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

into  mysql.com:/windows/Linux_space/MySQL/mysql-5.1-new-ndb

mysql-test/r/ndb_insert.result

@@ -657,3 +657,172 @@ a	b
 2	NULL
 3	NULL
 drop table t1;
+CREATE TABLE t1 (
+pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+b INT NOT NULL,
+c INT NOT NULL UNIQUE
+) ENGINE=NDBCLUSTER;
+CREATE TABLE t2 (
+pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+b INT NOT NULL,
+c INT NOT NULL UNIQUE
+) ENGINE=MYISAM;
+SET @@session.auto_increment_increment=10;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+pk	b	c
+1	1	0
+11	2	1
+21	3	2
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+COUNT(t1.pk)
+3
+TRUNCATE t1;
+TRUNCATE t2;
+SET @@session.auto_increment_offset=5;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t1 (pk,b,c) VALUES (27,4,3),(NULL,5,4),(99,6,5),(NULL,7,6);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (pk,b,c) VALUES (27,4,3),(NULL,5,4),(99,6,5),(NULL,7,6);
+SELECT * FROM t1 ORDER BY pk;
+pk	b	c
+5	1	0
+15	2	1
+25	3	2
+27	4	3
+35	5	4
+99	6	5
+105	7	6
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+COUNT(t1.pk)
+7
+TRUNCATE t1;
+TRUNCATE t2;
+SET @@session.auto_increment_increment=2;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+pk	b	c
+1	1	0
+3	2	1
+5	3	2
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+COUNT(t1.pk)
+3
+DROP TABLE t1, t2;
+CREATE TABLE t1 (
+pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+b INT NOT NULL,
+c INT NOT NULL UNIQUE
+) ENGINE=NDBCLUSTER AUTO_INCREMENT = 7;
+CREATE TABLE t2 (
+pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+b INT NOT NULL,
+c INT NOT NULL UNIQUE
+) ENGINE=MYISAM AUTO_INCREMENT = 7;
+SET @@session.auto_increment_offset=1;
+SET @@session.auto_increment_increment=1;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+pk	b	c
+7	1	0
+8	2	1
+9	3	2
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+COUNT(t1.pk)
+3
+DROP TABLE t1, t2;
+CREATE TABLE t1 (
+pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+b INT NOT NULL,
+c INT NOT NULL UNIQUE
+) ENGINE=NDBCLUSTER AUTO_INCREMENT = 3;
+CREATE TABLE t2 (
+pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+b INT NOT NULL,
+c INT NOT NULL UNIQUE
+) ENGINE=MYISAM AUTO_INCREMENT = 3;
+SET @@session.auto_increment_offset=5;
+SET @@session.auto_increment_increment=10;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+pk	b	c
+5	1	0
+15	2	1
+25	3	2
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+COUNT(t1.pk)
+3
+DROP TABLE t1, t2;
+CREATE TABLE t1 (
+pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+b INT NOT NULL,
+c INT NOT NULL UNIQUE
+) ENGINE=NDBCLUSTER AUTO_INCREMENT = 7;
+CREATE TABLE t2 (
+pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+b INT NOT NULL,
+c INT NOT NULL UNIQUE
+) ENGINE=MYISAM AUTO_INCREMENT = 7;
+SET @@session.auto_increment_offset=5;
+SET @@session.auto_increment_increment=10;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+pk	b	c
+15	1	0
+25	2	1
+35	3	2
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+COUNT(t1.pk)
+3
+DROP TABLE t1, t2;
+CREATE TABLE t1 (
+pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+b INT NOT NULL,
+c INT NOT NULL UNIQUE
+) ENGINE=NDBCLUSTER AUTO_INCREMENT = 5;
+CREATE TABLE t2 (
+pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+b INT NOT NULL,
+c INT NOT NULL UNIQUE
+) ENGINE=MYISAM AUTO_INCREMENT = 5;
+SET @@session.auto_increment_offset=5;
+SET @@session.auto_increment_increment=10;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+pk	b	c
+5	1	0
+15	2	1
+25	3	2
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+COUNT(t1.pk)
+3
+DROP TABLE t1, t2;
+CREATE TABLE t1 (
+pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+b INT NOT NULL,
+c INT NOT NULL UNIQUE
+) ENGINE=NDBCLUSTER AUTO_INCREMENT = 100;
+CREATE TABLE t2 (
+pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+b INT NOT NULL,
+c INT NOT NULL UNIQUE
+) ENGINE=MYISAM AUTO_INCREMENT = 100;
+SET @@session.auto_increment_offset=5;
+SET @@session.auto_increment_increment=10;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+pk	b	c
+105	1	0
+115	2	1
+125	3	2
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+COUNT(t1.pk)
+3
+DROP TABLE t1, t2;

mysql-test/t/ndb_insert.test

@@ -639,4 +639,141 @@ insert ignore into t1 values (1,0), (2,0), (2,null), (3,null);
 select * from t1 order by a;
 drop table t1;
 
