Add dist files and reduce number of pgversion to 16 and 17

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        version: [ '12', '13', '14', '15', '16', '17' ]
+        version: [ '16', '17' ]
 
     container: pgxn/pgxn-tools
     env:

dist/pgtle.schedoc-0.0.1.sql

@@ -0,0 +1,110 @@
+SELECT pgtle.install_extension
+(
+ 'schedoc',
+ '0.0.1',
+ 'Schema documentation based on COMMENT',
+$_pg_tle_$
+--
+--
+--
+
+CREATE TYPE data_status AS ENUM ('public', 'private', 'legacy', 'wip');
+
+CREATE TABLE schedoc_column_raw (
+  objoid    oid,
+  objsubid  oid,
+  comment   jsonb,
+  status    data_status,
+  PRIMARY KEY (objoid, objsubid)
+);
+
+CREATE VIEW schedoc_column_comments AS
+
+    SELECT current_database() as databasename, c.relname as tablename, a.attname as columnname, status
+    FROM schedoc_column_raw ccr
+    JOIN pg_class c ON c.oid = ccr.objoid
+    JOIN pg_attribute a ON (a.attnum = ccr.objsubid AND a.attrelid = ccr.objoid);
+
+--
+--
+--
+CREATE OR REPLACE FUNCTION schedoc_start()
+RETURNS void
+    LANGUAGE plpgsql AS
+$EOF$
+DECLARE
+  schemaname TEXT;
+BEGIN
+  SELECT n.nspname FROM pg_extension e JOIN pg_namespace n ON n.oid=e.extnamespace WHERE e.extname='ddl_historization' INTO schemaname;
+
+   --
+   -- Function to manage INSERT statements
+   --
+
+   EXECUTE format('CREATE OR REPLACE FUNCTION %s.schedoc_trg()
+        RETURNS trigger LANGUAGE plpgsql AS $$
+    BEGIN
+    INSERT INTO %s.schedoc_column_raw (objoid, objsubid, comment, status)
+    VALUES (
+      NEW.objoid,
+      NEW.objsubid,
+      %s.get_column_description(NEW.objoid, NEW.objsubid)::jsonb,
+      %s.get_column_status(NEW.objoid, NEW.objsubid)::public.data_status
+    ) ON CONFLICT (objoid, objsubid)
+    DO UPDATE SET
+      comment = public.get_column_description(EXCLUDED.objoid, EXCLUDED.objsubid)::jsonb,
+      status = public.get_column_status(EXCLUDED.objoid, EXCLUDED.objsubid)::public.data_status;
+    RETURN NEW;
+    END;
+$$', schemaname, schemaname, schemaname, schemaname);
+
+   --
+   -- Create two triggers, one for UPDATE and one for INSERT
+   --
+
+   EXECUTE format('
+     CREATE TRIGGER schedoc_trg
+       BEFORE INSERT ON %s.ddl_history
+       FOR EACH ROW
+       WHEN (NEW.ddl_tag = ''COMMENT'')
+       EXECUTE PROCEDURE %s.schedoc_trg()',
+     schemaname,schemaname);
+
+END;
+$EOF$;
+
+
+CREATE OR REPLACE FUNCTION get_column_description(bjoid oid, bjsubid oid)
+RETURNS text
+    LANGUAGE plpgsql AS
+$EOF$
+DECLARE
+  description TEXT;
+BEGIN
+    SELECT pg_description.description FROM pg_description
+    WHERE pg_description.objoid=bjoid AND pg_description.objsubid=bjsubid INTO description;
+
+    RETURN description;
+END;
+$EOF$;
+
+CREATE OR REPLACE FUNCTION get_column_status(bjoid oid, bjsubid oid)
+RETURNS text
+    LANGUAGE plpgsql AS
+$EOF$
+DECLARE
+  status TEXT;
+BEGIN
+    SELECT pg_description.description::jsonb->>'status' FROM pg_description
+    WHERE pg_description.objoid=bjoid AND pg_description.objsubid=bjsubid INTO status;
+
+    RETURN status;
+END;
+$EOF$;
+
+-- CREATE TRIGGER schedoc_trg
+--    BEFORE INSERT ON ddl_history
+--    FOR EACH ROW
+--    EXECUTE PROCEDURE schedoc_trg();
+$_pg_tle_$
+);