New benchmark test

Fixed bug in REPLACE with BDB tables
Prepare for write lock on read for BDB
Inform the handler when we want to use IGNORE / REPLACE
New manual pages


Docs/manual.texi:
  Updates for BDB tables and new changes
client/mysql.cc:
  Cleanup
configure.in:
  Added sys/ioctl.h
heap/hp_rkey.c:
  Fixed bug when reading next on not unique key
include/my_base.h:
  Added new extra options
man/mysql.1:
  Added example
mysys/my_write.c:
  Safety fix
scripts/mysqlaccess.sh:
  Removed debug output
scripts/safe_mysqld.sh:
  Added --open-files-limit
sql-bench/Results/ATIS-mysql-Linux_2.2.14_my_SMP_i686:
  Updated to new benchmark
sql-bench/Results/RUN-mysql-Linux_2.2.14_my_SMP_i686:
  Updated to new benchmark
sql-bench/Results/alter-table-mysql-Linux_2.2.14_my_SMP_i686:
  Updated to new benchmark
sql-bench/Results/big-tables-mysql-Linux_2.2.14_my_SMP_i686:
  Updated to new benchmark
sql-bench/Results/connect-mysql-Linux_2.2.14_my_SMP_i686:
  Updated to new benchmark
sql-bench/Results/create-mysql-Linux_2.2.14_my_SMP_i686:
  Updated to new benchmark
sql-bench/Results/insert-mysql-Linux_2.2.14_my_SMP_i686:
  Updated to new benchmark
sql-bench/Results/select-mysql-Linux_2.2.14_my_SMP_i686:
  Updated to new benchmark
sql-bench/Results/wisconsin-mysql-Linux_2.2.14_my_SMP_i686:
  Updated to new benchmark
sql-bench/bench-init.pl.sh:
  Updated to new benchmark
sql-bench/server-cfg.sh:
  Fixes for HEAP tables
sql-bench/test-ATIS.sh:
  Fix for heap tables
sql-bench/test-insert.sh:
  Added some ORDER BY benchmarks to test more things
sql/ha_berkeley.cc:
  Fix a bug in REPLACE
sql/ha_berkeley.h:
  Fix to handle lock_on_read
sql/mysql_priv.h:
  Prepare for internal subtransactions in BDB
sql/mysqld.cc:
  Added -O open_files_limit=#
sql/sql_insert.cc:
  Inform the handler when we want to use IGNORE / REPLACE
sql/sql_load.cc:
  Inform the handler when we want to use IGNORE / REPLACE
sql/sql_parse.cc:
  Cleanup
sql/sql_show.cc:
  Cleanup
sql/sql_table.cc:
  Inform the handler when we want to use IGNORE / REPLACE
sql/sql_update.cc:
  Inform the handler when we want to use IGNORE / REPLACE
support-files/binary-configure.sh:
  Better message

1 files changed, 6 insertions, 7 deletions

diff --git a/sql/sql_show.cc b/sql/sql_show.cc
index 3094ff26d89..4424a0a6750 100644
--- a/sql/sql_show.cc
+++ b/sql/sql_show.cc
@@ -848,13 +848,12 @@ store_create_info(THD *thd, TABLE *table, String *packet)
     packet->append(" CHECKSUM=1", 11);
   if (table->db_create_options & HA_OPTION_DELAY_KEY_WRITE)
     packet->append(" DELAY_KEY_WRITE=1",18);
-  if(table->comment)
-    {
-      packet->append(" COMMENT='", 10);
-      append_unescaped(packet, table->comment);
-      packet->append('\'');
-    }
-
+  if(table->comment && table->comment[0])
+  {
+    packet->append(" COMMENT='", 10);
+    append_unescaped(packet, table->comment);
+    packet->append('\'');
+  }
 
   DBUG_RETURN(0);
 }