Merge joreland@bk-internal.mysql.com:/home/bk/mysql-5.1-new-ndb

into  perch.ndb.mysql.com:/home/jonas/src/mysql-5.1-new-ndb

mysql-test/r/partition_pruning.result

@@ -596,7 +596,7 @@ f_int1
 NULL
 explain partitions select * from t1 where f_int1 is null;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	part4_p2sp0	system	NULL	NULL	NULL	NULL	1	
+1	SIMPLE	t1	part4_part4sp0	system	NULL	NULL	NULL	NULL	1	
 drop table t1;
 create table t1 (a int not null, b int not null)
 partition by list(a) 
@@ -625,16 +625,16 @@ insert into t1 values (1,1),(1,2),(1,3),(1,4),
 (2,1),(2,2),(2,3),(2,4), (NULL,1);
 explain partitions select * from t1 where a IS NULL AND (b=1 OR b=2);
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	pn_p3sp0,pn_p3sp1	system	NULL	NULL	NULL	NULL	1	
+1	SIMPLE	t1	pn_pnsp0,pn_pnsp1	system	NULL	NULL	NULL	NULL	1	
 explain partitions select * from t1 where (a IS NULL or a < 1) AND (b=1 OR b=2);
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	pn_p3sp0,pn_p3sp1	system	NULL	NULL	NULL	NULL	1	
+1	SIMPLE	t1	pn_pnsp0,pn_pnsp1	system	NULL	NULL	NULL	NULL	1	
 explain partitions select * from t1 where (a IS NULL or a < 2) AND (b=1 OR b=2);
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p0_p0sp0,p0_p0sp1,pn_p3sp0,pn_p3sp1	ALL	NULL	NULL	NULL	NULL	5	Using where
+1	SIMPLE	t1	p0_p0sp0,p0_p0sp1,pn_pnsp0,pn_pnsp1	ALL	NULL	NULL	NULL	NULL	5	Using where
 explain partitions select * from t1 where (a IS NULL or a <= 1) AND (b=1 OR b=2);
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p0_p0sp0,p0_p0sp1,pn_p3sp0,pn_p3sp1	ALL	NULL	NULL	NULL	NULL	5	Using where
+1	SIMPLE	t1	p0_p0sp0,p0_p0sp1,pn_pnsp0,pn_pnsp1	ALL	NULL	NULL	NULL	NULL	5	Using where
 drop table t1;
 create table t1 ( a int)  partition by list (MOD(a, 10))
 ( partition p0  values in (0), partition p1 values in (1),

mysql-test/r/partition_range.result

@@ -363,3 +363,27 @@ SELECT COUNT(*) FROM t1 WHERE c3 < '2000-12-31';
 COUNT(*)
 10
 DROP TABLE t1;
+create table t1 (a int)
+partition by range (MOD(a,3))
+subpartition by hash(a)
+subpartitions 2
+(partition p0 values less than (1),
+partition p1 values less than (2),
+partition p2 values less than (3),
+partition p3 values less than (4));
+ALTER TABLE t1 DROP PARTITION p3;
+ALTER TABLE t1 DROP PARTITION p1;
+ALTER TABLE t1 DROP PARTITION p2;
+drop table t1;
+create table t1 (a int)
+partition by range (MOD(a,3))
+subpartition by hash(a)
+subpartitions 2
+(partition p0 values less than (1),
+partition p1 values less than (2),
+partition p2 values less than (3),
+partition p3 values less than (4));
+ALTER TABLE t1 DROP PARTITION p0;
+ALTER TABLE t1 DROP PARTITION p1;
+ALTER TABLE t1 DROP PARTITION p2;
+drop table t1;

mysql-test/t/partition_range.test

@@ -388,3 +388,31 @@ SELECT COUNT(*) FROM t1 WHERE c3 BETWEEN '1996-12-31' AND '2000-12-31';
 SELECT COUNT(*) FROM t1 WHERE c3 < '2000-12-31';
 DROP TABLE t1;
 
+#
+# BUG 18962 Errors in DROP PARTITION
+#
+create table t1 (a int)
+partition by range (MOD(a,3))
+subpartition by hash(a)
+subpartitions 2
+(partition p0 values less than (1),
+ partition p1 values less than (2),
+ partition p2 values less than (3),
+ partition p3 values less than (4));
+ALTER TABLE t1 DROP PARTITION p3;
+ALTER TABLE t1 DROP PARTITION p1;
+ALTER TABLE t1 DROP PARTITION p2;
+drop table t1;
+
+create table t1 (a int)
+partition by range (MOD(a,3))
+subpartition by hash(a)
+subpartitions 2
+(partition p0 values less than (1),
+ partition p1 values less than (2),
+ partition p2 values less than (3),
+ partition p3 values less than (4));
+ALTER TABLE t1 DROP PARTITION p0;
+ALTER TABLE t1 DROP PARTITION p1;
+ALTER TABLE t1 DROP PARTITION p2;
+drop table t1;

sql/partition_info.cc

@@ -88,10 +88,10 @@ partition_info *partition_info::get_clone()
     The external routine needing this code is check_partition_info
 */
 
