<?PHP
/*
* LimeSurvey
* Copyright (C) 2007 The LimeSurvey Project Team / Carsten Schmitz
* All rights reserved.
* License: http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
* LimeSurvey is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*
*/

// There will be a file for each database (accordingly named to the dbADO scheme)
// where based on the current database version the database is upgraded
// For this there will be a settings table which holds the last time the database was upgraded

function db_upgrade($oldversion) {
    global $modifyoutput, $databasename, $databasetabletype, $clang;


    if ($oldversion < 127) {
        modify_database("","create index answers_idx2 on prefix_answers (sortorder)"); echo $modifyoutput;  flush();@ob_flush();
        modify_database("","create index assessments_idx2 on prefix_assessments (sid)"); echo $modifyoutput;  flush();@ob_flush();
        modify_database("","create index assessments_idx on prefix_assessments (gid)"); echo $modifyoutput;  flush();@ob_flush();
        modify_database("","create index conditions_idx2 on prefix_conditions (qid)"); echo $modifyoutput;  flush();@ob_flush();
        modify_database("","create index conditions_idx3 on prefix_conditions (cqid)"); echo $modifyoutput;  flush();@ob_flush();
        modify_database("","create index groups_idx2 on prefix_groups (sid)"); echo $modifyoutput;  flush();@ob_flush();
        modify_database("","create index question_attributes_idx2 on prefix_question_attributes (qid)"); echo $modifyoutput;  flush();@ob_flush();
        modify_database("","create index questions_idx2 on prefix_questions (sid)"); echo $modifyoutput;  flush();@ob_flush();
        modify_database("","create index questions_idx3 on prefix_questions (gid)"); echo $modifyoutput;  flush();@ob_flush();
        modify_database("","create index questions_idx4 on prefix_questions (type)"); echo $modifyoutput;  flush();@ob_flush();
        modify_database("","create index quota_idx2 on prefix_quota (sid)"); echo $modifyoutput;  flush();@ob_flush();
        modify_database("","create index saved_control_idx2 on prefix_saved_control (sid)"); echo $modifyoutput;  flush();@ob_flush();
        modify_database("","create index user_in_groups_idx1 on prefix_user_in_groups (ugid, uid)"); echo $modifyoutput;  flush();@ob_flush();
        modify_database("","update prefix_settings_global set stg_value='127' where stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }

    if ($oldversion < 128) {
        //128
        upgrade_token_tables128();
        modify_database("","update prefix_settings_global set stg_value='128' where stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }

    if ($oldversion < 129) {
        //129
        modify_database("","ALTER TABLE prefix_surveys ADD startdate date"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE prefix_surveys ADD usestartdate char(1) NOT NULL default 'N'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","update prefix_settings_global set stg_value='129' where stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }

    if ($oldversion < 130)
    {
        modify_database("","ALTER TABLE prefix_conditions ADD scenario integer NOT NULL default '1'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","UPDATE prefix_conditions SET scenario=1 where (scenario is null) or scenario=0"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","update prefix_settings_global set stg_value='130' where stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }
    if ($oldversion < 131)
    {
        modify_database("","ALTER TABLE prefix_surveys ADD publicstatistics char(1) NOT NULL default 'N'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","update prefix_settings_global set stg_value='131' where stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }
    if ($oldversion < 132)
    {
        modify_database("","ALTER TABLE prefix_surveys ADD publicgraphs char(1) NOT NULL default 'N'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","update prefix_settings_global set stg_value='132' where stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }
    if ($oldversion < 133)
    {
        modify_database("","ALTER TABLE prefix_users ADD one_time_pw bytea"); echo $modifyoutput; flush();@ob_flush();

