diff --git a/proj_info/dumps/scene08_dump/init.edgeql b/proj_info/dumps/scene08_dump/init.edgeql
new file mode 100755
index 0000000..8b1dbdd
--- /dev/null
+++ b/proj_info/dumps/scene08_dump/init.edgeql
@@ -0,0 +1,5 @@
+# DESCRIBE SYSTEM CONFIG
+CONFIGURE INSTANCE SET session_idle_transaction_timeout := <std::duration>'PT10S';
+
+# DESCRIBE ROLES
+ALTER ROLE edgedb { SET password_hash := 'SCRAM-SHA-256$4096:uW/qwJYN670oH0drUrqR+g==$75aALunV2+1FahpEUh74VDSTys4mauysRRd/uafN7gE=:kCGhj9XQIWjla4CjzWPscgoyuyMOwD0RLHJSkXowhU0=';};
diff --git a/proj_info/dumps/scene08_dump/main.dump b/proj_info/dumps/scene08_dump/main.dump
new file mode 100755
index 0000000..5dda7c9
Binary files /dev/null and b/proj_info/dumps/scene08_dump/main.dump differ
diff --git a/proj_info/dumps/scene09_dump/init.edgeql b/proj_info/dumps/scene09_dump/init.edgeql
new file mode 100755
index 0000000..8b1dbdd
--- /dev/null
+++ b/proj_info/dumps/scene09_dump/init.edgeql
@@ -0,0 +1,5 @@
+# DESCRIBE SYSTEM CONFIG
+CONFIGURE INSTANCE SET session_idle_transaction_timeout := <std::duration>'PT10S';
+
+# DESCRIBE ROLES
+ALTER ROLE edgedb { SET password_hash := 'SCRAM-SHA-256$4096:uW/qwJYN670oH0drUrqR+g==$75aALunV2+1FahpEUh74VDSTys4mauysRRd/uafN7gE=:kCGhj9XQIWjla4CjzWPscgoyuyMOwD0RLHJSkXowhU0=';};
diff --git a/proj_info/dumps/scene09_dump/main.dump b/proj_info/dumps/scene09_dump/main.dump
new file mode 100755
index 0000000..e3901ee
Binary files /dev/null and b/proj_info/dumps/scene09_dump/main.dump differ
diff --git a/proj_info/dumps/scene10_dump/init.edgeql b/proj_info/dumps/scene10_dump/init.edgeql
new file mode 100755
index 0000000..8b1dbdd
--- /dev/null
+++ b/proj_info/dumps/scene10_dump/init.edgeql
@@ -0,0 +1,5 @@
+# DESCRIBE SYSTEM CONFIG
+CONFIGURE INSTANCE SET session_idle_transaction_timeout := <std::duration>'PT10S';
+
+# DESCRIBE ROLES
+ALTER ROLE edgedb { SET password_hash := 'SCRAM-SHA-256$4096:uW/qwJYN670oH0drUrqR+g==$75aALunV2+1FahpEUh74VDSTys4mauysRRd/uafN7gE=:kCGhj9XQIWjla4CjzWPscgoyuyMOwD0RLHJSkXowhU0=';};
diff --git a/proj_info/dumps/scene10_dump/main.dump b/proj_info/dumps/scene10_dump/main.dump
new file mode 100755
index 0000000..7c26e7a
Binary files /dev/null and b/proj_info/dumps/scene10_dump/main.dump differ
diff --git a/proj_info/edgedb.toml b/proj_info/edgedb.toml
index fdaa311..d47a69a 100755
--- a/proj_info/edgedb.toml
+++ b/proj_info/edgedb.toml
@@ -1,2 +1,2 @@
 [edgedb]
-server-version = "4.5"
\ No newline at end of file
+server-version = "5.4"
\ No newline at end of file
diff --git a/proj_info/final_schema.esdl b/proj_info/final_schema.esdl
index 7d63877..e316a52 100644
--- a/proj_info/final_schema.esdl
+++ b/proj_info/final_schema.esdl
@@ -150,7 +150,11 @@ module default {
 
     };
     
-    type GangsterSpy extending Character, IsSpy;
+    type GangsterSpy extending Character, IsSpy {
+        overloaded police_rank: PoliceRank {
+            default:= PoliceRank.Protected;
+        }
+    };
 
     type Landmark extending Place;
     type Location extending Place;
diff --git a/proj_info/initial_schema.esdl b/proj_info/initial_schema.esdl
index 690d3fe..36f13fd 100755
--- a/proj_info/initial_schema.esdl
+++ b/proj_info/initial_schema.esdl
@@ -75,7 +75,11 @@ module default {
     }
 
     type PoliceSpy extending Character, IsSpy;
-    type GangsterSpy extending Character, IsSpy;
+    type GangsterSpy extending Character, IsSpy {
+        overloaded police_rank: PoliceRank {
+            default:= PoliceRank.Protected;
+        }
+    };
 
     type Landmark extending Place;
     type Location extending Place;
diff --git a/proj_info/migrations/00001.edgeql b/proj_info/migrations/00001-m1icz4h.edgeql
similarity index 95%
rename from proj_info/migrations/00001.edgeql
rename to proj_info/migrations/00001-m1icz4h.edgeql
index 9baf5ca..9edba98 100755
--- a/proj_info/migrations/00001.edgeql
+++ b/proj_info/migrations/00001-m1icz4h.edgeql
@@ -1,4 +1,4 @@
-CREATE MIGRATION m1ol5jxvc6l2at2kztb5zask5icf6ckasntcbidrrfsx677askknoq
+CREATE MIGRATION m1icz4hxkdlltw2fwwiief5tjgomwgr2ihpmdeny7owr235wmpqecq
     ONTO initial
 {
   CREATE ABSTRACT TYPE default::Person {
@@ -33,13 +33,7 @@ CREATE MIGRATION m1ol5jxvc6l2at2kztb5zask5icf6ckasntcbidrrfsx677askknoq
       CREATE PROPERTY remarks: std::str;
       CREATE PROPERTY title: std::str;
   };
-  CREATE SCALAR TYPE default::GangsterRank EXTENDING enum<Nobody, Leader, Boss>;
   CREATE SCALAR TYPE default::PoliceRank EXTENDING enum<Protected, Cadet, PC, SPC, SGT, SSGT, PI, IP, SIP, CIP, SP, SSP, CSP, ACP, SACP, DCP, CP>;
-  CREATE ABSTRACT TYPE default::IsGangster {
-      CREATE PROPERTY gangster_rank: default::GangsterRank {
-          SET default := (default::GangsterRank.Nobody);
-      };
-  };
   CREATE ABSTRACT TYPE default::IsPolice {
       CREATE PROPERTY dept: std::str;
       CREATE PROPERTY police_rank: default::PoliceRank {
@@ -47,10 +41,23 @@ CREATE MIGRATION m1ol5jxvc6l2at2kztb5zask5icf6ckasntcbidrrfsx677askknoq
       };
       CREATE PROPERTY is_officer := ((.police_rank >= default::PoliceRank.PI));
   };
-  CREATE ABSTRACT TYPE default::IsSpy EXTENDING default::IsPolice, default::IsGangster;
-  CREATE TYPE default::PoliceSpy EXTENDING default::Character, default::IsSpy;