-#define MAX_PART_NAME_SIZE 16
+#define MAX_PART_NAME_SIZE 8
 
 char *partition_info::create_default_partition_names(uint part_no, uint no_parts, 
-                                                     uint start_no, bool is_subpart)
+                                                     uint start_no)
 {
   char *ptr= sql_calloc(no_parts*MAX_PART_NAME_SIZE);
   char *move_ptr= ptr;
@@ -102,9 +102,6 @@ char *partition_info::create_default_partition_names(uint part_no, uint no_parts
   {
     do
     {
-      if (is_subpart)
-        my_sprintf(move_ptr, (move_ptr,"p%usp%u", part_no, (start_no + i)));
-      else
       my_sprintf(move_ptr, (move_ptr,"p%u", (start_no + i)));
       move_ptr+=MAX_PART_NAME_SIZE;
     } while (++i < no_parts);
@@ -117,6 +114,36 @@ char *partition_info::create_default_partition_names(uint part_no, uint no_parts
 }
 
 
+/*
+  Create a unique name for the subpartition as part_name'sp''subpart_no'
+  SYNOPSIS
+    create_subpartition_name()
+    subpart_no                  Number of subpartition
+    part_name                   Name of partition
+  RETURN VALUES
+    >0                          A reference to the created name string
+    0                           Memory allocation error
+*/
+
+char *partition_info::create_subpartition_name(uint subpart_no,
+                                               const char *part_name)
+{
+  uint size_alloc= strlen(part_name) + MAX_PART_NAME_SIZE;
+  char *ptr= sql_calloc(size_alloc);
+  DBUG_ENTER("create_subpartition_name");
+
+  if (likely(ptr != NULL))
+  {
+    my_sprintf(ptr, (ptr, "%ssp%u", part_name, subpart_no));
+  }
+  else
+  {
+    mem_alloc_error(size_alloc);
+  }
+  DBUG_RETURN(ptr);
+}
+
+
 /*
   Set up all the default partitions not set-up by the user in the SQL
   statement. Also perform a number of checks that the user hasn't tried
@@ -167,8 +194,7 @@ bool partition_info::set_up_default_partitions(handler *file, ulonglong max_rows
     goto end;
   }
   if (unlikely((!(default_name= create_default_partition_names(0, no_parts,
-                                                               start_no,
-                                                               FALSE)))))
+                                                               start_no)))))
     goto end;
   i= 0;
   do
@@ -238,18 +264,17 @@ bool partition_info::set_up_default_subpartitions(handler *file,
   {
     part_elem= part_it++;
     j= 0;
-    name_ptr= create_default_partition_names(i, no_subparts, (uint)0, TRUE);
-    if (unlikely(!name_ptr))
-      goto end;
     do
     {
       partition_element *subpart_elem= new partition_element();
       if (likely(subpart_elem != 0 &&
           (!part_elem->subpartitions.push_back(subpart_elem))))
       {
+        char *ptr= create_subpartition_name(j, part_elem->partition_name);
+        if (!ptr)
+          goto end;
         subpart_elem->engine_type= default_engine_type;
-        subpart_elem->partition_name= name_ptr;
-        name_ptr+= MAX_PART_NAME_SIZE;
+        subpart_elem->partition_name= ptr;
       }
       else
       {

sql/partition_info.h

@@ -256,7 +256,8 @@ class partition_info : public Sql_alloc
                                  uint start_no);
   bool set_up_default_subpartitions(handler *file, ulonglong max_rows);
   char *create_default_partition_names(uint part_no, uint no_parts,
-                                       uint start_no, bool is_subpart);
+                                       uint start_no);
+  char *create_subpartition_name(uint subpart_no, const char *part_name);
   bool has_unique_name(partition_element *element);
 };
 

storage/ndb/test/ndbapi/bank/Bank.hpp

@@ -29,6 +29,7 @@ public:
 
   Bank(Ndb_cluster_connection&, bool init = true, const char *dbase="BANK");
 
+  int setSkipCreate(bool skip) { m_skip_create = skip; }
   int createAndLoadBank(bool overWrite, bool disk= false, int num_accounts=10);
   int dropBank();
   
@@ -140,6 +141,7 @@ private:
   Ndb m_ndb;
   int m_maxAccount;
   bool m_initialized;
+  bool m_skip_create;
 };
 
 #endif

storage/ndb/test/ndbapi/bank/BankLoad.cpp

@@ -69,7 +69,7 @@ int Bank::createAndLoadBank(bool ovrWrt, bool disk, int num_accounts){
     }
   }
   
-  if (createTables(disk) != NDBT_OK)
+  if (!m_skip_create && createTables(disk) != NDBT_OK)
     return NDBT_FAILED;
   
   if (clearTables() != NDBT_OK)

storage/ndb/test/ndbapi/bank/bankCreator.cpp

@@ -31,10 +31,12 @@ int main(int argc, const char** argv){
   int _help = 0;
   char * _database = "BANK";
   int disk = 0;
+  int skip_create = 0;
 
   struct getargs args[] = {
     { "database", 'd', arg_string, &_database, "Database name", ""},
     { "disk", 0, arg_flag, &disk, "Use disk tables", "" },
+    { "skip-create", 0, arg_flag, &skip_create, "Skip create", "" },
     { "usage", '?', arg_flag, &_help, "Print help", "" }
   };
   int num_args = sizeof(args) / sizeof(args[0]);
@@ -55,6 +57,7 @@ int main(int argc, const char** argv){
 
   Bank bank(con,_database);
   int overWriteExisting = true;
+  bank.setSkipCreate(skip_create);
   if (bank.createAndLoadBank(overWriteExisting, disk) != NDBT_OK)
     return NDBT_ProgramExit(NDBT_FAILED);
   return NDBT_ProgramExit(NDBT_OK);