merged

BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
Docs/Support/texi2html:
  Auto merged
client/mysqltest.c:
  Auto merged
innobase/lock/lock0lock.c:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
mysql-test/r/fulltext.result:
  Auto merged
mysql-test/r/heap.result:
  Auto merged
mysql-test/r/key.result:
  Auto merged
mysql-test/r/myisam.result:
  Auto merged
mysql-test/r/rpl000015.result:
  Auto merged
mysql-test/r/rpl_log_pos.result:
  Auto merged
mysql-test/r/rpl_rotate_logs.result:
  Auto merged
mysql-test/r/subselect.result:
  Auto merged
mysql-test/r/type_blob.result:
  Auto merged
mysql-test/t/key.test:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged
mysql-test/t/rpl000015.test:
  Auto merged
mysql-test/t/rpl_log_pos.test:
  Auto merged
mysql-test/t/rpl_rotate_logs.test:
  Auto merged
mysql-test/t/subselect.test:
  Auto merged
sql/ha_ndbcluster.cc:
  Auto merged
sql/ha_ndbcluster.h:
  Auto merged
sql/handler.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/sql_do.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged

49 files changed, 658 insertions, 151 deletions

diff --git a/VC++Files/client/mysqladmin.dsp b/VC++Files/client/mysqladmin.dsp
index a7e4404e253..7a0b3bec1a7 100644
--- a/VC++Files/client/mysqladmin.dsp
+++ b/VC++Files/client/mysqladmin.dsp
@@ -115,7 +115,7 @@ LINK32=xilink6.exe
 # Name "mysqladmin - Win32 classic"
 # Begin Source File
 
-SOURCE=.\mysqladmin.c
+SOURCE=.\mysqladmin.cpp
 # End Source File
 # End Target
 # End Project
diff --git a/extra/perror.c b/extra/perror.c
index a28626fd873..1bd4b203120 100644
--- a/extra/perror.c
+++ b/extra/perror.c
@@ -69,7 +69,7 @@ static HA_ERRORS ha_errlist[]=
 {
   { 120,"Didn't find key on read or update" },
   { 121,"Duplicate key on write or update" },
-  { 123,"Someone has changed the row since it was read; Update with is recoverable" },
+  { 123,"Someone has changed the row since it was read (while the table was locked to prevent it)" },
   { 124,"Wrong index given to function" },
   { 126,"Index file is crashed" },
   { 127,"Record-file is crashed" },
diff --git a/heap/hp_rfirst.c b/heap/hp_rfirst.c
index 1668376ed1c..85548fea212 100644
--- a/heap/hp_rfirst.c
+++ b/heap/hp_rfirst.c
@@ -52,6 +52,7 @@ int heap_rfirst(HP_INFO *info, byte *record, int inx)
       my_errno=HA_ERR_END_OF_FILE;
       DBUG_RETURN(my_errno);
     }
+    DBUG_ASSERT(0); /* TODO fix it */
     info->current_record=0;
     info->current_hash_ptr=0;
     info->update=HA_STATE_PREV_FOUND;
diff --git a/include/m_ctype.h b/include/m_ctype.h
index ddc21070547..26e285b9683 100644
--- a/include/m_ctype.h
+++ b/include/m_ctype.h
@@ -63,7 +63,7 @@ typedef struct unicase_info_st
 #define MY_CS_UNICODE	128    /* is a charset is full unicode   */
 #define MY_CS_READY	256    /* if a charset is initialized    */
 #define MY_CS_AVAILABLE	512    /* If either compiled-in or loaded*/
-
+#define MY_CS_CSSORT	1024   /* if case sensitive sort order   */	
 #define MY_CHARSET_UNDEFINED 0
 
 
diff --git a/innobase/lock/lock0lock.c b/innobase/lock/lock0lock.c
index 98def88fa31..479952235f0 100644
--- a/innobase/lock/lock0lock.c
+++ b/innobase/lock/lock0lock.c
@@ -4090,6 +4090,9 @@ lock_print_info(
 		(ulong) ut_dulint_get_low(purge_sys->purge_undo_no));
 
 	fprintf(file,
+	"History list length %lu\n", (ulong) trx_sys->rseg_history_len);
+
+	fprintf(file,
 		"Total number of lock structs in row lock hash table %lu\n",
 					 (ulong) lock_get_n_rec_locks());
 
diff --git a/innobase/row/row0sel.c b/innobase/row/row0sel.c
index 71163bc35b6..26d26ca323c 100644
--- a/innobase/row/row0sel.c
+++ b/innobase/row/row0sel.c
@@ -638,23 +638,24 @@ row_sel_get_clust_rec(
 	if (!node->read_view) {
 		/* Try to place a lock on the index record */
         
-          /* If innodb_locks_unsafe_for_binlog option is used, 
-             we lock only the record, i.e. next-key locking is
-             not used.
-	  */
-	  if ( srv_locks_unsafe_for_binlog )
-	    {
-		err = lock_clust_rec_read_check_and_lock(0, clust_rec, 
-                        index,node->row_lock_mode, LOCK_REC_NOT_GAP, thr);
-	    }
-	  else
-	    {		
-		err = lock_clust_rec_read_check_and_lock(0, clust_rec, index,
-				node->row_lock_mode, LOCK_ORDINARY, thr);
-
-	    }
-
-	    if (err != DB_SUCCESS) {
+		/* If innodb_locks_unsafe_for_binlog option is used, 
+		we lock only the record, i.e. next-key locking is
+		not used.
+		*/
+
+		if (srv_locks_unsafe_for_binlog) {
+			err = lock_clust_rec_read_check_and_lock(0, 
+					clust_rec, 
+					index, node->row_lock_mode, 
+					LOCK_REC_NOT_GAP, thr);
+		} else {
+			err = lock_clust_rec_read_check_and_lock(0, 
+					clust_rec, 
+					index, node->row_lock_mode, 
+					LOCK_ORDINARY, thr);
+		}
+
+		if (err != DB_SUCCESS) {
 
 			return(err);
 		}
@@ -1205,22 +1206,24 @@ rec_loop:
 		
 		if (!consistent_read) {
 
-		  /* If innodb_locks_unsafe_for_binlog option is used,
-                     we lock only the record, i.e. next-key locking is
-                     not used.
-		  */
-
-                  if ( srv_locks_unsafe_for_binlog )
-		    {
-			err = sel_set_rec_lock(page_rec_get_next(rec), index,
-				node->row_lock_mode, LOCK_REC_NOT_GAP, thr);
-		    } 
-                    else
-		    {
-			err = sel_set_rec_lock(page_rec_get_next(rec), index,
-				node->row_lock_mode, LOCK_ORDINARY, thr);
-		    }
-		    if (err != DB_SUCCESS) {
+			/* If innodb_locks_unsafe_for_binlog option is used,
+			we lock only the record, i.e. next-key locking is
+			not used.
+			*/
+
+			if (srv_locks_unsafe_for_binlog) {
+				err = sel_set_rec_lock(page_rec_get_next(rec), 
+							index,
+							node->row_lock_mode,
+							LOCK_REC_NOT_GAP, thr);
+			} else {
+				err = sel_set_rec_lock(page_rec_get_next(rec), 
+							index,
+							node->row_lock_mode, 
+							LOCK_ORDINARY, thr);
+			}
+
+			if (err != DB_SUCCESS) {
 				/* Note that in this case we will store in pcur
 				the PREDECESSOR of the record we are waiting
 				the lock for */
@@ -1245,21 +1248,18 @@ rec_loop:
 	if (!consistent_read) {
 		/* Try to place a lock on the index record */	
 
-		  /* If innodb_locks_unsafe_for_binlog option is used,
-                     we lock only the record, i.e. next-key locking is
-                     not used.
-		  */
+		/* If innodb_locks_unsafe_for_binlog option is used,
+		we lock only the record, i.e. next-key locking is
+		not used.
+		*/
 
-                  if ( srv_locks_unsafe_for_binlog )
-		    {
-		        err = sel_set_rec_lock(rec, index, node->row_lock_mode,
+		if (srv_locks_unsafe_for_binlog) {
+			err = sel_set_rec_lock(rec, index, node->row_lock_mode,
 						LOCK_REC_NOT_GAP, thr);
-		    } 
-		  else
-		    {
-		        err = sel_set_rec_lock(rec, index, node->row_lock_mode,
+		} else {
+			err = sel_set_rec_lock(rec, index, node->row_lock_mode,
 						LOCK_ORDINARY, thr);
-		    }
+		}
 
 		if (err != DB_SUCCESS) {
 
@@ -3234,8 +3234,7 @@ rec_loop:
 			we do not lock gaps. Supremum record is really
 			a gap and therefore we do not set locks there. */
 			
