diff --git a/app/classes/component.php b/app/classes/component.php
index 9682336..341f4d8 100644
--- a/app/classes/component.php
+++ b/app/classes/component.php
@@ -2,11 +2,9 @@
 
 class Component {
     private $db;
-    private $queries;
 
     public function __construct($database) {
         $this->db = $database->getConnection();
-//        $this->queries = include('queries.php');
     }
 
 
@@ -25,17 +23,20 @@ class Component {
         $until_time = htmlspecialchars(strip_tags($until_time));
 
         // list of jitsi component events
-        $sql = "SELECT jitsi_component, loglevel, time, component_id, event_type, event_param
-                FROM
-                    jitsi_components
-                WHERE
-                    jitsi_component = %s
-                AND
-                    component_id = %s
-                AND
-                    (time >= '%s 00:00:00' AND time <= '%s 23:59:59')
-                ORDER BY
-                    time";
+        $sql = "
+SELECT
+    jitsi_component, loglevel, time, component_id, event_type, event_param
+FROM
+    jitsi_components
+WHERE
+    jitsi_component = %s
+AND
+    component_id = %s
+AND
+    (time >= '%s 00:00:00' AND time <= '%s 23:59:59')
+ORDER BY
+    time";
+
         $sql = sprintf($sql, $jitsi_component, $component_id, $from_time, $until_time);
 
         $query = $this->db->prepare($sql);
diff --git a/app/classes/conference.php b/app/classes/conference.php
index c87fb34..4a5813e 100644
--- a/app/classes/conference.php
+++ b/app/classes/conference.php
@@ -2,11 +2,9 @@
 
 class Conference {
     private $db;
-    private $queries;
 
     public function __construct($database) {
         $this->db = $database->getConnection();
-        $this->queries = include('queries.php');
     }
 
 
@@ -25,7 +23,52 @@ class Conference {
         // this is needed for compatibility with the bash version, so we use '%s' placeholders
         $from_time = htmlspecialchars(strip_tags($from_time));
         $until_time = htmlspecialchars(strip_tags($until_time));
-        $sql = $this->queries['conference_by_id'];
+
+        // search for a conference by its ID for a time period (if given)
+        $sql = "
+SELECT
+    pe.time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    pe.loglevel,
+    pe.event_type,
+    p.endpoint_id AS participant_id,
+    pe.event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+LEFT JOIN
+    participants p ON c.conference_id = p.conference_id
+LEFT JOIN
+    participant_events pe ON p.endpoint_id = pe.participant_id
+WHERE
+    c.conference_id = '%s'
+AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
+
+UNION
+
+SELECT
+    ce.time AS event_time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    ce.loglevel,
+    ce.conference_event AS event_type,
+    NULL AS participant_id,
+    ce.conference_param AS event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+WHERE
+    c.conference_id = '%s'
+AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
+
+ORDER BY
+    pe.time";
+
         $sql = sprintf($sql, $conference_id, $from_time, $until_time, $conference_id, $from_time, $until_time);
 
         $query = $this->db->prepare($sql);
@@ -50,7 +93,52 @@ class Conference {
         // this is needed for compatibility with the bash version, so we use '%s' placeholders
         $from_time = htmlspecialchars(strip_tags($from_time));
         $until_time = htmlspecialchars(strip_tags($until_time));
-        $sql = $this->queries['conference_by_name'];
+
+        // search for a conference by its name for a time period (if given)
+        $sql = "
+SELECT
+    pe.time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    pe.loglevel,
+    pe.event_type,
+    p.endpoint_id AS participant_id,
+    pe.event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+LEFT JOIN
+    participants p ON c.conference_id = p.conference_id
+LEFT JOIN
+    participant_events pe ON p.endpoint_id = pe.participant_id
+WHERE
+    c.conference_name = '%s'
+AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
+
+UNION
+
+SELECT
+    ce.time AS event_time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    ce.loglevel,
+    ce.conference_event AS event_type,
+    NULL AS participant_id,
+    ce.conference_param AS event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+WHERE
+    c.conference_name = '%s'
+AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
+
+ORDER BY
+    pe.time";
+
         $sql = sprintf($sql, $conference_name, $from_time, $until_time, $conference_name, $from_time, $until_time);
 
