diff --git a/script/script/api/create/1.title.sql b/script/script/api/create/1.title.sql
deleted file mode 100644
index fb81579..0000000
--- a/script/script/api/create/1.title.sql
+++ /dev/null
@@ -1,27 +0,0 @@
--- get_title()
-create function tj.get_title() returns text as
-$$
-declare
-    title text;
-begin
-    select value into title from tj.title;
-    return title;
-end;
-$$ language plpgsql;
-
--- set_title()
-create function tj.set_title(new_title text) returns void as
-$$
-declare
-    old_title text;
-    redo text;
-    undo text;
-begin
-    select tj.get_title() into old_title;
-    update tj.title set value = new_title where value = old_title;
-
-    redo := concat('update tj.title set value = ''', new_title, ''' where value = ''', old_title, '''');
-    undo := concat('update tj.title set value = ''', old_title, ''' where value = ''', new_title, '''');
-    perform tj.add_operation(redo, undo);
-end;
-$$ language plpgsql;
diff --git a/script/script/api/create/operation.sql b/script/script/api/create/operation.sql
deleted file mode 100644
index ad56cdf..0000000
--- a/script/script/api/create/operation.sql
+++ /dev/null
@@ -1,109 +0,0 @@
-create function tj.add_operation(redo text, undo text) returns void as
-$$
-declare
-    parent_id int;
-    curr_id int;
-begin
-    select id into parent_id from tj.current_operation;
-    insert into tj.operation (id, redo, undo, parent) values (default, redo, undo, parent_id);
-    select max(id) into curr_id from tj.operation;
-    update tj.current_operation set id = curr_id where id = parent_id;
-end;
-$$ language plpgsql;
-
-create function tj.have_transaction() returns boolean as
-$$
-declare
-    tran_count int;
-begin
-    select count(*) into tran_count from tj.transaction_operation;
-    return tran_count > 0;
-end;
-$$ language plpgsql;
-
-create function tj.execute_undo(discard boolean) returns void as
-$$
-declare
-    curr_id int;
-    have_tran boolean;
-    tran_id int;
-    strict_mode boolean;
-    undo_sql text;
-    parent_id int;
-begin
-    select id into curr_id from tj.current_operation;
-
-    select tj.have_transaction() into have_tran;
-    if have_tran then
-        select strict into strict_mode from tj.transaction_operation;
-        if strict_mode then
-            return; -- strict mode disallow undo
-        else
-            select id into tran_id from tj.transaction_operation;
-            if tran_id >= curr_id then
-                return; -- # normal mode disallow undo start point, and there is foreign key constraint
-            end if;
-        end if;
-    end if;
-
-    select undo into undo_sql from tj.operation where id = curr_id;
-    if undo_sql = '' then
-        return;
-    end if;
-
-    select parent into parent_id from tj.operation where id = curr_id;
-    if discard then
-        update tj.operation set redo_child = null where id = parent_id;
-    else
-        update tj.operation set redo_child = curr_id where id = parent_id;
-    end if;
-
-    execute undo_sql;
-
-    update tj.current_operation set id = parent_id where id = curr_id;
-
-    if discard then
-        delete from tj.transaction_operation where id = curr_id;
-        delete from tj.snapshot_operation where id = curr_id;
-        delete from tj.operation where id = curr_id;
-    end if;
-end;
-$$ language plpgsql;
-
-create function tj.undo() returns void as
-$$
-declare
-begin
-    perform tj.execute_undo(false);
-end;
-$$ language plpgsql;
-
-create function tj.discard_undo() returns void as
-$$
-declare
-begin
-    perform tj.execute_undo(true);
-end;
-$$ language plpgsql;
-
-create function tj.redo() returns void as
-$$
-declare
-    curr_id int;
-    child_id int;
-    redo_sql text;
-begin
-    select id into curr_id from tj.current_operation;
-
-    select redo_child into child_id from tj.operation where id = curr_id;
-    if child_id = null then
-        return;
-    end if;
-
-    select redo into redo_sql from tj.operation where id = child_id;
-
-    execute redo_sql;
-
-    update tj.current_operation set id = child_id where id = curr_id;
-end;
-$$ language plpgsql;
\ No newline at end of file
diff --git a/script/script/api/create/project.sql b/script/script/api/create/project.sql
deleted file mode 100644
index 50e8197..0000000
--- a/script/script/api/create/project.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-create function tj.have_project(in_name text) returns boolean as
-$$
-declare
-    db_count int;
-begin
-    select count(*) into db_count from pg_database where datname = in_name;
