Index: openacs-4/packages/edit-this-page/edit-this-page.info =================================================================== RCS file: /usr/local/cvsroot/openacs-4/packages/edit-this-page/edit-this-page.info,v diff -u -N -r1.19 -r1.20 --- openacs-4/packages/edit-this-page/edit-this-page.info 5 Aug 2018 21:56:22 -0000 1.19 +++ openacs-4/packages/edit-this-page/edit-this-page.info 31 Jul 2024 11:48:04 -0000 1.20 @@ -7,7 +7,7 @@ f f - + postgresql @@ -17,7 +17,7 @@ An easy-to-use content management system. An Easy to use publishing system with versioning and permissions. - + Index: openacs-4/packages/edit-this-page/www/etp-swap-oracle.xql =================================================================== RCS file: /usr/local/cvsroot/openacs-4/packages/edit-this-page/www/Attic/etp-swap-oracle.xql,v diff -u -N --- openacs-4/packages/edit-this-page/www/etp-swap-oracle.xql 31 Oct 2001 04:55:52 -0000 1.1 +++ /dev/null 1 Jan 1970 00:00:00 -0000 @@ -1,32 +0,0 @@ - - - oracle8.1.6 - - - - select tree_sortkey, item_id - from cr_items - where parent_id = etp.get_folder_id(:package_id) - and tree_sortkey < :sort_key - order by tree_sortkey desc - - - - - - select tree_sortkey, item_id - from cr_items - where tree_sortkey >= :prev_sort_key - order by tree_sortkey - - - - - - update cr_items - set tree_sortkey = :new_sortkey - where item_id = :item_id - - - - Index: openacs-4/packages/edit-this-page/www/etp-swap-postgresql.xql =================================================================== RCS file: /usr/local/cvsroot/openacs-4/packages/edit-this-page/www/Attic/etp-swap-postgresql.xql,v diff -u -N --- openacs-4/packages/edit-this-page/www/etp-swap-postgresql.xql 3 Dec 2001 18:33:37 -0000 1.2 +++ /dev/null 1 Jan 1970 00:00:00 -0000 @@ -1,32 +0,0 @@ - - - postgresql7.1 - - - - select tree_sortkey, item_id - from cr_items - where parent_id = etp__get_folder_id(:package_id) - and tree_sortkey < :sort_key - order by tree_sortkey desc - - - - - - select tree_sortkey, item_id - from cr_items - where tree_sortkey >= :prev_sort_key - order by tree_sortkey - - - - - - update cr_items - set tree_sortkey = :new_sortkey - where item_id = :item_id - - - - Index: openacs-4/packages/edit-this-page/www/etp-swap.tcl =================================================================== RCS file: /usr/local/cvsroot/openacs-4/packages/edit-this-page/www/etp-swap.tcl,v diff -u -N -r1.2 -r1.3 --- openacs-4/packages/edit-this-page/www/etp-swap.tcl 20 Jan 2018 22:42:50 -0000 1.2 +++ openacs-4/packages/edit-this-page/www/etp-swap.tcl 31 Jul 2024 11:48:04 -0000 1.3 @@ -4,11 +4,18 @@ @author Luke Pond (dlpond@pobox.com) @creation-date 2001-06-01 - Swaps the page with the given sort order - with the one preceding it. + Swaps the page with the given sort order with the one preceding + it. } { - sort_order + sort_order:notnull +} -validate { + is_binary { + if {![regexp {^[0-1]+$} $sort_order]} { + ad_complain [_ acs-templating.Invalid_number] + return + } + } } etp::check_write_access @@ -17,29 +24,57 @@ set package_id [ad_conn package_id] -db_foreach get_prev_key "" { - set prev_sort_key $tree_sortkey - break; -} +set folder_id [::etp::get_folder_id $package_id] +set prev_sort_key [db_string get_prev_key { + select tree_sortkey + from cr_items + where parent_id = :folder_id + and tree_sortkey < :sort_key + order by tree_sortkey desc + fetch first 1 rows only +}] + db_transaction { -db_foreach get_all_keys "" { + db_foreach get_all_keys { + select tree_sortkey, item_id + from cr_items + where tree_sortkey >= :prev_sort_key + order by tree_sortkey + } { + if {[regsub "^$prev_sort_key" $tree_sortkey $sort_key new_sortkey] || + [regsub "^$sort_key" $tree_sortkey $prev_sort_key new_sortkey]} { - if {[regsub "^$prev_sort_key" $tree_sortkey $sort_key new_sortkey] || - [regsub "^$sort_key" $tree_sortkey $prev_sort_key new_sortkey]} { + # + # Because tree_sortkey is unique, we need to use this + # swapping idiom. We assume "0" to be a safe temporary + # value for a sortkey. + # + db_dml c_eq_a_key { + update cr_items set + tree_sortkey = '0' + where tree_sortkey = :new_sortkey + } - # fortunately tree_sortkey is not unique, so it doesn't matter - # if we temporarily have two rows with the same key here. + db_dml a_eq_b_key { + update cr_items set + tree_sortkey = :new_sortkey + where item_id = :item_id + } - db_dml update_key "" + db_dml b_eq_c_key { + update cr_items set + tree_sortkey = :tree_sortkey + where tree_sortkey = '0' + } - } else { - # because of how we ordered the select, we're done. - # db_foreach will flush the remaining result rows. - break + } else { + # because of how we ordered the select, we're done. + # db_foreach will flush the remaining result rows. + break + } } -} }