From e2c869f2ff92b72917ecb4d16cf9408be174eb71 Mon Sep 17 00:00:00 2001
From: unknown <dlenev@brandersnatch.localdomain>
Date: Tue, 18 Jan 2005 17:45:49 +0300
Subject: [PATCH] Added test for bug #7884 "Able to add invalid unique index on
 TIMESTAMP prefix", which roots were fixed in 4.0 tree.

mysql-test/r/alter_table.result:
  Added test for bug #7884 "Able to add invalid unique index on TIMESTAMP
  prefix".
mysql-test/t/alter_table.test:
  Added test for bug #7884 "Able to add invalid unique index on TIMESTAMP
  prefix".
---
 mysql-test/r/alter_table.result |  4 ++++
 mysql-test/t/alter_table.test   | 11 +++++++++++
 2 files changed, 15 insertions(+)

diff --git a/mysql-test/r/alter_table.result b/mysql-test/r/alter_table.result
index a7ae8bc310c..7d2b3f01ae6 100644
--- a/mysql-test/r/alter_table.result
+++ b/mysql-test/r/alter_table.result
@@ -493,3 +493,7 @@ select hex(a) from t1;
 hex(a)
 F2E5F1F2
 drop table t1;
+create table t1 ( a timestamp );
+alter table t1 add unique ( a(1) );
+ERROR HY000: Incorrect sub part key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique sub keys
+drop table t1;
diff --git a/mysql-test/t/alter_table.test b/mysql-test/t/alter_table.test
index 66a4adc90fe..c2277dc1755 100644
--- a/mysql-test/t/alter_table.test
+++ b/mysql-test/t/alter_table.test
@@ -336,3 +336,14 @@ select hex(a) from t1;
 alter table t1 convert to character set cp1251;
 select hex(a) from t1;
 drop table t1;
+
+#
+# Test for bug #7884 "Able to add invalid unique index on TIMESTAMP prefix"
+# MySQL should not think that packed field with non-zero decimals is
+# geometry field and allow to create prefix index which is
+# shorter than packed field length.
+#
+create table t1 ( a timestamp );
+--error 1089
+alter table t1 add unique ( a(1) );
+drop table t1;