From 94a1e48232184a25837e49fc01120228e5ff7860 Mon Sep 17 00:00:00 2001
From: unknown <magnus@neptunus.(none)>
Date: Wed, 4 Aug 2004 11:28:36 +0200
Subject: [PATCH] BUG#4892 TRUNCATE TABLE returns error 156 Added NDBCLUSTER to
 table types which does not support generate. Added test case for truncate.

sql/handler.h:
  Add NDBCLUSTER to table types that does not support generate.
---
 mysql-test/r/ndb_truncate.result | 14 ++++++++++++++
 mysql-test/t/ndb_truncate.test   | 33 ++++++++++++++++++++++++++++++++
 sql/handler.h                    |  3 ++-
 3 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100644 mysql-test/r/ndb_truncate.result
 create mode 100644 mysql-test/t/ndb_truncate.test

diff --git a/mysql-test/r/ndb_truncate.result b/mysql-test/r/ndb_truncate.result
new file mode 100644
index 00000000000..38f3a78029c
--- /dev/null
+++ b/mysql-test/r/ndb_truncate.result
@@ -0,0 +1,14 @@
+DROP TABLE IF EXISTS t2;
+CREATE TABLE t2 (
+a bigint unsigned NOT NULL PRIMARY KEY,
+b int unsigned not null,
+c int unsigned
+) engine=ndbcluster;
+select count(*) from t2;
+count(*)
+5000
+truncate table t2;
+select count(*) from t2;
+count(*)
+0
+drop table t2;
diff --git a/mysql-test/t/ndb_truncate.test b/mysql-test/t/ndb_truncate.test
new file mode 100644
index 00000000000..63bb8cbefb6
--- /dev/null
+++ b/mysql-test/t/ndb_truncate.test
@@ -0,0 +1,33 @@
+-- source include/have_ndb.inc
+
+--disable_warnings
+DROP TABLE IF EXISTS t2;
+--enable_warnings
+
+
+CREATE TABLE t2 (
+  a bigint unsigned NOT NULL PRIMARY KEY,
+  b int unsigned not null,
+  c int unsigned
+) engine=ndbcluster;
+
+
+#
+# insert records into table
+#
+let $1=500;
+disable_query_log;
+while ($1)
+{
+ eval insert into t2 values($1*10, $1+9, 5*$1), ($1*10+1, $1+10, 7),($1*10+2, $1+10, 7*$1), ($1*10+3, $1+10, 10+$1), ($1*10+4, $1+10, 70*$1), ($1*10+5, $1+10, 7), ($1*10+6, $1+10, 9), ($1*10+7, $1+299, 899), ($1*10+8, $1+10, 12), ($1*10+9, $1+10, 14*$1);
+ dec $1;
+}
+enable_query_log;
+
+select count(*) from t2;
+
+truncate table t2;
+
+select count(*) from t2;
+
+drop table t2;
diff --git a/sql/handler.h b/sql/handler.h
index 28b0b8df6e2..3dd89a0c5d0 100644
--- a/sql/handler.h
+++ b/sql/handler.h
@@ -516,7 +516,8 @@ extern TYPELIB tx_isolation_typelib;
 #define ha_rollback(thd) (ha_rollback_trans((thd), &((thd)->transaction.all)))
 
 #define ha_supports_generate(T) (T != DB_TYPE_INNODB && \
-                                 T != DB_TYPE_BERKELEY_DB)
+                                 T != DB_TYPE_BERKELEY_DB && \
+                                 T != DB_TYPE_NDBCLUSTER)
 
 bool ha_caching_allowed(THD* thd, char* table_key,
                         uint key_length, uint8 cache_type);