From: Mattias Jonsson
Date: April 29 2011 8:21am
Subject: bzr commit into mysql-trunk branch (mattias.jonsson:3340)
List-Archive: http://lists.mysql.com/commits/136358
Message-Id: <201104290821.p3T8L6kU013790@acsmt357.oracle.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit

#At file:///C:/ade/mysql-bzr/topush-trunk/ based on revid:marc.alff@stripped

 3340 Mattias Jonsson	2011-04-29 [merge]
      merge

    modified:
      mysql-test/r/partition_myisam.result
      mysql-test/t/partition_myisam.test
      sql/ha_partition.cc
=== modified file 'mysql-test/r/partition_myisam.result'
--- a/mysql-test/r/partition_myisam.result	2011-03-31 14:35:51 +0000
+++ b/mysql-test/r/partition_myisam.result	2011-04-29 08:19:16 +0000
@@ -239,3 +239,12 @@ a
 DROP TABLE t1;
 # Should not be any files left here
 # End of bug#30102 test.
+# Test of post-push fix for bug#11766249/59316
+CREATE TABLE t1 (a INT, b VARCHAR(255), PRIMARY KEY (a))
+ENGINE = MyISAM
+PARTITION BY RANGE (a)
+(PARTITION p0 VALUES LESS THAN (0) MAX_ROWS=100,
+PARTITION p1 VALUES LESS THAN (100) MAX_ROWS=100,
+PARTITION pMax VALUES LESS THAN MAXVALUE);
+INSERT INTO t1 VALUES (1, "Partition p1, first row");
+DROP TABLE t1;

=== modified file 'mysql-test/t/partition_myisam.test'
--- a/mysql-test/t/partition_myisam.test	2011-03-31 14:35:51 +0000
+++ b/mysql-test/t/partition_myisam.test	2011-04-29 08:19:16 +0000
@@ -1,5 +1,4 @@
--- source include/have_partition.inc
-
+--source include/have_partition.inc
 --disable_warnings
 DROP TABLE IF EXISTS t1, t2;
 --enable_warnings
@@ -171,3 +170,13 @@ DROP TABLE t1;
 --list_files $MYSQLD_DATADIR/test t1*
 --list_files $MYSQLD_DATADIR/test t2*
 --echo # End of bug#30102 test.
+
+--echo # Test of post-push fix for bug#11766249/59316
+CREATE TABLE t1 (a INT, b VARCHAR(255), PRIMARY KEY (a))
+ENGINE = MyISAM
+PARTITION BY RANGE (a)
+(PARTITION p0 VALUES LESS THAN (0) MAX_ROWS=100,
+ PARTITION p1 VALUES LESS THAN (100) MAX_ROWS=100,
+ PARTITION pMax VALUES LESS THAN MAXVALUE);
+INSERT INTO t1 VALUES (1, "Partition p1, first row");
+DROP TABLE t1;

=== modified file 'sql/ha_partition.cc'
--- a/sql/ha_partition.cc	2011-04-26 11:30:14 +0000
+++ b/sql/ha_partition.cc	2011-04-29 08:19:16 +0000
@@ -2872,7 +2872,7 @@ int ha_partition::open(const char *name,
                       (PARTITION_ENABLED_TABLE_FLAGS));
   while (*(++file))
   {
-    DBUG_ASSERT(ref_length >= (*file)->ref_length);
+    /* MyISAM can have smaller ref_length for partitions with MAX_ROWS set */
     set_if_bigger(ref_length, ((*file)->ref_length));
     /*
       Verify that all partitions have the same set of table flags.
@@ -4258,20 +4258,17 @@ end_dont_reset_start_part:
 void ha_partition::position(const uchar *record)
 {
   handler *file= m_file[m_last_part];
+  uint pad_length;
   DBUG_ASSERT(bitmap_is_set(&(m_part_info->read_partitions), m_last_part));
   DBUG_ENTER("ha_partition::position");
 
   file->position(record);
   int2store(ref, m_last_part);
-  memcpy((ref + PARTITION_BYTES_IN_POS), file->ref,
-	 (ref_length - PARTITION_BYTES_IN_POS));
+  memcpy((ref + PARTITION_BYTES_IN_POS), file->ref, file->ref_length);
+  pad_length= m_ref_length - PARTITION_BYTES_IN_POS - file->ref_length;
+  if (pad_length)
+    memset((ref + PARTITION_BYTES_IN_POS + file->ref_length), 0, pad_length);
 
-#ifdef SUPPORTING_PARTITION_OVER_DIFFERENT_ENGINES
-#ifdef HAVE_purify
-  bzero(ref + PARTITION_BYTES_IN_POS + ref_length,
-        max_ref_length-ref_length);
-#endif /* HAVE_purify */
-#endif
   DBUG_VOID_RETURN;
 }
 

No bundle (reason: revision is a merge (you can force generation of a bundle with env var BZR_FORCE_BUNDLE=1)).