Merge mskold@bk-internal.mysql.com:/home/bk/mysql-5.0-ndb

into  mysql.com:/home/marty/MySQL/mysql-5.0-ndb


ndb/include/ndbapi/Ndb.hpp:
  Auto merged

7 files changed, 153 insertions, 73 deletions

diff --git a/mysql-test/r/ndb_auto_increment.result b/mysql-test/r/ndb_auto_increment.result
index b7c9fa8e2b5..f8ef5af2770 100644
--- a/mysql-test/r/ndb_auto_increment.result
+++ b/mysql-test/r/ndb_auto_increment.result
@@ -421,10 +421,10 @@ select * from t1 order by a;
 a
 1
 20
-21
 33
 34
 35
+65
 insert into t1 values (100);
 insert into t1 values (NULL);
 insert into t1 values (NULL);
@@ -432,11 +432,11 @@ select * from t1 order by a;
 a
 1
 20
-21
-22
 33
 34
 35
+65
+66
 100
 101
 set auto_increment_offset = @old_auto_increment_offset;
diff --git a/mysql-test/r/ndb_restore.result b/mysql-test/r/ndb_restore.result
index 9faac2df0a4..c48333f6ea8 100644
--- a/mysql-test/r/ndb_restore.result
+++ b/mysql-test/r/ndb_restore.result
@@ -266,21 +266,41 @@ a
 2000
 3000
 10000
-show table status like 't1_c';
-Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
-X	X	X	X	X	X	X	X	X	X	3001	X	X	X	X	X	X	X
-show table status like 't2_c';
-Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
-X	X	X	X	X	X	X	X	X	X	501	X	X	X	X	X	X	X
-show table status like 't4_c';
-Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
-X	X	X	X	X	X	X	X	X	X	290000001	X	X	X	X	X	X	X
-show table status like 't7_c';
-Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
-X	X	X	X	X	X	X	X	X	X	29	X	X	X	X	X	X	X
-show table status like 't10_c';
-Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
-X	X	X	X	X	X	X	X	X	X	10001	X	X	X	X	X	X	X
+select max(capgoaledatta) from t1_c;
+max(capgoaledatta)
+3000
+select auto_increment from information_schema.tables
+where table_name = 't1_c';
+auto_increment
+3001
+select max(capgotod) from t2_c;
+max(capgotod)
+500
+select auto_increment from information_schema.tables
+where table_name = 't2_c';
+auto_increment
+501
+select max(capfa) from t4_c;
+max(capfa)
+290000000
+select auto_increment from information_schema.tables
+where table_name = 't4_c';
+auto_increment
+290000001
+select max(dardtestard) from t7_c;
+max(dardtestard)
+28
+select auto_increment from information_schema.tables
+where table_name = 't7_c';
+auto_increment
+29
+select max(a) from t10_c;
+max(a)
+10000
+select auto_increment from information_schema.tables
+where table_name = 't10_c';
+auto_increment
+10001
 drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9, t10;
 drop table if exists t1_c,t2_c,t3_c,t4_c,t5_c,t6_c,t7_c,t8_c,t9_c, t10_c;
 520093696,<the_backup_id>
diff --git a/mysql-test/t/ndb_restore.test b/mysql-test/t/ndb_restore.test
index 266a0c7fbc1..940b53adbe1 100644
--- a/mysql-test/t/ndb_restore.test
+++ b/mysql-test/t/ndb_restore.test
@@ -231,16 +231,21 @@ select count(*)
 select * from t10_c order by a;
 # Bug #27775 cont'd
 # - auto inc info should be correct
---replace_column 1 X 2 X 3 X 4 X 5 X 6 X 7 X 8 X 9 X 10 X 12 X 13 X 14 X 15 X 16 X 17 X 18 X
-show table status like 't1_c';
---replace_column 1 X 2 X 3 X 4 X 5 X 6 X 7 X 8 X 9 X 10 X 12 X 13 X 14 X 15 X 16 X 17 X 18 X
-show table status like 't2_c';
---replace_column 1 X 2 X 3 X 4 X 5 X 6 X 7 X 8 X 9 X 10 X 12 X 13 X 14 X 15 X 16 X 17 X 18 X
-show table status like 't4_c';
---replace_column 1 X 2 X 3 X 4 X 5 X 6 X 7 X 8 X 9 X 10 X 12 X 13 X 14 X 15 X 16 X 17 X 18 X
-show table status like 't7_c';
---replace_column 1 X 2 X 3 X 4 X 5 X 6 X 7 X 8 X 9 X 10 X 12 X 13 X 14 X 15 X 16 X 17 X 18 X
-show table status like 't10_c';
+select max(capgoaledatta) from t1_c;
+select auto_increment from information_schema.tables
+where table_name = 't1_c';
+select max(capgotod) from t2_c;
+select auto_increment from information_schema.tables
+where table_name = 't2_c';
+select max(capfa) from t4_c;
+select auto_increment from information_schema.tables
+where table_name = 't4_c';
+select max(dardtestard) from t7_c;
+select auto_increment from information_schema.tables
+where table_name = 't7_c';
+select max(a) from t10_c;
+select auto_increment from information_schema.tables
+where table_name = 't10_c';
 
