🔨 create related table view

3_create_function_trigger.sh

@@ -6,7 +6,7 @@ schemaname=$1
 schematype=$2
 export PGPASSWORD=${password}
 echo Installation des fonctionnalités pour le schema ${schemaname} de la base ${dbname} sur ${host} ${port}
-for fichier in sql/all/function*.sql sql/$schematype/function*.sql sql/$schematype/constraints*.sql sql/all/trigger*.sql sql/$schematype/trigger*.sql sql/$schematype/create_view*.sql
+for fichier in sql/all/view*.sql sql/all/function*.sql sql/$schematype/function*.sql sql/$schematype/constraints*.sql sql/all/trigger*.sql sql/$schematype/trigger*.sql sql/$schematype/create_view*.sql
 do
   psql -h ${host} -d ${dbname} -U ${user} -p ${port} -b -q -v schemaname=${schemaname} -f $fichier
 done

3_create_network_function_trigger.sh

@@ -6,7 +6,7 @@ schemaname=$1
 networktype=$2
 export PGPASSWORD=${password}
 echo Installation des fonctionnalités réseau pour le schema ${schemaname} de la base ${dbname} sur ${host} ${port}
-for fichier in sql/network/function*.sql sql/all/function*.sql sql/network/$networktype/function*.sql sql/network/$networktype/constraints*.sql sql/all/trigger*.sql sql/network/trigger*.sql sql/network/$networktype/trigger*.sql
+for fichier in sql/all/view*.sql sql/network/function*.sql sql/all/function*.sql sql/network/$networktype/function*.sql sql/network/$networktype/constraints*.sql sql/all/trigger*.sql sql/network/trigger*.sql sql/network/$networktype/trigger*.sql
 do
   psql -h ${host} -d ${dbname} -U ${user} -p ${port} -b -q -v schemaname=${schemaname} -f $fichier
 done

python/qgs_plugins/NetworkPlugin/mainPlugin.py

@@ -8,38 +8,9 @@ from qgis.core import QgsDataSourceUri, QgsWkbTypes, QgsMapLayerType,QgsFeature
 # execute : pyrcc5 -o resources.py resources.qrc
 from . import resources
 
-qconst = """select kcu.table_schema as ft_schema,
-      kcu.table_name as ft_name,
-      kcu.table_schema || '.' || kcu.table_name as foreign_table,
-      kcu.column_name as fk_column,
-      rel_kcu.table_schema as pt_schema,
-      rel_kcu.table_name as pt_name,
-      rel_kcu.table_schema || '.' || rel_kcu.table_name as primary_table,
-      rel_kcu.column_name as pk_column,
-      kcu.ordinal_position as no,
-      kcu.constraint_name
-   from information_schema.table_constraints tco
-   join information_schema.key_column_usage kcu
-             on tco.constraint_schema = kcu.constraint_schema
-             and tco.constraint_name = kcu.constraint_name
-   join information_schema.referential_constraints rco
-             on tco.constraint_schema = rco.constraint_schema
-             and tco.constraint_name = rco.constraint_name
-   join information_schema.key_column_usage rel_kcu
-             on rco.unique_constraint_schema = rel_kcu.constraint_schema
-             and rco.unique_constraint_name = rel_kcu.constraint_name
-             and kcu.ordinal_position = rel_kcu.ordinal_position
-   where tco.constraint_type = 'FOREIGN KEY' and kcu.table_schema='{0}'
-   and rel_kcu.table_name='{1}'
-   and kcu.column_name=rel_kcu.column_name
-   order by kcu.table_schema,
-            kcu.table_name,
-            kcu.ordinal_position;"""
-qconst2="""select constraint_schema, constraint_name from information_schema.table_constraints
-    where constraint_type = 'FOREIGN KEY'
-    and constraint_schema='{0}'
-    and constraint_name like '%\_level\_fkey'
-    and is_deferrable='YES';"""
+qconst = """select * from utils.related_table
+               where pt_schema='{0}'
+               and pt_name='{1}';"""
 
 def executeQuery(provider, query):
     # provider = layer.dataProvider()

