Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 57 insertions, 0 deletions

diff --git a/mysql-test/suite/innodb/t/innodb_bug47621.test b/mysql-test/suite/innodb/t/innodb_bug47621.test
new file mode 100644
index 00000000..64a6ff76
--- /dev/null
+++ b/mysql-test/suite/innodb/t/innodb_bug47621.test
@@ -0,0 +1,57 @@
+--source include/have_innodb.inc
+# This is the test for bug #47621, column rename operation should
+# not result in column definition inconsistency between MySQL and
+# InnoDB
+
+
+CREATE TABLE bug47621 (salesperson INT) ENGINE=InnoDB;
+
+# Change the column name
+ALTER TABLE bug47621 CHANGE salesperson sales_acct_id INT;
+
+# If there is inconsistency of column name definition
+# in MySQL or InnoDB, following create index would fail
+create index orgs on bug47621(sales_acct_id);
+
+# Change the column name back with the index defined on it.
+ALTER TABLE bug47621 CHANGE sales_acct_id salesperson INT;
+
+drop table bug47621;
+
+CREATE TABLE bug47621_sale (
+	salesperson INT,
+	PRIMARY KEY(salesperson)) engine = innodb;
+
+CREATE TABLE bug47621_shirt(
+	id SMALLINT,
+	owner INT,
+	FOREIGN KEY(owner)
+		 references bug47621_sale(salesperson) ON DELETE RESTRICT)
+	engine = innodb;
+
+insert into bug47621_sale values(9);
+
+insert into bug47621_shirt values(1, 9);
+
+# Any rename operation on columns involved in a reference constraint will
+# fail, as it will be rejected by InnoDB row_rename_table_for_mysql().
+# In above example, any rename on column "salesperson" for table
+# "bug47621_sale", or on column "owner" for table "bug47621_shirt will
+# be blocked. We do not put such rename in the test since InnoDB error
+# message will be printed in the error log, and result in test failure.
+#
+# ALTER TABLE bug47621_sale CHANGE salesperson sales_acct_id INT;
+
+# Any rename on columns not involved in the foreign key constraint
+# could still proceed
+ALTER TABLE bug47621_shirt CHANGE id new_id INT;
+
+# Referencing table dropped, the rename operation on related columns
+# could proceed
+drop table bug47621_shirt;
+
+ALTER TABLE bug47621_sale CHANGE salesperson sales_acct_id INT;
+
+ALTER TABLE bug47621_sale ADD INDEX idx (sales_acct_id);
+
+drop table bug47621_sale;