-    return db_count > 0;
-end;
-$$ language plpgsql;
diff --git a/script/script/api/drop/1.title.sql b/script/script/api/drop/1.title.sql
deleted file mode 100644
index 9bef302..0000000
--- a/script/script/api/drop/1.title.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-drop function if exists tj.set_title;
-
-drop function if exists tj.get_title;
\ No newline at end of file
diff --git a/script/script/api/drop/operation.sql b/script/script/api/drop/operation.sql
deleted file mode 100644
index 1692da5..0000000
--- a/script/script/api/drop/operation.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-drop function if exists tj.redo;
-
-drop function if exists tj.discard_undo;
-drop function if exists tj.undo;
-drop function if exists tj.execute_undo;
-
-drop function if exists tj.have_transaction;
-
-drop function if exists tj.add_operation;
\ No newline at end of file
diff --git a/script/script/api/plpgsql.sql b/script/script/api/plpgsql.sql
deleted file mode 100644
index 06c96e0..0000000
--- a/script/script/api/plpgsql.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-create function xxx() returns void as
-$$
-declare
-begin
-end;
-$$ language plpgsql;
\ No newline at end of file
diff --git a/script/script/table/create/0.base.sql b/script/script/table/create/0.base.sql
deleted file mode 100644
index 91b48c0..0000000
--- a/script/script/table/create/0.base.sql
+++ /dev/null
@@ -1,35 +0,0 @@
-create type tj.node_type as enum
-(
-  'junction'
-, 'reservoir'
-, 'tank'
-);
-
-create type tj.link_type as enum
-(
-  'pipe'
-, 'pump'
-, 'valve'
-);
-
-create table tj.node
-(
-  id varchar(32) primary key
-, type tj.node_type  not null
-);
-
-create table tj.link
-(
-  id varchar(32) primary key
-, type tj.link_type  not null
-);
-
-create table tj.curve
-(
-  id varchar(32) primary key
-);
-
-create table tj.pattern
-(
-  id varchar(32) primary key
-);
diff --git a/script/script/table/create/1.title.sql b/script/script/table/create/1.title.sql
deleted file mode 100644
index 8ba6426..0000000
--- a/script/script/table/create/1.title.sql
+++ /dev/null
@@ -1,8 +0,0 @@
--- [title]
-
-create table tj.title
-(
-  value text
-);
-
-insert into tj.title (value) values ('');
diff --git a/script/script/table/create/10.status.sql b/script/script/table/create/10.status.sql
deleted file mode 100644
index c736c76..0000000
--- a/script/script/table/create/10.status.sql
+++ /dev/null
@@ -1,33 +0,0 @@
--- [status]
-
-create type tj.status_pipe_pump_status as enum
-(
-  'open'
-, 'closed'
-);
-
-create table tj.status_pipe
-(
-  id varchar(32) primary key references tj.pipes(id)
-, status tj.status_pipe_pump_status not null
-);
-
-create table tj.status_pump
-(
-  id varchar(32) primary key references tj.pumps(id)
-, status tj.status_pipe_pump_status not null
-);
-
-create type tj.status_valve_status as enum ('open', 'closed', 'active');
-
-create table tj.status_valve
-(
-  id varchar(32) primary key references tj.valves(id)
-, status tj.status_valve_status not null
-);
-
-create table tj.status_link
-(
-  id varchar(32) primary key references tj.link(id)
-, setting numeric not null
-);
diff --git a/script/script/table/create/11.patterns.sql b/script/script/table/create/11.patterns.sql
deleted file mode 100644
index 8cd9ad6..0000000
--- a/script/script/table/create/11.patterns.sql
+++ /dev/null
@@ -1,7 +0,0 @@
--- [patterns]
-
-create table tj.patterns
-(
-  id varchar(32) references tj.pattern(id) not null
-, multipliers numeric not null
-);
diff --git a/script/script/table/create/12.curves.sql b/script/script/table/create/12.curves.sql
deleted file mode 100644
index 2467450..0000000
--- a/script/script/table/create/12.curves.sql
+++ /dev/null
@@ -1,8 +0,0 @@
--- [curves]
-
-create table tj.curves
-(
-  id varchar(32) references tj.curve(id) not null
-, x numeric not null
-, y numeric not null
-);
diff --git a/script/script/table/create/13.controls.sql b/script/script/table/create/13.controls.sql
deleted file mode 100644
index ab34bb0..0000000
--- a/script/script/table/create/13.controls.sql
+++ /dev/null
@@ -1,30 +0,0 @@
--- [controls]
-
-create type tj.controls_1_prep as enum ('above', 'below');
-
--- link  linkid  status  if node   nodeid  above / below   value
-create table tj.controls_1
-(
-  linkid varchar(32) primary key references tj.link(id)
-, status text not null -- open / closed, a pump speed setting, or a control valve setting
-, nodeid varchar(32) references tj.node(id) not null
-, prep tj.controls_1_prep not null
