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initial work on mysql view

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Nathan Coad
2016-05-27 09:15:04 +10:00
parent df87648071
commit 48f5b4aa0b
2 changed files with 90 additions and 0 deletions
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80
booking.regn_node.inc
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@@ -12,6 +12,86 @@ function booking_node_presave($node) {
}
}
/**
* Function to create a mysql view of a complete person
* This is still in test phase and does not return any value
*
* @param
* @return
*/
function _booking_node_create_mysqlview()
{
global $event;
$studygroups = array();
$query = db_select('booking_person', 'p');
//add price info
$query->join('booking_price', 'pr', 'p.booking_payment_id = pr.pid');
//add travel form info if it exists
$query->leftJoin('booking_travel', 't', 'p.nid = t.booking_person_nid');
//add the joins for room allocation info if enabled
if (variable_get('booking_enable_roomallocations', 0) == 1) {
$query->leftJoin('booking_room_mapping', 'rm', 'p.nid = rm.booking_nodeid');
$query->leftJoin('booking_room_definition', 'r', 'rm.booking_roomid = r.rid');
$query->leftJoin('booking_room_locations', 'l', 'l.lid = r.booking_room_location_id');
}
//add the joins to flatten out study groups into columns
if (variable_get('booking_enable_studygroups', 0) == 1) {
//get details of the study groups defined for this event
//but when this function gets called we don't have the global $event variable populated, so do the join here ourselves
$studygroups_query = db_query("SELECT * FROM {booking_studygroup_list} l INNER JOIN {booking_event} e ON l.booking_eventid = e.eid WHERE e.booking_event_active=1");
$studygroups = $studygroups_query->fetchAllAssoc('sid');
foreach ($studygroups as $studygroup) {
$id = $studygroup->sid;
$query->leftJoin('booking_studygroup_mapping', 's' . $id, 'p.nid = s' . $id . '.booking_node_id and s' . $id . '.booking_studygroup_id = ' . $id);
}
}
//filter the results either by current active event
$query->condition('p.booking_eventid', $event->eid, '=');
//add the database fields we always want to retrieve
$query->fields('p')
->fields('t')
->fields('pr', array('booking_price', 'booking_price_descrip','booking_late_price'));
if (variable_get('booking_enable_roomallocations', 0) == 1) {
$query->fields('rm', array('booking_room_bedtype'))
->fields('r', array('rid', 'booking_room_location_id', 'booking_room_number'))
->fields('l');
}
//now add the study group fields if applicable
if (variable_get('booking_enable_studygroups', 0) == 1) {
foreach ($studygroups as $studygroup)
{
$id = $studygroup->sid;
$query->addField('s' . $id, 'booking_session_id', 'session' . $id);
$query->addField('s' . $id, 'booking_studygroup_role', 'session' . $id . '_role');
}
}
//now that we have built the query as a SelectObject, turn it into a string we can use to create a view
$querystring=$query->__toString();
$querystring=str_replace("{",'',$querystring);
$querystring=str_replace("}",'',$querystring);
foreach($query->getArguments() as $key=> $item) {
if(!$item) {
$item = 'NULL';
}
$querystring=str_replace($key.')',$item.')',$querystring);
}
$querystring = "CREATE OR REPLACE VIEW booking_person_view AS " . $querystring;
watchdog('booking_debug', "<pre>Booking Person View creation query string:\n@info</pre>", array('@info' => print_r($querystring, true)));
$viewquery = db_query($querystring);
$result = $viewquery->fetchObject();
watchdog('booking_debug', "<pre>Booking Person View creation result:\n@info</pre>", array('@info' => print_r($result, true)));
}
/**
* Function to query the database for the complete object representing a registration
*