+# Bug#26342 auto_increment_increment AND auto_increment_offset REALLY REALLY anger NDB cluster
+
+CREATE TABLE t1 (
+  pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  b INT NOT NULL,
+  c INT NOT NULL UNIQUE
+) ENGINE=NDBCLUSTER;
+
+CREATE TABLE t2 (
+  pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  b INT NOT NULL,
+  c INT NOT NULL UNIQUE
+) ENGINE=MYISAM;
+
+SET @@session.auto_increment_increment=10;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+TRUNCATE t1; 
+TRUNCATE t2;
+SET @@session.auto_increment_offset=5;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t1 (pk,b,c) VALUES (27,4,3),(NULL,5,4),(99,6,5),(NULL,7,6);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (pk,b,c) VALUES (27,4,3),(NULL,5,4),(99,6,5),(NULL,7,6);
+SELECT * FROM t1 ORDER BY pk;
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+TRUNCATE t1; 
+TRUNCATE t2;
+SET @@session.auto_increment_increment=2;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+DROP TABLE t1, t2;
+
+CREATE TABLE t1 (
+  pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  b INT NOT NULL,
+  c INT NOT NULL UNIQUE
+) ENGINE=NDBCLUSTER AUTO_INCREMENT = 7;
+
+CREATE TABLE t2 (
+  pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  b INT NOT NULL,
+  c INT NOT NULL UNIQUE
+) ENGINE=MYISAM AUTO_INCREMENT = 7;
+
+SET @@session.auto_increment_offset=1;
+SET @@session.auto_increment_increment=1;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+DROP TABLE t1, t2;
+
+CREATE TABLE t1 (
+  pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  b INT NOT NULL,
+  c INT NOT NULL UNIQUE
+) ENGINE=NDBCLUSTER AUTO_INCREMENT = 3;
+
+CREATE TABLE t2 (
+  pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  b INT NOT NULL,
+  c INT NOT NULL UNIQUE
+) ENGINE=MYISAM AUTO_INCREMENT = 3;
+
+SET @@session.auto_increment_offset=5;
+SET @@session.auto_increment_increment=10;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+DROP TABLE t1, t2;
+
+CREATE TABLE t1 (
+  pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  b INT NOT NULL,
+  c INT NOT NULL UNIQUE
+) ENGINE=NDBCLUSTER AUTO_INCREMENT = 7;
+
+CREATE TABLE t2 (
+  pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  b INT NOT NULL,
+  c INT NOT NULL UNIQUE
+) ENGINE=MYISAM AUTO_INCREMENT = 7;
+
+SET @@session.auto_increment_offset=5;
+SET @@session.auto_increment_increment=10;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+DROP TABLE t1, t2;
+
+CREATE TABLE t1 (
+  pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  b INT NOT NULL,
+  c INT NOT NULL UNIQUE
+) ENGINE=NDBCLUSTER AUTO_INCREMENT = 5;
+
+CREATE TABLE t2 (
+  pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  b INT NOT NULL,
+  c INT NOT NULL UNIQUE
+) ENGINE=MYISAM AUTO_INCREMENT = 5;
+
+SET @@session.auto_increment_offset=5;
+SET @@session.auto_increment_increment=10;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+DROP TABLE t1, t2;
+
+CREATE TABLE t1 (
+  pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  b INT NOT NULL,
+  c INT NOT NULL UNIQUE
+) ENGINE=NDBCLUSTER AUTO_INCREMENT = 100;
+
+CREATE TABLE t2 (
+  pk INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  b INT NOT NULL,
+  c INT NOT NULL UNIQUE
+) ENGINE=MYISAM AUTO_INCREMENT = 100;
+
+SET @@session.auto_increment_offset=5;
+SET @@session.auto_increment_increment=10;
+INSERT INTO t1 (b,c) VALUES (1,0),(2,1),(3,2);
+INSERT INTO t2 (b,c) VALUES (1,0),(2,1),(3,2);
+SELECT * FROM t1 ORDER BY pk;
+SELECT COUNT(t1.pk) FROM t1, t2 WHERE t1.pk = t2.pk AND t1.b = t2.b AND t1.c = t1.c;
+DROP TABLE t1, t2;
+
 # End of 4.1 tests