-, value numeric not null
-);
-
---  link linkid   status   at time  time
-create table tj.controls_2
-(
-  linkid varchar(32) primary key references tj.link(id)
-, status text not null -- open / closed, a pump speed setting, or a control valve setting
-, time interval hour
-);
-
---  link linkid   status   at clocktime clocktime   am / pm
-create table tj.controls_3
-(
-  linkid varchar(32) primary key references tj.link(id)
-, status text not null -- open / closed, a pump speed setting, or a control valve setting
-, clocktimehour interval hour -- get am/pm from it
-, clocktimemin  interval minute
-);
diff --git a/script/script/table/create/14.rules.sql b/script/script/table/create/14.rules.sql
deleted file mode 100644
index 617da6b..0000000
--- a/script/script/table/create/14.rules.sql
+++ /dev/null
@@ -1,6 +0,0 @@
--- [rules]
-
-create table tj.rules
-(
-  content text primary key
-);
diff --git a/script/script/table/create/15.energy.sql b/script/script/table/create/15.energy.sql
deleted file mode 100644
index 1544968..0000000
--- a/script/script/table/create/15.energy.sql
+++ /dev/null
@@ -1,29 +0,0 @@
--- [energy]
-
-create type tj.energy_param as enum
-(
-  'price'
-, 'pattern'
-, 'effic'
-);
-
--- global   price / pattern / effic   value
-create table tj.energy_global
-(
-  param tj.energy_param not null
-, value numeric not null
-);
-
--- pump  pumpid   price / pattern / effic  value
-create table tj.energy_pump
-(
-  id varchar(32) references tj.pumps(id) not null
-, param tj.energy_param not null
-, value numeric not null
-);
-
--- demand charge   value
-create table tj.energy_demand_charge
-(
-  value numeric not null
-);
diff --git a/script/script/table/create/16.emitters.sql b/script/script/table/create/16.emitters.sql
deleted file mode 100644
index 448b9e1..0000000
--- a/script/script/table/create/16.emitters.sql
+++ /dev/null
@@ -1,7 +0,0 @@
--- [emitters]
-
-create table tj.emitters
-(
-  junction varchar(32) primary key references tj.junctions(id)
-, coefficient numeric not null
-);
diff --git a/script/script/table/create/17.quality.sql b/script/script/table/create/17.quality.sql
deleted file mode 100644
index e972b30..0000000
--- a/script/script/table/create/17.quality.sql
+++ /dev/null
@@ -1,7 +0,0 @@
--- [quality]
-
-create table tj.quality
-(
-  node varchar(32) primary key references tj.node(id)
-, initialqual numeric not null
-);
diff --git a/script/script/table/create/18.sources.sql b/script/script/table/create/18.sources.sql
deleted file mode 100644
index 25d480d..0000000
--- a/script/script/table/create/18.sources.sql
+++ /dev/null
@@ -1,17 +0,0 @@
--- [sources]
-
-create type tj.sources_type as enum
-(
-  'concen'
-, 'mass'
-, 'flowpaced'
-, 'setpoint'
-);
-
-create table tj.sources
-(
-  node varchar(32) primary key references tj.node(id)
-, type tj.sources_type not null
-, strength numeric not null
-, timepattern varchar(32) references tj.pattern(id)
-);
diff --git a/script/script/table/create/19.reactions.sql b/script/script/table/create/19.reactions.sql
deleted file mode 100644
index 7ddab5d..0000000
--- a/script/script/table/create/19.reactions.sql
+++ /dev/null
@@ -1,55 +0,0 @@
--- [reactions]
-
-create type tj.reactions_order_param as enum
-(
-  'bulk'
-, 'wall'
-, 'tank'
-);
-
-create table tj.reactions_order
-(
-  key tj.reactions_order_param not null
-, value numeric not null
-);
-
-create type tj.reactions_global_param as enum
-(
-  'bulk'
-, 'wall'
-);
-
-create table tj.reactions_global
-(
-  key tj.reactions_global_param not null
-, value numeric not null
-);
-
-create type tj.reactions_pipe_param as enum
-(
-  'bulk'
-, 'wall'
-);
-
-create table tj.reactions_pipe
-(
-  key   tj.reactions_pipe_param not null
-, pipe  varchar(32) references tj.pipes(id) not null
-, value numeric not null
-);
-
-create table tj.reactions_tank
-(
-  tank  varchar(32) references tj.tanks(id) not null
-, value numeric not null
-);
-
-create table tj.reactions_limiting_potential
-(
-  value numeric not null
-);
-
-create table tj.reactions_roughness_correlation
-(
-  value numeric not null
-);
diff --git a/script/script/table/create/2.junctions.sql b/script/script/table/create/2.junctions.sql
deleted file mode 100644
index 6397246..0000000
--- a/script/script/table/create/2.junctions.sql
+++ /dev/null
@@ -1,9 +0,0 @@
--- [junctions]
-
-create table tj.junctions
-(
-  id varchar(32) primary key references tj.node(id)
-, elevation numeric not null
-, demand numeric
-, pattern varchar(32) references tj.pattern(id)
-);