 --disable_warnings
 drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9, t10;
diff --git a/ndb/include/ndbapi/Ndb.hpp b/ndb/include/ndbapi/Ndb.hpp
index 5f0da6ea83d..42f6302861c 100644
--- a/ndb/include/ndbapi/Ndb.hpp
+++ b/ndb/include/ndbapi/Ndb.hpp
@@ -1386,22 +1386,22 @@ public:
    *
    * @param cacheSize number of values to cache in this Ndb object
    *
-   * @return 0 or -1 on error, and tupleId in out parameter
+   * @return 0 or -1 on error, and autoValue in out parameter
    */
   int getAutoIncrementValue(const char* aTableName, 
-                            Uint64 & tupleId, Uint32 cacheSize, 
+                            Uint64 & autoValue, Uint32 cacheSize, 
 			    Uint64 step = 1, Uint64 start = 1);
   int getAutoIncrementValue(const NdbDictionary::Table * aTable, 
-                            Uint64 & tupleId, Uint32 cacheSize, 
+                            Uint64 & autoValue, Uint32 cacheSize, 
 			    Uint64 step = 1, Uint64 start = 1);
   int readAutoIncrementValue(const char* aTableName,
-                             Uint64 & tupleId);
+                             Uint64 & autoValue);
   int readAutoIncrementValue(const NdbDictionary::Table * aTable,
-                             Uint64 & tupleId);
+                             Uint64 & autoValue);
   int setAutoIncrementValue(const char* aTableName,
-                            Uint64 tupleId, bool increase);
+                            Uint64 autoValue, bool modify);
   int setAutoIncrementValue(const NdbDictionary::Table * aTable,
-                            Uint64 tupleId, bool increase);
+                            Uint64 autoValue, bool modify);
 private:
   int getTupleIdFromNdb(Ndb_local_table_info* info,
                         Uint64 & tupleId, Uint32 cacheSize,
@@ -1409,7 +1409,9 @@ private:
   int readTupleIdFromNdb(Ndb_local_table_info* info,
                          Uint64 & tupleId);
   int setTupleIdInNdb(Ndb_local_table_info* info,
-                      Uint64 tupleId, bool increase);
+                      Uint64 tupleId, bool modify);
+  int checkTupleIdInNdb(Ndb_local_table_info* info,
+                         Uint64 tupleId);
   int opTupleIdOnNdb(Ndb_local_table_info* info, Uint64 & opValue, Uint32 op);
 public:
 
diff --git a/ndb/src/ndbapi/DictCache.cpp b/ndb/src/ndbapi/DictCache.cpp
index 6a815067233..9234b6b5219 100644
--- a/ndb/src/ndbapi/DictCache.cpp
+++ b/ndb/src/ndbapi/DictCache.cpp
@@ -46,6 +46,7 @@ Ndb_local_table_info::Ndb_local_table_info(NdbTableImpl *table_impl)
   m_table_impl= table_impl;
   m_first_tuple_id = ~(Uint64)0;
   m_last_tuple_id = ~(Uint64)0;
+  m_highest_seen = 0;
 }
 
