From 518787c29965d10f65a7e9c073718076aceb058c Mon Sep 17 00:00:00 2001
From: unknown <monty@hundin.mysql.fi>
Date: Wed, 19 Jun 2002 00:22:30 +0300
Subject: Made keyread (key scanning) a key specific attribute. This avoids
 using fulltext keys for table scanning. This also reverts Sinisa's original
 fix for this problem.

Docs/manual.texi:
  Update of SQL_JOIN_MAX_SIZE information3602
client/mysqldump.c:
  comment cleanup
include/my_aes.h:
  General cleanup for new file
include/rijndael.h:
  General cleanup for new file
include/sha1.h:
  General cleanup for new file
mysys/my_aes.c:
  General cleanup for new file
mysys/rijndael.c:
  General cleanup for new file
mysys/sha1.c:
  General cleanup for new file
sql/ha_berkeley.h:
  Made keyread (key scanning) a key specific attribute.
sql/ha_innodb.cc:
  Merge with 3.23.x
sql/ha_innodb.h:
  Made keyread (key scanning) a key specific attribute.
sql/ha_isam.cc:
  Moved things to table_flags()
sql/ha_isam.h:
  Made keyread (key scanning) a key specific attribute.
sql/ha_myisam.cc:
  Made keyread (key scanning) a key specific attribute.
sql/ha_myisam.h:
  Made keyread (key scanning) a key specific attribute.
sql/ha_myisammrg.h:
  Made keyread (key scanning) a key specific attribute.
sql/handler.h:
  Made keyread (key scanning) a key specific attribute.
sql/item_strfunc.cc:
  Cleanup of AES_xxx code
sql/opt_range.cc:
  Made keyread (key scanning) a key specific attribute.
sql/sql_base.cc:
  Made keyread (key scanning) a key specific attribute.
sql/sql_cache.cc:
  Removed compiler warning
sql/sql_select.cc:
  Removed wrong patch to fulltext problem
sql/table.cc:
  Made keyread (key scanning) a key specific attribute.
sql/table.h:
  Made keyread (key scanning) a key specific attribute.
---
 sql/item_strfunc.cc | 31 ++++++++++++++++---------------
 1 file changed, 16 insertions(+), 15 deletions(-)

(limited to 'sql/item_strfunc.cc')

diff --git a/sql/item_strfunc.cc b/sql/item_strfunc.cc
index fd52668da3f..dfb53a32910 100644
--- a/sql/item_strfunc.cc
+++ b/sql/item_strfunc.cc
@@ -153,15 +153,15 @@ String *Item_func_aes_encrypt::val_str(String *str)
     null_value=0;
     aes_length=my_aes_get_size(sptr->length()); // calculate result length
     
-    if ( !str->alloc(aes_length) )  // Ensure that memory is free
+    if (!str->alloc(aes_length))  // Ensure that memory is free
     {
       // finally encrypt directly to allocated buffer.
-      if (my_aes_encrypt(sptr->ptr(),sptr->length(),str->ptr(),key->ptr(),
-                     key->length()) == aes_length)
+      if (my_aes_encrypt(sptr->ptr(),sptr->length(), (char*) str->ptr(),
+			 key->ptr(), key->length()) == aes_length)
       {		     
-       // we have to get expected result length
-       str->length((uint) aes_length);
-       return str;
+	// We got the expected result length
+	str->length((uint) aes_length);
+	return str;
       }
     }
   }
@@ -169,9 +169,10 @@ String *Item_func_aes_encrypt::val_str(String *str)
   return 0;
 }
 
+
 void Item_func_aes_encrypt::fix_length_and_dec()
 {
-   max_length=my_aes_get_size(args[0]->max_length);
+  max_length=my_aes_get_size(args[0]->max_length);
 }
 
 
@@ -184,12 +185,12 @@ String *Item_func_aes_decrypt::val_str(String *str)
   if (sptr && key)  // Need to have both arguments not NULL
   {
     null_value=0;
-    if ( !str->alloc(sptr->length()) )  // Ensure that memory is free
+    if (!str->alloc(sptr->length()))  // Ensure that memory is free
     {
-      // finally decencrypt directly to allocated buffer.
-      length=my_aes_decrypt(sptr->ptr(),sptr->length(),str->ptr(),
-                            key->ptr(),key->length());
-      if (length>=0)  // if we got correct data data
+      // finally decrypt directly to allocated buffer.
+      length=my_aes_decrypt(sptr->ptr(), sptr->length(), (char*) str->ptr(),
+                            key->ptr(), key->length());
+      if (length >= 0)  // if we got correct data data
       {      
         str->length((uint) length);
         return str;
@@ -208,9 +209,9 @@ void Item_func_aes_decrypt::fix_length_and_dec()
 
 
 /*
-** Concatinate args with the following premissess
-** If only one arg which is ok, return value of arg
-** Don't reallocate val_str() if not absolute necessary.
+  Concatenate args with the following premises:
+  If only one arg (which is ok), return value of arg
+  Don't reallocate val_str() if not absolute necessary.
 */
 
 String *Item_func_concat::val_str(String *str)
-- 
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