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

into  dator5.(none):/home/pappa/bug17138


sql/item_sum.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_update.cc:
  Auto merged

mysql-test/r/partition.result

@@ -1057,4 +1057,29 @@ alter table t1 add partition (partition p2 values in (3));
 alter table t1 drop partition p2;
 use test;
 drop database db99;
+drop procedure if exists mysqltest_1;
+create table t1 (a int)
+partition by list (a)
+(partition p0 values in (0));
+insert into t1 values (0);
+create procedure mysqltest_1 ()
+begin
+begin
+declare continue handler for sqlexception begin end;
+update ignore t1 set a = 1 where a = 0;
+end;
+prepare stmt1 from 'alter table t1';
+execute stmt1;
+end//
+call mysqltest_1()//
+drop table t1;
+drop procedure mysqltest_1;
+create table t1 (a int, index(a))
+partition by hash(a);
+insert into t1 values (1),(2);
+select * from t1 ORDER BY a DESC;
+a
+2
+1
+drop table t1;
 End of 5.1 tests

mysql-test/t/partition.test

@@ -1223,4 +1223,42 @@ alter table t1 drop partition p2;
 use test;
 drop database db99;
 
+#
+#BUG 17138 Problem with stored procedure and analyze partition
+#
+--disable_warnings
+drop procedure if exists mysqltest_1;
+--enable_warnings
+
+create table t1 (a int)
+partition by list (a)
+(partition p0 values in (0));
+
+insert into t1 values (0);
+delimiter //;
+
+create procedure mysqltest_1 ()
+begin
+  begin
+    declare continue handler for sqlexception begin end;
+    update ignore t1 set a = 1 where a = 0;
+  end;
+  prepare stmt1 from 'alter table t1';
+  execute stmt1;
+end//
+
+call mysqltest_1()//
+delimiter ;//
+drop table t1;
+drop procedure mysqltest_1;
+
+#
+# Bug 20583 Partitions: Crash using index_last
+#
+create table t1 (a int, index(a))
+partition by hash(a);
+insert into t1 values (1),(2);
+select * from t1 ORDER BY a DESC;
+drop table t1;
+
 --echo End of 5.1 tests

sql/ha_ndbcluster.h

@@ -655,6 +655,13 @@ class ha_ndbcluster: public handler
   int get_default_no_partitions(HA_CREATE_INFO *info);
   bool get_no_parts(const char *name, uint *no_parts);
   void set_auto_partitions(partition_info *part_info);
+  virtual bool is_fatal_error(int error, uint flags)
+  {
+    if (!handler::is_fatal_error(error, flags) ||
+        error == HA_ERR_NO_PARTITION_FOUND)
+      return FALSE;
+    return TRUE;
+  }
 
   THR_LOCK_DATA **store_lock(THD *thd,
                              THR_LOCK_DATA **to,

sql/ha_partition.cc

@@ -3400,7 +3400,8 @@ int ha_partition::common_first_last(byte *buf)
 
   if ((error= partition_scan_set_up(buf, FALSE)))
     return error;
-  if (!m_ordered_scan_ongoing)
+  if (!m_ordered_scan_ongoing &&
+      m_index_scan_type != partition_index_last)
     return handle_unordered_scan_next_partition(buf);
   return handle_ordered_index_scan(buf);
 }

sql/ha_partition.h

@@ -302,6 +302,13 @@ class ha_partition :public handler
   virtual void start_bulk_insert(ha_rows rows);
   virtual int end_bulk_insert();
 
+  virtual bool is_fatal_error(int error, uint flags)
+  {
+    if (!handler::is_fatal_error(error, flags) ||
+        error == HA_ERR_NO_PARTITION_FOUND)
+      return FALSE;
+    return TRUE;
+  }
   /*
     -------------------------------------------------------------------------
     MODULE full table scan

sql/handler.h

@@ -218,11 +218,6 @@
 #define HA_BLOCK_LOCK		256	/* unlock when reading some records */
 #define HA_OPEN_TEMPORARY	512
 
