Merged some functions and removed some unused client functions.

Remember UNION for ALTER TABLE
Added test for if we are supporting transactions.
Don't allow REPLACE to replace a row when we have generated an auto_increment key
Fixed bug when using BLOB keys
Fixed bug in SET @variable=user.


Docs/manual.texi:
  Added some examples and moved the Error access denied section to the
  error section.
client/mysqltest.c:
  Changed to use the new mysql_send_query()
include/mysql.h:
  Changed mysql_reap_query() to mysql_send_query().
libmysql/libmysql.c:
  Changed mysql_reap_query() to mysql_send_query()
  Merged some functions and removed some unused functions.
mysql-test/r/bdb.result:
  New test case
mysql-test/r/distinct.result:
  New test case
mysql-test/r/key.result:
  New test case
mysql-test/r/merge.result:
  New test case
mysql-test/r/replace.result:
  New test case
mysql-test/t/bdb.test:
  New test case
mysql-test/t/key.test:
  New test case
mysql-test/t/merge.test:
  New test case
mysql-test/t/replace.test:
  New test case
mysys/my_lock.c:
  Moved global lock variable to static
sql-bench/test-insert.sh:
  Added test case for index-read only
sql/field.h:
  Fixed that one can optimize ORDER BY with ISAM and GEMINI
sql/ha_berkeley.cc:
  Added type casts needed for Windows
sql/ha_innobase.cc:
  Removed reference to manual from comment.
sql/ha_myisammrg.cc:
  Remember UNION for ALTER TABLE
sql/ha_myisammrg.h:
  Remember UNION for ALTER TABLE
sql/handler.cc:
  Added test for if we are supporting transactions.
  Don't allow REPLACE to replace a row when we have generated an auto_increment key.
sql/handler.h:
  Remember UNION for ALTER TABLE
sql/key.cc:
  Fixed bug when using BLOB keys
sql/mysql_priv.h:
  Added new variables
sql/mysqld.cc:
  Added new variables
sql/opt_range.cc:
  Fixed problem with BLOB keys
sql/opt_sum.cc:
  Fix for BLOB keys
sql/sql_class.cc:
  Added test if we need to init/clean transaction variables
sql/sql_insert.cc:
  Fix for REPLACE and auto_increment keys
sql/sql_parse.cc:
  Fixed bug in max_user_connections
sql/sql_select.cc:
  Fixed problem with key on BLOB
sql/sql_yacc.yy:
  Fixed bug in SET @variable=user.
sql/table.cc:
  Fixed problem with keys on BLOB

1 files changed, 5 insertions, 6 deletions

diff --git a/sql/opt_sum.cc b/sql/opt_sum.cc
index beac829bb74..d56bf68db62 100644
--- a/sql/opt_sum.cc
+++ b/sql/opt_sum.cc
@@ -331,16 +331,15 @@ static bool find_range_key(TABLE_REF *ref, Field* field, COND *cond)
 	   part != part_end ;
 	   part++)
       {
-	if (!part_of_cond(cond,part->field))
+	if (!part_of_cond(cond,part->field) ||
+	    left_length < part->store_length)
 	  break;
 	// Save found constant
 	if (part->null_bit)
 	  *key_ptr++= (byte) test(part->field->is_null());
-	if (left_length - part->length < 0)
-	  break;				// Can't use this key
-	part->field->get_image((char*) key_ptr,part->length);
-	key_ptr+=part->length;
-	left_length-=part->length;
+	part->field->get_key_image((char*) key_ptr,part->length);
+	key_ptr+=part->store_length - test(part->null_bit);
+	left_length-=part->store_length;
       }
       if (part == part_end && part->field == field)
       {