#!/bin/sh
#
# Copyright (C) 2000-2015 Kern Sibbald
# License: BSD 2-Clause; see file LICENSE-FOSS
#
# Shell script to update PostgreSQL tables from Bacula Community version 3.0.x to 5.0.0
#
echo " "
echo "This script will update a Bacula PostgreSQL database from version 11 to 12"
echo "	which is needed to convert from Bacula Community version 3.0.x to 5.0.x"
echo " "

bindir=@POSTGRESQL_BINDIR@
PATH="$bindir:$PATH"
db_name=${db_name:-@db_name@}

DBVERSION=`psql -d ${db_name} -t --pset format=unaligned -c "select VersionId from Version" $*`
if [ $DBVERSION != 11 ] ; then
   echo " "
   echo "The existing database is version $DBVERSION !!"
   echo "This script can only update an existing version 11 database to version 12."
   echo "Error. Cannot upgrade this database."
   echo " "
   exit 1
fi

if psql -f - -d ${db_name} $* <<END-OF-DATA
BEGIN; -- Necessary for Bacula core
ALTER TABLE JobMedia DROP Copy ;
ALTER TABLE Job ADD COLUMN HasCache smallint default 0;
ALTER TABLE Job ADD COLUMN Reviewed smallint default 0;
ALTER TABLE Job ADD COLUMN Comment text;
ALTER TABLE JobHisto ADD COLUMN HasCache smallint default 0;
ALTER TABLE JobHisto ADD COLUMN Reviewed smallint default 0;
ALTER TABLE JobHisto ADD COLUMN Comment text;
UPDATE Version SET VersionId=12;
COMMIT;

BEGIN; -- Can conflict with previous Bweb installation
ALTER TABLE Status ADD COLUMN Severity int;
UPDATE Status SET Severity = 15;
UPDATE Status SET Severity = 100 where JobStatus = 'f';
UPDATE Status SET Severity = 90 where JobStatus = 'A';
UPDATE Status SET Severity = 10 where JobStatus = 'T';
UPDATE Status SET Severity = 20 where JobStatus = 'e';
UPDATE Status SET Severity = 25 where JobStatus = 'E';
COMMIT;

BEGIN; -- Can already exists if using 3.1.x release
CREATE TABLE PathHierarchy
(
     PathId integer NOT NULL,
     PPathId integer NOT NULL,
     CONSTRAINT pathhierarchy_pkey PRIMARY KEY (PathId)
);

CREATE INDEX pathhierarchy_ppathid 
	  ON PathHierarchy (PPathId);

CREATE TABLE PathVisibility
(
      PathId integer NOT NULL,
      JobId integer NOT NULL,
      Size int8 DEFAULT 0,
      Files int4 DEFAULT 0,
      CONSTRAINT pathvisibility_pkey PRIMARY KEY (JobId, PathId)
);

CREATE INDEX pathvisibility_jobid
	  ON PathVisibility (JobId);

COMMIT;

CREATE INDEX basefiles_jobid_idx ON BaseFiles ( JobId );

-- suppress output for index modification
SET client_min_messages TO 'fatal';

-- Remove bad PostgreSQL index
DROP INDEX file_fp_idx;

-- Create the good one
-- If you want to create this index during production, you can use 
-- CREATE INDEX CONCURRENTLY file_jpf_idx ON File (JobId, PathId, FilenameId)
-- to make it without locks (require PostgreSQL 8.2 version)

CREATE INDEX file_jpfid_idx on File (JobId, PathId, FilenameId);

-- restore output
SET client_min_messages TO DEFAULT;

ANALYSE;

END-OF-DATA
then
   echo "Update of Bacula PostgreSQL tables succeeded."
else
   echo "Update of Bacula PostgreSQL tables failed."
fi
exit 0