-			if ( srv_locks_unsafe_for_binlog == FALSE )
-			{
+			if (srv_locks_unsafe_for_binlog == FALSE) {
 				err = sel_set_rec_lock(rec, index,
 						prebuilt->select_lock_type,
 						LOCK_ORDINARY, thr);
@@ -3337,11 +3336,18 @@ rec_loop:
 
 			if (prebuilt->select_lock_type != LOCK_NONE
 		    	    && set_also_gap_locks) {
-				/* Try to place a lock on the index record */
 
-				err = sel_set_rec_lock(rec, index,
+				/* Try to place a gap lock on the index 
+				record only if innodb_locks_unsafe_for_binlog
+				option is not set */
+
+				if (srv_locks_unsafe_for_binlog == FALSE) { 
+
+					err = sel_set_rec_lock(rec, index,
 						prebuilt->select_lock_type,
 						LOCK_GAP, thr);
+				}
+
 				if (err != DB_SUCCESS) {
 
 					goto lock_wait_or_error;
@@ -3363,11 +3369,18 @@ rec_loop:
 			
 			if (prebuilt->select_lock_type != LOCK_NONE
 			    && set_also_gap_locks) {
-				/* Try to place a lock on the index record */	
 
-				err = sel_set_rec_lock(rec, index,
+				/* Try to place a gap lock on the index 
+				record only if innodb_locks_unsafe_for_binlog
+				option is not set */
+
+				if (srv_locks_unsafe_for_binlog == FALSE) {
+
+					err = sel_set_rec_lock(rec, index,
 						prebuilt->select_lock_type,
 						LOCK_GAP, thr);
+				}
+
 				if (err != DB_SUCCESS) {
 
 					goto lock_wait_or_error;
@@ -3401,19 +3414,16 @@ rec_loop:
 						prebuilt->select_lock_type,
 						LOCK_REC_NOT_GAP, thr);
 		} else {
-                        /* If innodb_locks_unsafe_for_binlog option is used, 
-                           we lock only the record, i.e. next-key locking is
-                           not used.
-	                */
-	                if ( srv_locks_unsafe_for_binlog )
-	                {
-			    err = sel_set_rec_lock(rec, index,
+			/* If innodb_locks_unsafe_for_binlog option is used, 
+			we lock only the record, i.e. next-key locking is
+			not used. */
+
+			if (srv_locks_unsafe_for_binlog) {
+				err = sel_set_rec_lock(rec, index,
 						prebuilt->select_lock_type,
 						LOCK_REC_NOT_GAP, thr);
-			}
-			else
-			{
-			    err = sel_set_rec_lock(rec, index,
+			} else {
+				err = sel_set_rec_lock(rec, index,
 						prebuilt->select_lock_type,
 						LOCK_ORDINARY, thr);
 			}
diff --git a/innobase/trx/trx0purge.c b/innobase/trx/trx0purge.c
index 5c62640e011..3df34111281 100644
--- a/innobase/trx/trx0purge.c
+++ b/innobase/trx/trx0purge.c
@@ -289,7 +289,7 @@ trx_purge_add_update_undo_to_history(
 			flst_get_len(seg_header + TRX_UNDO_PAGE_LIST, mtr));
 
 		mlog_write_ulint(rseg_header + TRX_RSEG_HISTORY_SIZE,
-				hist_size + undo->size, MLOG_4BYTES, mtr);	
+				hist_size + undo->size, MLOG_4BYTES, mtr);
 	}
 
 	/* Add the log as the first in the history list */
@@ -646,6 +646,27 @@ trx_purge_rseg_get_next_history_log(
 		mutex_exit(&(rseg->mutex));
 		mtr_commit(&mtr);
 
+		mutex_enter(&kernel_mutex);
+		
+		/* Add debug code to track history list corruption reported
+		on the MySQL mailing list on Nov 9, 2004. The fut0lst.c
+		file-based list was corrupt. The prev node pointer was
+		FIL_NULL, even though the list length was over 8 million nodes!
+		We assume that purge truncates the history list in moderate
+		size pieces, and if we here reach the head of the list, the
+		list cannot be longer than 20 000 undo logs now. */
+	
+		if (trx_sys->rseg_history_len > 20000) {
+			ut_print_timestamp(stderr);
+			fprintf(stderr,
+"  InnoDB: Warning: purge reached the head of the history list,\n"
+"InnoDB: but its length is still reported as %lu! Make a detailed bug\n"
+"InnoDB: report, and post it to bugs.mysql.com\n",
+					(ulong)trx_sys->rseg_history_len);
+		}
+
+		mutex_exit(&kernel_mutex);
+
 		return;
 	}
 
diff --git a/innobase/trx/trx0undo.c b/innobase/trx/trx0undo.c
index c1edc223cbc..8d1518753dd 100644
--- a/innobase/trx/trx0undo.c
+++ b/innobase/trx/trx0undo.c
@@ -1241,7 +1241,7 @@ trx_undo_lists_init(
 