   CREATE TYPE default::Police EXTENDING default::Character, default::IsPolice;
+  CREATE SCALAR TYPE default::GangsterRank EXTENDING enum<Nobody, Leader, Boss>;
+  CREATE ABSTRACT TYPE default::IsGangster {
+      CREATE PROPERTY gangster_rank: default::GangsterRank {
+          SET default := (default::GangsterRank.Nobody);
+      };
+  };
+  CREATE ABSTRACT TYPE default::IsSpy EXTENDING default::IsPolice, default::IsGangster;
+  CREATE TYPE default::GangsterSpy EXTENDING default::Character, default::IsSpy {
+      ALTER PROPERTY police_rank {
+          SET default := (default::PoliceRank.Protected);
+          SET OWNED;
+          SET TYPE default::PoliceRank;
+      };
+  };
   CREATE TYPE default::Gangster EXTENDING default::Character, default::IsGangster;
+  CREATE TYPE default::PoliceSpy EXTENDING default::Character, default::IsSpy;
   CREATE TYPE default::GangsterBoss EXTENDING default::Gangster {
       ALTER PROPERTY gangster_rank {
           SET default := (default::GangsterRank.Boss);
@@ -59,10 +66,6 @@ CREATE MIGRATION m1ol5jxvc6l2at2kztb5zask5icf6ckasntcbidrrfsx677askknoq
           CREATE CONSTRAINT std::expression ON ((__subject__ = default::GangsterRank.Boss));
       };
   };
-  ALTER TYPE default::IsGangster {
-      CREATE LINK gangster_boss: default::GangsterBoss;
-  };
-  CREATE TYPE default::GangsterSpy EXTENDING default::Character, default::IsSpy;
   CREATE SCALAR TYPE default::DayOfWeek EXTENDING enum<Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday>;
   CREATE SCALAR TYPE default::FuzzyDay EXTENDING std::int64 {
       CREATE CONSTRAINT std::expression ON (((__subject__ >= 1) AND (__subject__ <= 31)));
@@ -137,6 +140,9 @@ CREATE MIGRATION m1ol5jxvc6l2at2kztb5zask5icf6ckasntcbidrrfsx677askknoq
   ALTER TYPE default::Event {
       CREATE MULTI LINK `when`: default::FuzzyTime;
   };
+  ALTER TYPE default::IsGangster {
+      CREATE LINK gangster_boss: default::GangsterBoss;
+  };
   ALTER TYPE default::GangsterBoss {
       CREATE CONSTRAINT std::expression ON ((__subject__ != .gangster_boss)) {
           SET errmessage := "The boss can't be his/her own boss.";
diff --git a/proj_info/migrations/00002.edgeql b/proj_info/migrations/00002-m1d4u43.edgeql
similarity index 88%
rename from proj_info/migrations/00002.edgeql
rename to proj_info/migrations/00002-m1d4u43.edgeql
index 8214fcb..f288bd8 100755
--- a/proj_info/migrations/00002.edgeql
+++ b/proj_info/migrations/00002-m1d4u43.edgeql
@@ -1,5 +1,5 @@
-CREATE MIGRATION m16j44velzxt3wk6olqyjdj6yvptu4k6jrbeqlultuzdjdtx7fd7jq
-    ONTO m1ol5jxvc6l2at2kztb5zask5icf6ckasntcbidrrfsx677askknoq
+CREATE MIGRATION m1d4u43vqej5cm2hj3atx2rwj64geqmcxwwqahnwx53d6yz5jedfaa
+    ONTO m1icz4hxkdlltw2fwwiief5tjgomwgr2ihpmdeny7owr235wmpqecq
 {
   CREATE ALIAS default::hon := (
       std::assert_exists(std::assert_single((SELECT
diff --git a/proj_info/migrations/00003.edgeql b/proj_info/migrations/00003-m1iolrl.edgeql
similarity index 81%
rename from proj_info/migrations/00003.edgeql
rename to proj_info/migrations/00003-m1iolrl.edgeql
index 721cd93..148380b 100755
--- a/proj_info/migrations/00003.edgeql
+++ b/proj_info/migrations/00003-m1iolrl.edgeql
@@ -1,5 +1,5 @@
-CREATE MIGRATION m16xboo673icbje6taadxtud76v5hfutc3hjzxexhy42lszjhogpda
-    ONTO m16j44velzxt3wk6olqyjdj6yvptu4k6jrbeqlultuzdjdtx7fd7jq
+CREATE MIGRATION m1iolrlkdl63zmbic6vfn3jcbkcygyvzoj6fcg4jo7qv7nfctnjrnq
+    ONTO m1d4u43vqej5cm2hj3atx2rwj64geqmcxwwqahnwx53d6yz5jedfaa
 {
   CREATE ALIAS default::chen := (
       std::assert_exists(std::assert_single((SELECT
diff --git a/proj_info/migrations/00004.edgeql b/proj_info/migrations/00004-m1dccfq.edgeql
similarity index 65%
rename from proj_info/migrations/00004.edgeql
rename to proj_info/migrations/00004-m1dccfq.edgeql
index d3a4757..330e3ab 100755
--- a/proj_info/migrations/00004.edgeql
+++ b/proj_info/migrations/00004-m1dccfq.edgeql
@@ -1,5 +1,5 @@
-CREATE MIGRATION m136gnzuezxpgyv7ju4pgostosaq3uql6nnqlyzipkvnjmcdicalxq
-    ONTO m16xboo673icbje6taadxtud76v5hfutc3hjzxexhy42lszjhogpda
+CREATE MIGRATION m1dccfqhsgaadnglq2ckmbu5a2e7yzpxqb2cuf2airm75lj7unb27a
+    ONTO m1iolrlkdl63zmbic6vfn3jcbkcygyvzoj6fcg4jo7qv7nfctnjrnq
 {
   CREATE TYPE default::ChenLauContact EXTENDING default::Event {
       ALTER LINK who {
diff --git a/proj_info/migrations/00005.edgeql b/proj_info/migrations/00005-m1fn7t6.edgeql
similarity index 87%
rename from proj_info/migrations/00005.edgeql
rename to proj_info/migrations/00005-m1fn7t6.edgeql
index c7acfa3..62dee35 100755
--- a/proj_info/migrations/00005.edgeql
+++ b/proj_info/migrations/00005-m1fn7t6.edgeql
@@ -1,5 +1,5 @@
-CREATE MIGRATION m1fjui2bohofvhbeyii2pas6fzupyb7a5odygxpqaeewnxrkbtqrhq
-    ONTO m136gnzuezxpgyv7ju4pgostosaq3uql6nnqlyzipkvnjmcdicalxq
+CREATE MIGRATION m1fn7t6zu27x3lrukpvwfqgliidyq6ouxtqmwqa77mjjuqu37npe6q
+    ONTO m1dccfqhsgaadnglq2ckmbu5a2e7yzpxqb2cuf2airm75lj7unb27a
 {
   CREATE ALIAS default::police_station := (
       std::assert_exists(std::assert_single((SELECT
diff --git a/proj_info/migrations/00006.edgeql b/proj_info/migrations/00006-m1aied2.edgeql
similarity index 83%
rename from proj_info/migrations/00006.edgeql
