function chat_upgrade($oldversion)
{
// This function does anything necessary to upgrade
// older versions to match current functionality
global $CFG;
if ($oldversion < 2003072100) {
modify_database("", " INSERT INTO prefix_log_display (module, action, mtable, field) VALUES ('chat', 'report', 'chat', 'name'); ");
}
if ($oldversion < 2003072101) {
table_column("chat", "messages", "keepdays", "integer", "10", "unsigned", "0", "not null");
}
if ($oldversion < 2003072102) {
table_column("chat", "", "studentlogs", "integer", "4", "unsigned", "0", "not null", "keepdays");
}
if ($oldversion < 2003072500) {
table_column("chat", "", "chattime", "integer", "10", "unsigned", "0", "not null", "studentlogs");
table_column("chat", "", "schedule", "integer", "4", "", "0", "not null", "studentlogs");
}
if ($oldversion < 2004022300) {
table_column("chat_messages", "", "groupid", "integer", "10", "unsigned", "0", "not null", "userid");
table_column("chat_users", "", "groupid", "integer", "10", "unsigned", "0", "not null", "userid");
}
if ($oldversion < 2004042500) {
include_once "{$CFG->dirroot}/mod/chat/lib.php";
chat_refresh_events();
}
if ($oldversion < 2004043000) {
modify_database("", "INSERT INTO prefix_log_display (module, action, mtable, field) VALUES ('chat', 'talk', 'chat', 'name');");
}
if ($oldversion < 2004111200) {
execute_sql("ALTER TABLE {$CFG->prefix}chat DROP INDEX `course`;", false);
execute_sql("ALTER TABLE {$CFG->prefix}chat_messages DROP INDEX `chatid`;", false);
execute_sql("ALTER TABLE {$CFG->prefix}chat_messages DROP INDEX `userid`;", false);
execute_sql("ALTER TABLE {$CFG->prefix}chat_messages DROP INDEX `groupid`;", false);
execute_sql("ALTER TABLE {$CFG->prefix}chat_users DROP INDEX `chatid`;", false);
execute_sql("ALTER TABLE {$CFG->prefix}chat_users DROP INDEX `groupid`;", false);
modify_database('', 'ALTER TABLE prefix_chat ADD INDEX `course` (`course`);');
modify_database('', 'ALTER TABLE prefix_chat_messages ADD INDEX `chatid` (`chatid`);');
modify_database('', 'ALTER TABLE prefix_chat_messages ADD INDEX `userid` (`userid`);');
modify_database('', 'ALTER TABLE prefix_chat_messages ADD INDEX `groupid` (`groupid`);');
modify_database('', 'ALTER TABLE prefix_chat_users ADD INDEX `chatid` (`chatid`);');
modify_database('', 'ALTER TABLE prefix_chat_users ADD INDEX `groupid` (`groupid`);');
}
if ($oldversion < 2005020300) {
table_column('chat_users', '', 'course', 'integer', '10', 'unsigned', '0', 'not null', '');
table_column('chat_users', '', 'lang', 'varchar', '10', '', '', 'not null', '');
}
////// DO NOT ADD NEW THINGS HERE!! USE upgrade.php and the lib/ddllib.php functions.
return true;
}
function chat_upgrade($oldversion)
{
// This function does anything necessary to upgrade
// older versions to match current functionality
global $CFG;
if ($oldversion < 2004022300) {
table_column("chat_messages", "", "groupid", "integer", "10", "unsigned", "0", "not null", "userid");
table_column("chat_users", "", "groupid", "integer", "10", "unsigned", "0", "not null", "userid");
}
if ($oldversion < 2004042500) {
include_once "{$CFG->dirroot}/mod/chat/lib.php";
chat_refresh_events();
}
if ($oldversion < 2004043000) {
modify_database("", "INSERT INTO prefix_log_display (module, action, mtable, field) VALUES ('chat', 'talk', 'chat', 'name');");
}
if ($oldversion < 2004111200) {
//drop them first to avoid collisions with upgrades from 1.4.2+
execute_sql("DROP INDEX {$CFG->prefix}chat_course_idx;", false);
execute_sql("DROP INDEX {$CFG->prefix}chat_messages_chatid_idx;", false);
execute_sql("DROP INDEX {$CFG->prefix}chat_messages_userid_idx;", false);
execute_sql("DROP INDEX {$CFG->prefix}chat_messages_groupid_idx;", false);
execute_sql("DROP INDEX {$CFG->prefix}chat_messages_timemodifiedchatid_idx;", false);
execute_sql("DROP INDEX {$CFG->prefix}chat_users_chatid_idx;", false);
execute_sql("DROP INDEX {$CFG->prefix}chat_users_userid_idx;", false);
execute_sql("DROP INDEX {$CFG->prefix}chat_users_groupid_idx;", false);
execute_sql("DROP INDEX {$CFG->prefix}chat_users_lastping_idx;", false);
modify_database('', 'CREATE INDEX prefix_chat_course_idx ON prefix_chat(course);');
modify_database('', 'CREATE INDEX prefix_chat_messages_chatid_idx ON prefix_chat_messages (chatid);');
modify_database('', 'CREATE INDEX prefix_chat_messages_userid_idx ON prefix_chat_messages (userid);');
modify_database('', 'CREATE INDEX prefix_chat_messages_groupid_idx ON prefix_chat_messages (groupid);');
modify_database('', 'CREATE INDEX prefix_chat_messages_timemodifiedchatid_idx ON prefix_chat_messages(timestamp,chatid);');
modify_database('', 'CREATE INDEX prefix_chat_users_chatid_idx ON prefix_chat_users (chatid);');
modify_database('', 'CREATE INDEX prefix_chat_users_userid_idx ON prefix_chat_users (userid);');
modify_database('', 'CREATE INDEX prefix_chat_users_groupid_idx ON prefix_chat_users (groupid);');
modify_database('', 'CREATE INDEX prefix_chat_users_lastping_idx ON prefix_chat_users (lastping);');
}
if ($oldversion < 2005020300) {
table_column('chat_users', '', 'course', 'integer', '10', 'unsigned', '0', 'not null', '');
table_column('chat_users', '', 'lang', 'varchar', '10', '', '', 'not null', '');
}
if ($oldversion < 2005031001) {
// Mass cleanup of bad upgrade scripts
modify_database('', 'ALTER TABLE prefix_chat_users ALTER course SET NOT NULL');
modify_database('', 'ALTER TABLE prefix_chat_users ALTER lang SET NOT NULL');
}
////// DO NOT ADD NEW THINGS HERE!! USE upgrade.php and the lib/ddllib.php functions.
return true;
}