 		if (page_no != FIL_NULL
 		    && srv_force_recovery < SRV_FORCE_NO_UNDO_LOG_SCAN) {
-		    
+
 			undo = trx_undo_mem_create_at_db_start(rseg, i,
 								page_no, &mtr);
 			size += undo->size;
diff --git a/myisam/ft_boolean_search.c b/myisam/ft_boolean_search.c
index 9a51eff88e1..c432ac5a16c 100644
--- a/myisam/ft_boolean_search.c
+++ b/myisam/ft_boolean_search.c
@@ -348,7 +348,7 @@ static void _ftb_init_index_search(FT_INFO *ftb)
           FTB_EXPR *top_ftbe=ftbe->up->up;
           ftbw->docid[0]=HA_OFFSET_ERROR;
           for (ftbe=ftbw->up; ftbe != top_ftbe; ftbe=ftbe->up)
-            if (ftbe->flags & FTB_FLAG_YES)
+            if (!(ftbe->flags & FTB_FLAG_NO))
               ftbe->yweaks++;
           ftbe=0;
           break;
@@ -356,7 +356,7 @@ static void _ftb_init_index_search(FT_INFO *ftb)
       }
       if (!ftbe)
         continue;
-      /* 3 */
+      /* 4 */
       if (!is_tree_inited(& ftb->no_dupes))
         init_tree(& ftb->no_dupes,0,0,sizeof(my_off_t),
             _ftb_no_dupes_cmp,0,0,0);
diff --git a/mysql-test/r/ctype_latin1.result b/mysql-test/r/ctype_latin1.result
index a8182438ac4..355f53b63a5 100644
--- a/mysql-test/r/ctype_latin1.result
+++ b/mysql-test/r/ctype_latin1.result
@@ -296,3 +296,12 @@ FD	C3BD	FD	1
 FE	C3BE	FE	1
 FF	C3BF	FF	1
 DROP TABLE t1;
+select 'a' regexp 'A' collate latin1_general_ci;
+'a' regexp 'A' collate latin1_general_ci
+1
+select 'a' regexp 'A' collate latin1_general_cs;
+'a' regexp 'A' collate latin1_general_cs
+0
+select 'a' regexp 'A' collate latin1_bin;
+'a' regexp 'A' collate latin1_bin
+0
diff --git a/mysql-test/r/delete.result b/mysql-test/r/delete.result
index 5575ee1bf98..f1fba87c70b 100644
--- a/mysql-test/r/delete.result
+++ b/mysql-test/r/delete.result
@@ -16,12 +16,34 @@ SET AUTOCOMMIT=0;
 DELETE from t1;
 SET AUTOCOMMIT=1;
 drop table t1;
-create table t1 (a bigint not null, primary key (a,a,a,a,a,a,a,a,a,a));
-insert into t1 values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23);
+create table t1 (
+a bigint not null,
+b bigint not null default 0,
+c bigint not null default 0,
+d bigint not null default 0,
+e bigint not null default 0,
+f bigint not null default 0,
+g bigint not null default 0,
+h bigint not null default 0,
+i bigint not null default 0,
+j bigint not null default 0,
+primary key (a,b,c,d,e,f,g,h,i,j));
+insert into t1 (a) values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23);
 delete from t1 where a=26;
 drop table t1;
-create table t1 (a bigint not null, primary key (a,a,a,a,a,a,a,a,a,a));
-insert into t1 values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23),(27);
+create table t1 (
+a bigint not null,
+b bigint not null default 0,
+c bigint not null default 0,
+d bigint not null default 0,
+e bigint not null default 0,
+f bigint not null default 0,
+g bigint not null default 0,
+h bigint not null default 0,
+i bigint not null default 0,
+j bigint not null default 0,
+primary key (a,b,c,d,e,f,g,h,i,j));
+insert into t1 (a) values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23),(27);
 delete from t1 where a=27;
 drop table t1;
 CREATE TABLE `t1` (
diff --git a/mysql-test/r/fulltext.result b/mysql-test/r/fulltext.result
index 5f0b228e23d..1951f68e822 100644
--- a/mysql-test/r/fulltext.result
+++ b/mysql-test/r/fulltext.result
@@ -190,6 +190,14 @@ a
 select * from t1 where match a against ("+aaa10 +(bbb*)" in boolean mode);
 a
 aaa10 bbb20
+select * from t1 where match a against ("+(+aaa* +bbb1*)" in boolean mode);
+a
+aaa20 bbb15
+aaa30 bbb10
+select * from t1 where match a against ("(+aaa* +bbb1*)" in boolean mode);
+a
+aaa20 bbb15
+aaa30 bbb10
 drop table t1;
 CREATE TABLE t1 (
 id int(11),
diff --git a/mysql-test/r/heap.result b/mysql-test/r/heap.result
index 3f468a5751e..e741a6859c7 100644
--- a/mysql-test/r/heap.result
+++ b/mysql-test/r/heap.result
@@ -233,3 +233,10 @@ SELECT * FROM t1 WHERE B is not null;
 a	B
 1	1
 DROP TABLE t1;
+CREATE TABLE t1 (pseudo char(35) PRIMARY KEY, date int(10) unsigned NOT NULL) ENGINE=HEAP;
+INSERT INTO t1 VALUES ('massecot',1101106491),('altec',1101106492),('stitch+',1101106304),('Seb Corgan',1101106305),('beerfilou',1101106263),('flaker',1101106529),('joce8',5),('M4vrick',1101106418),('gabay008',1101106525),('Vamp irX',1101106291),('ZoomZip',1101106546),('rip666',1101106502),('CBP ',1101106397),('guezpard',1101106496);
+DELETE FROM t1 WHERE date<1101106546;
+SELECT * FROM t1;
+pseudo	date
+ZoomZip	1101106546
+DROP TABLE t1;
diff --git a/mysql-test/r/innodb.result b/mysql-test/r/innodb.result
index 6097dadb1fa..b36084de58c 100644
--- a/mysql-test/r/innodb.result
+++ b/mysql-test/r/innodb.result
@@ -1630,6 +1630,24 @@ show status like "binlog_cache_disk_use";
 Variable_name	Value
 Binlog_cache_disk_use	1
 drop table t1;
+create table t1 (c char(10), index (c,c)) engine=innodb;
+ERROR 42S21: Duplicate column name 'c'
+create table t1 (c1 char(10), c2 char(10), index (c1,c2,c1)) engine=innodb;
+ERROR 42S21: Duplicate column name 'c1'
+create table t1 (c1 char(10), c2 char(10), index (c1,c1,c2)) engine=innodb;
+ERROR 42S21: Duplicate column name 'c1'
+create table t1 (c1 char(10), c2 char(10), index (c2,c1,c1)) engine=innodb;
+ERROR 42S21: Duplicate column name 'c1'
+create table t1 (c1 char(10), c2 char(10)) engine=innodb;
+alter table t1 add key (c1,c1);
+ERROR 42S21: Duplicate column name 'c1'
+alter table t1 add key (c2,c1,c1);
+ERROR 42S21: Duplicate column name 'c1'
+alter table t1 add key (c1,c2,c1);
+ERROR 42S21: Duplicate column name 'c1'
+alter table t1 add key (c1,c1,c2);
+ERROR 42S21: Duplicate column name 'c1'
+drop table t1;
 create table t1 (x bigint unsigned not null primary key) engine=innodb;
 insert into t1(x) values (0xfffffffffffffff0),(0xfffffffffffffff1);
 select * from t1;
diff --git a/mysql-test/r/key.result b/mysql-test/r/key.result
index b11969ab6d7..98e8851bb7e 100644
--- a/mysql-test/r/key.result
+++ b/mysql-test/r/key.result
@@ -311,3 +311,21 @@ test.t1	check	status	OK
 drop table t1;
 create table t1 (c char(10), index (c(0)));
 ERROR HY000: Key part 'c' length cannot be 0
+create table t1 (c char(10), index (c,c));
+ERROR 42S21: Duplicate column name 'c'
+create table t1 (c1 char(10), c2 char(10), index (c1,c2,c1));
+ERROR 42S21: Duplicate column name 'c1'
+create table t1 (c1 char(10), c2 char(10), index (c1,c1,c2));
+ERROR 42S21: Duplicate column name 'c1'
+create table t1 (c1 char(10), c2 char(10), index (c2,c1,c1));
+ERROR 42S21: Duplicate column name 'c1'
+create table t1 (c1 char(10), c2 char(10));
+alter table t1 add key (c1,c1);
+ERROR 42S21: Duplicate column name 'c1'
+alter table t1 add key (c2,c1,c1);
+ERROR 42S21: Duplicate column name 'c1'
+alter table t1 add key (c1,c2,c1);
+ERROR 42S21: Duplicate column name 'c1'
+alter table t1 add key (c1,c1,c2);
+ERROR 42S21: Duplicate column name 'c1'
+drop table t1;
diff --git a/mysql-test/r/ndb_index_unique.result b/mysql-test/r/ndb_index_unique.result
index af9b84022ed..31b258c0a6f 100644
--- a/mysql-test/r/ndb_index_unique.result
+++ b/mysql-test/r/ndb_index_unique.result
@@ -44,6 +44,51 @@ a	b	c
 7	8	3
 8	2	3
 drop table t1;
+CREATE TABLE t1 (
+a int unsigned NOT NULL PRIMARY KEY,
+b int unsigned,
+c int unsigned,
+UNIQUE bc(b,c)
+) engine = ndb;
+insert into t1 values(1,1,1),(2,NULL,2),(3,NULL,NULL),(4,4,NULL);
+select * from t1 use index (bc) where b IS NULL order by a;
+a	b	c
+2	NULL	2
+3	NULL	NULL
+select * from t1 use index (bc)order by a;
+a	b	c
+1	1	1
+2	NULL	2
+3	NULL	NULL
+4	4	NULL
+select * from t1 use index (bc) order by a;
+a	b	c
+1	1	1
+2	NULL	2
+3	NULL	NULL
+4	4	NULL
+select * from t1 use index (PRIMARY) where b IS NULL order by a;
+a	b	c
+2	NULL	2
+3	NULL	NULL
+select * from t1 use index (bc) where b IS NULL order by a;
+a	b	c
+2	NULL	2
+3	NULL	NULL
+select * from t1 use index (bc) where b IS NULL and c IS NULL order by a;
+a	b	c
+select * from t1 use index (bc) where b IS NULL and c = 2 order by a;
+a	b	c
+select * from t1 use index (bc) where b < 4 order by a;
+a	b	c
+1	1	1
+select * from t1 use index (bc) where b IS NOT NULL order by a;
+a	b	c
+1	1	1
+4	4	NULL
+insert into t1 values(5,1,1);
+ERROR 23000: Duplicate entry '5' for key 1
+drop table t1;
 CREATE TABLE t2 (
 a int unsigned NOT NULL PRIMARY KEY,
 b int unsigned not null,
@@ -87,6 +132,13 @@ a	b	c
 7	8	3
 8	2	3
 drop table t2;
+CREATE TABLE t2 (
+a int unsigned NOT NULL PRIMARY KEY,
+b int unsigned not null,
+c int unsigned,
+UNIQUE USING HASH (b, c)	
+) engine=ndbcluster;
+ERROR 42000: Column 'c' is used with UNIQUE or INDEX but is not defined as NOT NULL
 CREATE TABLE t3 (
 a int unsigned NOT NULL,
 b int unsigned not null,
diff --git a/mysql-test/r/ps.result b/mysql-test/r/ps.result
index e0f230fa579..a4c16206b11 100644
--- a/mysql-test/r/ps.result
+++ b/mysql-test/r/ps.result
@@ -450,6 +450,27 @@ PREPARE stmt FROM 'UPDATE t1 AS P1 INNER JOIN (SELECT N FROM t1 GROUP BY N HAVIN
 EXECUTE stmt;
 DEALLOCATE PREPARE stmt;
 DROP TABLE t1;
+prepare stmt from "select ? is null, ? is not null, ?";
+select @no_such_var is null, @no_such_var is not null, @no_such_var;
+@no_such_var is null	@no_such_var is not null	@no_such_var
+1	0	NULL
+execute stmt using @no_such_var, @no_such_var, @no_such_var;
+? is null	? is not null	?
+1	0	NULL
+set @var='abc';
+select @var is null, @var is not null, @var;
+@var is null	@var is not null	@var
+0	1	abc
+execute stmt using @var, @var, @var;
+? is null	? is not null	?
+0	1	abc
+set @var=null;
+select @var is null, @var is not null, @var;
+@var is null	@var is not null	@var
+1	0	NULL
+execute stmt using @var, @var, @var;
+? is null	? is not null	?
+1	0	NULL
 create table t1 (a varchar(20));
 insert into t1 values ('foo');
 prepare stmt FROM 'SELECT char_length (a) FROM t1';
diff --git a/mysql-test/r/range.result b/mysql-test/r/range.result
index 1374a8fd0ed..17e1ee5ea1a 100644
--- a/mysql-test/r/range.result
+++ b/mysql-test/r/range.result
@@ -220,7 +220,8 @@ insert into t1 (x) values (1),(2),(3),(4),(5),(6),(7),(8),(9);
 update t1 set y=x;
 explain select * from t1, t1 t2 where t1.y = 2 and t2.x between 7 and t1.y+0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+1	SIMPLE	t1	ref	y	y	5	const	1	Using where
+1	SIMPLE	t2	range	x	x	5	NULL	4	Range checked for each record (index map: 0x1)
 explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= 7 and t2.x <= t1.y+0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
diff --git a/mysql-test/r/subselect.result b/mysql-test/r/subselect.result
index ceb8919b26a..20ab3ac8f80 100644
--- a/mysql-test/r/subselect.result
+++ b/mysql-test/r/subselect.result
@@ -1998,3 +1998,18 @@ ac
 700
 NULL
 drop tables t1,t2;
+create table t1 (a int not null, b int not null, c int, primary key (a,b));
+insert into t1 values (1,1,1), (2,2,2), (3,3,3);
+set @b:= 0;
+explain select sum(a) from t1 where b > @b;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	index	NULL	PRIMARY	8	NULL	3	Using where; Using index
+set @a:= (select sum(a) from t1 where b > @b);
+explain select a from t1 where c=2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	Using where
+do @a:= (select sum(a) from t1 where b > @b);
+explain select a from t1 where c=2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	Using where
+drop table t1;
diff --git a/mysql-test/r/type_blob.result b/mysql-test/r/type_blob.result
index 2f564112e40..c9c15b4c293 100644
--- a/mysql-test/r/type_blob.result
+++ b/mysql-test/r/type_blob.result
@@ -682,8 +682,8 @@ id	txt
 3	NULL
 1	Chevy
 drop table t1;
-CREATE TABLE t1 ( i int(11) NOT NULL default '0',    c text NOT NULL, PRIMARY KEY  (i), KEY (c(1),c(1)));
-INSERT t1 VALUES (1,''),(2,''),(3,'asdfh'),(4,'');
+CREATE TABLE t1 ( i int(11) NOT NULL default '0',    c text NOT NULL, d varchar(1) NOT NULL DEFAULT ' ', PRIMARY KEY  (i), KEY (c(1),d));
+INSERT t1 (i, c) VALUES (1,''),(2,''),(3,'asdfh'),(4,'');
 select max(i) from t1 where c = '';
 max(i)
 4
diff --git a/mysql-test/t/ctype_latin1.test b/mysql-test/t/ctype_latin1.test
index 14062437428..677acd9faa9 100644
--- a/mysql-test/t/ctype_latin1.test
+++ b/mysql-test/t/ctype_latin1.test
@@ -53,3 +53,10 @@ SELECT
   hex(@l:=convert(@u using latin1)),
   a=@l FROM t1;
 DROP TABLE t1;
+
+#
+# Bug #6737: REGEXP gives wrong result with case sensitive collation
+#
+select 'a' regexp 'A' collate latin1_general_ci;
+select 'a' regexp 'A' collate latin1_general_cs;
+select 'a' regexp 'A' collate latin1_bin;
diff --git a/mysql-test/t/delete.test b/mysql-test/t/delete.test
index 5f60445d765..0bf7187865d 100644
--- a/mysql-test/t/delete.test
+++ b/mysql-test/t/delete.test
@@ -29,12 +29,34 @@ drop table t1;
 # (This assumes a block size of 1024)
 #
 