rename to proj_info/migrations/00006-m1aied2.edgeql
index 8229577..9568a10 100755
--- a/proj_info/migrations/00006.edgeql
+++ b/proj_info/migrations/00006-m1aied2.edgeql
@@ -1,5 +1,5 @@
-CREATE MIGRATION m1uv5jvgusazq2gzf3n2nuiprqremmgfkiphxwydvhqttk7dqida7a
-    ONTO m1fjui2bohofvhbeyii2pas6fzupyb7a5odygxpqaeewnxrkbtqrhq
+CREATE MIGRATION m1aied2jdcfmhoyemqucenfzfugenpfkrltizeqmppzossbnlgdiea
+    ONTO m1fn7t6zu27x3lrukpvwfqgliidyq6ouxtqmwqa77mjjuqu37npe6q
 {
   CREATE ABSTRACT TYPE default::Archive;
   CREATE TYPE default::CriminalRecord EXTENDING default::Archive {
diff --git a/proj_info/migrations/00007.edgeql b/proj_info/migrations/00007-m1d2wep.edgeql
similarity index 86%
rename from proj_info/migrations/00007.edgeql
rename to proj_info/migrations/00007-m1d2wep.edgeql
index 3bf5be0..92ca0cb 100755
--- a/proj_info/migrations/00007.edgeql
+++ b/proj_info/migrations/00007-m1d2wep.edgeql
@@ -1,5 +1,5 @@
-CREATE MIGRATION m1ngvzy5p3nncwvb6a5s565yxpkpme45yca2wkfxa764ha3nq5amja
-    ONTO m1uv5jvgusazq2gzf3n2nuiprqremmgfkiphxwydvhqttk7dqida7a
+CREATE MIGRATION m1d2wepwiyhx6ddv7rey265hmvm73jorq6as6ddtu337jwjfdrl4sq
+    ONTO m1aied2jdcfmhoyemqucenfzfugenpfkrltizeqmppzossbnlgdiea
 {
   CREATE FUNCTION default::is_hi_fi_store_open(dow: default::DayOfWeek, visit_hour: std::int64) ->  std::bool USING (WITH
       open_hours := 
diff --git a/proj_info/migrations/00008.edgeql b/proj_info/migrations/00008-m1en23a.edgeql
similarity index 84%
rename from proj_info/migrations/00008.edgeql
rename to proj_info/migrations/00008-m1en23a.edgeql
index f2c4c68..3848b60 100755
--- a/proj_info/migrations/00008.edgeql
+++ b/proj_info/migrations/00008-m1en23a.edgeql
@@ -1,5 +1,5 @@
-CREATE MIGRATION m167aa2yvy7i3v65yyzo4clj6ik3ugilphxirh2o42wnq7g2i7xnta
-    ONTO m1ngvzy5p3nncwvb6a5s565yxpkpme45yca2wkfxa764ha3nq5amja
+CREATE MIGRATION m1en23ahl7rdq4pcuaoejswszaybhzlgxc3qwpcks56ba7rmc5q6wq
+    ONTO m1d2wepwiyhx6ddv7rey265hmvm73jorq6as6ddtu337jwjfdrl4sq
 {
   CREATE ALIAS default::year_2002 := (
       std::assert_exists(std::assert_single((SELECT
diff --git a/proj_info/migrations/00009.edgeql b/proj_info/migrations/00009-m1dem5e.edgeql
similarity index 66%
rename from proj_info/migrations/00009.edgeql
rename to proj_info/migrations/00009-m1dem5e.edgeql
index c781eb2..e531e3c 100755
--- a/proj_info/migrations/00009.edgeql
+++ b/proj_info/migrations/00009-m1dem5e.edgeql
@@ -1,5 +1,5 @@
-CREATE MIGRATION m17ioxejmqetxu4ex54m2gt66tjxtyicsvy67eb3p5nhn3hjrz4zhq
-    ONTO m167aa2yvy7i3v65yyzo4clj6ik3ugilphxirh2o42wnq7g2i7xnta
+CREATE MIGRATION m1dem5eboiim52mq67hlkcoznwqmusag66vp6yfh7ynuggbp3y5cfq
+    ONTO m1en23ahl7rdq4pcuaoejswszaybhzlgxc3qwpcks56ba7rmc5q6wq
 {
   CREATE TYPE default::Beverage {
       CREATE LINK consumed_by: default::Character;
diff --git a/proj_info/migrations/00010.edgeql b/proj_info/migrations/00010-m1ngyzn.edgeql
similarity index 85%
rename from proj_info/migrations/00010.edgeql
rename to proj_info/migrations/00010-m1ngyzn.edgeql
index 5ca53e1..f9a9493 100755
--- a/proj_info/migrations/00010.edgeql
+++ b/proj_info/migrations/00010-m1ngyzn.edgeql
@@ -1,5 +1,5 @@
-CREATE MIGRATION m1ppscybzqoxvx32xwgtfcxz5n4k7nprbzhrkw6n2nn7lleky2ngma
-    ONTO m17ioxejmqetxu4ex54m2gt66tjxtyicsvy67eb3p5nhn3hjrz4zhq
+CREATE MIGRATION m1ngyznn6gdb6gjlvzcgw7dvdrmz7fbbfxzllxc3765gviarr4dvvq
+    ONTO m1dem5eboiim52mq67hlkcoznwqmusag66vp6yfh7ynuggbp3y5cfq
 {
   CREATE SCALAR TYPE default::TeamTreatNumber EXTENDING std::sequence;
   CREATE TYPE default::CIBTeamTreat {
diff --git a/proj_info/migrations/00011.edgeql b/proj_info/migrations/00011-m1lp75t.edgeql
similarity index 76%
rename from proj_info/migrations/00011.edgeql
rename to proj_info/migrations/00011-m1lp75t.edgeql
index 71ebb65..a85668d 100755
--- a/proj_info/migrations/00011.edgeql
+++ b/proj_info/migrations/00011-m1lp75t.edgeql
@@ -1,5 +1,5 @@
-CREATE MIGRATION m1cyfd35g55tg36lvobgy2hmxkrpmvvk432vskn5exxmslw3bxyv2a
-    ONTO m1ppscybzqoxvx32xwgtfcxz5n4k7nprbzhrkw6n2nn7lleky2ngma
+CREATE MIGRATION m1lp75tn62kfa4dbkkkv2u4pr3t2jjeyrix7cntwllnjid2mmu23qq
+    ONTO m1ngyznn6gdb6gjlvzcgw7dvdrmz7fbbfxzllxc3765gviarr4dvvq
 {
   CREATE TYPE default::Envelope {
       CREATE ACCESS POLICY allow_select_insert_delete
diff --git a/proj_info/migrations/00012-m1f62bc.edgeql b/proj_info/migrations/00012-m1f62bc.edgeql
new file mode 100755
index 0000000..40e31ba
--- /dev/null
+++ b/proj_info/migrations/00012-m1f62bc.edgeql
@@ -0,0 +1,5 @@
+CREATE MIGRATION m1f62bczhdawkow3bphndbuie3gdl2htatf5mxatxw54hqjoy5laaa
+    ONTO m1lp75tn62kfa4dbkkkv2u4pr3t2jjeyrix7cntwllnjid2mmu23qq
+{
+  CREATE EXTENSION pg_trgm VERSION '1.6';
+};
diff --git a/proj_info/migrations/00012.edgeql b/proj_info/migrations/00012.edgeql
deleted file mode 100755
index 042fad3..0000000
--- a/proj_info/migrations/00012.edgeql
+++ /dev/null
@@ -1,5 +0,0 @@
-CREATE MIGRATION m1phcwjq6nmblgjtyh4dov4gm2fspye4oub7ybyjv3dryr56vwnfjq
-    ONTO m1cyfd35g55tg36lvobgy2hmxkrpmvvk432vskn5exxmslw3bxyv2a
-{
-  CREATE EXTENSION pg_trgm VERSION '1.6';
-};
diff --git a/proj_info/migrations/00013.edgeql b/proj_info/migrations/00013-m1yd24u.edgeql
similarity index 96%
rename from proj_info/migrations/00013.edgeql