-	/* Errors on write which is recoverable  (Key exist) */
-#define HA_WRITE_SKIP 121		/* Duplicate key on write */
-#define HA_READ_CHECK 123		/* Update with is recoverable */
-#define HA_CANT_DO_THAT 131		/* Databasehandler can't do it */
-
 	/* Some key definitions */
 #define HA_KEY_NULL_LENGTH	1
 #define HA_KEY_BLOB_LENGTH	2
@@ -242,6 +237,11 @@
 /* Options of START TRANSACTION statement (and later of SET TRANSACTION stmt) */
 #define MYSQL_START_TRANS_OPT_WITH_CONS_SNAPSHOT 1
 
+/* Flags for method is_fatal_error */
+#define HA_CHECK_DUP_KEY 1
+#define HA_CHECK_DUP_UNIQUE 2
+#define HA_CHECK_DUP (HA_CHECK_DUP_KEY + HA_CHECK_DUP_UNIQUE)
+
 enum legacy_db_type
 {
   DB_TYPE_UNKNOWN=0,DB_TYPE_DIAB_ISAM=1,
@@ -972,7 +972,27 @@ class handler :public Sql_alloc
   bool has_transactions()
   { return (ha_table_flags() & HA_NO_TRANSACTIONS) == 0; }
   virtual uint extra_rec_buf_length() const { return 0; }
-  
+
+  /*
+    This method is used to analyse the error to see whether the error
+    is ignorable or not, certain handlers can have more error that are
+    ignorable than others. E.g. the partition handler can get inserts
+    into a range where there is no partition and this is an ignorable
+    error.
+    HA_ERR_FOUND_DUP_UNIQUE is a special case in MyISAM that means the
+    same thing as HA_ERR_FOUND_DUP_KEY but can in some cases lead to
+    a slightly different error message.
+  */
+  virtual bool is_fatal_error(int error, uint flags)
+  {
+    if (!error ||
+        ((flags & HA_CHECK_DUP_KEY) &&
+         (error == HA_ERR_FOUND_DUPP_KEY ||
+          error == HA_ERR_FOUND_DUPP_UNIQUE)))
+      return FALSE;
+    return TRUE;
+  }
+
   /*
     Number of rows in table. It will only be called if
     (table_flags() & (HA_HAS_RECORDS | HA_STATS_RECORDS_IS_EXACT)) != 0
@@ -1024,7 +1044,7 @@ class handler :public Sql_alloc
     DBUG_RETURN(rnd_end());
   }
   int ha_reset();
-    
+
   /* this is necessary in many places, e.g. in HANDLER command */
   int ha_index_or_rnd_end()
   {

sql/item_sum.cc

@@ -2662,8 +2662,7 @@ bool Item_sum_count_distinct::add()
     return tree->unique_add(table->record[0] + table->s->null_bytes);
   }
   if ((error= table->file->ha_write_row(table->record[0])) &&
-      error != HA_ERR_FOUND_DUPP_KEY &&
-      error != HA_ERR_FOUND_DUPP_UNIQUE)
+      table->file->is_fatal_error(error, HA_CHECK_DUP))
     return TRUE;
   return FALSE;
 }

sql/sql_acl.cc

@@ -2049,8 +2049,7 @@ static int replace_user_table(THD *thd, TABLE *table, const LEX_USER &combo,
   }
   else if ((error=table->file->ha_write_row(table->record[0]))) // insert
   {						// This should never happen
-    if (error && error != HA_ERR_FOUND_DUPP_KEY &&
-	error != HA_ERR_FOUND_DUPP_UNIQUE)	/* purecov: inspected */
+    if (table->file->is_fatal_error(error, HA_CHECK_DUP))
     {
       table->file->print_error(error,MYF(0));	/* purecov: deadcode */
       error= -1;				/* purecov: deadcode */
@@ -2172,7 +2171,7 @@ static int replace_db_table(TABLE *table, const char *db,
   }
   else if (rights && (error= table->file->ha_write_row(table->record[0])))
   {
-    if (error && error != HA_ERR_FOUND_DUPP_KEY) /* purecov: inspected */
+    if (table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
       goto table_error; /* purecov: deadcode */
   }
 