-create table t1 (a bigint not null, primary key (a,a,a,a,a,a,a,a,a,a));
-insert into t1 values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23);
+create table t1 (
+	a bigint not null,
+	b bigint not null default 0,
+	c bigint not null default 0,
+	d bigint not null default 0,
+	e bigint not null default 0,
+	f bigint not null default 0,
+	g bigint not null default 0,
+	h bigint not null default 0,
+	i bigint not null default 0,
+	j bigint not null default 0,
+	primary key (a,b,c,d,e,f,g,h,i,j));
+insert into t1 (a) values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23);
 delete from t1 where a=26;
 drop table t1;
-create table t1 (a bigint not null, primary key (a,a,a,a,a,a,a,a,a,a));
-insert into t1 values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23),(27);
+create table t1 (
+	a bigint not null,
+	b bigint not null default 0,
+	c bigint not null default 0,
+	d bigint not null default 0,
+	e bigint not null default 0,
+	f bigint not null default 0,
+	g bigint not null default 0,
+	h bigint not null default 0,
+	i bigint not null default 0,
+	j bigint not null default 0,
+	primary key (a,b,c,d,e,f,g,h,i,j));
+insert into t1 (a) values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23),(27);
 delete from t1 where a=27;
 drop table t1;
 
diff --git a/mysql-test/t/fulltext.test b/mysql-test/t/fulltext.test
index afbe8f8117c..41fbf3f27ac 100644
--- a/mysql-test/t/fulltext.test
+++ b/mysql-test/t/fulltext.test
@@ -98,6 +98,8 @@ select * from t1 where match a against ("+aaa* +bbb*" in boolean mode);
 select * from t1 where match a against ("+aaa* +bbb1*" in boolean mode);
 select * from t1 where match a against ("+aaa* +ccc*" in boolean mode);
 select * from t1 where match a against ("+aaa10 +(bbb*)" in boolean mode);
+select * from t1 where match a against ("+(+aaa* +bbb1*)" in boolean mode);
+select * from t1 where match a against ("(+aaa* +bbb1*)" in boolean mode);
 drop table t1;
 
 #
diff --git a/mysql-test/t/heap.test b/mysql-test/t/heap.test
index e1776245d9e..2eff36f3317 100644
--- a/mysql-test/t/heap.test
+++ b/mysql-test/t/heap.test
@@ -174,3 +174,14 @@ CREATE TABLE t1 (a INT NOT NULL, B INT, KEY(B)) ENGINE=HEAP;
 INSERT INTO t1 VALUES(1,1), (1,NULL);
 SELECT * FROM t1 WHERE B is not null;
 DROP TABLE t1;
+
+#
+# Bug #6748
+# heap_rfirst() doesn't work (and never did!)
+#
+CREATE TABLE t1 (pseudo char(35) PRIMARY KEY, date int(10) unsigned NOT NULL) ENGINE=HEAP;
+INSERT INTO t1 VALUES ('massecot',1101106491),('altec',1101106492),('stitch+',1101106304),('Seb Corgan',1101106305),('beerfilou',1101106263),('flaker',1101106529),('joce8',5),('M4vrick',1101106418),('gabay008',1101106525),('Vamp irX',1101106291),('ZoomZip',1101106546),('rip666',1101106502),('CBP ',1101106397),('guezpard',1101106496);
+DELETE FROM t1 WHERE date<1101106546;
+SELECT * FROM t1;
+DROP TABLE t1;
+
diff --git a/mysql-test/t/innodb.test b/mysql-test/t/innodb.test
index 5ea6817bfba..47324f1b828 100644
--- a/mysql-test/t/innodb.test
+++ b/mysql-test/t/innodb.test
@@ -1180,6 +1180,28 @@ select count(*) from t1 where x = 18446744073709551601;
 
 drop table t1;
 
+#
+# Bug #6126: Duplicate columns in keys gives misleading error message
+#
+--error 1060
+create table t1 (c char(10), index (c,c)) engine=innodb;
+--error 1060
+create table t1 (c1 char(10), c2 char(10), index (c1,c2,c1)) engine=innodb;
+--error 1060
+create table t1 (c1 char(10), c2 char(10), index (c1,c1,c2)) engine=innodb;
+--error 1060
+create table t1 (c1 char(10), c2 char(10), index (c2,c1,c1)) engine=innodb;
+create table t1 (c1 char(10), c2 char(10)) engine=innodb;
+--error 1060
+alter table t1 add key (c1,c1);
+--error 1060
+alter table t1 add key (c2,c1,c1);
+--error 1060
+alter table t1 add key (c1,c2,c1);
+--error 1060
+alter table t1 add key (c1,c1,c2);
+drop table t1;
+
 # Test for testable InnoDB status variables. This test
 # uses previous ones(pages_created, rows_deleted, ...).
 show status like "Innodb_buffer_pool_pages_total";
diff --git a/mysql-test/t/key.test b/mysql-test/t/key.test
index 0a86c1cd145..af3509c8454 100644
--- a/mysql-test/t/key.test
+++ b/mysql-test/t/key.test
@@ -301,3 +301,26 @@ drop table t1;
 