rename to proj_info/migrations/00013-m1yd24u.edgeql
index b297f19..20b01b4 100755
--- a/proj_info/migrations/00013.edgeql
+++ b/proj_info/migrations/00013-m1yd24u.edgeql
@@ -1,5 +1,5 @@
-CREATE MIGRATION m177hjcna3qg77ddbvyxmmbrye3wpwcknz7i6qa4n6ivbq5jejxwwq
-    ONTO m1phcwjq6nmblgjtyh4dov4gm2fspye4oub7ybyjv3dryr56vwnfjq
+CREATE MIGRATION m1yd24uzikzfjk3lbwpgeyzo6kjgourvj5wu7psvbog67u3n4wjmpq
+    ONTO m1f62bczhdawkow3bphndbuie3gdl2htatf5mxatxw54hqjoy5laaa
 {
   CREATE EXTENSION pgcrypto VERSION '1.3';
   CREATE ALIAS default::morse_code_of_undercover := (
diff --git a/proj_info/migrations/00014.edgeql b/proj_info/migrations/00014-m1ecf5p.edgeql
similarity index 59%
rename from proj_info/migrations/00014.edgeql
rename to proj_info/migrations/00014-m1ecf5p.edgeql
index 2f55af4..d3e2783 100755
--- a/proj_info/migrations/00014.edgeql
+++ b/proj_info/migrations/00014-m1ecf5p.edgeql
@@ -1,5 +1,5 @@
-CREATE MIGRATION m1hgbgfi27lwf3vg6pilotkr4i6vxhuqns3zzvhlf7y5czuj53giva
-    ONTO m177hjcna3qg77ddbvyxmmbrye3wpwcknz7i6qa4n6ivbq5jejxwwq
+CREATE MIGRATION m1ecf5pn6k7l4kwhb5w3eg3ucwppgfykndhsxaxkputy3kig7itwva
+    ONTO m1yd24uzikzfjk3lbwpgeyzo6kjgourvj5wu7psvbog67u3n4wjmpq
 {
   ALTER TYPE default::Character {
       ALTER LINK lover {
diff --git a/proj_info/queries/scene01/01_start.edgeql b/proj_info/queries/scene01/01_start.edgeql
new file mode 100755
index 0000000..db20692
--- /dev/null
+++ b/proj_info/queries/scene01/01_start.edgeql
@@ -0,0 +1,27 @@
+insert FuzzyTime {fuzzy_year:= 1992};
+
+insert Actor {
+     name:= "曾志偉",
+     eng_name:= "Eric",
+     nickname:= "獎老",
+};
+  
+insert GangsterBoss {
+    name:= "韓琛",
+    nickname:= "琛哥",
+    classic_lines:= ["一將功成萬骨枯"],
+    actors := assert_single((select Actor filter .name = "曾志偉")),
+};
+
+insert Actor {
+    name:= "陳冠希",
+    eng_name:= "Edison",
+};
+
+insert GangsterSpy {
+   name:= "劉建明",
+   nickname:= "劉仔",
+   gangster_boss:= assert_single((select GangsterBoss filter .name = "韓琛")),
+   dept:= "警校學生",
+   actors := assert_single((select Actor filter .name in {"陳冠希"})),
+};
\ No newline at end of file
diff --git a/proj_info/queries/scene01/02_end.edgeql b/proj_info/queries/scene01/02_end.edgeql
new file mode 100755
index 0000000..c37c3e6
--- /dev/null
+++ b/proj_info/queries/scene01/02_end.edgeql
@@ -0,0 +1,14 @@
+select test_alias();
+
+insert Scene {
+    title:= "韓琛初現",
+    detail:= "韓琛準備派遣多個身家較為清白的小弟臥底至香港警隊，包括建明。" ++
+             "他向小弟們講述著自己的過去，並說自己不相信算命先生所說的" ++
+             "「一將功成萬骨枯」。他認為出來混的，未來的路怎麼走應該由自己決定。",
+    remarks:= "1.假設此場景為1992年。",  
+    who:= {hon, lau},
+    `when`:= year_1992,
+    where:= (insert Location {name:= "佛堂"}) ,   
+    references:= [("維基百科-無間道", "https://zh.wikipedia.org/zh-tw/%E7%84%A1%E9%96%93%E9%81%93"),
+                  ("香港警察職級", "https://zh.wikipedia.org/zh-tw/%E9%A6%99%E6%B8%AF%E8%AD%A6%E5%AF%9F%E8%81%B7%E7%B4%9A")]
+};
\ No newline at end of file
diff --git a/proj_info/queries/scene02/01_start.edgeql b/proj_info/queries/scene02/01_start.edgeql
new file mode 100755
index 0000000..27524e3
--- /dev/null
+++ b/proj_info/queries/scene02/01_start.edgeql
@@ -0,0 +1,21 @@
+insert PoliceSpy {
+      name:="陳永仁",
+      nickname:= "仁哥",
+      gangster_boss:= hon,
+      actors := (insert Actor {
+                  name:= "余文樂",
+                  eng_name:= "Shawn",
+                  nickname:= "六叔",
+      }),
+};
+
+insert Police {
+      name:= "黃志誠",
+      nickname:= "黃sir",
+      police_rank:= PoliceRank.SIP, 
+      actors := (insert Actor {
+                  name:= "黃秋生",
+                  eng_name:= "Anthony",
+                  nickname:= "大飛哥",
+      }),
+};
\ No newline at end of file
diff --git a/proj_info/queries/scene02/02_1st.edgeql b/proj_info/queries/scene02/02_1st.edgeql
new file mode 100755
index 0000000..efab5fe
--- /dev/null
+++ b/proj_info/queries/scene02/02_1st.edgeql
@@ -0,0 +1 @@
+select test_alias();
\ No newline at end of file
diff --git a/proj_info/queries/scene02/03_end.edgeql b/proj_info/queries/scene02/03_end.edgeql
new file mode 100755
index 0000000..b8bef16
--- /dev/null
+++ b/proj_info/queries/scene02/03_end.edgeql
@@ -0,0 +1,18 @@
+insert ChenLauContact {
+      how:= "面對面",
+      detail:= "永仁假裝鬧事被趕出警校時，與建明在門口有一面之緣。",
+      `when`:= year_1992,
+      where:= (insert Landmark {name:= "警校"}),
+};
+
+insert Scene {
+      title:= "我想跟他換",
+      detail:= "葉校長與黃sir準備於警校新生中，挑選適合的新人臥底至黑社會。" ++
+               "永仁天資優異，觀察入微，為臥底的不二人選。兩人指示永仁假裝鬧" ++
+               "事並趁機將其趕出警校，而建明此時剛好入學，看著永仁背影喃喃自" ++
+               "語道：「我想跟他換」。或許建明從一開始就真的想做個好人？",
+      remarks:= "1.假設黃Sir於1992年官階為`SIP`。",     
+      who:= {wong, chen, lau},
+      `when`:= year_1992,
+      where:= (select Landmark filter .name="警校"),    
+};
\ No newline at end of file
diff --git a/proj_info/queries/scene03/01_start.edgeql b/proj_info/queries/scene03/01_start.edgeql
new file mode 100755
index 0000000..f58d124
--- /dev/null
+++ b/proj_info/queries/scene03/01_start.edgeql
@@ -0,0 +1,3 @@
+insert FuzzyTime {fuzzy_year:= 1994};
+
+insert Landmark {name:= "警察局"};
\ No newline at end of file
diff --git a/proj_info/queries/scene03/02_1st.edgeql b/proj_info/queries/scene03/02_1st.edgeql
new file mode 100755