 Ndb_local_table_info::~Ndb_local_table_info()
diff --git a/ndb/src/ndbapi/DictCache.hpp b/ndb/src/ndbapi/DictCache.hpp
index db90a07d487..6ada55cc05e 100644
--- a/ndb/src/ndbapi/DictCache.hpp
+++ b/ndb/src/ndbapi/DictCache.hpp
@@ -36,6 +36,7 @@ public:
   // range of cached tuple ids per thread
   Uint64 m_first_tuple_id;
   Uint64 m_last_tuple_id;
+  Uint64 m_highest_seen;
 
   Uint64 m_local_data[1]; // Must be last member. Used to access extra space.
 private:
diff --git a/ndb/src/ndbapi/Ndb.cpp b/ndb/src/ndbapi/Ndb.cpp
index dcdee3d4ea1..f55986d2e6b 100644
--- a/ndb/src/ndbapi/Ndb.cpp
+++ b/ndb/src/ndbapi/Ndb.cpp
@@ -767,8 +767,8 @@ Ndb::getNodeId()
 }
 
 /****************************************************************************
-Uint64 getAutoIncrementValue( const char* aTableName,
-                              Uint64 & tupleId, 
+int    getAutoIncrementValue( const char* aTableName,
+                              Uint64 & autoValue, 
                               Uint32 cacheSize, 
                               Uint64 step,
                               Uint64 start);
@@ -779,6 +779,7 @@ Parameters:     aTableName (IN) : The table name.
                 step       (IN) : Specifies the step between the 
                                   autoincrement values.
                 start      (IN) : Start value for first value
+Returns:        0 if succesful, -1 if error encountered
 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
@@ -892,9 +893,18 @@ Ndb::getTupleIdFromNdb(Ndb_local_table_info* info,
   DBUG_RETURN(0);
 }
 
+/****************************************************************************
+int readAutoIncrementValue( const char* aTableName,
+                            Uint64 & autoValue);
+
+Parameters:     aTableName (IN) : The table name.
+                autoValue  (OUT) : The current autoincrement value
+Returns:        0 if succesful, -1 if error encountered
+Remark:		Returns the current autoincrement value to the application.
+****************************************************************************/
 int
 Ndb::readAutoIncrementValue(const char* aTableName,
-                            Uint64 & tupleId)
+                            Uint64 & autoValue)
 {
   DBUG_ENTER("Ndb::readAutoIncrementValue");
   BaseString internal_tabname(internalize_table_name(aTableName));
@@ -905,15 +915,15 @@ Ndb::readAutoIncrementValue(const char* aTableName,
     theError.code = theDictionary->getNdbError().code;
     DBUG_RETURN(-1);
   }
-  if (readTupleIdFromNdb(info, tupleId) == -1)
+  if (readTupleIdFromNdb(info, autoValue) == -1)
     DBUG_RETURN(-1);
-  DBUG_PRINT("info", ("value %lu", (ulong)tupleId));
+  DBUG_PRINT("info", ("value %lu", (ulong)autoValue));
   DBUG_RETURN(0);
 }
 
 int
 Ndb::readAutoIncrementValue(const NdbDictionary::Table * aTable,
-                            Uint64 & tupleId)
+                            Uint64 & autoValue)
 {
   DBUG_ENTER("Ndb::readAutoIncrementValue");
   assert(aTable != 0);
@@ -926,9 +936,9 @@ Ndb::readAutoIncrementValue(const NdbDictionary::Table * aTable,
     theError.code = theDictionary->getNdbError().code;
     DBUG_RETURN(-1);
   }
-  if (readTupleIdFromNdb(info, tupleId) == -1)
+  if (readTupleIdFromNdb(info, autoValue) == -1)
     DBUG_RETURN(-1);
-  DBUG_PRINT("info", ("value %lu", (ulong)tupleId));
+  DBUG_PRINT("info", ("value %lu", (ulong)autoValue));
   DBUG_RETURN(0);
 }
 
