Revert "MDEV-23342 MariaDB cannot be installed over MySQL 5.7.30 on Bionic anymore"

This reverts commit 44885273.

Reverting this commit is necessary to fix missing-breaks errors in the
Debian packaging. The original fix was also not entirely necessary as a
fix to the original problem.

Partially also reverts commit e7c7f5c1 where this
unsorted debian/control file was sorted.

debian/control

@@ -278,14 +278,24 @@ Conflicts: mariadb-client-10.0,
            mysql-client (<< 5.0.51),
            mysql-client-5.0,
            mysql-client-5.1,
-           mysql-client-5.5,
+           mysql-client-5.5 (<< ${source:Version}),
            mysql-client-core-5.1,
            mysql-client-core-5.5,
            mysql-client-core-5.6,
            mysql-client-core-5.7,
            mysql-client-core-8.0,
            virtual-mysql-client-core
-Replaces: mariadb-client-core-10.0,
+Replaces: mariadb-client-10.0,
+          mariadb-client-10.1,
+          mariadb-client-10.2,
+          mariadb-client-10.3,
+          mariadb-client-10.4,
+          mariadb-client-10.5 (<< ${source:Version}),
+          mariadb-client-5.1,
+          mariadb-client-5.2,
+          mariadb-client-5.3,
+          mariadb-client-5.5,
+          mariadb-client-core-10.0,
           mariadb-client-core-10.1,
           mariadb-client-core-10.2,
           mariadb-client-core-10.3,
@@ -294,6 +304,10 @@ Replaces: mariadb-client-core-10.0,
           mariadb-client-core-5.2,
           mariadb-client-core-5.3,
           mariadb-client-core-5.5,
+          mysql-client (<< 5.0.51),
+          mysql-client-5.0,
+          mysql-client-5.1,
+          mysql-client-5.5,
           mysql-client-core-5.1,
           mysql-client-core-5.5,
           mysql-client-core-5.6,
@@ -337,28 +351,50 @@ Conflicts: mariadb-client (<< ${source:Version}),
            mysql-client-5.7,
            mysql-client-8.0,
            mysql-client-core-5.0,
-           mysql-client-core-5.1,
-           mysql-client-core-5.5,
-           mysql-client-core-5.6,
-           mysql-client-core-5.7,
-           mysql-client-core-8.0,
+           mysql-client-core-5.1 (<< ${source:Version}),
+           mysql-client-core-5.5 (<< ${source:Version}),
+           mysql-client-core-5.6 (<< ${source:Version}),
+           mysql-client-core-5.7 (<< ${source:Version}),
+           mysql-client-core-8.0 (<< ${source:Version}),
            mytop,
            virtual-mysql-client
-Replaces: mariadb-client-10.0,
+Breaks: mariadb-client-core-10.0,
+        mariadb-client-core-10.1,
+        mariadb-client-core-10.2,
+        mariadb-client-core-10.3,
+        mariadb-client-core-10.4,
+        mariadb-client-core-10.5 (<< ${source:Version})
+Replaces: mariadb-client (<< ${source:Version}),
+          mariadb-client-10.0,
           mariadb-client-10.1,
           mariadb-client-10.2,
           mariadb-client-10.3,
           mariadb-client-10.4,
+          mariadb-client-10.5 (<< ${source:Version}),
           mariadb-client-5.1,
           mariadb-client-5.2,
           mariadb-client-5.3,
           mariadb-client-5.5,
+          mariadb-client-core-10.0,
+          mariadb-client-core-10.1,
+          mariadb-client-core-10.2,
+          mariadb-client-core-10.3,
+          mariadb-client-core-10.4,
+          mariadb-client-core-10.5 (<< ${source:Version}),
+          mariadb-server-10.5 (<< ${source:Version}),
+          mysql-client (<< 5.0.51),
           mysql-client-5.0,
           mysql-client-5.1,
           mysql-client-5.5,
           mysql-client-5.6,
           mysql-client-5.7,
           mysql-client-8.0,
+          mysql-client-core-5.0,
+          mysql-client-core-5.1 (<< ${source:Version}),
+          mysql-client-core-5.5 (<< ${source:Version}),
+          mysql-client-core-5.6 (<< ${source:Version}),
+          mysql-client-core-5.7 (<< ${source:Version}),
+          mysql-client-core-8.0 (<< ${source:Version}),
           mytop,
           virtual-mysql-client
 Provides: default-mysql-client,
@@ -397,7 +433,28 @@ Conflicts: mariadb-server-core-10.0,
            mysql-server-core-5.7,
            mysql-server-core-8.0,
            virtual-mysql-server-core
-Replaces: mariadb-server-core-10.0,
+Breaks: mariadb-client-10.0,
+        mariadb-client-10.1,
+        mariadb-client-10.2,
+        mariadb-client-10.3,
+        mariadb-client-10.4,
+        mariadb-client-10.5 (<< ${source:Version}),
+        mariadb-server-10.3,
+        mariadb-server-10.4,
+        mariadb-server-10.5 (<< ${source:Version}),
+        mysql-server-5.6,
+        mysql-server-5.7,
+        mysql-server-8.0
+Replaces: mariadb-client-10.0,
