERENCES :page_tbl,
        relation  INT4 REFERENCES :page_tbl (id) ON DELETE CASCADE
);
CREATE INDEX :link_from_idx ON :link_tbl (linkfrom);
CREATE INDEX :link_to_idx   ON :link_tbl (linkto);
CREATE INDEX :relation_idx  ON :link_tbl (relation);

-- if you plan to use the wikilens theme
\echo Creating :rating_tbl
CREATE TABLE :rating_tbl (
        dimension    INTEGER NOT NULL,
        raterpage    INT8 NOT NULL REFERENCES :page_tbl ON DELETE CASCADE,
        rateepage    INT8 NOT NULL REFERENCES :page_tbl ON DELETE CASCADE,
        ratingvalue  FLOAT NOT NULL,
        rateeversion INT8 NOT NULL,
        tstamp       TIMESTAMP NOT NULL
);
CREATE UNIQUE INDEX :rating_id_idx ON :rating_tbl (dimension, raterpage, rateepage);

--================================================================
-- end of page relations
--================================================================

\echo Creating :session_tbl
CREATE TABLE :session_tbl (
	sess_id 	CHAR(32) PRIMARY KEY,
    	sess_data 	bytea NOT NULL,
    	sess_date 	INT4,
    	sess_ip 	CHAR(40) NOT NULL
);
-- CREATE UNIQUE INDEX :sess_id_idx ON :session_tbl (sess_id);
CREATE INDEX :sess_date_idx ON :session_tbl (sess_date);
CREATE INDEX :sess_ip_idx   ON :session_tbl (sess_ip);

-- Optional DB Auth and Prefs
-- For these tables below the default table prefix must be used 
-- in the DBAuthParam SQL statements also.

\echo Creating :pref_tbl
CREATE TABLE :pref_tbl (
  	userid 	  CHAR(48) PRIMARY KEY,
  	prefs  	  TEXT NULL DEFAULT '',
	passwd    CHAR(48) DEFAULT '',
	groupname CHAR(48) DEFAULT 'users'
);
-- CREATE UNIQUE INDEX :pref_id_idx ON :pref_tbl (userid);
CREATE INDEX pref_group_idx ON :pref_tbl (groupname);

-- Use the member table, if you need it for n:m user-group relations,
-- and adjust your DBAUTH_AUTH_ SQL statements.
CREATE TABLE :member_tbl (
	userid    CHAR(48) NOT NULL REFERENCES :pref_tbl ON DELETE CASCADE, 
	groupname CHAR(48) NOT NULL DEFAULT 'users'
);
CREATE INDEX :member_id_idx    ON :member_tbl (userid);
CREATE INDEX :member_group_idx ON :member_tbl (groupname);

-- if ACCESS_LOG_SQL > 0
-- only if you need fast log-analysis (spam prevention, recent referrers)
-- see http://www.outoforder.cc/projects/apache/mod_log_sql/docs-2.0/#id2756178
\echo Creating :accesslog_tbl
CREATE TABLE :accesslog_tbl (
        time_stamp       INT,
	remote_host      VARCHAR(50),
	remote_user      VARCHAR(50),
        request_method   VARCHAR(10),
	request_line     VARCHAR(255),
	request_args     VARCHAR(255),
	request_file     VARCHAR(255),
	request_uri      VARCHAR(255),
	request_time     CHAR(28),
	status 	         INT2,
	bytes_sent       INT4,
        referer          VARCHAR(255), 
	agent            VARCHAR(255),
	request_duration FLOAT
);
CREATE INDEX :accesslog_time_idx ON :accesslog_tbl (time_stamp);
CREATE INDEX :accesslog_host_idx ON :accesslog_tbl (remote_host);
-- create extra indices on demand (usually referer. see plugin/AccessLogSql)

--================================================================

-- Use the tsearch2 fulltextsearch extension: (recommended) 7.4, 8.0, 8.1
-- at first init it for the database:
-- $ psql phpwiki < /usr/share/postgresql/contrib/tsearch2.sql 