         $query = $this->db->prepare($sql);
@@ -75,7 +163,77 @@ class Conference {
         // this is needed for compatibility with the bash version, so we use '%s' placeholders
         $from_time = htmlspecialchars(strip_tags($from_time));
         $until_time = htmlspecialchars(strip_tags($until_time));
-        $sql = $this->queries['conferences_all_formatted'];
+
+        // list of conferences for time period (if given)
+        // fields: component, duration, conference ID, conference name, number of participants, name count (the conf name is found), conference host
+        $sql = "
+SELECT DISTINCT
+    c.jitsi_component,
+    (SELECT COALESCE
+        (
+            (SELECT ce.time
+                FROM conference_events ce
+                WHERE
+                    ce.conference_id = c.conference_id
+                    AND
+                    ce.conference_event = 'conference created'
+            ),
+            (SELECT ce.time
+                FROM conference_events ce
+                WHERE
+                    ce.conference_id = c.conference_id
+                    AND
+                    ce.conference_event = 'bridge selected'
+            )
+        )
+    )
+    AS start,
+    (SELECT COALESCE
+        (
+            (SELECT ce.time
+                FROM conference_events ce
+                WHERE
+                    ce.conference_id = c.conference_id
+                    AND
+                    (ce.conference_event = 'conference expired' OR ce.conference_event = 'conference stopped')
+            ),
+            (SELECT pe.time
+                FROM participant_events pe
+                WHERE
+                    pe.event_param = c.conference_id
+                ORDER BY pe.time DESC
+                LIMIT 1
+            )
+        )
+    )
+    AS end,
+    c.conference_id,
+    c.conference_name,
+    (SELECT COUNT(pe.participant_id)
+        FROM participant_events pe
+        WHERE
+            pe.event_type = 'participant joining'
+            AND
+            pe.event_param = c.conference_id) AS participants,
+    name_counts.name_count,
+    c.conference_host
+FROM
+    conferences c
+JOIN (
+    SELECT
+        conference_name,
+        COUNT(*) AS name_count
+    FROM
+        conferences
+    GROUP BY
+        conference_name
+) AS name_counts ON c.conference_name = name_counts.conference_name
+JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+WHERE (ce.time >= '%s 00:00:00' AND ce.time <= '%s 23:59:59')
+ORDER BY
+    c.id";
+
         $sql = sprintf($sql, $from_time, $until_time);
 
         $query = $this->db->prepare($sql);
@@ -99,7 +257,28 @@ class Conference {
         // this is needed for compatibility with the bash version, so we use '%s' placeholders
         $from_time = htmlspecialchars(strip_tags($from_time));
         $until_time = htmlspecialchars(strip_tags($until_time));
-        $sql = $this->queries['conference_number'];
+
+        // number of conferences for time period (if given)
+        // NB we need to cross check with first occurrence of "bridge selected"
+        // as in Jicofo logs there is no way to get the time for conference ID creation
+        $sql = "
+SELECT COUNT(c.conference_id) as conferences
+FROM
+    conferences c
+LEFT JOIN (
+    SELECT ce.conference_id, MIN(ce.time) as first_event_time
+    FROM conference_events ce
+    WHERE ce.conference_event = 'bridge selected'
+    GROUP BY ce.conference_id
+) AS first_event ON c.conference_id = first_event.conference_id
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+WHERE
+    (ce.time >= '%s 00:00:00' AND ce.time <= '%s 23:59:59')
+AND (ce.conference_event = 'conference created'
+    OR (ce.conference_event = 'bridge selected' AND ce.time = first_event.first_event_time)
+)";
+
         $sql = sprintf($sql, $from_time, $until_time);
 
         $query = $this->db->prepare($sql);
diff --git a/app/classes/participant.php b/app/classes/participant.php
index f23e2b5..373ca31 100644
--- a/app/classes/participant.php
+++ b/app/classes/participant.php
@@ -2,11 +2,9 @@
 
 class Participant {
     private $db;
-    private $queries;
 
     public function __construct($database) {
         $this->db = $database->getConnection();
-        $this->queries = include('queries.php');
     }
 