        // Add new assessment setting
        modify_database("","ALTER TABLE prefix_surveys ADD assessments char(1) NOT NULL default 'N'"); echo $modifyoutput; flush();@ob_flush();
        // add new assessment value fields to answers & labels
        modify_database("","ALTER TABLE prefix_answers ADD assessment_value integer NOT NULL default '0'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE prefix_labels ADD assessment_value integer NOT NULL default '0'"); echo $modifyoutput; flush();@ob_flush();
        // copy any valid codes from code field to assessment field
        modify_database("","update [prefix_answers set assessment_value=CAST(code as integer)");// no output here is intended
        modify_database("","update prefix_labels set assessment_value=CAST(code as integer)");// no output here is intended
        // activate assessment where assessment rules exist
        modify_database("","update prefix_surveys set assessments='Y' where sid in (SELECT sid FROM prefix_assessments group by sid)"); echo $modifyoutput; flush();@ob_flush();
        // add language field to assessment table
        modify_database("","ALTER TABLE prefix_assessments ADD language character varying(20) NOT NULL default 'en'"); echo $modifyoutput; flush();@ob_flush();
        // update language field with default language of that particular survey
        modify_database("","update prefix_assessments set language=(select language from prefix_surveys where sid=prefix_assessments.sid)"); echo $modifyoutput; flush();@ob_flush();
        // copy assessment link to message since from now on we will have HTML assignment messages
        modify_database("","update prefix_assessments set message=cast(message as character) ||'<br /><a href=\"'||link||'\">'||link||'</a>'"); echo $modifyoutput; flush();@ob_flush();
        // drop the old link field
        modify_database("","ALTER TABLE prefix_assessments DROP COLUMN link"); echo $modifyoutput; flush();@ob_flush();
        // change the primary index to include language
        modify_database("","ALTER TABLE prefix_assessments DROP CONSTRAINT prefix_assessments_pkey"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE prefix_assessments ADD CONSTRAINT prefix_assessments_pkey PRIMARY KEY (id,language)"); echo $modifyoutput; flush();@ob_flush();

        // Add new fields to survey language settings
        modify_database("","ALTER TABLE prefix_surveys_languagesettings ADD surveyls_url character varying(255)"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE prefix_surveys_languagesettings ADD surveyls_endtext text"); echo $modifyoutput; flush();@ob_flush();

        // copy old URL fields ot language specific entries
        modify_database("","update prefix_surveys_languagesettings set surveyls_url=(select url from prefix_surveys where sid=prefix_surveys_languagesettings.surveyls_survey_id)"); echo $modifyoutput; flush();@ob_flush();
        // drop old URL field
        modify_database("","ALTER TABLE prefix_surveys DROP COLUMN url"); echo $modifyoutput; flush();@ob_flush();

        modify_database("","update prefix_settings_global set stg_value='133' where stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }

    if ($oldversion < 134)
    {
        modify_database("","ALTER TABLE prefix_surveys ADD usetokens char(1) NOT NULL default 'N'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE prefix_surveys ADD attributedescriptions TEXT;"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE prefix_surveys DROP COLUMN attribute1"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE prefix_surveys DROP COLUMN attribute2"); echo $modifyoutput; flush();@ob_flush();
        upgrade_token_tables134();
        modify_database("","update prefix_settings_global set stg_value='134' where stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();

    }
    if ($oldversion < 135)
    {
        modify_database("","ALTER TABLE prefix_question_attributes ALTER COLUMN value TYPE text"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","update prefix_settings_global set stg_value='135' where stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }
    if ($oldversion < 136)
    {
        modify_database("","ALTER TABLE prefix_quota ADD autoload_url integer NOT NULL DEFAULT 0"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","CREATE TABLE prefix_quota_languagesettings (
        quotals_id serial NOT NULL,
        quotals_quota_id integer NOT NULL DEFAULT 0,
        quotals_language character varying(45) NOT NULL DEFAULT 'en'::character varying,
        quotals_name character varying(200),
        quotals_message text NOT NULL,
        quotals_url character varying(255),
        quotals_urldescrip character varying(255));"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE ONLY prefix_quota_languagesettings
        ADD CONSTRAINT prefix_quota_languagesettings_pkey PRIMARY KEY (quotals_id);"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE ONLY prefix_users ADD CONSTRAINT prefix_users_pkey PRIMARY KEY (uid)"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE ONLY prefix_users ADD CONSTRAINT prefix_user_name_key UNIQUE (users_name)"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","update prefix_settings_global set stg_value='136' where stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();