-- example of ISpell dictionary
--   UPDATE pg_ts_dict SET dict_initoption='DictFile="/usr/local/share/ispell/russian.dict" ,AffFile ="/usr/local/share/ispell/russian.aff", StopFile="/usr/local/share/ispell/russian.stop"' WHERE dict_name='ispell_template';
-- example of synonym dict
--   UPDATE pg_ts_dict SET dict_initoption='/usr/local/share/ispell/english.syn' WHERE dict_id=5; 

\echo Initializing tsearch2 indices
GRANT SELECT ON pg_ts_dict, pg_ts_parser, pg_ts_cfg, pg_ts_cfgmap TO :httpd_user;
ALTER TABLE :version_tbl ADD COLUMN idxFTI tsvector;
UPDATE :version_tbl SET idxFTI=to_tsvector('default', content);
VACUUM FULL ANALYZE;
CREATE INDEX idxFTI_idx ON :version_tbl USING gist(idxFTI);
VACUUM FULL ANALYZE;
CREATE TRIGGER tsvectorupdate BEFORE UPDATE OR INSERT ON :version_tbl
       FOR EACH ROW EXECUTE PROCEDURE tsearch2(idxFTI, content);

--================================================================

\echo You might want to ignore the following errors or run 
\echo /usr/sbin/createuser -S -R -d :httpd_user

\echo Applying permissions for role :httpd_user
GRANT SELECT,INSERT,UPDATE,DELETE ON :page_tbl		TO :httpd_user;
GRANT SELECT,INSERT,UPDATE,DELETE ON :version_tbl	TO :httpd_user;
GRANT SELECT,INSERT,UPDATE,DELETE ON :recent_tbl	TO :httpd_user;
GRANT SELECT,INSERT,UPDATE,DELETE ON :nonempty_tbl	TO :httpd_user;
GRANT SELECT,INSERT,UPDATE,DELETE ON :link_tbl		TO :httpd_user;

GRANT SELECT,INSERT,UPDATE,DELETE ON :session_tbl	TO :httpd_user;
-- you may want to fine tune this:
GRANT SELECT,INSERT,UPDATE,DELETE ON :pref_tbl		TO :httpd_user;
-- GRANT SELECT ON :user_tbl				TO :httpd_user;
GRANT SELECT ON :member_tbl				TO :httpd_user;
GRANT SELECT,INSERT,UPDATE,DELETE ON :rating_tbl	TO :httpd_user;
GRANT SELECT,INSERT,UPDATE,DELETE ON :accesslog_tbl	TO :httpd_user;

--================================================================
-- some stored procedures to put unneccesary syntax into the server

\echo Initializing stored procedures

CREATE OR REPLACE FUNCTION update_recent (id INT4, version INT4) 
	RETURNS void AS '
DELETE FROM recent  WHERE id=$1;
INSERT INTO recent (id, latestversion, latestmajor, latestminor)
  SELECT id, MAX(version), MAX(CASE WHEN minor_edit=0  THEN version END), 
	                   MAX(CASE WHEN minor_edit<>0 THEN version END)
    FROM version WHERE id=$2 GROUP BY id;
DELETE FROM nonempty WHERE id=$1;
INSERT INTO nonempty (id)
  SELECT recent.id
    FROM recent, version
    WHERE recent.id=version.id
          AND version=latestversion
          AND content<>''''
          AND recent.id=$1;
' LANGUAGE SQL;

CREATE OR REPLACE FUNCTION prepare_rename_page (oldid INT4, newid INT4) 
        RETURNS void AS '
DELETE FROM page     WHERE id=$2;
DELETE FROM version  WHERE id=$2;
DELETE FROM recent   WHERE id=$2;
DELETE FROM nonempty WHERE id=$2;
-- We have to fix all referring tables to the old id
UPDATE link SET linkfrom=$1 WHERE linkfrom=$2;
UPDATE link SET linkto=$1   WHERE linkto=$2;
' LANGUAGE sql;