@@ -956,9 +966,20 @@ Ndb::readTupleIdFromNdb(Ndb_local_table_info* info,
   DBUG_RETURN(0);
 }
 
+/****************************************************************************
+int setAutoIncrementValue( const char* aTableName,
+                           Uint64 autoValue,
+                           bool modify);
+
+Parameters:     aTableName (IN) : The table name.
+                autoValue  (IN) : The new autoincrement value
+                modify     (IN) : Modify existing value (not initialization)
+Returns:        0 if succesful, -1 if error encountered
+Remark:		Sets a new autoincrement value for the application.
+****************************************************************************/
 int
 Ndb::setAutoIncrementValue(const char* aTableName,
-                           Uint64 tupleId, bool increase)
+                           Uint64 autoValue, bool modify)
 {
   DBUG_ENTER("Ndb::setAutoIncrementValue");
   BaseString internal_tabname(internalize_table_name(aTableName));
@@ -969,14 +990,14 @@ Ndb::setAutoIncrementValue(const char* aTableName,
     theError.code = theDictionary->getNdbError().code;
     DBUG_RETURN(-1);
   }
-  if (setTupleIdInNdb(info, tupleId, increase) == -1)
+  if (setTupleIdInNdb(info, autoValue, modify) == -1)
     DBUG_RETURN(-1);
   DBUG_RETURN(0);
 }
 
 int
 Ndb::setAutoIncrementValue(const NdbDictionary::Table * aTable,
-                           Uint64 tupleId, bool increase)
+                           Uint64 autoValue, bool modify)
 {
   DBUG_ENTER("Ndb::setAutoIncrementValue");
   assert(aTable != 0);
@@ -989,38 +1010,42 @@ Ndb::setAutoIncrementValue(const NdbDictionary::Table * aTable,
     theError.code = theDictionary->getNdbError().code;
     DBUG_RETURN(-1);
   }
-  if (setTupleIdInNdb(info, tupleId, increase) == -1)
+  if (setTupleIdInNdb(info, autoValue, modify) == -1)
     DBUG_RETURN(-1);
   DBUG_RETURN(0);
 }
 
 int
 Ndb::setTupleIdInNdb(Ndb_local_table_info* info,
-                     Uint64 tupleId, bool increase)
+                     Uint64 tupleId, bool modify)
 {
   DBUG_ENTER("Ndb::setTupleIdInNdb");
-  if (increase)
+  if (modify)
   {
-    if (info->m_first_tuple_id != info->m_last_tuple_id)
+    if (checkTupleIdInNdb(info, tupleId))
     {
-      assert(info->m_first_tuple_id < info->m_last_tuple_id);
-      if (tupleId <= info->m_first_tuple_id + 1)
-	DBUG_RETURN(0);
-      if (tupleId <= info->m_last_tuple_id)
+      if (info->m_first_tuple_id != info->m_last_tuple_id)
       {
-	info->m_first_tuple_id = tupleId - 1;
-        DBUG_PRINT("info", 
-                   ("Setting next auto increment cached value to %lu",
-                    (ulong)tupleId));  
-	DBUG_RETURN(0);
+        assert(info->m_first_tuple_id < info->m_last_tuple_id);
+        if (tupleId <= info->m_first_tuple_id + 1)
+          DBUG_RETURN(0);
+        if (tupleId <= info->m_last_tuple_id)
+        {
+	  info->m_first_tuple_id = tupleId - 1;
+          DBUG_PRINT("info",
+                     ("Setting next auto increment cached value to %lu",
+                      (ulong)tupleId));
+	  DBUG_RETURN(0);
+        }
       }
+      /*
+       * if tupleId <= NEXTID, do nothing.  otherwise update NEXTID to
+       * tupleId and set cached range to first = last = tupleId - 1.
+       */
+      Uint64 opValue = tupleId;
+      if (opTupleIdOnNdb(info, opValue, 2) == -1)
+        DBUG_RETURN(-1);
     }
-    /*
-     * if tupleId <= NEXTID, do nothing.  otherwise update NEXTID to
-     * tupleId and set cached range to first = last = tupleId - 1.
-     */
-    if (opTupleIdOnNdb(info, tupleId, 2) == -1)
-      DBUG_RETURN(-1);
   }
   else
   {
@@ -1034,6 +1059,32 @@ Ndb::setTupleIdInNdb(Ndb_local_table_info* info,
 }
 