diff --git a/script/script/table/create/20.mixing.sql b/script/script/table/create/20.mixing.sql
deleted file mode 100644
index 65acf21..0000000
--- a/script/script/table/create/20.mixing.sql
+++ /dev/null
@@ -1,16 +0,0 @@
--- [mixing]
-
-create type tj.mixing_model as enum
-(
-  'mixed'
-, '2comp'
-, 'fifo'
-, 'lifo'
-);
-
-create table tj.mixing
-(
-  tank  varchar(32) primary key references tj.tanks(id)
-, model tj.mixing_model not null
-, value numeric
-);
diff --git a/script/script/table/create/21.times.sql b/script/script/table/create/21.times.sql
deleted file mode 100644
index f66ce2d..0000000
--- a/script/script/table/create/21.times.sql
+++ /dev/null
@@ -1,9 +0,0 @@
--- [times]
-
--- todo: constraint
-
-create table tj.times
-(
-  key   text not null
-, value text not null
-);
diff --git a/script/script/table/create/22.report.sql b/script/script/table/create/22.report.sql
deleted file mode 100644
index 4434a05..0000000
--- a/script/script/table/create/22.report.sql
+++ /dev/null
@@ -1,9 +0,0 @@
--- [report]
-
--- todo: constraint
-
-create table tj.report
-(
-  key   text not null
-, value text not null
-);
diff --git a/script/script/table/create/23.options.sql b/script/script/table/create/23.options.sql
deleted file mode 100644
index cab34f4..0000000
--- a/script/script/table/create/23.options.sql
+++ /dev/null
@@ -1,9 +0,0 @@
--- [options]
-
--- todo: constraint
-
-create table tj.options
-(
-  key   text not null
-, value text not null
-);
diff --git a/script/script/table/create/24.coordinates.sql b/script/script/table/create/24.coordinates.sql
deleted file mode 100644
index 9b2af3b..0000000
--- a/script/script/table/create/24.coordinates.sql
+++ /dev/null
@@ -1,10 +0,0 @@
--- [coordinates]
-
-create table tj.coordinates
-(
-  node varchar(32) primary key references tj.node(id)
-, coord point not null
-);
-
-create index tj_coordinates_spgist on tj.coordinates using spgist(coord);
-create index tj_coordinates_gist on tj.coordinates using gist(coord);
diff --git a/script/script/table/create/25.vertices.sql b/script/script/table/create/25.vertices.sql
deleted file mode 100644
index 7b4d403..0000000
--- a/script/script/table/create/25.vertices.sql
+++ /dev/null
@@ -1,8 +0,0 @@
--- [vertices]
-
-create table tj.vertices
-(
-  link varchar(32) references tj.link(id) not null
-, x    numeric not null
-, y    numeric not null
-);
diff --git a/script/script/table/create/26.labels.sql b/script/script/table/create/26.labels.sql
deleted file mode 100644
index 3b41fce..0000000
--- a/script/script/table/create/26.labels.sql
+++ /dev/null
@@ -1,9 +0,0 @@
--- [labels]
-
-create table tj.labels
-(
-  x numeric not null
-, y numeric not null
-, label text not null
-, anchornode varchar(32) references tj.node(id)
-);
diff --git a/script/script/table/create/27.backdrop.sql b/script/script/table/create/27.backdrop.sql
deleted file mode 100644
index aea6d3b..0000000
--- a/script/script/table/create/27.backdrop.sql
+++ /dev/null
@@ -1,6 +0,0 @@
--- [backdrop]
-
-create table tj.backdrop
-(
-  content text primary key
-);
diff --git a/script/script/table/create/28.end.sql b/script/script/table/create/28.end.sql
deleted file mode 100644
index 3054ad0..0000000
--- a/script/script/table/create/28.end.sql
+++ /dev/null
@@ -1 +0,0 @@
--- [END]
\ No newline at end of file
diff --git a/script/script/table/create/3.reservoirs.sql b/script/script/table/create/3.reservoirs.sql
deleted file mode 100644
index e7562ec..0000000
--- a/script/script/table/create/3.reservoirs.sql
+++ /dev/null
@@ -1,8 +0,0 @@
--- [reservoirs]
-
-create table tj.reservoirs
-(
-  id varchar(32) primary key references tj.node(id)
-, head numeric not null
-, pattern varchar(32) references tj.pattern(id)
-);
diff --git a/script/script/table/create/4.tanks.sql b/script/script/table/create/4.tanks.sql
deleted file mode 100644
index 5a9a815..0000000
--- a/script/script/table/create/4.tanks.sql
+++ /dev/null
@@ -1,20 +0,0 @@
--- [tanks]
-
-create type tj.tanks_overflow as enum
-(
-  'yes'
-, 'no'
-);
-
-create table tj.tanks
-(
-  id varchar(32) primary key references tj.node(id)
-, elevation numeric not null
-, initlevel numeric not null
-, minlevel numeric not null
-, maxlevel numeric not null
-, diameter numeric not null
-, minvol numeric not null
-, volcurve varchar(32) references tj.curve(id)
-, overflow tj.tanks_overflow
-);
diff --git a/script/script/table/create/5.pipes.sql b/script/script/table/create/5.pipes.sql
deleted file mode 100644
index d7ec73e..0000000
--- a/script/script/table/create/5.pipes.sql
+++ /dev/null