index 0000000..1cf65fe
--- /dev/null
+++ b/proj_info/queries/scene03/02_1st.edgeql
@@ -0,0 +1,12 @@
+select test_alias();
+
+update lau set { 
+    police_rank:= PoliceRank.PC
+};
+
+insert ChenLauContact {
+    how:= "面對面",
+    detail:= "建明逮捕永仁並在警局替其做筆錄。",
+    `when`:= year_1994,
+    where:= police_station,
+};
\ No newline at end of file
diff --git a/proj_info/queries/scene03/03_end.edgeql b/proj_info/queries/scene03/03_end.edgeql
new file mode 100755
index 0000000..dc04a39
--- /dev/null
+++ b/proj_info/queries/scene03/03_end.edgeql
@@ -0,0 +1,36 @@
+with records:= {("CCR9314768", "OFFNCE: A.O.A.B.H   "), ("RN992317", "CD-POD   ")},
+for record in records
+union (insert CriminalRecord {
+                ref_no:= record.0, 
+                code:= record.1,
+                involved:= chen,
+});
+
+
+
+select CriminalRecord {**};
+
+for record in CriminalRecord
+union (
+    update record
+    set {
+        code:= str_trim_end(.code)
+    }
+);
+
+select CriminalRecord {**};
+
+select chen {criminal_records:= .<involved[is CriminalRecord] {**}};
+
+select Character {name, criminal_records:= .<involved[is CriminalRecord] {**}};
+
+insert Scene {
+      title:= "黑白顛倒",
+      detail:= "永仁留下多次案底，並曾經被建明逮捕，但也逐漸取得黑社會的信任。" ++
+               "建明畢業後則由警員（PC）做起，表現優異，獲面試晉陞見習督察（PI）" ++
+               "的機會。兩人的路就像黑白顛倒一般，誰是好人，誰又是壞人呢？",
+      remarks:= "1.假設此時為1994年。",       
+      who:= {chen, lau},
+      `when`:= year_1994,
+      where:= police_station,  
+};
\ No newline at end of file
diff --git a/proj_info/queries/scene04/01_start.edgeql b/proj_info/queries/scene04/01_start.edgeql
new file mode 100755
index 0000000..d77a276
--- /dev/null
+++ b/proj_info/queries/scene04/01_start.edgeql
@@ -0,0 +1,29 @@
+insert FuzzyTime {fuzzy_year:= 2002, fuzzy_month:=11, fuzzy_day:=28};
+
+insert Store {name:="Hi-Fi鋪"};
+
+update lau 
+set {
+    actors+= (insert Actor {
+            name:="劉德華",
+            eng_name:= "Andy",
+            nickname:= "華仔",
+   })
+};
+
+update chen 
+set {
+    classic_lines := ["高音甜、中音準、低音勁。一句講哂，通透啦即係。"],
+    actors+= (insert Actor {
+            name:="梁朝偉",
+            eng_name:= "Tony",
+            nickname:= "偉仔",
+   })
+};
+
+insert ChenLauContact {
+    how:= "面對面",
+    detail:= "臥底近十年後，建明與永仁在Hi-Fi鋪相遇，一起試聽了`被遺忘的時光", 
+    `when`:=  assert_single((select FuzzyTime filter .fuzzy_fmt="2002/11/28_HH24:MI:SS_ID")),
+    where:= assert_single((select Store filter .name="Hi-Fi鋪")),
+};
diff --git a/proj_info/queries/scene04/02_end.edgeql b/proj_info/queries/scene04/02_end.edgeql
new file mode 100755
index 0000000..291e9b2
--- /dev/null
+++ b/proj_info/queries/scene04/02_end.edgeql
@@ -0,0 +1,15 @@
+select test_hi_fi_store_open(); # {true}
+
+select test_hi_fi_store_close(); # {true}
+
+insert Scene {
+    title:= "被遺忘的時光",
+    detail:= "臥底近十年後，建明與永仁在Hi-Fi鋪相遇。建明請永仁推薦設備，並一起" ++
+             "試聽了`被遺忘的時光`。試聽過程中，建明請永仁換了一條音源線，歌聲立" ++
+             "刻變得更加立體，好像真人就在眼前唱歌一般，畢竟這首歌建明聽過太多次，" ++
+             "有太多懷念的過去（詳情請見無間道Ⅱ）。",
+    remarks:= "簽單日期為2002/11/28", 
+    who:= {chen, lau},
+    `when`:=  assert_single((select FuzzyTime filter .fuzzy_fmt="2002/11/28_HH24:MI:SS_ID")),
+    where:= assert_single((select Store filter .name="Hi-Fi鋪")),         
+};
\ No newline at end of file
diff --git a/proj_info/queries/scene05/01_start.edgeql b/proj_info/queries/scene05/01_start.edgeql
new file mode 100755
index 0000000..d4bfd61
--- /dev/null
+++ b/proj_info/queries/scene05/01_start.edgeql
@@ -0,0 +1 @@
+insert FuzzyTime {fuzzy_year:= 2002};
\ No newline at end of file
diff --git a/proj_info/queries/scene05/02_end.edgeql b/proj_info/queries/scene05/02_end.edgeql
new file mode 100755
index 0000000..53df373
--- /dev/null
+++ b/proj_info/queries/scene05/02_end.edgeql
@@ -0,0 +1,41 @@
+update chen 
+set {
+    classic_lines := .classic_lines ++ 
+            ["你話三年。三年之後又三年，三年之後又三年！十年都嚟緊頭啦老細！",
+             "收嗲啦！呢句嘢我聽咗九千幾次啦！"],
+};
+
+update wong 
+set {
+    classic_lines := ["你25號生日嘛!25仔!"],
+};
+
+select <datetime>"1992-12-01T00:00:00+08";
+select to_datetime("1992-12-01T00:00:00+08");
+select to_datetime(1992, 12, 1, 0, 0, 0, "Asia/hong_kong");
+select to_datetime(<cal::local_datetime>"1992-12-01T00:00:00", "Asia/hong_kong");
+
+select <cal::relative_duration>"9 years 10 months";
+
+select <datetime>"1992-12-01T00:00:00+08" + <cal::relative_duration>"9 years 10 months";
+
+with t:=(select <datetime>"1992-12-01T00:00:00+08" + <cal::relative_duration>"9 years 10 months")
+select cal::to_local_datetime(t, "Asia/hong_kong");
+
+select <cal::local_datetime>"1992-12-01T00:00:00" + <cal::relative_duration>"9 years 10 months";
+
+select <cal::local_date>"2002-10-25" - <cal::local_date>"2002-10-01";
+
+insert Scene {
+      title:= "三年之後又三年",
+      detail:= "永仁與黃sir相約於天台交換情報，韓琛將於這星期進行毒品" ++
+               "交易，地點未知。黃sir則說他費盡心力將永仁傷人的案子由" ++
+               "坐牢改成看心理醫生，交待永仁要照做。永仁抱怨自己被黃sir" ++
+               "騙了，說好只當三年臥底，結果現在都快十年了，不知道何時才" ++
+               "能恢復警察身份。十年間發生了太多事，永仁看著黃sir送的手錶" ++
+               "，他有時候真的不知道該用什麼心態面對黃sir（詳情請見無間道Ⅱ" ++
+               "及無間道Ⅲ）。",
+      who:= {wong, chen},
+      `when`:= year_2002,
+      where:= (insert Location {name:="天台"}),         
+};