    }

    if ($oldversion < 137) //New date format specs
    {
        modify_database("", "ALTER TABLE prefix_surveys_languagesettings ADD surveyls_dateformat integer NOT NULL default 1"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_users ADD \"dateformat\" integer NOT NULL default 1"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "update prefix_surveys set startdate=null where usestartdate='N'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "update prefix_surveys set expires=null where useexpiry='N'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys DROP COLUMN usestartdate"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys DROP COLUMN useexpiry"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "update prefix_settings_global set stg_value='137' where stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }

    if ($oldversion < 138) //Modify quota field
    {
        modify_database("", "ALTER TABLE prefix_quota_members ALTER COLUMN code TYPE character varying(11)"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='138' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }

    if ($oldversion < 139) //Modify quota field
    {
        upgrade_survey_tables139();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='139' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }

    if ($oldversion < 140) //Modify surveys table
    {
        modify_database("", "ALTER TABLE prefix_surveys ADD \"emailresponseto\" TEXT"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='140' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }

    if ($oldversion < 141) //Modify surveys table
    {
        modify_database("", "ALTER TABLE prefix_surveys ADD \"tokenlength\" smallint NOT NULL DEFAULT '15'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='141' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }

    if ($oldversion < 142) //Modify surveys table
    {
        upgrade_question_attributes142();
        modify_database("", "ALTER TABLE prefix_surveys ALTER COLUMN \"startdate\" TYPE timestamp"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ALTER COLUMN \"expires\" TYPE timestamp"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "UPDATE prefix_question_attributes SET value='0' WHERE value='false'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "UPDATE prefix_question_attributes SET value='1' WHERE value='true'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='142' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }
    if ($oldversion < 143) //Modify surveys table
    {
        modify_database("", "ALTER TABLE prefix_questions ADD parent_qid integer NOT NULL default '0'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_answers ADD scale_id smallint NOT NULL default '0'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_questions ADD scale_id smallint NOT NULL default '0'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_questions ADD same_default smallint NOT NULL default '0'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_answers DROP CONSTRAINT prefix_answers_pkey"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_answers ADD CONSTRAINT prefix_answers_pkey PRIMARY KEY (qid,code,language,scale_id)"); echo $modifyoutput; flush();@ob_flush();

        modify_database("", "CREATE TABLE prefix_defaultvalues (
        qid integer NOT NULL default '0',
        scale_id integer NOT NULL default '0',
        sqid integer NOT NULL default '0',
        language character varying(20) NOT NULL,
        specialtype character varying(20) NOT NULL default '',
        defaultvalue text)"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE prefix_defaultvalues ADD CONSTRAINT prefix_defaultvalues_pkey PRIMARY KEY (qid , scale_id, language, specialtype, sqid)"); echo $modifyoutput; flush();@ob_flush();

        // -Move all 'answers' that are subquestions to the questions table
        // -Move all 'labels' that are answers to the answers table
        // -Transscribe the default values where applicable
        // -Move default values from answers to questions
        upgrade_tables143();

        modify_database("", "ALTER TABLE prefix_answers DROP COLUMN default_value"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_questions DROP COLUMN lid"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_questions DROP COLUMN lid1"); echo $modifyoutput; flush();@ob_flush();
        // add field for timings and table for extended conditions
        modify_database("", "CREATE TABLE prefix_sessions(
        sesskey character varying( 64 ) NOT NULL DEFAULT '',
        expiry TIMESTAMP NOT NULL ,
        expireref character varying( 250 ) DEFAULT '',
        created TIMESTAMP NOT NULL ,
        modified TIMESTAMP NOT NULL ,
        sessdata TEXT DEFAULT '',
        PRIMARY KEY ( sesskey )
        );"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "create INDEX sess2_expiry on prefix_sessions( expiry );"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "create INDEX sess2_expireref on prefix_sessions ( expireref );"); echo $modifyoutput; flush();@ob_flush();

        modify_database("", "UPDATE prefix_settings_global SET stg_value='143' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();


