From 083fccdcd313c6fab61ad204c8f3bbc0183bc20c Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Tue, 12 Jun 2018 14:19:13 +0200
Subject: bin/bootstrap-mysql: calculate_maximal_moveable_set(): bugfix: do not
 remove all replaced_bpir :-/

---
 bin/bootstrap-mysql | 56 +++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 39 insertions(+), 17 deletions(-)

(limited to 'bin/bootstrap-mysql')

diff --git a/bin/bootstrap-mysql b/bin/bootstrap-mysql
index 07e5f7d..81d5c82 100755
--- a/bin/bootstrap-mysql
+++ b/bin/bootstrap-mysql
@@ -96,6 +96,7 @@ fi
   # no open issues
   printf ' AND NOT `binary_packages`.`has_issues`'
   printf ';\n'
+
   # these packages are considered for being replaced:
   # for each moved package
   printf 'INSERT IGNORE INTO `replaced_bpir` (`id`,`replaced_by`)'
@@ -103,30 +104,51 @@ fi
   printf ' FROM `moveable_bpir`'
   printf ' JOIN `binary_packages_in_repositories` AS `m_bpir` ON `m_bpir`.`id`=`moveable_bpir`.`id`'
   mysql_join_binary_packages_in_repositories_binary_packages 'm_bpir' 'm_bp'
-  mysql_join_binary_packages_in_repositories_repositories 'm_bpir' 'm_from_r'
   # in all repositories more stable than its target repository
   printf ' JOIN `repositories` AS `m_to_r` ON `moveable_bpir`.`to_repository`=`m_to_r`.`id`'
-  printf ' JOIN `repository_stability_relations` AS `rsr_a`'
-  printf ' ON `rsr_a`.`less_stable`=`m_to_r`.`stability`'
+  printf ' JOIN `repository_stability_relations` AS `rsr`'
+  printf ' ON `rsr`.`less_stable`=`m_to_r`.`stability`'
   printf ' JOIN `repositories` AS `r_r`'
-  printf ' ON `rsr_a`.`more_stable`=`r_r`.`stability`'
+  printf ' ON `rsr`.`more_stable`=`r_r`.`stability`'
   printf ' AND `r_r`.`architecture`=`m_to_r`.`architecture`'
   mysql_join_repositories_binary_packages_in_repositories 'r_r' 'r_bpir'
   mysql_join_binary_packages_in_repositories_binary_packages 'r_bpir' 'r_bp'
   # all packages with identical names
-  printf ' AND `r_bp`.`pkgname`=`m_bp`.`pkgname`'
-  # but only the least stable of equally named packages is considered
-  printf ' WHERE NOT EXISTS ('
-    printf 'SELECT 1'
-    printf ' FROM `binary_packages_in_repositories` AS `sup_bpir`'
-    mysql_join_binary_packages_in_repositories_binary_packages 'sup_bpir' 'sup_bp'
-    mysql_join_binary_packages_in_repositories_repositories 'sup_bpir' 'sup_r'
-    printf ' JOIN `repository_stability_relations` AS `rsr_b`'
-    printf ' ON `rsr_b`.`less_stable`=`sup_r`.`stability`'
-    printf ' WHERE `sup_bp`.`pkgname`=`m_bp`.`pkgname`'
-    printf ' AND `sup_r`.`architecture`=`m_to_r`.`architecture`'
-    printf ' AND `rsr_b`.`more_stable`=`r_r`.`stability`'
-  printf ');\n'
+  printf ' AND `r_bp`.`pkgname`=`m_bp`.`pkgname`;\n'
+
+  # create copies of our temporary tables *yuck*
+  for table in 'replaced' 'moveable'; do
+    for copy in '' '2'; do
+      if [ "${table}" = 'moveable' ] && \
+        [ "${copy}" = '2' ]; then
+        continue
+      fi
+      printf 'DELETE FROM `%s_bpir_copy%s`;\n' "${table}" "${copy}"
+      printf 'INSERT IGNORE INTO `%s_bpir_copy%s`' "${table}" "${copy}"
+      printf ' SELECT `%s_bpir`.*' "${table}"
+      printf ' FROM `%s_bpir`;\n' "${table}"
+    done
+  done
+
+  # only the least stable of equally named to-be-replaced packages is
+  # kept
+  printf 'DELETE `replaced_bpir` FROM `replaced_bpir`'
+  printf ' JOIN `binary_packages_in_repositories` AS `not_r_bpir`'
+  printf ' ON `not_r_bpir`.`id`=`replaced_bpir`.`id`'
+  mysql_join_binary_packages_in_repositories_binary_packages 'not_r_bpir' 'not_r_bp'
+  mysql_join_binary_packages_in_repositories_repositories 'not_r_bpir' 'not_r_r'
+  printf ' JOIN `binary_packages` AS `r_bp`'
+  printf ' ON `r_bp`.`pkgname`=`not_r_bp`.`pkgname`'
+  printf ' AND `r_bp`.`id`!=`not_r_bp`.`id`'
+  mysql_join_binary_packages_binary_packages_in_repositories 'r_bp' 'r_bpir'
+  printf ' JOIN `replaced_bpir_copy`'
+  printf ' ON `r_bpir`.`id`=`replaced_bpir_copy`.`id`'
+  mysql_join_binary_packages_in_repositories_repositories 'r_bpir' 'r_r'
+  printf ' AND `not_r_r`.`architecture`=`r_r`.`architecture`'
+  printf ' JOIN `repository_stability_relations` AS `rsr`'
+  printf ' ON `rsr`.`less_stable`=`r_r`.`stability`'
+  printf ' AND `rsr`.`more_stable`=`not_r_r`.`stability`;\n'
+
   # now we delete all unreplaceable and unmoveable packages from the respective
   # list until no further changes are required
   printf 'REPEAT\n'
-- 
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