@@ -1,20 +0,0 @@
--- [pipes]
-
-create type tj.pipes_status as enum
-(
-  'open'
-, 'closed'
-, 'cv'
-);
-
-create table tj.pipes
-(
-  id varchar(32) primary key references tj.link(id)
-, node1 varchar(32) references tj.node(id) not null
-, node2 varchar(32) references tj.node(id) not null
-, length numeric not null
-, diameter numeric not null
-, roughness numeric not null
-, minorloss numeric not null
-, status tj.pipes_status not null
-);
diff --git a/script/script/table/create/6.pumps.sql b/script/script/table/create/6.pumps.sql
deleted file mode 100644
index 0f5b0cf..0000000
--- a/script/script/table/create/6.pumps.sql
+++ /dev/null
@@ -1,32 +0,0 @@
--- [pumps]
-
-create table tj.pumps
-(
-  id varchar(32) primary key references tj.link(id)
-, node1 varchar(32) references tj.node(id) not null
-, node2 varchar(32) references tj.node(id) not null
-);
-
-create table tj.pumps_property_power
-(
-  id varchar primary key references tj.pumps(id)
-, value varchar(32) not null
-);
-
-create table tj.pumps_property_speed
-(
-  id varchar primary key references tj.pumps(id)
-, value varchar(32) not null
-);
-
-create table tj.pumps_property_head
-(
-  id varchar primary key references tj.pumps(id)
-, head varchar(32) references tj.curve(id) not null
-);
-
-create table tj.pumps_property_pattern
-(
-  id varchar primary key references tj.pumps(id)
-, pattern varchar(32) references tj.pattern(id) not null
-);
diff --git a/script/script/table/create/7.valves.sql b/script/script/table/create/7.valves.sql
deleted file mode 100644
index 5aa584d..0000000
--- a/script/script/table/create/7.valves.sql
+++ /dev/null
@@ -1,22 +0,0 @@
--- [valves]
-
-create type tj.valves_type as enum
-(
-  'prv'
-, 'psv'
-, 'pbv'
-, 'fcv'
-, 'tcv'
-, 'gpv'
-);
-
-create table tj.valves
-(
-  id varchar(32) primary key references tj.link(id)
-, node1 varchar(32) references tj.node(id) not null
-, node2 varchar(32) references tj.node(id) not null
-, diameter numeric not null
-, type tj.valves_type not null
-, setting numeric not null
-, minorloss numeric not null
-);
diff --git a/script/script/table/create/8.tags.sql b/script/script/table/create/8.tags.sql
deleted file mode 100644
index d98132c..0000000
--- a/script/script/table/create/8.tags.sql
+++ /dev/null
@@ -1,13 +0,0 @@
--- [tags]
-
-create table tj.tags_node
-(
-  id varchar(32) primary key references tj.node(id)
-, tag text not null
-);
-
-create table tj.tags_link
-(
-  id varchar(32) primary key references tj.link(id)
-, tag text not null
-);
diff --git a/script/script/table/create/9.demands.sql b/script/script/table/create/9.demands.sql
deleted file mode 100644
index e908227..0000000
--- a/script/script/table/create/9.demands.sql
+++ /dev/null
@@ -1,9 +0,0 @@
--- [demands]
-
-create table tj.demands
-(
-  junction varchar(32) references tj.junctions(id) not null
-, demand numeric not null
-, pattern varchar(32) references tj.pattern(id)
-, category text not null
-);
diff --git a/script/script/table/create/namespace.sql b/script/script/table/create/namespace.sql
deleted file mode 100644
index fc993ed..0000000
--- a/script/script/table/create/namespace.sql
+++ /dev/null
@@ -1 +0,0 @@
-create schema tj;
\ No newline at end of file
diff --git a/script/script/table/create/operation.sql b/script/script/table/create/operation.sql
deleted file mode 100644
index 524ef9e..0000000
--- a/script/script/table/create/operation.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-create table tj.operation
-(
-  id serial primary key
-, redo text not null
-, undo text not null
-, parent integer references tj.operation(id)
-, redo_child integer references tj.operation(id)
-);
-
-insert into tj.operation (id, redo, undo) values (0, '', '');
-
-create table tj.current_operation
-(
-  id integer primary key references tj.operation(id)
-);
-
-insert into tj.current_operation (id) values (0);
-
-create table tj.snapshot_operation
-(
-  id integer primary key references tj.operation(id)
-, tag text not null unique
-);
-
-create table tj.transaction_operation
-(
-  id integer primary key references tj.operation(id)
-, strict boolean not null default false
-);
diff --git a/script/script/table/drop/0.base.sql b/script/script/table/drop/0.base.sql
deleted file mode 100644
index 41c4f41..0000000
--- a/script/script/table/drop/0.base.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-drop table if exists tj.pattern;
-
-drop table if exists tj.curve;
-
-drop table if exists tj.link;
-
-drop table if exists tj.node;
-
-drop type if exists tj.link_type;
