Move DDL triggers and extension postamble under scripts-available

Target 0.2.0

scripts-available/CDB_DDLTriggers.sql

@@ -0,0 +1,188 @@
+--LOAD 'schema_triggers.so';
+--CREATE EXTENSION IF NOT EXISTS schema_triggers;
+
+--GRANT EXECUTE ON ALL FUNCTIONS IN SCHEMA schema_triggers TO public;
+
+-- Table creation
+-- {
+CREATE OR REPLACE FUNCTION cartodb.cdb_handle_create_table ()
+RETURNS event_trigger SECURITY DEFINER LANGUAGE plpgsql AS $$
+DECLARE
+  event_info RECORD;
+BEGIN
+  event_info := schema_triggers.get_relation_create_eventinfo();
+
+  -- We're only interested in real relations
+  IF (event_info.new).relkind != 'r' THEN RETURN; END IF;
+
+  RAISE DEBUG 'Relation % of kind % created in namespace oid %',
+	 event_info.relation, (event_info.new).relkind, (event_info.new).relnamespace;
+
+  -- We don't want to react to alters triggered by superuser,
+  IF current_setting('is_superuser') = 'on' THEN
+    RAISE DEBUG 'no ddl trigger for superuser';
+    RETURN;
+  END IF;
+
+  -- CDB_CartodbfyTable must not create tables, or infinite loop will happen
+  PERFORM cartodb.CDB_CartodbfyTable(event_info.relation);
+
+  RAISE DEBUG 'Inserting into cartodb.CDB_TableMetadata';
+
+  -- Add entry to CDB_TableMetadata (should CartodbfyTable do this?)
+  INSERT INTO cartodb.CDB_TableMetadata(tabname,updated_at) 
+  VALUES (event_info.relation, now());
+
+END; $$;
+-- }
+
+-- Table drop
+-- {
+CREATE OR REPLACE FUNCTION cartodb.cdb_handle_drop_table ()
+RETURNS event_trigger SECURITY DEFINER LANGUAGE plpgsql AS $$
+DECLARE
+  event_info RECORD;
+BEGIN
+  event_info := schema_triggers.get_relation_drop_eventinfo();
+
+  -- We're only interested in real relations
+  IF (event_info.old).relkind != 'r' THEN RETURN; END IF;
+
+  RAISE DEBUG 'Relation % of kind % dropped from namespace oid %',
+	 event_info.old_relation_oid, (event_info.old).relkind, (event_info.old).relnamespace;
+
+  -- delete record from CDB_TableMetadata (should invalidate varnish)
+  DELETE FROM cartodb.CDB_TableMetadata WHERE tabname = event_info.old_relation_oid;
+
+END; $$;
+-- }
+
+-- Column alter
+-- {
+CREATE OR REPLACE FUNCTION cartodb.cdb_handle_alter_column ()
+RETURNS event_trigger SECURITY DEFINER LANGUAGE plpgsql AS $$
+DECLARE
+  event_info RECORD;
+  rel RECORD;
+BEGIN
+  event_info := schema_triggers.get_column_alter_eventinfo();
+
+  SELECT oid,* FROM pg_class WHERE oid = event_info.relation INTO rel;
+
+  RAISE DEBUG 'Column % altered by % (superuser? %) in relation % of kind %',
+	 (event_info.old).attname, current_user, current_setting('is_superuser'), event_info.relation::regclass, rel.relkind;
+
+  -- We're only interested in real relations
+  IF rel.relkind != 'r' THEN RETURN; END IF;
+
+  -- We don't want to react to alters triggered by superuser,
+  IF current_setting('is_superuser') = 'on' THEN
+    RAISE DEBUG 'no ddl trigger for superuser';
+    RETURN;
+  END IF;
+
+  PERFORM cartodb.cdb_disable_ddl_hooks();
+
+  PERFORM cartodb.CDB_CartodbfyTable(event_info.relation);
+
+  PERFORM cartodb.cdb_enable_ddl_hooks();
+
+  -- update CDB_TableMetadata.updated_at (should invalidate varnish)
+  UPDATE cartodb.CDB_TableMetadata SET updated_at = NOW()
+  WHERE tabname = event_info.relation; 
+
+END; $$;
+-- }
+
+-- Column drop
+-- {
+CREATE OR REPLACE FUNCTION cartodb.cdb_handle_drop_column ()