    }
    if ($oldversion < 145)
    {
        modify_database("", "ALTER TABLE prefix_surveys ADD savetimings CHAR(1) NULL default 'N'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD \"showXquestions\" CHAR(1) NULL default 'Y'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD showgroupinfo CHAR(1) NULL default 'B'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD shownoanswer CHAR(1) NULL default 'Y'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD showqnumcode CHAR(1) NULL default 'X'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD bouncetime bigint NULL"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD bounceprocessing character varying(1) NULL default 'N'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD bounceaccounttype character varying(4) NULL"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD bounceaccounthost character varying(200) NULL"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD bounceaccountpass character varying(100) NULL"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD bounceaccountencryption character varying(3) NULL"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD bounceaccountuser character varying(200) NULL"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD showwelcome CHAR(1) NULL default 'Y'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD showprogress CHAR(1) NULL default 'Y'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD allowjumps CHAR(1) NULL default 'N'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD navigationdelay smallint NOT NULL default '0'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD nokeyboard char(1) default 'N'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_surveys ADD alloweditaftercompletion char(1) default 'N'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "CREATE TABLE prefix_survey_permissions (
        sid integer DEFAULT 0 NOT NULL,
        uid integer DEFAULT 0 NOT NULL,
        permission character varying(20) NOT NULL,
        create_p integer DEFAULT 0 NOT NULL,
        read_p integer DEFAULT 0 NOT NULL,
        update_p integer DEFAULT 0 NOT NULL,
        delete_p integer DEFAULT 0 NOT NULL,
        import_p integer DEFAULT 0 NOT NULL,
        export_p integer DEFAULT 0 NOT NULL
        );"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE ONLY prefix_survey_permissions ADD CONSTRAINT prefix_survey_permissions_pkey PRIMARY KEY (sid,uid,permission);"); echo $modifyoutput; flush();@ob_flush();
        upgrade_surveypermissions_table145();

        // drop the old survey rights table
        modify_database("", "DROP TABLE prefix_surveys_rights"); echo $modifyoutput; flush();@ob_flush();

        // Add new fields for email templates
        modify_database("", "ALTER TABLE prefix_surveys_languagesettings ADD email_admin_notification_subj character varying(255)");
        modify_database("", "ALTER TABLE prefix_surveys_languagesettings ADD email_admin_responses_subj character varying(255)");
        modify_database("", "ALTER TABLE prefix_surveys_languagesettings ADD email_admin_notification text");
        modify_database("", "ALTER TABLE prefix_surveys_languagesettings ADD email_admin_responses text");

        //Add index to questions table to speed up subquestions
        modify_database("", "create INDEX parent_qid_idx on prefix_questions( parent_qid );"); echo $modifyoutput; flush();@ob_flush();

        modify_database("", "ALTER TABLE prefix_surveys ADD emailnotificationto text DEFAULT NULL"); echo $modifyoutput; flush();@ob_flush();
        upgrade_survey_table145();
        modify_database("", "ALTER TABLE prefix_surveys DROP COLUMN notification"); echo $modifyoutput; flush();@ob_flush();

        modify_database("","ALTER TABLE prefix_conditions ALTER COLUMN method TYPE CHAR(5)"); echo $modifyoutput; flush();@ob_flush();

        modify_database("","UPDATE prefix_surveys set private='N' where private is NULL;"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE prefix_surveys RENAME COLUMN private TO anonymized;"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE prefix_surveys ALTER COLUMN anonymized TYPE char(1);"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE prefix_surveys ALTER COLUMN anonymized SET DEFAULT 'N';"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE prefix_surveys ALTER COLUMN anonymized SET NOT NULL ;"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "CREATE TABLE prefix_failed_login_attempts (
        id serial PRIMARY KEY NOT NULL,
        ip character varying(37) NOT NULL,
        last_attempt character varying(20) NOT NULL,
        number_attempts integer NOT NULL
        );"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE  prefix_surveys_languagesettings ADD surveyls_numberformat integer default 0 NOT NULL"); echo $modifyoutput; flush();@ob_flush();
        upgrade_token_tables145();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='145' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }

    if ($oldversion < 146) //Modify surveys table
    {
        upgrade_timing_tables146();
        modify_database("", "INSERT into prefix_survey_permissions (sid,uid,permission,read_p,update_p) SELECT sid,owner_id,'translations','1','1' from prefix_surveys"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='146' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }

    if ($oldversion < 147)
    {
        modify_database("", "ALTER TABLE prefix_users ADD templateeditormode character varying(7) NOT NULL DEFAULT 'default'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "ALTER TABLE prefix_users ADD questionselectormode character varying(7) NOT NULL DEFAULT 'default'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='147' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }
    if ($oldversion < 148)
    {
        modify_database("","ALTER TABLE prefix_users ADD participant_panel integer NOT NULL default '0'"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","CREATE TABLE prefix_participants (
        participant_id character varying( 50 ) NOT NULL,
        firstname character varying( 40 ) NOT NULL,
        lastname character varying( 40 ) NOT NULL,
        email character varying( 80 ) NOT NULL,
        language character varying( 2 ) NOT NULL,
        blacklisted character varying( 1 ) NOT NULL,
        owner_uid integer NOT NULL,
        PRIMARY KEY (participant_id)
        );"); echo $modifyoutput; flush();@ob_flush();