-
-drop type if exists tj.node_type;
diff --git a/script/script/table/drop/1.title.sql b/script/script/table/drop/1.title.sql
deleted file mode 100644
index a03e80a..0000000
--- a/script/script/table/drop/1.title.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [title]
-
-drop table if exists tj.title;
diff --git a/script/script/table/drop/10.status.sql b/script/script/table/drop/10.status.sql
deleted file mode 100644
index 232ca4d..0000000
--- a/script/script/table/drop/10.status.sql
+++ /dev/null
@@ -1,13 +0,0 @@
--- [status]
-
-drop table if exists tj.status_link;
-
-drop table if exists tj.status_valve;
-
-drop type if exists tj.status_valve_status;
-
-drop table if exists tj.status_pump;
-
-drop table if exists tj.status_pipe;
-
-drop type if exists tj.status_pipe_pump_status;
diff --git a/script/script/table/drop/11.patterns.sql b/script/script/table/drop/11.patterns.sql
deleted file mode 100644
index 5fb2b47..0000000
--- a/script/script/table/drop/11.patterns.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [patterns]
-
-drop table if exists tj.patterns;
diff --git a/script/script/table/drop/12.curves.sql b/script/script/table/drop/12.curves.sql
deleted file mode 100644
index 4874ee8..0000000
--- a/script/script/table/drop/12.curves.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [curves]
-
-drop table if exists tj.curves;
diff --git a/script/script/table/drop/13.controls.sql b/script/script/table/drop/13.controls.sql
deleted file mode 100644
index f6c0502..0000000
--- a/script/script/table/drop/13.controls.sql
+++ /dev/null
@@ -1,9 +0,0 @@
--- [controls]
-
-drop table if exists tj.controls_3;
-
-drop table if exists tj.controls_2;
-
-drop table if exists tj.controls_1;
-
-drop type if exists tj.controls_1_prep;
diff --git a/script/script/table/drop/14.rules.sql b/script/script/table/drop/14.rules.sql
deleted file mode 100644
index a920e6a..0000000
--- a/script/script/table/drop/14.rules.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [rules]
-
-drop table if exists tj.rules;
diff --git a/script/script/table/drop/15.energy.sql b/script/script/table/drop/15.energy.sql
deleted file mode 100644
index abf2e4a..0000000
--- a/script/script/table/drop/15.energy.sql
+++ /dev/null
@@ -1,9 +0,0 @@
--- [energy]
-
-drop table if exists tj.energy_demand_charge;
-
-drop table if exists tj.energy_pump;
-
-drop table if exists tj.energy_global;
-
-drop type if exists tj.energy_param;
diff --git a/script/script/table/drop/16.emitters.sql b/script/script/table/drop/16.emitters.sql
deleted file mode 100644
index ec23cd3..0000000
--- a/script/script/table/drop/16.emitters.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [emitters]
-
-drop table if exists tj.emitters;
diff --git a/script/script/table/drop/17.quality.sql b/script/script/table/drop/17.quality.sql
deleted file mode 100644
index 673cd2f..0000000
--- a/script/script/table/drop/17.quality.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [quality]
-
-drop table if exists tj.quality;
diff --git a/script/script/table/drop/18.sources.sql b/script/script/table/drop/18.sources.sql
deleted file mode 100644
index e9487c8..0000000
--- a/script/script/table/drop/18.sources.sql
+++ /dev/null
@@ -1,5 +0,0 @@
--- [sources]
-
-drop table if exists tj.sources;
-
-drop type if exists tj.sources_type;
diff --git a/script/script/table/drop/19.reactions.sql b/script/script/table/drop/19.reactions.sql
deleted file mode 100644
index 0dff3f0..0000000
--- a/script/script/table/drop/19.reactions.sql
+++ /dev/null
@@ -1,19 +0,0 @@
--- [reactions]
-
-drop table if exists tj.reactions_roughness_correlation;
-
-drop table if exists tj.reactions_limiting_potential;
-
-drop table if exists tj.reactions_tank;
-
-drop table if exists tj.reactions_pipe;
-
-drop type if exists tj.reactions_pipe_param;
-
-drop table if exists tj.reactions_global;
-
-drop type if exists tj.reactions_global_param;
-
-drop table if exists tj.reactions_order;
-
-drop type if exists tj.reactions_order_param;
diff --git a/script/script/table/drop/2.junctions.sql b/script/script/table/drop/2.junctions.sql
deleted file mode 100644
index 0b436c4..0000000
--- a/script/script/table/drop/2.junctions.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [junctions]
-
-drop table if exists tj.junctions;
diff --git a/script/script/table/drop/20.mixing.sql b/script/script/table/drop/20.mixing.sql
deleted file mode 100644
index f2adc25..0000000
--- a/script/script/table/drop/20.mixing.sql
+++ /dev/null
@@ -1,5 +0,0 @@
--- [mixing]
-