sql/all/view_related_table.sql

+\encoding UTF8
+
+set search_path to utils, public;
+
+-- VUE recensant les tables reliées
+CREATE OR REPLACE VIEW utils.related_table AS
+ select kcu.table_schema as ft_schema,
+         kcu.table_name as ft_name,
+         kcu.table_schema || '.' || kcu.table_name as foreign_table,
+         kcu.column_name as fk_column,
+         rel_kcu.table_schema as pt_schema,
+         rel_kcu.table_name as pt_name,
+         rel_kcu.table_schema || '.' || rel_kcu.table_name as primary_table,
+         rel_kcu.column_name as pk_column,
+         kcu.ordinal_position as no,
+         kcu.constraint_name
+  from information_schema.table_constraints tco
+  join information_schema.key_column_usage kcu
+            on tco.constraint_schema = kcu.constraint_schema
+            and tco.constraint_name = kcu.constraint_name
+  join information_schema.referential_constraints rco
+            on tco.constraint_schema = rco.constraint_schema
+            and tco.constraint_name = rco.constraint_name
+  join information_schema.key_column_usage rel_kcu
+            on rco.unique_constraint_schema = rel_kcu.constraint_schema
+            and rco.unique_constraint_name = rel_kcu.constraint_name
+            and kcu.ordinal_position = rel_kcu.ordinal_position
+  where tco.constraint_type = 'FOREIGN KEY'
+  and kcu.column_name=rel_kcu.column_name
+  order by kcu.table_schema,
+           kcu.table_name,
+           kcu.ordinal_position;

sql/network/create_view.sql

@@ -6,34 +6,9 @@ SET tmpvar.schemaname TO :'schemaname';
 DO $$
 DECLARE
   _relations CURSOR FOR
-  select kcu.table_schema as ft_schema,
-         kcu.table_name as ft_name,
-         kcu.table_schema || '.' || kcu.table_name as foreign_table,
-         kcu.column_name as fk_column,
-         rel_kcu.table_schema as pt_schema,
-         rel_kcu.table_name as pt_name,
-         rel_kcu.table_schema || '.' || rel_kcu.table_name as primary_table,
-         rel_kcu.column_name as pk_column,
-         kcu.ordinal_position as no,
-         kcu.constraint_name
-  from information_schema.table_constraints tco
-  join information_schema.key_column_usage kcu
-            on tco.constraint_schema = kcu.constraint_schema
-            and tco.constraint_name = kcu.constraint_name
-  join information_schema.referential_constraints rco
-            on tco.constraint_schema = rco.constraint_schema
-            and tco.constraint_name = rco.constraint_name
-  join information_schema.key_column_usage rel_kcu
-            on rco.unique_constraint_schema = rel_kcu.constraint_schema
-            and rco.unique_constraint_name = rel_kcu.constraint_name
-            and kcu.ordinal_position = rel_kcu.ordinal_position
-  where tco.constraint_type = 'FOREIGN KEY'
-  and kcu.table_schema=current_setting('tmpvar.schemaname', true)
-  and kcu.column_name=rel_kcu.column_name
-  and kcu.ordinal_position=1
-  order by kcu.table_schema,
-           kcu.table_name,
-           kcu.ordinal_position;
+    select * from utils.related_table
+    where ft_schema=current_setting('tmpvar.schemaname', true)
+    and no=1;
   l record;
   _list_columns text;
   _view_name text;

sql/network/function_duplicate_attributes.sql

@@ -8,33 +8,8 @@ CREATE OR REPLACE FUNCTION fnc_duplicate_attributes(
 RETURNS void AS $BODY$
 DECLARE
   _relations CURSOR FOR
-  select kcu.table_schema as ft_schema,
-         kcu.table_name as ft_name,
-         kcu.table_schema || '.' || kcu.table_name as foreign_table,
-         kcu.column_name as fk_column,
-         rel_kcu.table_schema as pt_schema,
-         rel_kcu.table_name as pt_name,
-         rel_kcu.table_schema || '.' || rel_kcu.table_name as primary_table,
-         rel_kcu.column_name as pk_column,
-         kcu.ordinal_position as no,
-         kcu.constraint_name
-  from information_schema.table_constraints tco
-  join information_schema.key_column_usage kcu
-            on tco.constraint_schema = kcu.constraint_schema
-            and tco.constraint_name = kcu.constraint_name
-  join information_schema.referential_constraints rco
-            on tco.constraint_schema = rco.constraint_schema
-            and tco.constraint_name = rco.constraint_name
-  join information_schema.key_column_usage rel_kcu
-            on rco.unique_constraint_schema = rel_kcu.constraint_schema
-            and rco.unique_constraint_name = rel_kcu.constraint_name
-            and kcu.ordinal_position = rel_kcu.ordinal_position
-  where tco.constraint_type = 'FOREIGN KEY'
-  and (rel_kcu.table_schema || '.' || rel_kcu.table_name) = i_nw_regclass::text
-  and kcu.column_name = rel_kcu.column_name
-  order by kcu.table_schema,
-           kcu.table_name,
-           kcu.ordinal_position;
+    select * from utils.related_table
+    where foreign_table = i_nw_regclass::text;
   _new_obj jsonb;
 BEGIN
 -- ==== Select foreign table from primary table ===