diff --git a/proj_info/queries/scene06/01_start_end.edgeql b/proj_info/queries/scene06/01_start_end.edgeql
new file mode 100755
index 0000000..dad31e8
--- /dev/null
+++ b/proj_info/queries/scene06/01_start_end.edgeql
@@ -0,0 +1,143 @@
+insert Location {name:="大廈三樓"};
+
+update wong 
+set {
+    police_rank:= PoliceRank.SP,
+    dept:= "有組織罪案及三合會調查科(O記)",
+};
+
+for i in range_unpack(range(1, 11))
+union (
+    insert Police {
+        name:=  "police_" ++ <str>i,
+        dept:= "有組織罪案及三合會調查科(O記)",
+        police_rank:= PoliceRank.SPC,
+    }
+);
+
+update lau 
+set {
+    police_rank:= PoliceRank.SIP,
+    dept:= "刑事情報科(CIB)",
+};
+
+insert Police{
+    name:= "林國平",
+    nickname:="大B",
+    police_rank:= PoliceRank.SSGT,
+    dept:= "刑事情報科(CIB)",
+    actors:= (
+        insert Actor{
+            name:= "林家棟",
+            eng_name:= "Gordon",
+        }
+    )
+};
+
+for name in {"大象", "孖八"}
+union (
+    insert Police {
+        name:= name,
+        nickname:= name,
+        dept:= "刑事情報科(CIB)",
+        police_rank:= PoliceRank.SGT,
+    }
+);
+
+for i in range_unpack(range(11, 14))
+union (
+    insert Police {
+        name:=  "police_" ++ <str>i,
+        dept:= "刑事情報科(CIB)",
+        police_rank:= PoliceRank.SPC,
+    }
+);
+
+insert Gangster {
+    name:= "迪比亞路",
+    nickname:= "迪路",
+    gangster_boss:= hon,
+    gangster_rank:= GangsterRank.Leader,
+    actors:= (insert Actor {
+        name:= "林迪安", 
+        eng_name:="Dion",
+    }),
+};
+
+insert Gangster {
+    name:= "徐偉強",
+    nickname:= "傻強",
+    gangster_boss:= hon,
+    gangster_rank:= GangsterRank.Leader,
+    actors:= (insert Actor {
+        name:= "杜汶澤", 
+        eng_name:= "Edward",
+    }),
+};
+
+for i in range_unpack(range(1, 11))
+union (
+    insert Gangster {
+        name:=  "gangster_" ++ <str>i,
+        gangster_boss:= hon,
+        gangster_rank:= GangsterRank.Nobody,
+    }
+);
+
+for loc in {"葵涌碼頭", "三號幹線", "龍鼓灘"}
+union (
+    insert Landmark{
+        name:= loc,
+    }
+);
+
+insert ChenLauContact {
+    how:= "面對面",
+    detail:= "黃sir帶隊進入韓琛毒品交易現場",
+    `when`:= year_2002,
+    where:= assert_single((select Location filter .name="大廈三樓")),
+};
+
+with p:= Police union PoliceSpy union GangsterSpy,
+     g:= (group p by .police_rank),
+select g {**};
+
+with p:= Police union PoliceSpy union GangsterSpy,
+     g:= (group p by .police_rank),
+select g {police_rank:= .key.police_rank, 
+          counts:= count(.elements)}
+order by .police_rank desc;
+
+with g:= (group Place 
+          using name_length:= len(.name)
+          by name_length),
+select g {name_length:= .key.name_length ,
+          counts:= count(.elements),
+          names:= .elements.name}
+order by .name_length desc;
+
+with g:= (group Place 
+          using name_length:= len(.name)
+          by name_length),
+select g {name_length:= .key.name_length ,
+          counts:= count(.elements),
+          names:= .elements.name}
+order by .counts desc;
+
+with policemen:= (select Police filter .dept in {"有組織罪案及三合會調查科(O記)", "刑事情報科(CIB)"}),
+     gangsters:= (select Gangster filter .gangster_boss=hon)
+insert Scene {
+      title:= "有內鬼終止交易",
+      detail:= "O記聯合CIB準備於今晚韓琛與泰國佬交易可卡因（古柯鹼）時，來個" ++
+               "人贓並獲。建明知道後，假裝打電話給家人，通知韓琛。韓琛一直監" ++
+               "聽警方頻道，並指示迪路和傻強四處亂晃，不要前往交易地點。過程中，" ++
+               "永仁一直以摩斯密碼與黃sir聯絡。黃sir在得知韓琛監聽頻道後，隨即" ++
+               "轉換頻道，並使用舊頻道發出今晚行動取消的指令。韓琛信以為真，指示" ++
+               "迪路和傻強可以前往龍鼓灘交易。正當交易完成，黃sir準備先逮捕迪路" ++
+               "和傻強將毒品扣下，再衝進屋逮捕韓琛之際，建仁使用簡訊傳送「有內鬼，" ++
+               "終止交易」到韓琛所在位置附近的所有手機。",
+      who:= policemen union gangsters union {chen, lau, hon},
+      `when`:= year_2002,
+      where:= (select Place filter .name="大廈三樓" or .name="龍鼓灘"),         
+      remarks:= "1.假設國平官階為`SSGT`，大象與孖八官階為`SGT`。"  
+};
\ No newline at end of file
diff --git a/proj_info/queries/scene07/02_1st.edgeql b/proj_info/queries/scene07/02_1st.edgeql
new file mode 100755
index 0000000..3755853
--- /dev/null
+++ b/proj_info/queries/scene07/02_1st.edgeql
@@ -0,0 +1,30 @@
+insert Store {name:="龍鼓灘"};
+
+insert Beverage {
+    name:= "熱奶茶",
+    produced_by:= assert_single((select Store filter .name="龍鼓灘")),
+    consumed_by:= lau,
+    `when`:= (insert FuzzyTime {fuzzy_hour:=15, fuzzy_minute:=15}), #三點三
+    where:= police_station,
+};
+
+insert Beverage {
+    name:= "綠茶",
+    consumed_by:= lau,
+    `when`:= (insert FuzzyTime {fuzzy_hour:=20, fuzzy_minute:=15}),
+    where:= assert_single((select Location filter .name="大廈三樓")),
+};
+
+insert Beverage {
+    name:= "凍檸茶",
+    produced_by:= assert_single((select Store filter .name="龍鼓灘")),
+    consumed_by:= hon,
+    `when`:= (insert FuzzyTime {fuzzy_hour:=23, fuzzy_minute:=15}),
+    where:= police_station,
+};
+
+select Beverage {name} filter .consumed_by=lau;
+
+select lau {name, nickname, beverages:= .<consumed_by[is Beverage] {name}};
+
+select lau {name, nickname, beverages:= .<consumed_by[is Beverage] {name, where : {name}}};
\ No newline at end of file
diff --git a/proj_info/queries/scene07/03_end.edgeql b/proj_info/queries/scene07/03_end.edgeql
new file mode 100755
index 0000000..a61ca1f
--- /dev/null
+++ b/proj_info/queries/scene07/03_end.edgeql