-drop table if exists tj.mixing;
-
-drop type if exists tj.mixing_model;
diff --git a/script/script/table/drop/21.times.sql b/script/script/table/drop/21.times.sql
deleted file mode 100644
index b56a5cf..0000000
--- a/script/script/table/drop/21.times.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [times]
-
-drop table if exists tj.times;
diff --git a/script/script/table/drop/22.report.sql b/script/script/table/drop/22.report.sql
deleted file mode 100644
index 03f771b..0000000
--- a/script/script/table/drop/22.report.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [report]
-
-drop table if exists tj.report;
diff --git a/script/script/table/drop/23.options.sql b/script/script/table/drop/23.options.sql
deleted file mode 100644
index dc8c63c..0000000
--- a/script/script/table/drop/23.options.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [options]
-
-drop table if exists tj.options;
diff --git a/script/script/table/drop/24.coordinates.sql b/script/script/table/drop/24.coordinates.sql
deleted file mode 100644
index 0d74d3e..0000000
--- a/script/script/table/drop/24.coordinates.sql
+++ /dev/null
@@ -1,7 +0,0 @@
--- [coordinates]
-
-drop index if exists tj_coordinates_gist;
-
-drop index if exists tj_coordinates_spgist;
-
-drop table if exists tj.coordinates;
diff --git a/script/script/table/drop/25.vertices.sql b/script/script/table/drop/25.vertices.sql
deleted file mode 100644
index a060c4a..0000000
--- a/script/script/table/drop/25.vertices.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [vertices]
-
-drop table if exists tj.vertices;
diff --git a/script/script/table/drop/26.labels.sql b/script/script/table/drop/26.labels.sql
deleted file mode 100644
index 4f9f743..0000000
--- a/script/script/table/drop/26.labels.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [labels]
-
-drop table if exists tj.labels;
diff --git a/script/script/table/drop/27.backdrop.sql b/script/script/table/drop/27.backdrop.sql
deleted file mode 100644
index ba47de7..0000000
--- a/script/script/table/drop/27.backdrop.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [backdrop]
-
-drop table if exists tj.backdrop;
diff --git a/script/script/table/drop/28.end.sql b/script/script/table/drop/28.end.sql
deleted file mode 100644
index 3054ad0..0000000
--- a/script/script/table/drop/28.end.sql
+++ /dev/null
@@ -1 +0,0 @@
--- [END]
\ No newline at end of file
diff --git a/script/script/table/drop/3.reservoirs.sql b/script/script/table/drop/3.reservoirs.sql
deleted file mode 100644
index c9a1e25..0000000
--- a/script/script/table/drop/3.reservoirs.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [reservoirs]
-
-drop table if exists tj.reservoirs;
diff --git a/script/script/table/drop/4.tanks.sql b/script/script/table/drop/4.tanks.sql
deleted file mode 100644
index 0a5e589..0000000
--- a/script/script/table/drop/4.tanks.sql
+++ /dev/null
@@ -1,5 +0,0 @@
--- [tanks]
-
-drop table if exists tj.tanks;
-
-drop type if exists tj.tanks_overflow;
diff --git a/script/script/table/drop/5.pipes.sql b/script/script/table/drop/5.pipes.sql
deleted file mode 100644
index 0cdc8dc..0000000
--- a/script/script/table/drop/5.pipes.sql
+++ /dev/null
@@ -1,5 +0,0 @@
--- [pipes]
-
-drop table if exists tj.pipes;
-
-drop type if exists tj.pipes_status;
diff --git a/script/script/table/drop/6.pumps.sql b/script/script/table/drop/6.pumps.sql
deleted file mode 100644
index 18d697b..0000000
--- a/script/script/table/drop/6.pumps.sql
+++ /dev/null
@@ -1,11 +0,0 @@
--- [pumps]
-
-drop table if exists tj.pumps_property_pattern;
-
-drop table if exists tj.pumps_property_head;
-
-drop table if exists tj.pumps_property_speed;
-
-drop table if exists tj.pumps_property_power;
-
-drop table if exists tj.pumps;
diff --git a/script/script/table/drop/7.valves.sql b/script/script/table/drop/7.valves.sql
deleted file mode 100644
index 0c2c2d1..0000000
--- a/script/script/table/drop/7.valves.sql
+++ /dev/null
@@ -1,5 +0,0 @@
--- [valves]
-
-drop table if exists tj.valves;
-
-drop type if exists tj.valves_type;
diff --git a/script/script/table/drop/8.tags.sql b/script/script/table/drop/8.tags.sql
deleted file mode 100644
index e277759..0000000
--- a/script/script/table/drop/8.tags.sql
+++ /dev/null
@@ -1,5 +0,0 @@
--- [tags]
-
-drop table if exists tj.tags_link;
-
-drop table if exists tj.tags_node;
diff --git a/script/script/table/drop/9.demands.sql b/script/script/table/drop/9.demands.sql
deleted file mode 100644
index 8478a8b..0000000
--- a/script/script/table/drop/9.demands.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- [demands]