+          mariadb-client-10.1,
+          mariadb-client-10.2,
+          mariadb-client-10.3,
+          mariadb-client-10.4,
+          mariadb-client-10.5 (<< ${source:Version}),
+          mariadb-server-10.3,
+          mariadb-server-10.4,
+          mariadb-server-10.5 (<< ${source:Version}),
+          mariadb-server-core-10.0,
           mariadb-server-core-10.1,
           mariadb-server-core-10.2,
           mariadb-server-core-10.3,
@@ -406,6 +463,10 @@ Replaces: mariadb-server-core-10.0,
           mariadb-server-core-5.2,
           mariadb-server-core-5.3,
           mariadb-server-core-5.5,
+          mysql-server-5.0,
+          mysql-server-5.6,
+          mysql-server-5.7,
+          mysql-server-8.0,
           mysql-server-core-5.0,
           mysql-server-core-5.1,
           mysql-server-core-5.5,
@@ -459,11 +520,11 @@ Conflicts: mariadb-server (<< ${source:Version}),
            mariadb-server-5.2,
            mariadb-server-5.3,
            mariadb-server-5.5,
-           mysql-client-5.5,
-           mysql-client-5.6,
-           mysql-client-5.7,
-           mysql-client-8.0,
-           mysql-server,
+           mysql-client-5.5 (<< ${source:Version}),
+           mysql-client-5.6 (<< ${source:Version}),
+           mysql-client-5.7 (<< ${source:Version}),
+           mysql-client-8.0 (<< ${source:Version}),
+           mysql-server (<< ${source:Version}),
            mysql-server-4.1,
            mysql-server-5.0,
            mysql-server-5.1,
@@ -472,7 +533,11 @@ Conflicts: mariadb-server (<< ${source:Version}),
            mysql-server-5.7,
            mysql-server-8.0,
            virtual-mysql-server
-Replaces: mariadb-server-10.0,
+Replaces: libmariadbclient-dev (<< 5.5.0),
+          libmariadbclient16,
+          mariadb-client-10.5 (<< ${source:Version}),
+          mariadb-server (<< ${source:Version}),
+          mariadb-server-10.0,
           mariadb-server-10.1,
           mariadb-server-10.2,
           mariadb-server-10.3,
@@ -481,6 +546,11 @@ Replaces: mariadb-server-10.0,
           mariadb-server-5.2,
           mariadb-server-5.3,
           mariadb-server-5.5,
+          mysql-client-5.5 (<< ${source:Version}),
+          mysql-client-5.6 (<< ${source:Version}),
+          mysql-client-5.7 (<< ${source:Version}),
+          mysql-client-8.0 (<< ${source:Version}),
+          mysql-server (<< ${source:Version}),
           mysql-server-4.1,
           mysql-server-5.0,
           mysql-server-5.1,
@@ -714,18 +784,32 @@ Depends: mariadb-client-10.5 (= ${binary:Version}),
          ${misc:Depends},
          ${perl:Depends},
          ${shlibs:Depends}
-Breaks: mariadb-test-10.0,
+Breaks: mariadb-server-5.5,
+        mariadb-test-10.0,
         mariadb-test-10.1,
         mariadb-test-10.2,
         mariadb-test-10.3,
         mariadb-test-10.4,
-        mariadb-test-5.5
-Replaces: mariadb-test-10.0,
+        mariadb-test-5.5,
+        mysql-server-5.7,
+        mysql-testsuite,
+        mysql-testsuite-5.5,
+        mysql-testsuite-5.6,
+        mysql-testsuite-5.7,
+        mysql-testsuite-8.0
+Replaces: mariadb-server-5.5,
+          mariadb-test-10.0,
           mariadb-test-10.1,
           mariadb-test-10.2,
           mariadb-test-10.3,
           mariadb-test-10.4,
           mariadb-test-5.5,
+          mysql-server-5.7,
+          mysql-testsuite,
+          mysql-testsuite-5.5,
+          mysql-testsuite-5.6,
+          mysql-testsuite-5.7,
+          mysql-testsuite-8.0,
           virtual-mysql-testsuite
 Provides: virtual-mysql-testsuite
 Suggests: patch
@@ -743,23 +827,21 @@ Multi-Arch: foreign
 Depends: ${misc:Depends},
          ${perl:Depends},
          ${shlibs:Depends}
-Breaks: mariadb-test-data-10.0,
-        mariadb-test-data-10.1,
-        mariadb-test-data-10.2,
-        mariadb-test-data-10.3,
-        mariadb-test-data-10.4,
-        mariadb-test-data-5.5,
+Breaks: mariadb-test-10.0,
+        mariadb-test-10.1,
+        mariadb-test-10.2,
+        mariadb-test-5.5,
+        mariadb-test-data-10.0,
         mysql-testsuite,
         mysql-testsuite-5.5,
         mysql-testsuite-5.6,
         mysql-testsuite-5.7,
         mysql-testsuite-8.0
-Replaces: mariadb-test-data-10.0,
-          mariadb-test-data-10.1,
-          mariadb-test-data-10.2,
-          mariadb-test-data-10.3,
-          mariadb-test-data-10.4,
-          mariadb-test-data-5.5,
+Replaces: mariadb-test-10.0,
+          mariadb-test-10.1,
+          mariadb-test-10.2,
+          mariadb-test-5.5,
+          mariadb-test-data-10.0,
           mysql-testsuite,
           mysql-testsuite-5.5,
           mysql-testsuite-5.6,