        modify_database("","CREATE TABLE prefix_participant_attribute (
        participant_id character varying( 50 ) NOT NULL,
        attribute_id integer NOT NULL,
        value integer NOT NULL,
        PRIMARY KEY (participant_id,attribute_id)
        );"); echo $modifyoutput; flush();@ob_flush();

        modify_database("",'CREATE TABLE prefix_participant_attribute_names (
        "attribute_id" serial NOT NULL,
        "attribute_type" character varying( 30 ) NOT NULL,
        "visible" character varying( 5 ) NOT NULL,
        CONSTRAINT prefix_participant_attribute_names_pkey PRIMARY KEY (attribute_id, attribute_type)
        );'); echo $modifyoutput; flush();@ob_flush();

        modify_database("",'CREATE TABLE prefix_participant_attribute_names_lang (
        "id" serial PRIMARY KEY NOT NULL,
        "attribute_id" integer NOT NULL,
        "attribute_name" character varying( 30 ) NOT NULL,
        "lang" character varying( 20 ) NOT NULL
        );'); echo $modifyoutput; flush();@ob_flush();

        modify_database("",'CREATE TABLE prefix_participant_attribute_values (
        "value_id" serial PRIMARY KEY NOT NULL,
        "attribute_id" integer NOT NULL,
        "value" character varying( 20 ) NOT NULL
        );'); echo $modifyoutput; flush();@ob_flush();

        modify_database("",'CREATE TABLE prefix_participant_shares (
        "participant_id" character varying( 50 ) NOT NULL,
        "shared_uid" integer NOT NULL,
        "date_added" date NOT NULL,
        "can_edit" character varying( 5 ) NOT NULL,
        CONSTRAINT prefix_participant_shares_pkey PRIMARY KEY (participant_id,shared_uid)
        );'); echo $modifyoutput; flush();@ob_flush();

        modify_database("","CREATE TABLE prefix_survey_links (
        participant_id character varying( 50 ) NOT NULL,
        token_id integer NOT NULL,
        survey_id integer NOT NULL,
        date_created date NOT NULL,
        PRIMARY KEY (participant_id,token_id,survey_id)
        );"); echo $modifyoutput; flush();@ob_flush();

        // add language field to question_attributes table
        modify_database("","ALTER TABLE prefix_question_attributes ADD language character varying(20)"); echo $modifyoutput; flush();@ob_flush();
        upgrade_question_attributes148();
        fixSubquestions();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='148' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();

    }

    if ($oldversion < 150)
    {
        modify_database("","ALTER TABLE prefix_questions ADD relevance TEXT;"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='150' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }
    if ($oldversion < 151)
    {
        modify_database("","ALTER TABLE prefix_groups ADD randomization_group character varying(20) NOT NULL DEFAULT '';"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='151' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }
    if ($oldversion < 152)
    {
        modify_database("","CREATE INDEX question_attributes_idx3 ON prefix_question_attributes (attribute);"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='152' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }
    if ($oldversion < 153)
    {
        modify_database("",'CREATE TABLE prefix_expression_errors (
        "id" serial PRIMARY KEY NOT NULL,
        errortime character varying(50) DEFAULT NULL,
        sid integer DEFAULT NULL,
        gid integer DEFAULT NULL,
        qid integer DEFAULT NULL,
        gseq integer DEFAULT NULL,
        qseq integer DEFAULT NULL,
        "type" character varying(50) ,
        eqn text,
        prettyprint text
        );'); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='153' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }
    if ($oldversion < 154)
    {
        modify_database("","ALTER TABLE prefix_groups ADD grelevance text DEFAULT NULL;"); echo $modifyoutput; flush();@ob_flush();
        modify_database("", "UPDATE prefix_settings_global SET stg_value='154' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }
    if ($oldversion < 155)
    {
        modify_database("","ALTER TABLE prefix_surveys ADD googleanalyticsstyle char(1) DEFAULT NULL;"); echo $modifyoutput; flush();@ob_flush();
        modify_database("","ALTER TABLE prefix_surveys ADD googleanalyticsapikey character varying(25) DEFAULT NULL;"); echo $modifyoutput; flush();@ob_flush();
        modify_database("",'ALTER TABLE prefix_surveys RENAME COLUMN "showXquestions" TO "showxquestions";');
        modify_database("","UPDATE prefix_settings_global SET stg_value='155' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }
    if ($oldversion < 155.6)
    {
        LimeExpressionManager::UpgradeConditionsToRelevance();
        modify_database("","UPDATE prefix_settings_global SET stg_value='155.6' WHERE stg_name='DBVersion'"); echo $modifyoutput; flush();@ob_flush();
    }