-
-drop table if exists tj.demands;
diff --git a/script/script/table/drop/namespace.sql b/script/script/table/drop/namespace.sql
deleted file mode 100644
index effb087..0000000
--- a/script/script/table/drop/namespace.sql
+++ /dev/null
@@ -1 +0,0 @@
-drop schema if exists tj;
\ No newline at end of file
diff --git a/script/script/table/drop/operation.sql b/script/script/table/drop/operation.sql
deleted file mode 100644
index cf3dc7b..0000000
--- a/script/script/table/drop/operation.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-drop table if exists tj.transaction_operation;
-
-drop table if exists tj.snapshot_operation;
-
-drop table if exists tj.current_operation;
-
-drop table if exists tj.operation;
diff --git a/script/script/template.py b/script/script/template.py
deleted file mode 100644
index 7ed9a98..0000000
--- a/script/script/template.py
+++ /dev/null
@@ -1,108 +0,0 @@
-import psycopg as pg
-
-sql_create = [
-    "table/create/namespace.sql",
-    "table/create/0.base.sql",
-    "table/create/1.title.sql",
-    "table/create/2.junctions.sql",
-    "table/create/3.reservoirs.sql",
-    "table/create/4.tanks.sql",
-    "table/create/5.pipes.sql",
-    "table/create/6.pumps.sql",
-    "table/create/7.valves.sql",
-    "table/create/8.tags.sql",
-    "table/create/9.demands.sql",
-    "table/create/10.status.sql",
-    "table/create/11.patterns.sql",
-    "table/create/12.curves.sql",
-    "table/create/13.controls.sql",
-    "table/create/14.rules.sql",
-    "table/create/15.energy.sql",
-    "table/create/16.emitters.sql",
-    "table/create/17.quality.sql",
-    "table/create/18.sources.sql",
-    "table/create/19.reactions.sql",
-    "table/create/20.mixing.sql",
-    "table/create/21.times.sql",
-    "table/create/22.report.sql",
-    "table/create/23.options.sql",
-    "table/create/24.coordinates.sql",
-    "table/create/25.vertices.sql",
-    "table/create/26.labels.sql",
-    "table/create/27.backdrop.sql",
-    "table/create/28.end.sql",
-    "table/create/operation.sql",
-    "api/create/operation.sql",
-    "api/create/1.title.sql"
-]
-
-sql_drop = [
-    "api/drop/1.title.sql",
-    "api/drop/operation.sql",
-    "table/drop/operation.sql",
-    "table/drop/28.end.sql",
-    "table/drop/27.backdrop.sql",
-    "table/drop/26.labels.sql",
-    "table/drop/25.vertices.sql",
-    "table/drop/24.coordinates.sql",
-    "table/drop/23.options.sql",
-    "table/drop/22.report.sql",
-    "table/drop/21.times.sql",
-    "table/drop/20.mixing.sql",
-    "table/drop/19.reactions.sql",
-    "table/drop/18.sources.sql",
-    "table/drop/17.quality.sql",
-    "table/drop/16.emitters.sql",
-    "table/drop/15.energy.sql",
-    "table/drop/14.rules.sql",
-    "table/drop/13.controls.sql",
-    "table/drop/12.curves.sql",
-    "table/drop/11.patterns.sql",
-    "table/drop/10.status.sql",
-    "table/drop/9.demands.sql",
-    "table/drop/8.tags.sql",
-    "table/drop/7.valves.sql",
-    "table/drop/6.pumps.sql",
-    "table/drop/5.pipes.sql",
-    "table/drop/4.tanks.sql",
-    "table/drop/3.reservoirs.sql",
-    "table/drop/2.junctions.sql",
-    "table/drop/1.title.sql",
-    "table/drop/0.base.sql",
-    "table/drop/namespace.sql"
-]
-
-def create_template():
-    with pg.connect(conninfo="dbname=postgres", autocommit=True) as conn:
-        with conn.cursor() as cur:
-            cur.execute("create database tj_project")
-    with pg.connect(conninfo="dbname=tj_project") as conn:
-        with conn.cursor() as cur:
-            for sql in sql_create:
-                with open(sql, "r") as f:
-                    cur.execute(f.read())
-                print(f'executed {sql}')
-        conn.commit()
-
-def have_template():
-    with pg.connect(conninfo="dbname=postgres", autocommit=True) as conn:
-        with conn.cursor() as cur:
-            cur.execute("select * from pg_database where datname = 'tj_project'")
-            return cur.rowcount > 0
-
-def delete_template():
-    with pg.connect(conninfo="dbname=tj_project") as conn:
-        with conn.cursor() as cur:
-            for sql in sql_drop:
-                with open(sql, "r") as f:
-                    cur.execute(f.read())
-                print(f'executed {sql}')
-        conn.commit()
-    with pg.connect(conninfo="dbname=postgres", autocommit=True) as conn:
-        with conn.cursor() as cur:
-            cur.execute("drop database tj_project")
-
-if __name__ == "__main__":
-    if (have_template()):
-        delete_template()
-    create_template()