sql/ha_ndbcluster.cc

@@ -6059,7 +6059,7 @@ void ha_ndbcluster::get_auto_increment(ulonglong offset, ulonglong increment,
     Ndb_tuple_id_range_guard g(m_share);
     if (m_skip_auto_increment &&
         ndb->readAutoIncrementValue(m_table, g.range, auto_value) ||
-        ndb->getAutoIncrementValue(m_table, g.range, auto_value, cache_size))
+        ndb->getAutoIncrementValue(m_table, g.range, auto_value, cache_size, increment, offset))
     {
       if (--retries &&
           ndb->getNdbError().status == NdbError::TemporaryError);

storage/ndb/include/ndbapi/Ndb.hpp

@@ -1488,12 +1488,15 @@ public:
   int initAutoIncrement();
 
   int getAutoIncrementValue(const char* aTableName, 
-                            Uint64 & tupleId, Uint32 cacheSize);
+                            Uint64 & tupleId, Uint32 cacheSize,
+                            Uint64 step = 1, Uint64 start = 1);
   int getAutoIncrementValue(const NdbDictionary::Table * aTable, 
-                            Uint64 & tupleId, Uint32 cacheSize);
+                            Uint64 & tupleId, Uint32 cacheSize,
+                            Uint64 step = 1, Uint64 start = 1);
   int getAutoIncrementValue(const NdbDictionary::Table * aTable, 
                             TupleIdRange & range, Uint64 & tupleId,
-                            Uint32 cacheSize);
+                            Uint32 cacheSize,
+                            Uint64 step = 1, Uint64 start = 1);
   int readAutoIncrementValue(const char* aTableName,
                              Uint64 & tupleId);
   int readAutoIncrementValue(const NdbDictionary::Table * aTable,
@@ -1510,7 +1513,7 @@ public:
 private:
   int getTupleIdFromNdb(const NdbTableImpl* table,
                         TupleIdRange & range, Uint64 & tupleId,
-                        Uint32 cacheSize);
+                        Uint32 cacheSize, Uint64 step = 1, Uint64 start = 1);
   int readTupleIdFromNdb(const NdbTableImpl* table,
                          TupleIdRange & range, Uint64 & tupleId);
   int setTupleIdInNdb(const NdbTableImpl* table,

storage/ndb/src/ndbapi/Ndb.cpp

@@ -754,17 +754,27 @@ Ndb::getNodeId()
 }
 
 /****************************************************************************
-Uint64 getTupleIdFromNdb( Uint32 aTableId, Uint32 cacheSize );
+Uint64 getAutoIncrementValue( const char* aTableName,
+                              Uint64 & autoValue, 
+                              Uint32 cacheSize, 
+                              Uint64 step,
+                              Uint64 start);
 
-Parameters:     aTableId : The TableId.
+Parameters:     aTableName (IN) : The table name.
-                cacheSize: Prefetch this many values
+                autoValue (OUT) : Returns new autoincrement value
-Remark:		Returns a new TupleId to the application.
+                cacheSize  (IN) : Prefetch this many values
-                The TupleId comes from SYSTAB_0 where SYSKEY_0 = TableId.
+                step       (IN) : Specifies the step between the 
-                It is initialized to (TableId << 48) + 1 in NdbcntrMain.cpp.
+                                  autoincrement values.
+                start      (IN) : Start value for first value
+Remark:		Returns a new autoincrement value to the application.
+                The autoincrement values can be increased by steps
+                (default 1) and a number of values can be prefetched
+                by specifying cacheSize (default 10).
 ****************************************************************************/
 int
 Ndb::getAutoIncrementValue(const char* aTableName,
-                           Uint64 & tupleId, Uint32 cacheSize)
+                           Uint64 & autoValue, Uint32 cacheSize,
+                           Uint64 step, Uint64 start)
 {
   DBUG_ENTER("Ndb::getAutoIncrementValue");
   ASSERT_NOT_MYSQLD;
@@ -778,15 +788,16 @@ Ndb::getAutoIncrementValue(const char* aTableName,
   }
   const NdbTableImpl* table = info->m_table_impl;
   TupleIdRange & range = info->m_tuple_id_range;
-  if (getTupleIdFromNdb(table, range, tupleId, cacheSize) == -1)
+  if (getTupleIdFromNdb(table, range, autoValue, cacheSize, step, start) == -1)
     DBUG_RETURN(-1);
-  DBUG_PRINT("info", ("value %lu", (ulong) tupleId));
+  DBUG_PRINT("info", ("value %lu", (ulong) autoValue));
   DBUG_RETURN(0);
 }
 