 --error 1391
 create table t1 (c char(10), index (c(0)));
+
+#
+# Bug #6126: Duplicate columns in keys should fail
+# Bug #6252: (dup)
+#
+--error 1060
+create table t1 (c char(10), index (c,c));
+--error 1060
+create table t1 (c1 char(10), c2 char(10), index (c1,c2,c1));
+--error 1060
+create table t1 (c1 char(10), c2 char(10), index (c1,c1,c2));
+--error 1060
+create table t1 (c1 char(10), c2 char(10), index (c2,c1,c1));
+create table t1 (c1 char(10), c2 char(10));
+--error 1060
+alter table t1 add key (c1,c1);
+--error 1060
+alter table t1 add key (c2,c1,c1);
+--error 1060
+alter table t1 add key (c1,c2,c1);
+--error 1060
+alter table t1 add key (c1,c1,c2);
+drop table t1;
diff --git a/mysql-test/t/ndb_autodiscover.test b/mysql-test/t/ndb_autodiscover.test
index fd7fe0e60d8..6551732adba 100644
--- a/mysql-test/t/ndb_autodiscover.test
+++ b/mysql-test/t/ndb_autodiscover.test
@@ -199,7 +199,7 @@ insert into t4 values (1, "Automatic");
 select * from t4;
 
 # Remove the table from NDB
-system exec $NDB_TOOLS_DIR/ndb_drop_table -d test t4 > /dev/null ; 
+system exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test t4 > /dev/null ; 
 
 #
 # Test that correct error is returned
@@ -230,7 +230,7 @@ select * from t4;
 flush tables;
 
 # Remove the table from NDB
-system exec $NDB_TOOLS_DIR/ndb_drop_table -d test t4 > /dev/null ; 
+system exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test t4 > /dev/null ; 
 
 SHOW TABLES;
 
@@ -264,8 +264,8 @@ insert into t8 values (8, "myisam table 8");
 insert into t9 values (9);
 
 # Remove t3, t5 from NDB
-system exec $NDB_TOOLS_DIR/ndb_drop_table -d test t3 > /dev/null  ;
-system exec $NDB_TOOLS_DIR/ndb_drop_table -d test t5 > /dev/null  ;
+system exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test t3 > /dev/null  ;
+system exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test t5 > /dev/null  ;
 # Remove t6, t7 from disk
 system rm var/master-data/test/t6.frm > /dev/null ; 
 system rm var/master-data/test/t7.frm > /dev/null ; 
@@ -306,8 +306,8 @@ insert into t8 values (8, "myisam table 8");
 insert into t9 values (9);
 
 # Remove t3, t5 from NDB
-system exec $NDB_TOOLS_DIR/ndb_drop_table -d test t3 > /dev/null  ;
-system exec $NDB_TOOLS_DIR/ndb_drop_table -d test t5 > /dev/null  ;
+system exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test t3 > /dev/null  ;
+system exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test t5 > /dev/null  ;
 # Remove t6, t7 from disk
 system rm var/master-data/test/t6.frm > /dev/null ; 
 system rm var/master-data/test/t7.frm > /dev/null ; 
@@ -479,4 +479,4 @@ create table t10 (
 
 insert into t10 values (1, 'kalle');
 
---exec $NDB_TOOLS_DIR/ndb_drop_table -d test `$NDB_TOOLS_DIR/ndb_show_tables | grep BLOB` > /dev/null 2>&1 || true
+--exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test `$NDB_TOOLS_DIR/ndb_show_tables --no-defaults | grep BLOB` > /dev/null 2>&1 || true
diff --git a/mysql-test/t/ndb_index_unique.test b/mysql-test/t/ndb_index_unique.test
index bdb23949763..397a2c45a9f 100644
--- a/mysql-test/t/ndb_index_unique.test
+++ b/mysql-test/t/ndb_index_unique.test
@@ -30,6 +30,32 @@ select * from t1 order by a;
 
 drop table t1;
 
+#
+# Indexing NULL values
+#
+
+CREATE TABLE t1 (
+  a int unsigned NOT NULL PRIMARY KEY,
+  b int unsigned,
+  c int unsigned,
+  UNIQUE bc(b,c)
+) engine = ndb;
+
+insert into t1 values(1,1,1),(2,NULL,2),(3,NULL,NULL),(4,4,NULL);
+select * from t1 use index (bc) where b IS NULL order by a;
+
+select * from t1 use index (bc)order by a;
+select * from t1 use index (bc) order by a;
+select * from t1 use index (PRIMARY) where b IS NULL order by a;
+select * from t1 use index (bc) where b IS NULL order by a;
+select * from t1 use index (bc) where b IS NULL and c IS NULL order by a;
+select * from t1 use index (bc) where b IS NULL and c = 2 order by a;
+select * from t1 use index (bc) where b < 4 order by a;
+select * from t1 use index (bc) where b IS NOT NULL order by a;
+-- error 1062
+insert into t1 values(5,1,1);
+drop table t1;
+
 
 #
 # Show use of UNIQUE USING HASH indexes 
@@ -58,6 +84,14 @@ select * from t2 order by a;
 
 drop table t2;
 
+-- error 1121
+CREATE TABLE t2 (
+  a int unsigned NOT NULL PRIMARY KEY,
+  b int unsigned not null,
+  c int unsigned,
+  UNIQUE USING HASH (b, c)	
+) engine=ndbcluster;
+
 #
 # Show use of PRIMARY KEY USING HASH indexes 
 #
diff --git a/mysql-test/t/ps.test b/mysql-test/t/ps.test
index 1d23a09a71e..157b125a13d 100644
--- a/mysql-test/t/ps.test
+++ b/mysql-test/t/ps.test
@@ -458,6 +458,20 @@ EXECUTE stmt;
 DEALLOCATE PREPARE stmt;
 DROP TABLE t1;
 
+# 
+# Bug#6297 "prepared statement, wrong handling of <parameter> IS NULL"
+# Test that placeholders work with IS NULL/IS NOT NULL clauses. 
+#
+prepare stmt from "select ? is null, ? is not null, ?";
+select @no_such_var is null, @no_such_var is not null, @no_such_var;
+execute stmt using @no_such_var, @no_such_var, @no_such_var;
+set @var='abc';
+select @var is null, @var is not null, @var;
+execute stmt using @var, @var, @var;
+set @var=null;
+select @var is null, @var is not null, @var;
+execute stmt using @var, @var, @var;
+
 #
 # Bug#6102 "Server crash with prepared statement and blank after
 # function name"
@@ -469,3 +483,4 @@ insert into t1 values ('foo');
 --error 1305
 prepare stmt FROM 'SELECT char_length (a) FROM t1'; 
 drop table t1;
+
diff --git a/mysql-test/t/rpl000001.test b/mysql-test/t/rpl000001.test
index 2e0ba2fff25..835af92186f 100644
--- a/mysql-test/t/rpl000001.test
+++ b/mysql-test/t/rpl000001.test
@@ -98,7 +98,7 @@ wait_for_slave_to_stop;
 
 # The following test can't be done because the result of Pos will differ
 # on different computers
-# --replace_result 9306 9999 3334 9999 3335 9999
+# --replace_result $MASTER_MYPORT MASTER_PORT
 # show slave status;
 
 set global sql_slave_skip_counter=1;
diff --git a/mysql-test/t/subselect.test b/mysql-test/t/subselect.test
index 16556c4864c..9cf9f13cfea 100644
--- a/mysql-test/t/subselect.test
+++ b/mysql-test/t/subselect.test
@@ -1287,3 +1287,22 @@ INSERT INTO `t2` VALUES (6,5,12,7,'a'),(12,0,0,7,'a'),(12,1,0,7,'a'),(12,5,5,7,'
 SELECT b.sc FROM (SELECT (SELECT a.access FROM t1 a WHERE a.map = op.map AND a.slave = op.pid AND a.master = 1) ac FROM t2 op WHERE op.id = 12 AND op.map = 0) b;
 SELECT b.ac FROM (SELECT (SELECT a.access FROM t1 a WHERE a.map = op.map AND a.slave = op.pid AND a.master = 1) ac FROM t2 op WHERE op.id = 12 AND op.map = 0) b;
 drop tables t1,t2;
+
+#
+# Test for bug #6462. "Same request on same data returns different
+# results." a.k.a. "Proper cleanup of subqueries is missing for 
+# SET and DO statements".
+#
+create table t1 (a int not null, b int not null, c int, primary key (a,b));
+insert into t1 values (1,1,1), (2,2,2), (3,3,3);
+set @b:= 0;
+# Let us check that subquery will use covering index
+explain select sum(a) from t1 where b > @b;
+# This should not crash -debug server due to failing assertion
+set @a:= (select sum(a) from t1 where b > @b);
+# And this should not falsely report index usage
+explain select a from t1 where c=2;
+# Same for DO statement
+do @a:= (select sum(a) from t1 where b > @b);
+explain select a from t1 where c=2;
+drop table t1;
diff --git a/mysql-test/t/type_blob.test b/mysql-test/t/type_blob.test
index b67fa7a552d..f70193ddbe0 100644
--- a/mysql-test/t/type_blob.test
+++ b/mysql-test/t/type_blob.test
@@ -369,8 +369,8 @@ explain select * from t1 where txt='Chevy' or txt is NULL order by txt;
 select * from t1 where txt='Chevy' or txt is NULL order by txt;
 drop table t1;
 