    fixLanguageConsistencyAllSurveys();
    echo '<br /><br />'.sprintf($clang->gT('Database update finished (%s)'),date('Y-m-d H:i:s')).'<br />';
    return true;
}

function upgrade_token_tables128()
{
    global $modifyoutput,$dbprefix;
    $surveyidquery = db_select_tables_like($dbprefix."tokens%");
    $surveyidresult = db_execute_num($surveyidquery);
    if (!$surveyidresult) {return "Database Error";}
    else
    {
        while ( $sv = $surveyidresult->FetchRow() )
        {
            modify_database("","ALTER TABLE ".$sv['0']." ADD remindersent character varying(17) DEFAULT 'N'"); echo $modifyoutput; flush();@ob_flush();
            modify_database("","ALTER TABLE ".$sv['0']." ADD remindercount INTEGER DEFAULT 0"); echo $modifyoutput; flush();@ob_flush();
        }
    }
}

function fixLanguageConsistencyAllSurveys()
{

    $surveyidquery = "SELECT sid, additional_languages FROM ".db_table_name('surveys');
    $surveyidresult = db_execute_num($surveyidquery);
    while ( $sv = $surveyidresult->FetchRow() )
    {
        FixLanguageConsistency($sv[0]);
    }
}

function upgrade_token_tables134()
{
    global $modifyoutput,$dbprefix;
    $surveyidquery = db_select_tables_like($dbprefix."tokens%");
    $surveyidresult = db_execute_num($surveyidquery);
    if (!$surveyidresult) {return "Database Error";}
    else
    {
        while ( $sv = $surveyidresult->FetchRow() )
        {
            modify_database("","ALTER TABLE ".$sv[0]." ADD validfrom timestamp"); echo $modifyoutput; flush();@ob_flush();
            modify_database("","ALTER TABLE ".$sv[0]." ADD validuntil timestamp"); echo $modifyoutput; flush();@ob_flush();
        }
    }
}
// Add the usesleft field to all existing token tables
function upgrade_token_tables145()
{
    global $modifyoutput,$dbprefix;
    $surveyidquery = db_select_tables_like($dbprefix."tokens%");
    $surveyidresult = db_execute_num($surveyidquery);
    if (!$surveyidresult) {return "Database Error";}
    else
    {
        while ( $sv = $surveyidresult->FetchRow() )
        {
            modify_database("","ALTER TABLE ".$sv[0]." ADD usesleft integer DEFAULT 1 NOT NULL"); echo $modifyoutput; flush();@ob_flush();
            modify_database("","UPDATE ".$sv[0]." SET usesleft=0 WHERE completed<>'N'"); echo $modifyoutput; flush();@ob_flush();
        }
    }
}

function upgrade_survey_tables139()
{
    global $modifyoutput,$dbprefix;
    $surveyidquery = db_select_tables_like($dbprefix."survey\_%");
    $surveyidresult = db_execute_num($surveyidquery);
    if (!$surveyidresult) {return "Database Error";}
    else
    {
        while ( $sv = $surveyidresult->FetchRow() )
        {
            modify_database("","ALTER TABLE ".$sv[0]." ADD lastpage integer"); echo $modifyoutput; flush();@ob_flush();
        }
    }
}

function upgrade_question_attributes142()
{
    global $modifyoutput,$dbprefix, $connect;
    $attributequery="Select qid from {$dbprefix}question_attributes where attribute='exclude_all_other' group by qid having count(qid)>1 ";
    $questionids = db_select_column($attributequery);
    foreach ($questionids as $questionid)
    {
        //Select all affected question attributes
        $attributevalues=db_select_column("SELECT value from {$dbprefix}question_attributes where attribute='exclude_all_other' and qid=".$questionid);
        modify_database("","delete from {$dbprefix}question_attributes where attribute='exclude_all_other' and qid=".$questionid); echo $modifyoutput; flush();@ob_flush();
        $record['value']=implode(';',$attributevalues);
        $record['attribute']='exclude_all_other';
        $record['qid']=$questionid;
        $connect->AutoExecute("{$dbprefix}question_attributes", $record, 'INSERT');
    }
}

function upgrade_tables143()
{
    global $modifyoutput,$dbprefix, $connect;