@@ -0,0 +1,33 @@
+select(insert CIBTeamTreat).team_treat;
+
+select(insert CIBTeamTreat) {team_treat_number, team_treat, points:= .colleagues@point};
+
+select(insert CIBTeamTreat) {team_treat_number, team_treat, colleagues: {name, @point}};
+
+update hon 
+set {
+    classic_lines := .classic_lines ++  ["你見過有人去殯儀館和屍體握手嗎?"],
+};
+
+insert ChenLauContact {
+    how:= "面對面",
+    detail:= "毒品被韓琛手下迪路與傻強銷毀，永仁隨韓琛一起被帶回警察局",
+    `when`:= year_2002,
+    where:= police_station,
+};
+
+insert Scene {
+      title:= "互猜底牌",
+      detail:= "韓琛千鈞一髮之際收到建明簡訊，緊急打給迪路與傻強，將與" ++
+               "泰國佬交易的可卡因丟進海裡。黃sir見行動失敗，只得暫時" ++
+               "將韓琛及其手下帶回警察局。回警察局後，黃sir確認證據不" ++
+               "足以起訴韓琛後，帶隊來到韓琛用餐的房間。黃sir藉機嘲諷" ++
+               "韓琛，雖然這次無法逮捕他，但以令他損受幾千萬。韓琛聽" ++
+               "後，瞬間翻臉將桌上食物往黃sir座位掃去。兩人言談間針鋒" ++
+               "相對，互相猜測著對方安排在己方的臥底是誰。最後，韓琛囂" ++
+               "張地帶著手下們大步離去。",
+      who:= (select Gangster filter .nickname in {"迪路", "傻強"}) union {wong, chen, hon, lau},
+      `when`:= year_2002,
+      where:= police_station,
+      remarks:= "1.假設建明喝綠茶時間為20:15。\n2.假設韓琛於23:15喝凍檸茶。"         
+};
diff --git a/proj_info/queries/scene08/02_1st.edgeql b/proj_info/queries/scene08/02_1st.edgeql
new file mode 100755
index 0000000..3cf3745
--- /dev/null
+++ b/proj_info/queries/scene08/02_1st.edgeql
@@ -0,0 +1,6 @@
+insert Envelope;
+
+update lau 
+set {
+    dept:= "投訴及內部調查科", 
+};
diff --git a/proj_info/queries/scene08/03_end.edgeql b/proj_info/queries/scene08/03_end.edgeql
new file mode 100755
index 0000000..712895c
--- /dev/null
+++ b/proj_info/queries/scene08/03_end.edgeql
@@ -0,0 +1,38 @@
+with names:= array_join(array_agg(Police.name), " "), 
+       module ext::pg_trgm,
+select word_similar("陳永仁", names);
+
+with names:= array_join(array_agg(Police.name), " "), 
+       module ext::pg_trgm,
+select word_similarity("陳永仁", names);
+
+with names:= array_join(array_agg(Police.name union PoliceSpy.name), " "), 
+     module ext::pg_trgm,
+select word_similar("陳永仁", names);
+
+with names:= array_join(array_agg(Police.name union PoliceSpy.name), " "), 
+     module ext::pg_trgm,
+select word_similarity("陳永仁", names);
+
+with names:= array_join(array_agg(Police.name union PoliceSpy.name), " "), 
+     module ext::pg_trgm,
+select word_similarity("陳永仨", names);
+
+insert Scene {
+      title:= "誰是內鬼", 
+      detail:= "毒品交易失敗後，韓琛確信身邊有警察臥底。依照建明要求，" ++
+               "將所有小弟的個人資料裝在信封中，於電影院L13位置交給建" ++
+               "明。永仁偷偷在後觀察並尾隨建明離開，欲看清其模樣，不料" ++
+               "手機突然響起，因而錯失良機。而建明也隱約感覺到有人跟蹤，" ++
+               "隱於牆後查看但未發現人跡。另一方面，警隊高層也懷疑韓琛" ++
+               "安插了臥底，於是將建明調至內務部並在O記辦公，專門調查此" ++
+               "事。建明依照韓琛所給資料於警隊資料庫中進行搜尋，卻無發現" ++
+               "。於此同時，韓琛試探了身邊所有小弟，包括永仁與傻強...",
+      who:= {hon, chen, lau},
+      `when`:= (insert FuzzyTime {
+                     fuzzy_year:= 2002,
+                     fuzzy_month:= 11,
+                     fuzzy_day:= 23,
+              }),
+      where:= police_station union (insert Location {name:="電影院"}),         
+};
\ No newline at end of file
diff --git a/proj_info/queries/scene09/01_start_end.edgeql b/proj_info/queries/scene09/01_start_end.edgeql
new file mode 100755
index 0000000..cef2056
--- /dev/null
+++ b/proj_info/queries/scene09/01_start_end.edgeql
@@ -0,0 +1,107 @@
+set global current_user_id:= (select Police filter .police_rank=PoliceRank.SP limit 1).id;
+
+select test_alias();
+
+reset global current_user_id;
+
+select validate_password(morse_code_of_undercover); # {true}
+select validate_password("27149"); # {false}
+
+set global current_user_id:= (select Police filter .police_rank=PoliceRank.SP limit 1).id;
+
+# insert PoliceSpy {name:= "test_police_spy_by_SP"}; # AccessPolicyError
+
+select PoliceSpy;
+
+update PoliceSpy
+filter .name="陳永仁"
+set {
+    nickname:= .nickname ++ "!",
+}; # {}
+
+delete PoliceSpy filter .name="陳永仁"; # {}
+
+insert PoliceSpyFile {
+    colleagues:= chen,
+    classified_info:= "Handler: test_SP...",
+};
+
+select PoliceSpyFile; 
+
+select list_police_spy_names(morse_code_of_undercover); # {Json("{\"names\": [\"陳永仁\"]}")}
+select list_police_spy_names("abc"); # {Json("{\"names\": []}")}
+
+update PoliceSpyFile filter .classified_info="Handler: test_SP..."
+set {
+    classified_info:= .classified_info ++ "..."
+};
+
+delete PoliceSpyFile;
+
+reset global current_user_id;
+
+insert Police {name:= "test_DCP", police_rank:=PoliceRank.DCP};
+set global current_user_id:= (select Police filter .police_rank=PoliceRank.DCP limit 1).id;
+
+Insert PoliceSpy {name:= "test_police_spy_by_DPC"};
+
+select PoliceSpy;
+
+update PoliceSpy filter .name="test_police_spy_by_DPC"
+set {
+    nickname:= "test_police_spy_by_DPC",
+};
+
+delete PoliceSpy filter .nickname="test_police_spy_by_DPC";
+
+insert PoliceSpyFile {
+    colleagues:= chen,
+    classified_info:= "Handler: test_DCP...",
+};
+
+select PoliceSpyFile; 
+
+select list_police_spy_names(morse_code_of_undercover); # {Json("{\"names\": [\"陳永仁\"]}")}
+select list_police_spy_names("abc"); # {Json("{\"names\": []}")}
+
+update PoliceSpyFile filter .classified_info="Handler: test_DCP..."
+set {
+    classified_info:= .classified_info ++ "..."