-CREATE TABLE t1 ( i int(11) NOT NULL default '0',    c text NOT NULL, PRIMARY KEY  (i), KEY (c(1),c(1)));
-INSERT t1 VALUES (1,''),(2,''),(3,'asdfh'),(4,'');
+CREATE TABLE t1 ( i int(11) NOT NULL default '0',    c text NOT NULL, d varchar(1) NOT NULL DEFAULT ' ', PRIMARY KEY  (i), KEY (c(1),d));
+INSERT t1 (i, c) VALUES (1,''),(2,''),(3,'asdfh'),(4,'');
 select max(i) from t1 where c = '';
 drop table t1;
 
diff --git a/mysys/charset.c b/mysys/charset.c
index 1388fc40c6d..cb2379f8723 100644
--- a/mysys/charset.c
+++ b/mysys/charset.c
@@ -228,6 +228,7 @@ static int add_collation(CHARSET_INFO *cs)
       }
       else
       {
+        uchar *sort_order= all_charsets[cs->number]->sort_order;
         simple_cs_init_functions(all_charsets[cs->number]);
         new->mbminlen= 1;
         new->mbmaxlen= 1;
@@ -236,6 +237,16 @@ static int add_collation(CHARSET_INFO *cs)
           all_charsets[cs->number]->state |= MY_CS_LOADED;
         }
         all_charsets[cs->number]->state|= MY_CS_AVAILABLE;
+        
+        /*
+          Check if case sensitive sort order: A < a < B.
+          We need MY_CS_FLAG for regex library, and for
+          case sensitivity flag for 5.0 client protocol,
+          to support isCaseSensitive() method in JDBC driver 
+        */
+        if (sort_order && sort_order['A'] < sort_order['a'] &&
+                          sort_order['a'] < sort_order['B'])
+          all_charsets[cs->number]->state|= MY_CS_CSSORT; 
       }
     }
     else
diff --git a/ndb/src/kernel/blocks/ERROR_codes.txt b/ndb/src/kernel/blocks/ERROR_codes.txt
index 7ff03684cff..5193d3eae9d 100644
--- a/ndb/src/kernel/blocks/ERROR_codes.txt
+++ b/ndb/src/kernel/blocks/ERROR_codes.txt
@@ -1,7 +1,7 @@
 Next QMGR 1
 Next NDBCNTR 1000
 Next NDBFS 2000
-Next DBACC 3001
+Next DBACC 3002
 Next DBTUP 4013
 Next DBLQH 5042
 Next DBDICT 6006
@@ -393,6 +393,7 @@ Failed Create Table:
 --------------------
 7173: Create table failed due to not sufficient number of fragment or
       replica records.
+3001: Fail create 1st fragment
 4007 12001: Fail create 1st fragment
 4008 12002: Fail create 2nd fragment
 4009 12003: Fail create 1st attribute in 1st fragment
diff --git a/ndb/src/kernel/blocks/dbacc/DbaccMain.cpp b/ndb/src/kernel/blocks/dbacc/DbaccMain.cpp
index c275e5382f7..5c7cc597672 100644
--- a/ndb/src/kernel/blocks/dbacc/DbaccMain.cpp
+++ b/ndb/src/kernel/blocks/dbacc/DbaccMain.cpp
@@ -1062,7 +1062,21 @@ void Dbacc::execACCFRAGREQ(Signal* signal)
 {
   const AccFragReq * const req = (AccFragReq*)&signal->theData[0];
   jamEntry();
+  if (ERROR_INSERTED(3001)) {
+    jam();
+    addFragRefuse(signal, 1);
+    CLEAR_ERROR_INSERT_VALUE;
+    return;
+  }
   tabptr.i = req->tableId;
+#ifndef VM_TRACE
+  // config mismatch - do not crash if release compiled
+  if (tabptr.i >= ctablesize) {
+    jam();
+    addFragRefuse(signal, 800);
+    return;
+  }
+#endif
   ptrCheckGuard(tabptr, ctablesize, tabrec);
   ndbrequire((req->reqInfo & 0xF) == ZADDFRAG);
   ndbrequire(!getrootfragmentrec(signal, rootfragrecptr, req->fragId));
diff --git a/ndb/src/kernel/blocks/dbtup/DbtupMeta.cpp b/ndb/src/kernel/blocks/dbtup/DbtupMeta.cpp
index 914dba00674..405f790954e 100644
--- a/ndb/src/kernel/blocks/dbtup/DbtupMeta.cpp
+++ b/ndb/src/kernel/blocks/dbtup/DbtupMeta.cpp
@@ -69,6 +69,17 @@ void Dbtup::execTUPFRAGREQ(Signal* signal)
   Uint32 noOfAttributeGroups = signal->theData[12];
   Uint32 globalCheckpointIdIndicator = signal->theData[13];
 
+#ifndef VM_TRACE
+  // config mismatch - do not crash if release compiled
+  if (regTabPtr.i >= cnoOfTablerec) {
+    ljam();
+    signal->theData[0] = userptr;
+    signal->theData[1] = 800;
+    sendSignal(userblockref, GSN_TUPFRAGREF, signal, 2, JBB);
+    return;
+  }
+#endif
+
   ptrCheckGuard(regTabPtr, cnoOfTablerec, tablerec);
   if (cfirstfreeFragopr == RNIL) {
     ljam();
diff --git a/ndb/test/ndbapi/testDict.cpp b/ndb/test/ndbapi/testDict.cpp
index 712ab2e4d25..0a43bb02fff 100644
--- a/ndb/test/ndbapi/testDict.cpp
+++ b/ndb/test/ndbapi/testDict.cpp
@@ -1480,8 +1480,10 @@ runTestDictionaryPerf(NDBT_Context* ctx, NDBT_Step* step){
 }
 
 int runFailAddFragment(NDBT_Context* ctx, NDBT_Step* step){
+  static int acclst[] = { 3001 };
   static int tuplst[] = { 4007, 4008, 4009, 4010, 4011, 4012 };
   static int tuxlst[] = { 12001, 12002, 12003, 12004, 12005, 12006 };
+  static unsigned acccnt = sizeof(acclst)/sizeof(acclst[0]);
   static unsigned tupcnt = sizeof(tuplst)/sizeof(tuplst[0]);
   static unsigned tuxcnt = sizeof(tuxlst)/sizeof(tuxlst[0]);
 
@@ -1509,6 +1511,19 @@ int runFailAddFragment(NDBT_Context* ctx, NDBT_Step* step){
   (void)pDic->dropTable(tab.getName());
 
   for (int l = 0; l < loops; l++) {
+    for (unsigned i0 = 0; i0 < acccnt; i0++) {
+      unsigned j = (l == 0 ? i0 : myRandom48(acccnt));
+      int errval = acclst[j];
+      g_info << "insert error node=" << nodeId << " value=" << errval << endl;
+      CHECK2(restarter.insertErrorInNode(nodeId, errval) == 0,
+             "failed to set error insert");
+      CHECK2(pDic->createTable(tab) != 0,
+             "failed to fail after error insert " << errval);
+      CHECK2(pDic->createTable(tab) == 0,
+             pDic->getNdbError());
+      CHECK2(pDic->dropTable(tab.getName()) == 0,
+             pDic->getNdbError());
+    }
     for (unsigned i1 = 0; i1 < tupcnt; i1++) {
       unsigned j = (l == 0 ? i1 : myRandom48(tupcnt));
       int errval = tuplst[j];
@@ -1638,7 +1653,7 @@ TESTCASE("DictionaryPerf",
   INITIALIZER(runTestDictionaryPerf);
 }
 TESTCASE("FailAddFragment",
-         "Fail add fragment or attribute in TUP or TUX\n"){
+         "Fail add fragment or attribute in ACC or TUP or TUX\n"){
   INITIALIZER(runFailAddFragment);
 }
 NDBT_TESTSUITE_END(testDict);
@@ -1650,5 +1665,3 @@ int main(int argc, const char** argv){
   myRandom48Init(NdbTick_CurrentMillisecond());
   return testDict.execute(argc, argv);
 }
-
-
diff --git a/sql/ha_ndbcluster.cc b/sql/ha_ndbcluster.cc
index a9537db39c7..0dc1399db24 100644
--- a/sql/ha_ndbcluster.cc
+++ b/sql/ha_ndbcluster.cc
@@ -796,7 +796,8 @@ int ha_ndbcluster::build_index_list(TABLE *tab, enum ILBP phase)
 	  error= create_unique_index(unique_index_name, key_info);
 	break;
       case UNIQUE_INDEX:
-	error= create_unique_index(unique_index_name, key_info);
+	if (!(error= check_index_fields_not_null(i)))
+	  error= create_unique_index(unique_index_name, key_info);
 	break;
       case ORDERED_INDEX:
 	error= create_ordered_index(index_name, key_info);
@@ -848,6 +849,26 @@ NDB_INDEX_TYPE ha_ndbcluster::get_index_type_from_table(uint inx) const
 	    ORDERED_INDEX);
 } 
 