 int
 Ndb::getAutoIncrementValue(const NdbDictionary::Table * aTable,
-                           Uint64 & tupleId, Uint32 cacheSize)
+                           Uint64 & autoValue, Uint32 cacheSize,
+                           Uint64 step, Uint64 start)
 {
   DBUG_ENTER("Ndb::getAutoIncrementValue");
   ASSERT_NOT_MYSQLD;
@@ -801,51 +812,86 @@ Ndb::getAutoIncrementValue(const NdbDictionary::Table * aTable,
     DBUG_RETURN(-1);
   }
   TupleIdRange & range = info->m_tuple_id_range;
-  if (getTupleIdFromNdb(table, range, tupleId, cacheSize) == -1)
+  if (getTupleIdFromNdb(table, range, autoValue, cacheSize, step, start) == -1)
     DBUG_RETURN(-1);
-  DBUG_PRINT("info", ("value %lu", (ulong)tupleId));
+  DBUG_PRINT("info", ("value %lu", (ulong)autoValue));
   DBUG_RETURN(0);
 }
 
 int
 Ndb::getAutoIncrementValue(const NdbDictionary::Table * aTable,
-                           TupleIdRange & range, Uint64 & tupleId,
+                           TupleIdRange & range, Uint64 & autoValue,
-                           Uint32 cacheSize)
+                           Uint32 cacheSize, Uint64 step, Uint64 start)
 {
   DBUG_ENTER("Ndb::getAutoIncrementValue");
   assert(aTable != 0);
   const NdbTableImpl* table = & NdbTableImpl::getImpl(*aTable);
 
-  if (getTupleIdFromNdb(table, range, tupleId, cacheSize) == -1)
+  if (getTupleIdFromNdb(table, range, autoValue, cacheSize, step, start) == -1)
     DBUG_RETURN(-1);
-  DBUG_PRINT("info", ("value %lu", (ulong)tupleId));
+  DBUG_PRINT("info", ("value %lu", (ulong)autoValue));
   DBUG_RETURN(0);
 }
 
 int
 Ndb::getTupleIdFromNdb(const NdbTableImpl* table,
-                       TupleIdRange & range, Uint64 & tupleId, Uint32 cacheSize)
+                       TupleIdRange & range, Uint64 & tupleId, 
+                       Uint32 cacheSize, Uint64 step, Uint64 start)
 {
+/*
+  Returns a new TupleId to the application.
+  The TupleId comes from SYSTAB_0 where SYSKEY_0 = TableId.
+  It is initialized to (TableId << 48) + 1 in NdbcntrMain.cpp.
+  In most cases step= start= 1, in which case we get:
+  1,2,3,4,5,...
+  If step=10 and start=5 and first number is 1, we get:
+  5,15,25,35,...  
+*/
   DBUG_ENTER("Ndb::getTupleIdFromNdb");
-  if (range.m_first_tuple_id != range.m_last_tuple_id)
+  /*
+   Check if the next value can be taken from the pre-fetched
+   sequence.
+  */
+  if (range.m_first_tuple_id != range.m_last_tuple_id &&
+      range.m_first_tuple_id + step <= range.m_last_tuple_id)
   {
     assert(range.m_first_tuple_id < range.m_last_tuple_id);
-    tupleId = ++range.m_first_tuple_id;
+    range.m_first_tuple_id += step; 
-    DBUG_PRINT("info", ("next cached value %lu", (ulong)tupleId));
+    tupleId = range.m_first_tuple_id;
+    DBUG_PRINT("info", ("Next cached value %lu", (ulong) tupleId));
   }
   else
   {
+    /*
+      If start value is greater than step it is ignored
+     */
+    Uint64 offset = (start > step) ? 1 : start;
+
+    /*
+      Pre-fetch a number of values depending on cacheSize
+     */
     if (cacheSize == 0)
       cacheSize = 1;
+
     DBUG_PRINT("info", ("reading %u values from database", (uint)cacheSize));
     /*
      * reserve next cacheSize entries in db.  adds cacheSize to NEXTID
-     * and returns first tupleId in the new range.
+     * and returns first tupleId in the new range. If tupleId's are
+     * incremented in steps then multiply the cacheSize with step size.
      */
-    Uint64 opValue = cacheSize;
+    Uint64 opValue = cacheSize * step;
+
     if (opTupleIdOnNdb(table, range, opValue, 0) == -1)
       DBUG_RETURN(-1);
-    tupleId = opValue;
+    DBUG_PRINT("info", ("Next value fetched from database %lu", (ulong) opValue));
+    DBUG_PRINT("info", ("Increasing %lu by offset %lu, increment  is %lu", (ulong) (ulong) opValue, (ulong) offset, (ulong) step));
+    Uint64 current, next;
+    next = ((Uint64) (opValue + step - offset)) / step;
+    next = next * step + offset;
+    current = (next < step) ? next : next - step;
+    tupleId = (opValue <= current) ? current : next;
+    DBUG_PRINT("info", ("Returning %lu", (ulong) tupleId));
+    range.m_first_tuple_id = tupleId;
   }
   DBUG_RETURN(0);
 }