From c6a890a795595a2049a42a7c7039e03e674b13a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Lindstr=C3=B6m?= <jan.lindstrom@mariadb.com>
Date: Tue, 4 Jan 2022 14:18:34 +0200
Subject: [PATCH] MDEV-19353 : Alter Sequence do not replicate to another nodes
 with in Galera Cluster

Galera replication of new DDL-case was missing
---
 .../suite/galera/r/galera_sequences.result    | 27 +++++++++++++++++++
 .../suite/galera/t/galera_sequences.test      | 24 +++++++++++++++++
 sql/sql_sequence.cc                           |  7 +++++
 3 files changed, 58 insertions(+)
 create mode 100644 mysql-test/suite/galera/r/galera_sequences.result
 create mode 100644 mysql-test/suite/galera/t/galera_sequences.test

diff --git a/mysql-test/suite/galera/r/galera_sequences.result b/mysql-test/suite/galera/r/galera_sequences.result
new file mode 100644
index 00000000000..e7edc905094
--- /dev/null
+++ b/mysql-test/suite/galera/r/galera_sequences.result
@@ -0,0 +1,27 @@
+connection node_2;
+connection node_1;
+connection node_1;
+CREATE SEQUENCE `seq` start with 1 minvalue 1 maxvalue 1000000 increment by 0 cache 1000 nocycle ENGINE=InnoDB;
+SHOW CREATE SEQUENCE seq;
+Table	Create Table
+seq	CREATE SEQUENCE `seq` start with 1 minvalue 1 maxvalue 1000000 increment by 0 cache 1000 nocycle ENGINE=InnoDB
+connection node_2;
+SHOW CREATE SEQUENCE seq;
+Table	Create Table
+seq	CREATE SEQUENCE `seq` start with 1 minvalue 1 maxvalue 1000000 increment by 0 cache 1000 nocycle ENGINE=InnoDB
+connection node_1;
+ALTER SEQUENCE seq MAXVALUE = 10000;
+SHOW CREATE SEQUENCE seq;
+Table	Create Table
+seq	CREATE SEQUENCE `seq` start with 1 minvalue 1 maxvalue 10000 increment by 0 cache 1000 nocycle ENGINE=InnoDB
+connection node_2;
+SHOW CREATE SEQUENCE seq;
+Table	Create Table
+seq	CREATE SEQUENCE `seq` start with 1 minvalue 1 maxvalue 10000 increment by 0 cache 1000 nocycle ENGINE=InnoDB
+connection node_1;
+DROP SEQUENCE seq;
+SHOW CREATE SEQUENCE seq;
+ERROR 42S02: Table 'test.seq' doesn't exist
+connection node_2;
+SHOW CREATE SEQUENCE seq;
+ERROR 42S02: Table 'test.seq' doesn't exist
diff --git a/mysql-test/suite/galera/t/galera_sequences.test b/mysql-test/suite/galera/t/galera_sequences.test
new file mode 100644
index 00000000000..e2ecdff49d0
--- /dev/null
+++ b/mysql-test/suite/galera/t/galera_sequences.test
@@ -0,0 +1,24 @@
+--source include/galera_cluster.inc
+
+--connection node_1
+CREATE SEQUENCE `seq` start with 1 minvalue 1 maxvalue 1000000 increment by 0 cache 1000 nocycle ENGINE=InnoDB;
+SHOW CREATE SEQUENCE seq;
+
+--connection node_2
+SHOW CREATE SEQUENCE seq;
+
+--connection node_1
+ALTER SEQUENCE seq MAXVALUE = 10000;
+SHOW CREATE SEQUENCE seq;
+
+--connection node_2
+SHOW CREATE SEQUENCE seq;
+
+--connection node_1
+DROP SEQUENCE seq;
+--error ER_NO_SUCH_TABLE
+SHOW CREATE SEQUENCE seq;
+
+--connection node_2
+--error ER_NO_SUCH_TABLE
+SHOW CREATE SEQUENCE seq;
diff --git a/sql/sql_sequence.cc b/sql/sql_sequence.cc
index 83091cd67da..8d1a67eab85 100644
--- a/sql/sql_sequence.cc
+++ b/sql/sql_sequence.cc
@@ -908,6 +908,13 @@ bool Sql_cmd_alter_sequence::execute(THD *thd)
   if (check_grant(thd, ALTER_ACL, first_table, FALSE, 1, FALSE))
     DBUG_RETURN(TRUE);                  /* purecov: inspected */
 
+#ifdef WITH_WSREP
+  if (WSREP_ON && WSREP(thd) &&
+      wsrep_to_isolation_begin(thd, first_table->db.str,
+	                       first_table->table_name.str,
+		               first_table))
+    DBUG_RETURN(TRUE);
+#endif /* WITH_WSREP */
   if (if_exists())
     thd->push_internal_handler(&no_such_table_handler);
   error= open_and_lock_tables(thd, first_table, FALSE, 0);