Changed compare in MyISAM to use my_pread()

Fixed that @VAR shows all decimals
Fixed problem with FLUSH TABLES and LOCK TABLE
CREATE ... SELECT now creates keys later
Reset AUTO_INCREMENT order if droping AUTO_INCREMENT key


Docs/manual.texi:
  Added MySQL/PostgreSQL comparison
isam/_dynrec.c:
  Fixed wrong compare (not used in MySQL)
myisam/mi_dynrec.c:
  Fixed wrong compare (not used in MySQL).
  Changed compare to use my_pread()
myisam/mi_packrec.c:
  cleanup
mysql-test/r/alter_table.result:
  Added test for ALTER TABLE
mysql-test/r/variables.result:
  Added test for variables with REAL values.
mysql-test/t/alter_table.test:
  Added test for ALTER TABLE
mysql-test/t/variables.test:
  Added test for variables with REAL values.
mysys/my_pread.c:
  Cleanup
sql-bench/Makefile.am:
  removed extra \
sql-bench/README:
  Fixed typo.
sql/item_func.cc:
  Fixed that @VAR shows all decimals
sql/share/swedish/errmsg.OLD:
  update
sql/sql_base.cc:
  Fixed problem with FLUSH TABLES and LOCK TABLE
sql/sql_insert.cc:
  CREATE ... SELECT now creates keys later
sql/sql_table.cc:
  Reset AUTO_INCREMENT order if droping AUTO_INCREMENT key.
BitKeeper/etc/ignore:
  Added sql-bench/graph-compare-results to the ignore list
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

1 files changed, 1 insertions, 1 deletions

diff --git a/isam/_dynrec.c b/isam/_dynrec.c
index 42a596fa623..2a908f5b42c 100644
--- a/isam/_dynrec.c
+++ b/isam/_dynrec.c
@@ -954,7 +954,7 @@ static int _nisam_cmp_buffer(File file, const byte *buff, ulong filepos, uint le
   {
     if (my_read(file,temp_buff,next_length,MYF(MY_NABP)))
       goto err;
-    if (memcmp((byte*) buff,temp_buff,IO_SIZE))
+    if (memcmp((byte*) buff,temp_buff,next_length))
       DBUG_RETURN(1);
     buff+=next_length;
     length-= next_length;