merge with 3.23.50

BitKeeper/etc/logging_ok:
  auto-union
BUILD/SETUP.sh:
  Auto merged
Build-tools/Do-compile:
  Auto merged
Build-tools/Do-rpm:
  Auto merged
configure.in:
  Auto merged
include/mysql_com.h:
  Auto merged
innobase/btr/btr0btr.c:
  Auto merged
innobase/btr/btr0cur.c:
  Auto merged
innobase/btr/btr0sea.c:
  Auto merged
innobase/dict/dict0dict.c:
  Auto merged
innobase/dict/dict0load.c:
  Auto merged
innobase/fil/fil0fil.c:
  Auto merged
innobase/fsp/fsp0fsp.c:
  Auto merged
innobase/include/srv0srv.h:
  Auto merged
innobase/include/sync0rw.ic:
  Auto merged
innobase/log/log0log.c:
  Auto merged
innobase/rem/rem0cmp.c:
  Auto merged
innobase/row/row0ins.c:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
innobase/row/row0upd.c:
  Auto merged
innobase/srv/srv0srv.c:
  Auto merged
innobase/srv/srv0start.c:
  Auto merged
myisam/myisampack.c:
  Auto merged
mysql-test/t/range.test:
  Auto merged
scripts/mysqldumpslow.sh:
  Auto merged
sql/ha_innodb.h:
  Auto merged
sql/handler.cc:
  Auto merged
sql/handler.h:
  Auto merged
sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_func.h:
  Auto merged
sql/lock.cc:
  Auto merged
sql/share/Makefile.am:
  Auto merged
sql/sql_rename.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
support-files/mysql.spec.sh:
  Auto merged
Docs/manual.texi:
  merge
client/mysql.cc:
  merge
client/mysqldump.c:
  merge
innobase/buf/buf0buf.c:
  merge
innobase/os/os0file.c:
  merge
innobase/row/row0mysql.c:
  merge
mysql-test/r/range.result:
  merge
sql/ha_innodb.cc:
  merge
sql/log_event.h:
  merge
sql/mysqld.cc:
  merge
sql/sql_base.cc:
  merge
sql/sql_load.cc:
  merge

1 files changed, 20 insertions, 3 deletions

diff --git a/sql/item.cc b/sql/item.cc
index c081fd9dd5f..dac10eafafb 100644
--- a/sql/item.cc
+++ b/sql/item.cc
@@ -59,12 +59,28 @@ void Item::set_name(char *str,uint length)
   }
 }
 
-bool Item::eq(const Item *item) const		// Only doing this on conds
+/*
+  This function is only called when comparing items in the WHERE clause
+*/
+
+bool Item::eq(const Item *item, bool binary_cmp) const
 {
   return type() == item->type() && name && item->name &&
     !my_strcasecmp(name,item->name);
 }
 
+bool Item_string::eq(const Item *item, bool binary_cmp) const
+{
+  if (type() == item->type())
+  {
+    if (binary_cmp)
+      return !stringcmp(&str_value, &item->str_value);
+    return !sortcmp(&str_value, &item->str_value);
+  }
+  return 0;
+}
+
+
 /*
   Get the value of the function as a TIME structure.
   As a extra convenience the time structure is reset on error!
@@ -203,7 +219,7 @@ longlong Item_field::val_int_result()
   return result_field->val_int();
 }
 
-bool Item_field::eq(const Item *item) const
+bool Item_field::eq(const Item *item, bool binary_cmp) const
 {
   return item->type() == FIELD_ITEM && ((Item_field*) item)->field == field;
 }
@@ -262,7 +278,8 @@ void Item_string::print(String *str)
   str->append('\'');
 }
 
-bool Item_null::eq(const Item *item) const { return item->type() == type(); }
+bool Item_null::eq(const Item *item, bool binary_cmp) const
+{ return item->type() == type(); }
 double Item_null::val() { null_value=1; return 0.0; }
 longlong Item_null::val_int() { null_value=1; return 0; }
 /* ARGSUSED */