+RETURNS event_trigger SECURITY DEFINER LANGUAGE plpgsql AS $$
+DECLARE
+  event_info RECORD;
+  rel RECORD;
+BEGIN
+  event_info := schema_triggers.get_column_drop_eventinfo();
+
+  SELECT oid,* FROM pg_class WHERE oid = event_info.relation INTO rel;
+
+  RAISE DEBUG 'Column % drop by % (superuser? %) in relation % of kind %',
+	 (event_info.old).attname, current_user, current_setting('is_superuser'), event_info.relation::regclass, rel.relkind;
+
+  -- We're only interested in real relations
+  IF rel.relkind != 'r' THEN RETURN; END IF;
+
+  -- We don't want to react to drops triggered by superuser,
+  IF current_setting('is_superuser') = 'on' THEN
+    RAISE DEBUG 'no ddl trigger for superuser';
+    RETURN;
+  END IF;
+
+  PERFORM cartodb.cdb_disable_ddl_hooks();
+
+  PERFORM cartodb.CDB_CartodbfyTable(event_info.relation);
+
+  PERFORM cartodb.cdb_enable_ddl_hooks();
+
+  -- update CDB_TableMetadata.updated_at (should invalidate varnish)
+  UPDATE cartodb.CDB_TableMetadata SET updated_at = NOW()
+  WHERE tabname = event_info.relation; 
+
+END; $$;
+-- }
+
+-- Column add
+-- {
+CREATE OR REPLACE FUNCTION cartodb.cdb_handle_add_column ()
+RETURNS event_trigger SECURITY DEFINER LANGUAGE plpgsql AS $$
+DECLARE
+  event_info RECORD;
+  rel RECORD;
+BEGIN
+  event_info := schema_triggers.get_column_add_eventinfo();
+
+  SELECT oid,* FROM pg_class WHERE oid = event_info.relation INTO rel;
+
+  RAISE DEBUG 'Column % added by % (superuser? %) in relation % of kind %',
+	 (event_info.new).attname, current_user, current_setting('is_superuser'), event_info.relation::regclass, rel.relkind;
+
+  -- We're only interested in real relations
+  IF rel.relkind != 'r' THEN RETURN; END IF;
+
+  -- We don't want to react to drops triggered by superuser,
+  IF current_setting('is_superuser') = 'on' THEN
+    RAISE DEBUG 'no ddl trigger for superuser';
+    RETURN;
+  END IF;
+
+  -- update CDB_TableMetadata.updated_at (should invalidate varnish)
+  UPDATE cartodb.CDB_TableMetadata SET updated_at = NOW()
+  WHERE tabname = event_info.relation; 
+
+END; $$;
+-- }
+
+CREATE OR REPLACE FUNCTION cartodb.cdb_disable_ddl_hooks() returns void AS $$
+ DROP EVENT TRIGGER IF EXISTS cdb_on_relation_create;
+ DROP EVENT TRIGGER IF EXISTS cdb_on_relation_drop;
+ DROP EVENT TRIGGER IF EXISTS cdb_on_alter_column;
+ DROP EVENT TRIGGER IF EXISTS cdb_on_drop_column;
+ DROP EVENT TRIGGER IF EXISTS cdb_on_add_column;
+$$ LANGUAGE sql;
+
+CREATE OR REPLACE FUNCTION cartodb.cdb_enable_ddl_hooks() returns void AS $$
+ SELECT cdb_disable_ddl_hooks();
+ CREATE EVENT TRIGGER cdb_on_relation_create
+    ON "relation_create" EXECUTE PROCEDURE cartodb.cdb_handle_create_table();
+ CREATE EVENT TRIGGER cdb_on_relation_drop
+    ON "relation_drop" EXECUTE PROCEDURE cartodb.cdb_handle_drop_table();
+ CREATE EVENT TRIGGER cdb_on_alter_column
+    ON "column_alter" EXECUTE PROCEDURE cartodb.cdb_handle_alter_column();
+ CREATE EVENT TRIGGER cdb_on_drop_column
+    ON "column_drop" EXECUTE PROCEDURE cartodb.cdb_handle_drop_column();
+ CREATE EVENT TRIGGER cdb_on_add_column
+    ON "column_add" EXECUTE PROCEDURE cartodb.cdb_handle_add_column();
+$$ LANGUAGE sql;
+
+-- Do not enable hooks by default
+--SELECT cartodb.cdb_enable_ddl_hooks();

scripts-available/CDB_ExtensionPost.sql

@@ -0,0 +1,2 @@
+SELECT pg_catalog.pg_extension_config_dump('cartodb.cdb_tablemetadata','');
+