    $aQIDReplacements=array();
    $answerquery = "select a.*, q.sid, q.gid from {$dbprefix}answers a,{$dbprefix}questions q where a.qid=q.qid and q.type in ('L','O','!') and a.default_value='Y'";
    $answerresult = db_execute_assoc($answerquery);
    if (!$answerresult) {return "Database Error";}
    else
    {
        while ( $row = $answerresult->FetchRow() )
        {
            modify_database("","INSERT INTO {$dbprefix}defaultvalues (qid, scale_id,language,specialtype,defaultvalue) VALUES ({$row['qid']},0,".db_quoteall($row['language']).",'',".db_quoteall($row['code']).")"); echo $modifyoutput; flush();@ob_flush();
        }
    }

    // Convert answers to subquestions

    $answerquery = "select a.*, q.sid, q.gid, q.type from {$dbprefix}answers a,{$dbprefix}questions q where a.qid=q.qid and a.language=q.language and q.type in ('1','A','B','C','E','F','H','K',';',':','M','P','Q')";
    $answerresult = db_execute_assoc($answerquery);
    if (!$answerresult) {return "Database Error";}
    else
    {
        while ( $row = $answerresult->FetchRow() )
        {

            $insertarray=array();
            if (isset($aQIDReplacements[$row['qid'].'_'.$row['code']]))
            {
                $insertarray['qid']=$aQIDReplacements[$row['qid'].'_'.$row['code']];
            }
            $insertarray['sid']=$row['sid'];
            $insertarray['gid']=$row['gid'];
            $insertarray['parent_qid']=$row['qid'];
            $insertarray['type']=$row['type'];
            $insertarray['title']=$row['code'];
            $insertarray['question']=$row['answer'];
            $insertarray['question_order']=$row['sortorder'];
            $insertarray['language']=$row['language'];
            $tablename="{$dbprefix}questions";
            $query=$connect->GetInsertSQL($tablename,$insertarray);
            modify_database("",$query); echo $modifyoutput; flush();@ob_flush();
            if (!isset($insertarray['qid']))
            {
                $aQIDReplacements[$row['qid'].'_'.$row['code']]=$connect->Insert_ID("{$dbprefix}questions","qid");
                $iSaveSQID=$aQIDReplacements[$row['qid'].'_'.$row['code']];
            }
            else
            {
                $iSaveSQID=$insertarray['qid'];
            }
            if (($row['type']=='M' || $row['type']=='P') && $row['default_value']=='Y')
            {
                modify_database("","INSERT INTO {$dbprefix}defaultvalues (qid, sqid, scale_id,language,specialtype,defaultvalue) VALUES ({$row['qid']},{$iSaveSQID},0,".db_quoteall($row['language']).",'','Y')"); echo $modifyoutput; flush();@ob_flush();
            }
        }
    }
    modify_database("","delete from {$dbprefix}answers using {$dbprefix}questions where {$dbprefix}answers.qid={$dbprefix}questions.qid and {$dbprefix}questions.type in ('1','F','H','M','P','W','Z')"); echo $modifyoutput; flush();@ob_flush();