 
@@ -25,7 +23,52 @@ class Participant {
         // this is needed for compatibility with the bash version, so we use '%s' placeholders
         $from_time = htmlspecialchars(strip_tags($from_time));
         $until_time = htmlspecialchars(strip_tags($until_time));
-        $sql = $this->queries['conference_by_participant_id'];
+
+        // list conferences where participant ID (endpoint_id) is found
+        $sql = "
+SELECT
+    pe.time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    pe.loglevel,
+    pe.event_type,
+    p.endpoint_id AS participant_id,
+    pe.event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+LEFT JOIN
+    participants p ON c.conference_id = p.conference_id
+LEFT JOIN
+    participant_events pe ON p.endpoint_id = pe.participant_id
+WHERE
+    p.endpoint_id = '%s'
+AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
+
+UNION
+
+SELECT
+    ce.time AS event_time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    ce.loglevel,
+    ce.conference_event AS event_type,
+    NULL AS participant_id,
+    ce.conference_param AS event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+WHERE
+    participant_id = '%s'
+AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
+
+ORDER BY
+    pe.time";
+
         $sql = sprintf($sql, $participant_id, $from_time, $until_time, $participant_id, $from_time, $until_time);
 
         $query = $this->db->prepare($sql);
@@ -50,7 +93,52 @@ class Participant {
         // this is needed for compatibility with the bash version, so we use '%s' placeholders
         $from_time = htmlspecialchars(strip_tags($from_time));
         $until_time = htmlspecialchars(strip_tags($until_time));
-        $sql = $this->queries['participant_by_stats_id'];
+
+        // list conferences where participant name (stats_id) is found
+        $sql = "
+SELECT
+    pe.time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    pe.loglevel,
+    pe.event_type,
+    p.endpoint_id AS participant_id,
+    pe.event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+LEFT JOIN
+    participants p ON c.conference_id = p.conference_id
+LEFT JOIN
+    participant_events pe ON p.endpoint_id = pe.participant_id
+WHERE
+    pe.event_type = 'stats_id' AND pe.event_param LIKE '%%%s%%'
+AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
+
+UNION
+
+SELECT
+    ce.time AS event_time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    ce.loglevel,
+    ce.conference_event AS event_type,
+    NULL AS participant_id,
+    ce.conference_param AS event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+WHERE
+    event_type = 'stats_id' AND event_param LIKE '%%%s%%'
+AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
+
+ORDER BY
+    pe.time";
+
         $sql = sprintf($sql, $participant_name, $from_time, $until_time, $participant_name, $from_time, $until_time);
 
         $query = $this->db->prepare($sql);
@@ -75,7 +163,52 @@ class Participant {
         // this is needed for compatibility with the bash version, so we use '%s' placeholders
         $from_time = htmlspecialchars(strip_tags($from_time));
         $until_time = htmlspecialchars(strip_tags($until_time));
-        $sql = $this->queries['participant_by_ip'];
+
+        // list conferences where participant IP is found
+        $sql = "
+SELECT
+    pe.time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    pe.loglevel,
+    pe.event_type,
+    p.endpoint_id AS participant_id,
+    pe.event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+LEFT JOIN
+    participants p ON c.conference_id = p.conference_id
+LEFT JOIN
+    participant_events pe ON p.endpoint_id = pe.participant_id
+WHERE
+    pe.event_type = 'pair selected' AND pe.event_param = '%s'
+AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
+
+UNION
+
+SELECT
+    ce.time AS event_time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    ce.loglevel,
+    ce.conference_event AS event_type,
+    NULL AS participant_id,
+    ce.conference_param AS event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+WHERE
+    event_type = 'pair selected' AND event_param = '%s'
+AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
+
+ORDER BY
+    pe.time";
+
         $sql = sprintf($sql, $participant_ip, $from_time, $until_time, $participant_ip, $from_time, $until_time);
 
