Index: openacs-4/packages/acs-content-repository/acs-content-repository.info =================================================================== RCS file: /usr/local/cvsroot/openacs-4/packages/acs-content-repository/acs-content-repository.info,v diff -u -r1.79 -r1.80 --- openacs-4/packages/acs-content-repository/acs-content-repository.info 6 Jul 2008 15:46:15 -0000 1.79 +++ openacs-4/packages/acs-content-repository/acs-content-repository.info 15 Aug 2008 19:36:39 -0000 1.80 @@ -7,7 +7,7 @@ t t - + OpenACS The canonical repository for OpenACS content. 2008-05-31 @@ -20,7 +20,7 @@ GPL 3 - + Index: openacs-4/packages/acs-content-repository/sql/postgresql/upgrade/upgrade-5.5.0d1-5.5.0d2.sql =================================================================== RCS file: /usr/local/cvsroot/openacs-4/packages/acs-content-repository/sql/postgresql/upgrade/upgrade-5.5.0d1-5.5.0d2.sql,v diff -u --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ openacs-4/packages/acs-content-repository/sql/postgresql/upgrade/upgrade-5.5.0d1-5.5.0d2.sql 15 Aug 2008 19:36:39 -0000 1.1 @@ -0,0 +1,106 @@ +create or replace function content_type__refresh_view (varchar) +returns integer as ' +declare + refresh_view__content_type alias for $1; + cols varchar default ''''; + tabs varchar default ''''; + joins varchar default ''''; + v_table_name varchar; + join_rec record; +begin + + for join_rec in select ot2.table_name, ot2.id_column, tree_level(ot2.tree_sortkey) as level + from acs_object_types ot1, acs_object_types ot2 + where ot2.object_type <> ''acs_object'' + and ot2.object_type <> ''content_revision'' + and lower(ot2.table_name) <> ''acs_objects'' + and lower(ot2.table_name) <> ''cr_revisions'' + and ot1.object_type = refresh_view__content_type + and ot1.tree_sortkey between ot2.tree_sortkey and tree_right(ot2.tree_sortkey) + order by ot2.tree_sortkey desc + LOOP + if join_rec.table_name is not null then + cols := cols || '', '' || join_rec.table_name || ''.*''; + tabs := tabs || '', '' || join_rec.table_name; + joins := joins || '' and acs_objects.object_id = '' || + join_rec.table_name || ''.'' || join_rec.id_column; + end if; + end loop; + + select table_name into v_table_name from acs_object_types + where object_type = refresh_view__content_type; + + if length(v_table_name) > 57 then + raise exception ''Table name cannot be longer than 57 characters, because that causes conflicting rules when we create the views.''; + end if; + + -- create the input view (includes content columns) + + if table_exists(v_table_name || ''i'') then + execute ''drop view '' || v_table_name || ''i'' || '' CASCADE''; + end if; + + -- FIXME: need to look at content_revision__get_content. Since the CR + -- can store data in a lob, a text field or in an external file, getting + -- the data attribute for this view will be problematic. + + execute ''create view '' || v_table_name || + ''i as select acs_objects.object_id, + acs_objects.object_type, + acs_objects.title as object_title, + acs_objects.package_id as object_package_id, + acs_objects.context_id, + acs_objects.security_inherit_p, + acs_objects.creation_user, + acs_objects.creation_date, + acs_objects.creation_ip, + acs_objects.last_modified, + acs_objects.modifying_user, + acs_objects.modifying_ip, + acs_objects.tree_sortkey, + acs_objects.max_child_sortkey, cr.revision_id, cr.title, cr.item_id, + content_revision__get_content(cr.revision_id) as data, + cr_text.text_data as text, + cr.description, cr.publish_date, cr.mime_type, cr.nls_language'' || + cols || + '' from acs_objects, cr_revisions cr, cr_text'' || tabs || '' where + acs_objects.object_id = cr.revision_id '' || joins; + + -- create the output view (excludes content columns to enable SELECT *) + + if table_exists(v_table_name || ''x'') then + execute ''drop view '' || v_table_name || ''x''; + end if; + + execute ''create view '' || v_table_name || + ''x as select acs_objects.object_id, + acs_objects.object_type, + acs_objects.title as object_title, + acs_objects.package_id as object_package_id, + acs_objects.context_id, + acs_objects.security_inherit_p, + acs_objects.creation_user, + acs_objects.creation_date, + acs_objects.creation_ip, + acs_objects.last_modified, + acs_objects.modifying_user, + acs_objects.modifying_ip, + acs_objects.tree_sortkey, + acs_objects.max_child_sortkey, cr.revision_id, cr.title, cr.item_id, + cr.description, cr.publish_date, cr.mime_type, cr.nls_language, + i.name, i.parent_id'' || + cols || + '' from acs_objects, cr_revisions cr, cr_items i, cr_text'' || tabs || + '' where acs_objects.object_id = cr.revision_id + and cr.item_id = i.item_id'' || joins; + + PERFORM content_type__refresh_trigger(refresh_view__content_type); + +-- exception +-- when others then +-- dbms_output.put_line(''Error creating attribute view or trigger for'' +-- || content_type); + + return 0; +end;' language 'plpgsql'; +