 int
+Ndb::checkTupleIdInNdb(Ndb_local_table_info* info, Uint64 tupleId)
+{
+  DBUG_ENTER("Ndb::checkTupleIdIndNdb");
+  if ((info->m_first_tuple_id != ~(Uint64)0) &&
+      (info->m_first_tuple_id > tupleId))
+  {
+   /*
+    * If we have ever cached a value in this object and this cached
+    * value is larger than the value we're trying to set then we
+    * need not check with the real value in the SYSTAB_0 table.
+    */
+    DBUG_RETURN(0);
+  }
+  if (info->m_highest_seen > tupleId)
+  {
+    /*
+     * Although we've never cached any higher value we have read
+     * a higher value and again it isn't necessary to change the
+     * auto increment value.
+     */
+    DBUG_RETURN(0);
+  }
+  DBUG_RETURN(1);
+}
+
+int
 Ndb::opTupleIdOnNdb(Ndb_local_table_info* info, Uint64 & opValue, Uint32 op)
 {
   DBUG_ENTER("Ndb::opTupleIdOnNdb");
@@ -1094,6 +1145,7 @@ Ndb::opTupleIdOnNdb(Ndb_local_table_info* info, Uint64 & opValue, Uint32 op)
 
       info->m_first_tuple_id = ~(Uint64)0;
       info->m_last_tuple_id  = ~(Uint64)0;
+      info->m_highest_seen = 0;
       break;
     case 2:
       tOperation->interpretedUpdateTuple();
@@ -1103,19 +1155,18 @@ Ndb::opTupleIdOnNdb(Ndb_local_table_info* info, Uint64 & opValue, Uint32 op)
       // compare NEXTID >= opValue
       tOperation->branch_le(2, 1, 0);
       tOperation->write_attr("NEXTID", 1);
-      tOperation->interpret_exit_ok();
       tOperation->def_label(0);
-      tOperation->interpret_exit_nok(9999);
-      
+      tOperation->interpret_exit_ok();
+      tRecAttrResult = tOperation->getValue("NEXTID");
       if (tConnection->execute( Commit ) == -1)
       {
-        if (tConnection->theError.code != 9999)
-          goto error_handler;
+        goto error_handler;
       }
       else
       {
+	info->m_highest_seen = tRecAttrResult->u_64_value();
 	DBUG_PRINT("info", 
-		   ("Setting next auto increment value (db) to %lu",
+		   ("Setting auto increment value (db) to %lu",
 		    (ulong)opValue));  
         info->m_first_tuple_id = info->m_last_tuple_id = opValue - 1;
       }
@@ -1126,7 +1177,7 @@ Ndb::opTupleIdOnNdb(Ndb_local_table_info* info, Uint64 & opValue, Uint32 op)
       tRecAttrResult = tOperation->getValue("NEXTID");
       if (tConnection->execute( Commit ) == -1 )
         goto error_handler;
-      opValue = tRecAttrResult->u_64_value(); // out
+      info->m_highest_seen = opValue = tRecAttrResult->u_64_value(); // out
       break;
     default:
       goto error_handler;