         $query = $this->db->prepare($sql);
@@ -85,7 +218,7 @@ class Participant {
     }
 
 
-    // list of all conferences
+    // list of all participants
     public function participantsAll($from_time, $until_time) {
 
         // time period drill-down
@@ -100,7 +233,19 @@ class Participant {
         // this is needed for compatibility with the bash version, so we use '%s' placeholders
         $from_time = htmlspecialchars(strip_tags($from_time));
         $until_time = htmlspecialchars(strip_tags($until_time));
-        $sql = $this->queries['participants_all'];
+
+        // list all participants
+        $sql = "
+SELECT DISTINCT
+    p.jitsi_component, p.endpoint_id, p.conference_id
+FROM
+    participants p
+JOIN
+    participant_events pe ON p.endpoint_id = pe.participant_id
+WHERE
+    pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59'
+ORDER BY p.id";
+
         $sql = sprintf($sql, $from_time, $until_time);
 
         $query = $this->db->prepare($sql);
@@ -109,7 +254,7 @@ class Participant {
         return $query->fetchAll(PDO::FETCH_ASSOC);
     }
 
-    // number of conferences
+    // number of participants
     public function participantNumber($from_time, $until_time) {
 
         // time period drill-down
@@ -124,7 +269,18 @@ class Participant {
         // this is needed for compatibility with the bash version, so we use '%s' placeholders
         $from_time = htmlspecialchars(strip_tags($from_time));
         $until_time = htmlspecialchars(strip_tags($until_time));
-        $sql = $this->queries['participant_number'];
+
+        // number of participants for time period (if given)
+        $sql = "
+SELECT COUNT(DISTINCT p.endpoint_id) as participants
+FROM
+    participants p
+LEFT JOIN
+    participant_events pe ON p.endpoint_id = pe.participant_id
+WHERE
+    (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
+AND pe.event_type = 'participant joining'";
+
         $sql = sprintf($sql, $from_time, $until_time);
 
