bin/db-update: add some comments

1 files changed, 2 insertions, 0 deletions

diff --git a/bin/db-update b/bin/db-update
index 4f7cfd3..ae79135 100755
--- a/bin/db-update
+++ b/bin/db-update
@@ -225,6 +225,7 @@ for source_stability in \
       printf 'CREATE TEMPORARY TABLE `replaced_bpir` (`id` BIGINT, `replaced_by` BIGINT, UNIQUE KEY (`id`));\n'
       printf 'CREATE TEMPORARY TABLE `moveable_bpir` (`id` BIGINT, `to_repository` MEDIUMINT, UNIQUE KEY (`id`));\n'
 
+      # packages that replace broken packages
       printf 'INSERT IGNORE INTO `replaced_bpir` (`id`,`replaced_by`)'
       printf ' SELECT `old_bpir`.`id`,`new_bpir`.`id`'
       printf ' FROM `binary_packages_in_repositories` AS `new_bpir`'
@@ -263,6 +264,7 @@ for source_stability in \
       printf ' JOIN `binary_packages_in_repositories` ON `binary_packages_in_repositories`.`id`=`replaced_bpir`.`id`'
       printf ';\n'
 
+      # packages which replace nothing
       printf 'INSERT IGNORE INTO `moveable_bpir` (`id`,`to_repository`)'
       printf ' SELECT `binary_packages_in_repositories`.`id`,`repository_moves`.`to_repository`'
       printf ' FROM `binary_packages_in_repositories`'