@@ -2744,7 +2743,7 @@ static int replace_table_table(THD *thd, GRANT_TABLE *grant_table,
   else
   {
     error=table->file->ha_write_row(table->record[0]);
-    if (error && error != HA_ERR_FOUND_DUPP_KEY)
+    if (table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
       goto table_error;				/* purecov: deadcode */
   }
 
@@ -2862,7 +2861,7 @@ static int replace_routine_table(THD *thd, GRANT_NAME *grant_name,
   else
   {
     error=table->file->ha_write_row(table->record[0]);
-    if (error && error != HA_ERR_FOUND_DUPP_KEY)
+    if (table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
       goto table_error;
   }
 

sql/sql_insert.cc

@@ -976,12 +976,25 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
     while ((error=table->file->ha_write_row(table->record[0])))
     {
       uint key_nr;
-      if (error != HA_WRITE_SKIP)
+      bool is_duplicate_key_error;
+      if (table->file->is_fatal_error(error, HA_CHECK_DUP))
 	goto err;
       table->file->restore_auto_increment(); // it's too early here! BUG#20188
+      is_duplicate_key_error= table->file->is_fatal_error(error, 0);
+      if (!is_duplicate_key_error)
+      {
+        /*
+          We come here when we had an ignorable error which is not a duplicate
+          key error. In this we ignore error if ignore flag is set, otherwise
+          report error as usual. We will not do any duplicate key processing.
+        */
+        if (info->ignore)
+          goto ok_or_after_trg_err; /* Ignoring a not fatal error, return 0 */
+        goto err;
+      }
       if ((int) (key_nr = table->file->get_dup_key(error)) < 0)
       {
-	error=HA_WRITE_SKIP;			/* Database can't find key */
+	error= HA_ERR_FOUND_DUPP_KEY;         /* Database can't find key */
 	goto err;
       }
       /* Read all columns for the row we are going to replace */
@@ -1062,7 +1075,8 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
         if ((error=table->file->ha_update_row(table->record[1],
                                               table->record[0])))
 	{
-	  if ((error == HA_ERR_FOUND_DUPP_KEY) && info->ignore)
+          if (info->ignore &&
+              !table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
             goto ok_or_after_trg_err;
           goto err;
 	}
@@ -1145,7 +1159,7 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
   else if ((error=table->file->ha_write_row(table->record[0])))
   {
     if (!info->ignore ||
-	(error != HA_ERR_FOUND_DUPP_KEY && error != HA_ERR_FOUND_DUPP_UNIQUE))
+        table->file->is_fatal_error(error, HA_CHECK_DUP))
       goto err;
     table->file->restore_auto_increment();
     goto ok_or_after_trg_err;

sql/sql_select.cc

@@ -9393,9 +9393,9 @@ bool create_myisam_from_heap(THD *thd, TABLE *table, TMP_TABLE_PARAM *param,
   /* copy row that filled HEAP table */
   if ((write_err=new_table.file->write_row(table->record[0])))
   {
-    if (write_err != HA_ERR_FOUND_DUPP_KEY &&
-	write_err != HA_ERR_FOUND_DUPP_UNIQUE || !ignore_last_dupp_key_error)
-    goto err;
+    if (new_table.file->is_fatal_error(write_err, HA_CHECK_DUP) ||
+	!ignore_last_dupp_key_error)
+      goto err;
   }
 