         $query = $this->db->prepare($sql);
diff --git a/app/classes/queries.php b/app/classes/queries.php
deleted file mode 100644
index 74c2af3..0000000
--- a/app/classes/queries.php
+++ /dev/null
@@ -1,402 +0,0 @@
-<?php
-
-// all sql queries for the jilo database in one place
-
-return [
-
-    // number of conferences for time period (if given)
-    // NB we need to cross check with first occurrence of "bridge selected"
-    // as in Jicofo logs there is no way to get the time for conference ID creation
-    'conference_number' => "
-SELECT COUNT(c.conference_id) as conferences
-FROM
-    conferences c
-LEFT JOIN (
-    SELECT ce.conference_id, MIN(ce.time) as first_event_time
-    FROM conference_events ce
-    WHERE ce.conference_event = 'bridge selected'
-    GROUP BY ce.conference_id
-) AS first_event ON c.conference_id = first_event.conference_id
-LEFT JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-WHERE
-    (ce.time >= '%s 00:00:00' AND ce.time <= '%s 23:59:59')
-AND (ce.conference_event = 'conference created'
-    OR (ce.conference_event = 'bridge selected' AND ce.time = first_event.first_event_time)
-)",
-
-
-    // search for a conference by its ID for a time period (if given)
-    'conference_by_id' => "
-SELECT
-    pe.time,
-    c.conference_id,
-    c.conference_name,
-    c.conference_host,
-    pe.loglevel,
-    pe.event_type,
-    p.endpoint_id AS participant_id,
-    pe.event_param
-FROM
-    conferences c
-LEFT JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-LEFT JOIN
-    participants p ON c.conference_id = p.conference_id
-LEFT JOIN
-    participant_events pe ON p.endpoint_id = pe.participant_id
-WHERE
-    c.conference_id = '%s'
-AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
-
-UNION
-
-SELECT
-    ce.time AS event_time,
-    c.conference_id,
-    c.conference_name,
-    c.conference_host,
-    ce.loglevel,
-    ce.conference_event AS event_type,
-    NULL AS participant_id,
-    ce.conference_param AS event_param
-FROM
-    conferences c
-LEFT JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-WHERE
-    c.conference_id = '%s'
-AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
-
-ORDER BY
-    pe.time;",
-
-
-    // list of conferences for time period (if given)
-    // fields: component, duration, conference ID, conference name, number of participants, name count (the conf name is found), conference host
-    'conferences_all_formatted' => "
-SELECT DISTINCT
-    c.jitsi_component,
-    (SELECT COALESCE
-        (
-            (SELECT ce.time
-                FROM conference_events ce
-                WHERE
-                    ce.conference_id = c.conference_id
-                    AND
-                    ce.conference_event = 'conference created'
-            ),
-            (SELECT ce.time
-                FROM conference_events ce
-                WHERE
-                    ce.conference_id = c.conference_id
-                    AND
-                    ce.conference_event = 'bridge selected'
-            )
-        )
-    )
-    AS start,
-    (SELECT COALESCE
-        (
-            (SELECT ce.time
-                FROM conference_events ce
-                WHERE
-                    ce.conference_id = c.conference_id
-                    AND
-                    (ce.conference_event = 'conference expired' OR ce.conference_event = 'conference stopped')
-            ),
-            (SELECT pe.time
-                FROM participant_events pe
-                WHERE
-                    pe.event_param = c.conference_id
-                ORDER BY pe.time DESC
-                LIMIT 1
-            )
-        )
-    )
-    AS end,
-    c.conference_id,
-    c.conference_name,
-    (SELECT COUNT(pe.participant_id)
-        FROM participant_events pe
-        WHERE
-            pe.event_type = 'participant joining'
-            AND
-            pe.event_param = c.conference_id) AS participants,
-    name_counts.name_count,
-    c.conference_host
-FROM
-    conferences c
-JOIN (
-    SELECT
-        conference_name,
-        COUNT(*) AS name_count
-    FROM
-        conferences
-    GROUP BY
-        conference_name
-) AS name_counts ON c.conference_name = name_counts.conference_name
-JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-WHERE (ce.time >= '%s 00:00:00' AND ce.time <= '%s 23:59:59')
-ORDER BY
-    c.id;",
-
-
-    // search for a conference by its ID for a time period (if given)
-    'conference_by_id' => "
-SELECT
-    pe.time,
-    c.conference_id,
-    c.conference_name,
-    c.conference_host,
-    pe.loglevel,
-    pe.event_type,
-    p.endpoint_id AS participant_id,
-    pe.event_param
-FROM
-    conferences c
-LEFT JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-LEFT JOIN
-    participants p ON c.conference_id = p.conference_id
-LEFT JOIN
-    participant_events pe ON p.endpoint_id = pe.participant_id
-WHERE
-    c.conference_id = '%s'
-AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
-
-UNION
-
-SELECT
-    ce.time AS event_time,
-    c.conference_id,
-    c.conference_name,
-    c.conference_host,
-    ce.loglevel,
-    ce.conference_event AS event_type,
-    NULL AS participant_id,
-    ce.conference_param AS event_param
-FROM
-    conferences c