+int ha_ndbcluster::check_index_fields_not_null(uint inx)
+{
+  KEY* key_info= table->key_info + inx;
+  KEY_PART_INFO* key_part= key_info->key_part;
+  KEY_PART_INFO* end= key_part+key_info->key_parts;
+  DBUG_ENTER("check_index_fields_not_null");
+  
+  for (; key_part != end; key_part++) 
+    {
+      Field* field= key_part->field;
+      if (field->maybe_null())
+      {
+	my_printf_error(ER_NULL_COLUMN_IN_INDEX,ER(ER_NULL_COLUMN_IN_INDEX),
+			MYF(0),field->field_name);
+	DBUG_RETURN(ER_NULL_COLUMN_IN_INDEX);
+      }
+    }
+  
+  DBUG_RETURN(0);
+}
 
 void ha_ndbcluster::release_metadata()
 {
diff --git a/sql/ha_ndbcluster.h b/sql/ha_ndbcluster.h
index 02d7b96db20..354a98e698c 100644
--- a/sql/ha_ndbcluster.h
+++ b/sql/ha_ndbcluster.h
@@ -160,7 +160,8 @@ class ha_ndbcluster: public handler
   void release_metadata();
   NDB_INDEX_TYPE get_index_type(uint idx_no) const;
   NDB_INDEX_TYPE get_index_type_from_table(uint index_no) const;
-  
+  int check_index_fields_not_null(uint index_no);
+
   int pk_read(const byte *key, uint key_len, byte *buf);
   int complemented_pk_read(const byte *old_data, byte *new_data);
   int peek_row();
diff --git a/sql/handler.cc b/sql/handler.cc
index 3c5244927d4..b474e6290f2 100644
--- a/sql/handler.cc
+++ b/sql/handler.cc
@@ -970,8 +970,10 @@ int handler::read_first_row(byte * buf, uint primary_key)
   /*
     If there is very few deleted rows in the table, find the first row by
     scanning the table.
+    TODO remove the test for HA_READ_ORDER
   */
-  if (deleted < 10 || primary_key >= MAX_KEY)
+  if (deleted < 10 || primary_key >= MAX_KEY ||
+      !(index_flags(primary_key, 0, 0) & HA_READ_ORDER))
   {
     (void) ha_rnd_init(1);
     while ((error= rnd_next(buf)) == HA_ERR_RECORD_DELETED) ;
diff --git a/sql/item.h b/sql/item.h
index 9c036c28408..23515abc7a8 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -266,6 +266,14 @@ public:
   virtual bool get_time(TIME *ltime);
   virtual bool get_date_result(TIME *ltime,uint fuzzydate)
   { return get_date(ltime,fuzzydate); }
+  /*
+    This function is used only in Item_func_isnull/Item_func_isnotnull
+    (implementations of IS NULL/IS NOT NULL clauses). Item_func_is{not}null
+    calls this method instead of one of val/result*() methods, which
+    normally will set null_value. This allows to determine nullness of
+    a complex expression without fully evaluating it.
+    Any new item which can be NULL must implement this call.
+  */
   virtual bool is_null() { return 0; }
   /*
     it is "top level" item of WHERE clause and we do not need correct NULL
@@ -710,6 +718,8 @@ public:
   void print(String *str);
   /* parameter never equal to other parameter of other item */
   bool eq(const Item *item, bool binary_cmp) const { return 0; }
+  bool is_null()
+  { DBUG_ASSERT(state != NO_VALUE); return state == NULL_VALUE; }
 };
 
 class Item_int :public Item_num
diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc
index 4a4485ba2da..23bd1b503f7 100644
--- a/sql/item_cmpfunc.cc
+++ b/sql/item_cmpfunc.cc
@@ -2429,11 +2429,12 @@ Item_func_regex::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
       return FALSE;
     }
     int error;
-    if ((error=regcomp(&preg,res->c_ptr(),
-		       (cmp_collation.collation->state & MY_CS_BINSORT) ?
-		       REG_EXTENDED | REG_NOSUB :
-		       REG_EXTENDED | REG_NOSUB | REG_ICASE,
-		       cmp_collation.collation)))
+    if ((error= regcomp(&preg,res->c_ptr(),
+                        ((cmp_collation.collation->state & MY_CS_BINSORT) ||
+                         (cmp_collation.collation->state & MY_CS_CSSORT)) ?
+                         REG_EXTENDED | REG_NOSUB :
+                         REG_EXTENDED | REG_NOSUB | REG_ICASE,
+                        cmp_collation.collation)))
     {
       (void) regerror(error,&preg,buff,sizeof(buff));
       my_error(ER_REGEXP_ERROR, MYF(0), buff);
@@ -2481,10 +2482,11 @@ longlong Item_func_regex::val_int()
 	regex_compiled=0;
       }
       if (regcomp(&preg,res2->c_ptr(),
-		  (cmp_collation.collation->state & MY_CS_BINSORT) ?
-		  REG_EXTENDED | REG_NOSUB :
-		  REG_EXTENDED | REG_NOSUB | REG_ICASE,
-		  cmp_collation.collation))
+                  ((cmp_collation.collation->state & MY_CS_BINSORT) ||
+                   (cmp_collation.collation->state & MY_CS_CSSORT)) ?
+                   REG_EXTENDED | REG_NOSUB :
+                   REG_EXTENDED | REG_NOSUB | REG_ICASE,
+                   cmp_collation.collation))
       {
 	null_value=1;
 	return 0;
diff --git a/sql/set_var.cc b/sql/set_var.cc
index 79d886fb84f..46865de9314 100644
--- a/sql/set_var.cc
+++ b/sql/set_var.cc
@@ -2781,13 +2781,18 @@ int sql_set_variables(THD *thd, List<set_var_base> *var_list)
   while ((var=it++))
   {
     if ((error=var->check(thd)))
-      DBUG_RETURN(error);
+      goto err;
   }
-  if (thd->net.report_error)
-    DBUG_RETURN(1);
-  it.rewind();
-  while ((var=it++))
-    error|= var->update(thd);			// Returns 0, -1 or 1
+  if (!thd->net.report_error)
+  {
+    it.rewind();
+    while ((var= it++))
+      error|= var->update(thd);         // Returns 0, -1 or 1
+  }
+  else
+    error= 1;
+err:
+  free_underlaid_joins(thd, &thd->lex->select_lex);
   DBUG_RETURN(error);
 }
 
diff --git a/sql/sql_do.cc b/sql/sql_do.cc
index 3ca3bea743a..3f34835c2c9 100644
--- a/sql/sql_do.cc
+++ b/sql/sql_do.cc
@@ -29,6 +29,7 @@ bool mysql_do(THD *thd, List<Item> &values)
     DBUG_RETURN(TRUE);
   while ((value = li++))
     value->val_int();
+  free_underlaid_joins(thd, &thd->lex->select_lex);
   thd->clear_error(); // DO always is OK
   send_ok(thd);
   DBUG_RETURN(FALSE);
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index 58c19422b24..bff599ce64a 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -2626,7 +2626,7 @@ add_key_field(KEY_FIELD **key_fields, uint and_level, COND *cond,
 
       bool is_const=1;
       for (uint i=0; i<num_values; i++)
-        is_const&= (value[i])->const_item();
+        is_const&= value[i]->const_item();
       if (is_const)
         stat[0].const_keys.merge(possible_keys);
       /*
diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index 8ff2fa5faa8..8600a58f792 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -835,7 +835,7 @@ int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
 #endif
     }
 