   /* remove heap table and change to use myisam table */
@@ -10816,8 +10816,7 @@ end_write(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
       join->found_records++;
       if ((error=table->file->write_row(table->record[0])))
       {
-	if (error == HA_ERR_FOUND_DUPP_KEY ||
-	    error == HA_ERR_FOUND_DUPP_UNIQUE)
+        if (!table->file->is_fatal_error(error, HA_CHECK_DUP))
 	  goto end;
 	if (create_myisam_from_heap(join->thd, table, &join->tmp_table_param,
 				    error,1))

sql/sql_table.cc

@@ -6322,12 +6322,10 @@ copy_data_between_tables(TABLE *from,TABLE *to,
     }
     if ((error=to->file->ha_write_row((byte*) to->record[0])))
     {
-      if ((!ignore &&
-	   handle_duplicates != DUP_REPLACE) ||
-	  (error != HA_ERR_FOUND_DUPP_KEY &&
-	   error != HA_ERR_FOUND_DUPP_UNIQUE))
+      if (!ignore || handle_duplicates != DUP_ERROR ||
+          to->file->is_fatal_error(error, HA_CHECK_DUP))
       {
-         if (error == HA_ERR_FOUND_DUPP_KEY)
+         if (!to->file->is_fatal_error(error, HA_CHECK_DUP))
          {
            uint key_nr= to->file->get_dup_key(error);
            if ((int) key_nr >= 0)

sql/sql_union.cc

@@ -65,7 +65,7 @@ bool select_union::send_data(List<Item> &values)
   if ((error= table->file->ha_write_row(table->record[0])))
   {
     /* create_myisam_from_heap will generate error if needed */
-    if (error != HA_ERR_FOUND_DUPP_KEY && error != HA_ERR_FOUND_DUPP_UNIQUE &&
+    if (table->file->is_fatal_error(error, HA_CHECK_DUP) &&
         create_myisam_from_heap(thd, table, &tmp_table_param, error, 1))
       return 1;
   }

sql/sql_update.cc

@@ -541,13 +541,14 @@ int mysql_update(THD *thd,
             break;
           }
 	}
- 	else if (!ignore || error != HA_ERR_FOUND_DUPP_KEY)
+ 	else if (!ignore ||
+                 table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
 	{
           /*
-            If (ignore && error == HA_ERR_FOUND_DUPP_KEY) we don't have to
+            If (ignore && error is ignorable) we don't have to
             do anything; otherwise...
           */
-          if (error != HA_ERR_FOUND_DUPP_KEY)
+          if (table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
             thd->fatal_error(); /* Other handler errors are fatal */
 	  table->file->print_error(error,MYF(0));
 	  error= 1;
@@ -1422,13 +1423,14 @@ bool multi_update::send_data(List<Item> &not_used_values)
 					      table->record[0])))
 	{
 	  updated--;
-          if (!ignore || error != HA_ERR_FOUND_DUPP_KEY)
+          if (!ignore ||
+              table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
 	  {
             /*
-              If (ignore && error == HA_ERR_FOUND_DUPP_KEY) we don't have to
+              If (ignore && error == is ignorable) we don't have to
               do anything; otherwise...
             */
-            if (error != HA_ERR_FOUND_DUPP_KEY)
+            if (table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
               thd->fatal_error(); /* Other handler errors are fatal */
 	    table->file->print_error(error,MYF(0));
 	    DBUG_RETURN(1);
@@ -1457,8 +1459,7 @@ bool multi_update::send_data(List<Item> &not_used_values)
       /* Write row, ignoring duplicated updates to a row */
       if ((error= tmp_table->file->ha_write_row(tmp_table->record[0])))
       {
-        if (error != HA_ERR_FOUND_DUPP_KEY &&
-            error != HA_ERR_FOUND_DUPP_UNIQUE &&
+        if (tmp_table->file->is_fatal_error(error, HA_CHECK_DUP) &&
             create_myisam_from_heap(thd, tmp_table,
                                          tmp_table_param + offset, error, 1))
 	{
@@ -1581,7 +1582,8 @@ int multi_update::do_updates(bool from_send_error)
 	if ((local_error=table->file->ha_update_row(table->record[1],
 						    table->record[0])))
 	{
-	  if (!ignore || local_error != HA_ERR_FOUND_DUPP_KEY)
+	  if (!ignore ||
+              table->file->is_fatal_error(local_error, HA_CHECK_DUP_KEY))
 	    goto err;
 	}
 	updated++;