-LEFT JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-WHERE
-    c.conference_id = '%s'
-AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
-
-ORDER BY
-    pe.time;",
-
-
-    // search for a conference by its name for a time period (if given)
-    'conference_by_name' => "
-SELECT
-    pe.time,
-    c.conference_id,
-    c.conference_name,
-    c.conference_host,
-    pe.loglevel,
-    pe.event_type,
-    p.endpoint_id AS participant_id,
-    pe.event_param
-FROM
-    conferences c
-LEFT JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-LEFT JOIN
-    participants p ON c.conference_id = p.conference_id
-LEFT JOIN
-    participant_events pe ON p.endpoint_id = pe.participant_id
-WHERE
-    c.conference_name = '%s'
-AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
-
-UNION
-
-SELECT
-    ce.time AS event_time,
-    c.conference_id,
-    c.conference_name,
-    c.conference_host,
-    ce.loglevel,
-    ce.conference_event AS event_type,
-    NULL AS participant_id,
-    ce.conference_param AS event_param
-FROM
-    conferences c
-LEFT JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-WHERE
-    c.conference_name = '%s'
-AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
-
-ORDER BY
-    pe.time;",
-
-
-    // number of participants for time period (if given)
-    'participant_number' => "
-SELECT COUNT(DISTINCT p.endpoint_id) as participants
-FROM
-    participants p
-LEFT JOIN
-    participant_events pe ON p.endpoint_id = pe.participant_id
-WHERE
-    (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
-AND pe.event_type = 'participant joining'",
-
-
-    // list all participants
-    'participants_all' => "
-SELECT DISTINCT
-    p.jitsi_component, p.endpoint_id, p.conference_id
-FROM
-    participants p
-JOIN
-    participant_events pe ON p.endpoint_id = pe.participant_id
-WHERE
-    pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59'
-ORDER BY p.id;",
-
-
-    // list conferences where participant ID (endpoint_id) is found
-    'conference_by_participant_id' => "
-SELECT
-    pe.time,
-    c.conference_id,
-    c.conference_name,
-    c.conference_host,
-    pe.loglevel,
-    pe.event_type,
-    p.endpoint_id AS participant_id,
-    pe.event_param
-FROM
-    conferences c
-LEFT JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-LEFT JOIN
-    participants p ON c.conference_id = p.conference_id
-LEFT JOIN
-    participant_events pe ON p.endpoint_id = pe.participant_id
-WHERE
-    p.endpoint_id = '%s'
-AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
-
-UNION
-
-SELECT
-    ce.time AS event_time,
-    c.conference_id,
-    c.conference_name,
-    c.conference_host,
-    ce.loglevel,
-    ce.conference_event AS event_type,
-    NULL AS participant_id,
-    ce.conference_param AS event_param
-FROM
-    conferences c
-LEFT JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-WHERE
-    participant_id = '%s'
-AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
-
-ORDER BY
-    pe.time;",
-
-
-    // list conferences where participant name (stats_id) is found
-    'participant_by_stats_id' => "
-SELECT
-    pe.time,
-    c.conference_id,
-    c.conference_name,
-    c.conference_host,
-    pe.loglevel,
-    pe.event_type,
-    p.endpoint_id AS participant_id,
-    pe.event_param
-FROM
-    conferences c
-LEFT JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-LEFT JOIN
-    participants p ON c.conference_id = p.conference_id
-LEFT JOIN
-    participant_events pe ON p.endpoint_id = pe.participant_id
-WHERE
-    pe.event_type = 'stats_id' AND pe.event_param LIKE '%%%s%%'
-AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
-
-UNION
-
-SELECT
-    ce.time AS event_time,
-    c.conference_id,
-    c.conference_name,
-    c.conference_host,
-    ce.loglevel,
-    ce.conference_event AS event_type,
-    NULL AS participant_id,
-    ce.conference_param AS event_param
-FROM
-    conferences c
-LEFT JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-WHERE
-    event_type = 'stats_id' AND event_param LIKE '%%%s%%'
-AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
-
-ORDER BY
-    pe.time;",
-
-
-    // list conferences where participant IP is found
-    'participant_by_ip' => "
-SELECT
-    pe.time,
-    c.conference_id,
-    c.conference_name,
-    c.conference_host,
-    pe.loglevel,
-    pe.event_type,
-    p.endpoint_id AS participant_id,
-    pe.event_param
-FROM
-    conferences c
-LEFT JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-LEFT JOIN
-    participants p ON c.conference_id = p.conference_id
-LEFT JOIN
-    participant_events pe ON p.endpoint_id = pe.participant_id
-WHERE
-    pe.event_type = 'pair selected' AND pe.event_param = '%s'
-AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
-
-UNION
-
-SELECT
-    ce.time AS event_time,
-    c.conference_id,
-    c.conference_name,
-    c.conference_host,
-    ce.loglevel,
-    ce.conference_event AS event_type,
-    NULL AS participant_id,
-    ce.conference_param AS event_param
-FROM
-    conferences c
-LEFT JOIN
-    conference_events ce ON c.conference_id = ce.conference_id
-WHERE
-    event_type = 'pair selected' AND event_param = '%s'
-AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
-
-ORDER BY
-    pe.time;",
-
-];
-
-?>