    // Convert labels to answers
    $answerquery = "select qid ,type ,lid ,lid1, language from {$dbprefix}questions where parent_qid=0 and type in ('1','F','H','M','P','W','Z')";
    $answerresult = db_execute_assoc($answerquery);
    if (!$answerresult)
    {
        return "Database Error";
    }
    else
    {
        while ( $row = $answerresult->FetchRow() )
        {
            $labelquery="Select * from {$dbprefix}labels where lid={$row['lid']} and language=".db_quoteall($row['language']);
            $labelresult = db_execute_assoc($labelquery);
            while ( $lrow = $labelresult->FetchRow() )
            {
                modify_database("","INSERT INTO {$dbprefix}answers (qid, code, answer, sortorder, language, assessment_value) VALUES ({$row['qid']},".db_quoteall($lrow['code']).",".db_quoteall($lrow['title']).",{$lrow['sortorder']},".db_quoteall($lrow['language']).",{$lrow['assessment_value']})"); echo $modifyoutput; flush();@ob_flush();
                //$labelids[]
            }
            if ($row['type']=='1')
            {
                $labelquery="Select * from {$dbprefix}labels where lid={$row['lid1']} and language=".db_quoteall($row['language']);
                $labelresult = db_execute_assoc($labelquery);
                while ( $lrow = $labelresult->FetchRow() )
                {
                    modify_database("","INSERT INTO {$dbprefix}answers (qid, code, answer, sortorder, language, scale_id, assessment_value) VALUES ({$row['qid']},".db_quoteall($lrow['code']).",".db_quoteall($lrow['title']).",{$lrow['sortorder']},".db_quoteall($lrow['language']).",1,{$lrow['assessment_value']})"); echo $modifyoutput; flush();@ob_flush();
                }
            }
        }
    }

    // Convert labels to subquestions
    $answerquery = "select * from {$dbprefix}questions where parent_qid=0 and type in (';',':')";
    $answerresult = db_execute_assoc($answerquery);
    if (!$answerresult)
    {
        return "Database Error";
    }
    else
    {
        while ( $row = $answerresult->FetchRow() )
        {
            $labelquery="Select * from {$dbprefix}labels where lid={$row['lid']} and language=".db_quoteall($row['language']);
            $labelresult = db_execute_assoc($labelquery);
            while ( $lrow = $labelresult->FetchRow() )
            {
                $insertarray=array();
                if (isset($aQIDReplacements[$row['qid'].'_'.$lrow['code'].'_1']))
                {
                    $insertarray['qid']=$aQIDReplacements[$row['qid'].'_'.$lrow['code'].'_1'];
                }
                $insertarray['sid']=$row['sid'];
                $insertarray['gid']=$row['gid'];
                $insertarray['parent_qid']=$row['qid'];
                $insertarray['type']=$row['type'];
                $insertarray['title']=$lrow['code'];
                $insertarray['question']=$lrow['title'];
                $insertarray['question_order']=$lrow['sortorder'];
                $insertarray['language']=$lrow['language'];
                $insertarray['scale_id']=1;
                $tablename="{$dbprefix}questions";
                $query=$connect->GetInsertSQL($tablename,$insertarray);
                modify_database("",$query); echo $modifyoutput; flush();@ob_flush();
                if (isset($insertarray['qid']))
                {
                    $aQIDReplacements[$row['qid'].'_'.$lrow['code'].'_1']=$connect->Insert_ID("{$dbprefix}questions","qid");
                }
            }
        }
    }


    $updatequery = "update {$dbprefix}questions set type='!' where type='W'";
    modify_database("",$updatequery); echo $modifyoutput; flush();@ob_flush();
    $updatequery = "update {$dbprefix}questions set type='L' where type='Z'";
    modify_database("",$updatequery); echo $modifyoutput; flush();@ob_flush();

    // Now move all non-standard templates to the /upload dir
    global $usertemplaterootdir, $standardtemplates,$standardtemplaterootdir;

    if (!$usertemplaterootdir) {die("gettemplatelist() no template directory");}
    if ($handle = opendir($standardtemplaterootdir))
    {
        while (false !== ($file = readdir($handle)))
        {
            if (!is_file("$standardtemplaterootdir/$file") && $file != "." && $file != ".." && $file!=".svn" && !isStandardTemplate($file))
            {
                if (!rename($standardtemplaterootdir.DIRECTORY_SEPARATOR.$file,$usertemplaterootdir.DIRECTORY_SEPARATOR.$file))
                {
                    echo "There was a problem moving directory '".$standardtemplaterootdir.DIRECTORY_SEPARATOR.$file."' to '".$usertemplaterootdir.DIRECTORY_SEPARATOR.$file."' due to missing permissions. Please do this manually.<br />";
                };
            }
        }
        closedir($handle);
    }

}

function upgrade_timing_tables146()
{
    global $modifyoutput,$dbprefix, $connect;
    $aTimingTables=$connect->MetaTables('TABLES',false, "%timings");
    foreach ($aTimingTables as $sTable) {
        modify_database("","ALTER TABLE {$sTable} RENAME COLUMN \"interviewTime\" TO interviewtime;"); echo $modifyoutput; flush();@ob_flush();
    }
}