-    List_iterator<key_part_spec> cols(key->columns);
+    List_iterator<key_part_spec> cols(key->columns), cols2(key->columns);
     CHARSET_INFO *ft_key_charset=0;  // for FULLTEXT
     for (uint column_nr=0 ; (column=cols++) ; column_nr++)
     {
@@ -851,6 +851,19 @@ int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
 	my_error(ER_KEY_COLUMN_DOES_NOT_EXITS, MYF(0), column->field_name);
 	DBUG_RETURN(-1);
       }
+      for (uint dup_nr= 0; dup_nr < column_nr; dup_nr++)
+      {
+	key_part_spec *dup_column= cols2++;
+        if (!my_strcasecmp(system_charset_info,
+	     	           column->field_name, dup_column->field_name))
+	{
+	  my_printf_error(ER_DUP_FIELDNAME,
+			  ER(ER_DUP_FIELDNAME),MYF(0),
+			  column->field_name);
+	  DBUG_RETURN(-1);
+	}
+      }
+      cols2.rewind();
       /* for fulltext keys keyseg length is 1 for blobs (it's ignored in
 	 ft code anyway, and 0 (set to column width later) for char's.
 	 it has to be correct col width for char's, as char data are not
diff --git a/strings/ctype-czech.c b/strings/ctype-czech.c
index 6f9e9f74d35..2177a18504e 100644
--- a/strings/ctype-czech.c
+++ b/strings/ctype-czech.c
@@ -589,12 +589,12 @@ static MY_COLLATION_HANDLER my_collation_latin2_czech_ci_handler =
 
 CHARSET_INFO my_charset_latin2_czech_ci =
 {
-    2,0,0,				/* number */
-    MY_CS_COMPILED|MY_CS_STRNXFRM,	/* state      */
-    "latin2",				/* cs name    */
-    "latin2_czech_cs",			/* name */
-    "",					/* comment    */
-    NULL,				/* tailoring */
+    2,0,0,                                      /* number    */
+    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_CSSORT, /* state     */
+    "latin2",                                   /* cs name   */
+    "latin2_czech_cs",                          /* name      */
+    "",                                         /* comment   */
+    NULL,                                       /* tailoring */
     ctype_czech,
     to_lower_czech,
     to_upper_czech,
diff --git a/strings/ctype-win1250ch.c b/strings/ctype-win1250ch.c
index b4dbda3e8ed..4ada3d47bf5 100644
--- a/strings/ctype-win1250ch.c
+++ b/strings/ctype-win1250ch.c
@@ -624,12 +624,12 @@ static MY_COLLATION_HANDLER my_collation_czech_ci_handler =
 
 CHARSET_INFO my_charset_cp1250_czech_ci =
 {
-  34,0,0,			/* number    */
-  MY_CS_COMPILED|MY_CS_STRNXFRM,		/* state     */
-  "cp1250",			/* cs name    */
-  "cp1250_czech_cs",		/* name      */
-  "",				/* comment   */
-  NULL,				/* tailoring */
+  34,0,0,                                     /* number    */
+  MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_CSSORT, /* state     */
+  "cp1250",                                   /* cs name   */
+  "cp1250_czech_cs",                          /* name      */
+  "",                                         /* comment   */
+  NULL,                                       /* tailoring */
   ctype_win1250ch,
   to_lower_win1250ch,
   to_upper_win1250ch,
diff --git a/strings/uca-dump.c b/strings/uca-dump.c
index 6836c321526..db5cb7e999a 100644
--- a/strings/uca-dump.c
+++ b/strings/uca-dump.c
@@ -23,13 +23,14 @@ struct uca_item_st
 #define MY_UCA_PSHIFT	8
 #endif
 
+static char *pname[]= {"", "2", "3"};
+
 int main(int ac, char **av)
 {
   char str[256];
   char *weights[64];
   struct uca_item_st uca[64*1024];
-  size_t code, page, w;
-  int pagemaxlen[MY_UCA_NPAGES];
+  size_t code, w;
   int pageloaded[MY_UCA_NPAGES];
   
   bzero(uca, sizeof(uca));
@@ -155,14 +156,20 @@ int main(int ac, char **av)
   printf("#define MY_UCA_CMASK  %d\n",MY_UCA_CMASK);
   printf("#define MY_UCA_PSHIFT %d\n",MY_UCA_PSHIFT);
   
-  for (w=0; w<1; w++)
+  for (w=0; w<3; w++)
   {
+    size_t page;
+    int pagemaxlen[MY_UCA_NPAGES];
+
     for (page=0; page < MY_UCA_NPAGES; page++)
     {
       size_t offs;
       size_t maxnum= 0;
       size_t nchars= 0;
       size_t mchars;
+      size_t ndefs= 0;
+      
+      pagemaxlen[page]= 0;
       
       /*
         Skip this page if no weights were loaded
@@ -183,15 +190,36 @@ int main(int ac, char **av)
         code= page*MY_UCA_NCHARS+offs;
         
         /* Calculate only non-zero weights */
-        num=0;
-        for (i=0; i < uca[code].num; i++)
+        for (num=0, i=0; i < uca[code].num; i++)
           if (uca[code].weight[w][i])
             num++;
         
         maxnum= maxnum < num ? num : maxnum;
+        
+        /* Check if default weight */
+        if (w == 1 && num == 1)
+        {
+          /* 0020 0000 ... */
+          if (uca[code].weight[w][0] == 0x0020)
+            ndefs++;
+        }
+        else if (w == 2 && num == 1)
+        {
+          /* 0002 0000 ... */
+          if (uca[code].weight[w][0] == 0x0002)
+            ndefs++;
+        }
       } 
       maxnum++;
       
+      /*
+        If the page have only default weights
+        then no needs to dump it, skip.
+      */
+      if (ndefs == MY_UCA_NCHARS)
+      {
+        continue;
+      }
       switch (maxnum)
       {
         case 0: mchars= 8; break;
@@ -210,8 +238,8 @@ int main(int ac, char **av)
       */
       
       
-      printf("uint16 page%03Xdata[]= { /* %04X (%d weights per char) */\n",
-              page, page*MY_UCA_NCHARS, maxnum);
+      printf("uint16 page%03Xdata%s[]= { /* %04X (%d weights per char) */\n",
+              page, pname[w], page*MY_UCA_NCHARS, maxnum);
       
       for (offs=0; offs < MY_UCA_NCHARS; offs++)
       {
@@ -234,7 +262,17 @@ int main(int ac, char **av)
         
         for (i=0; i < maxnum; i++)
         {
-          printf("0x%04X",(int)weight[i]);
+          /* 
+            Invert weights for secondary level to
+            sort upper case letters before their
+            lower case counter part.
+          */
+          int tmp= weight[i];
+          if (w == 2 && tmp)
+            tmp= (int)(0x100 - weight[i]);
+          
+          
+          printf("0x%04X", tmp);
           if ((offs+1 != MY_UCA_NCHARS) || (i+1!=maxnum))
             printf(",");
           nchars++;
@@ -251,25 +289,28 @@ int main(int ac, char **av)
       }
       printf("};\n\n");
     }
-  }
 
-  printf("uchar ucal[%d]={\n",MY_UCA_NPAGES);
-  for (page=0; page < MY_UCA_NPAGES; page++)
-  {
-    printf("%d%s%s",pagemaxlen[page],page<MY_UCA_NPAGES-1?",":"",(page+1) % 16 ? "":"\n");
-  }
-  printf("};\n");
-  
-  
-  printf("uint16 *ucaw[%d]={\n",MY_UCA_NPAGES);
-  for (page=0; page < MY_UCA_NPAGES; page++)
-  {
-    if (!pageloaded[page])
-      printf("NULL       %s%s",page<MY_UCA_NPAGES-1?",":"", (page+1) % 4 ? "":"\n");
-    else
-      printf("page%03Xdata%s%s",page,page<MY_UCA_NPAGES-1?",":"", (page+1) % 4 ? "":"\n");
+    printf("uchar uca_length%s[%d]={\n", pname[w], MY_UCA_NPAGES);
+    for (page=0; page < MY_UCA_NPAGES; page++)
+    {
+      printf("%d%s%s",pagemaxlen[page],page<MY_UCA_NPAGES-1?",":"",(page+1) % 16 ? "":"\n");
+    }
+    printf("};\n");
+
+
+    printf("uint16 *uca_weight%s[%d]={\n", pname[w], MY_UCA_NPAGES);
+    for (page=0; page < MY_UCA_NPAGES; page++)
+    {
+      const char *comma= page < MY_UCA_NPAGES-1 ? "," : "";
+      const char *nline= (page+1) % 4 ? "" : "\n";
+      if (!pagemaxlen[page])
+        printf("NULL        %s%s", comma , nline);
+      else
+        printf("page%03Xdata%s%s%s", page, pname[w], comma, nline);
+    }
+    printf("};\n");
   }
-  printf("};\n");
+
   
   printf("int main(void){ return 0;};\n");
   return 0;