+};
+
+delete PoliceSpyFile;
+
+
+insert ChenLauContact {
+    how:= "電話",
+    detail:= "黃sir殉職後，建明以黃sir手機聯絡永仁",
+    `when`:= assert_single((select FuzzyTime filter .fuzzy_fmt="2002/11/23_HH24:MI:SS_ID")),
+    where:= police_station union (insert Location {name:= "電車站"}),
+};
+
+
+insert ChenLauContact {
+    how:= "面對面",
+    detail:= "建明擊斃韓琛後，終於在警局與永仁見面，並確認其臥底身份。",
+    `when`:= assert_single((select FuzzyTime filter .fuzzy_fmt="2002/11/23_HH24:MI:SS_ID")),
+    where:= police_station,
+};
+
+insert Scene {
+      title:= "真相大白", 
+      detail:= "建明得知黃sir將與警方臥底於大廈見面，通知韓琛。韓琛一面派" ++
+               "手下到大廈，一面進行毒品交易。黃sir為掩護永仁離開，被韓琛" ++
+               "手下丟下樓，寧願殉職而不發一言。黃sir死後，建明聯手永仁於" ++
+               "停車場擊斃韓琛，最終兩人於警察局見面。當建明正幫永仁處理臥" ++
+               "底檔案時，永仁發現其親手所寫帶有「標」字的信封竟然在建明桌上，" ++
+               "醒悟原來建明就是韓琛派至警隊的臥底，立即悄然離開。",
+      who:= (select Gangster filter .nickname in {"迪路", "傻強"}) union {wong, chen, hon, lau},
+      `when`:= assert_single((select FuzzyTime filter .fuzzy_fmt="2002/11/23_HH24:MI:SS_ID")),
+      where:=  (select Location filter .name in {"天台", "電車站"}) union 
+               police_station union
+               (select(insert Location {name:="停車場"})),         
+};
+
+delete Police filter .name="test_DCP";
+
+reset global current_user_id;
\ No newline at end of file
diff --git a/proj_info/queries/scene10/01_start.edgeql b/proj_info/queries/scene10/01_start.edgeql
new file mode 100755
index 0000000..eee927a
--- /dev/null
+++ b/proj_info/queries/scene10/01_start.edgeql
@@ -0,0 +1,75 @@
+with one_dcp:= (select Police filter .police_rank=PoliceRank.DCP limit 1)
+select if exists one_dcp then {
+    (select one_dcp.id)
+} else {
+    (select (select (insert Police {name:= "test_DCP", police_rank:=PoliceRank.DCP})).id)
+};
+
+set global current_user_id:= (select Police filter .police_rank=PoliceRank.DCP limit 1).id;
+
+update chen 
+set {
+    classic_lines := .classic_lines ++ ["對唔住，我係差人。"],
+};
+
+update lau 
+set {
+    classic_lines := ["我以前無得揀，我而家想做好人。"],
+};
+
+with b:= assert_single((select Police filter .name="林國平"))
+insert GangsterSpy {
+      name:= b.name,
+      nickname:= b.nickname,
+      police_rank:= b.police_rank,
+      gangster_boss:= hon,
+      dept:= b.dept,
+      actors:= b.actors
+};
+
+
+insert ChenLauContact {
+    how:= "面對面",
+    detail:= "建明與永仁相約於天台上談判",
+    `when`:=  (insert FuzzyTime {
+                fuzzy_year:=2002,
+                fuzzy_month:=11,
+                fuzzy_day:=27,
+                fuzzy_hour:=15,
+                fuzzy_minute:=0,
+                fuzzy_second:=0,
+            }),
+    where:= (select Location filter .name="天台"),
+};
+
+
+
+insert Character {
+    name:= "Mary",
+    eng_name:= "Mary",
+    lover:= lau,
+    actors:= (insert Actor{
+        name:= "鄭秀文",
+        eng_name:= "Sammi",
+    }),
+};
+
+
+update lau 
+set {
+    lover:= assert_single((select Character filter .name="Mary")),
+};
+
+insert Character {
+    name:= "李心兒",
+    lover:= chen,
+    actors:= (insert Actor{
+        name:= "陳慧琳",
+        eng_name:= "Kelly",
+    }),
+};
+
+update chen 
+set {
+    lover:= assert_single((select Character filter .name="李心兒")),
+};
\ No newline at end of file
diff --git a/proj_info/queries/scene10/02_end.edgeql b/proj_info/queries/scene10/02_end.edgeql
new file mode 100755
index 0000000..39a9258
--- /dev/null
+++ b/proj_info/queries/scene10/02_end.edgeql
@@ -0,0 +1,79 @@
+with one_dcp:= (select Police filter .police_rank=PoliceRank.DCP limit 1)
+select if exists one_dcp then {
+    (select one_dcp.id)
+} else {
+    (select (select (insert Police {name:= "test_DCP", police_rank:=PoliceRank.DCP})).id)
+};
+
+set global current_user_id:= (select Police filter .police_rank=PoliceRank.DCP limit 1).id;
+
+
+
+insert Character{
+    name:= "May",
+    eng_name:= "May",
+    lovers:= chen,
+    actors:= (insert Actor{
+        name:= "蕭亞軒",
+        eng_name:= "Elva",
+    }),
+};
+
+update chen 
+set {
+    lovers+= assert_single((select Character filter .name="May")),
+};
+
+select chen.lovers.name;
+
+update Character filter .name="陳永仁"
+set {lovers:= (select Character filter .name="李心兒")};
+
+update chen
+set {lovers:= (select Character filter .name="李心兒")};
+
+with ch:= (select Character filter .name="陳永仁")
+update ch
+set {lovers:= (select Character filter .name="李心兒")};
+
+update PoliceSpy filter .name="陳永仁"
+set {lovers:= (select Character filter .name="李心兒")};
+
+update Character filter .name="陳永仁"
+set {lovers:= (select detached Character filter .name="李心兒")};
+
+
+insert Scene {
+      title:= "我想做個好人", 
+      detail:= "建明與永仁於天台相見，不料國平也趕到。永仁事先已報警，想持槍壓著建明" ++
+               "到樓下交予警方。不料，於進電梯時被國平擊斃，原來他也是韓琛安裝於警" ++ 
+               "隊的臥底。國平向建明表明身份，希望之後一起合作。但最終建明選擇於電梯" ++
+               "中殺死國平，並營造永仁與國平雙雙死於槍戰的假象。事後，心兒於葉校長遺" ++
+               "物中發現永仁臥底檔案，恢復其警察身份，並由建明代表行禮。",
+      who:=  (select Police filter .name="林國平") union 
+             (select PoliceSpy filter .name="林國平") union
+             {chen, lau},
+      `when`:= assert_single((select FuzzyTime filter .fuzzy_fmt="2002/11/27_15:00:00_ID")),
+      where:= (select Location filter .name="天台"),    
+};
+
+select Police filter .name="test_DCP";
+
+with pid:= <str>(select Police filter .name="test_DCP").id,
+select Police filter .id=<uuid>pid;
+
+with pid:= <str>(select Police filter .name="test_DCP").id,
+select <Police><uuid>pid;
+
+with pid:= <str>(select Police filter .name="test_DCP").id,
+select (<Police><uuid>pid) {*};
+
+with pid:= (select Police filter .name="test_DCP").id,
+select <Police>pid;
+
+with pid:= <str>(select Police filter .name="test_DCP").id,
+delete <Police><uuid>pid;
+
+reset global current_user_id;
+
+