Enable REPLACE ... SELECT in prepared statements.

mysql-test/include/ps_modify.inc:
  replace ... select now works.
mysql-test/r/ps_2myisam.result:
  replace ... select now works.
mysql-test/r/ps_3innodb.result:
  replace ... select now works.
mysql-test/r/ps_4heap.result:
  replace ... select now works.
mysql-test/r/ps_5merge.result:
  replace ... select now works.
mysql-test/r/ps_6bdb.result:
  replace ... select now works.
mysql-test/r/ps_7ndb.result:
  replace ... select now works.
mysql-test/t/ps_7ndb.test:
  replace ... select now works.
sql/sql_prepare.cc:
  Enable SQLCOM_REPLACE_SELECT: no need for any code changes but
  enable this SQLCOM in the switch.

mysql-test/include/ps_modify.inc

@@ -322,8 +322,11 @@ select a,b from t1 where a >= 1000 order by a ;
 delete from t1 where a >= 1000 ;
 
 ## replace
---error 1295
 prepare stmt1 from ' replace into t1 (a,b) select 100, ''hundred'' ';
+execute stmt1;
+execute stmt1;
+execute stmt1;
+
 
 
 ## multi table statements

mysql-test/r/ps_2myisam.result

@@ -1581,7 +1581,9 @@ a	b
 1200	x1000_1updatedupdated
 delete from t1 where a >= 1000 ;
 prepare stmt1 from ' replace into t1 (a,b) select 100, ''hundred'' ';
-ERROR HY000: This command is not supported in the prepared statement protocol yet
+execute stmt1;
+execute stmt1;
+execute stmt1;
 test_sequence
 ------ multi table tests ------
 delete from t1 ;

mysql-test/r/ps_3innodb.result

@@ -1564,7 +1564,9 @@ a	b
 1200	x1000_1updatedupdated
 delete from t1 where a >= 1000 ;
 prepare stmt1 from ' replace into t1 (a,b) select 100, ''hundred'' ';
-ERROR HY000: This command is not supported in the prepared statement protocol yet
+execute stmt1;
+execute stmt1;
+execute stmt1;
 test_sequence
 ------ multi table tests ------
 delete from t1 ;

mysql-test/r/ps_4heap.result

@@ -1565,7 +1565,9 @@ a	b
 1200	x1000_1updatedupdated
 delete from t1 where a >= 1000 ;
 prepare stmt1 from ' replace into t1 (a,b) select 100, ''hundred'' ';
-ERROR HY000: This command is not supported in the prepared statement protocol yet
+execute stmt1;
+execute stmt1;
+execute stmt1;
 test_sequence
 ------ multi table tests ------
 delete from t1 ;

mysql-test/r/ps_5merge.result

@@ -1607,7 +1607,9 @@ a	b
 1200	x1000_1updatedupdated
 delete from t1 where a >= 1000 ;
 prepare stmt1 from ' replace into t1 (a,b) select 100, ''hundred'' ';
-ERROR HY000: This command is not supported in the prepared statement protocol yet
+execute stmt1;
+execute stmt1;
+execute stmt1;
 test_sequence
 ------ multi table tests ------
 delete from t1 ;
@@ -4615,7 +4617,9 @@ a	b
 1200	x1000_1updatedupdated
 delete from t1 where a >= 1000 ;
 prepare stmt1 from ' replace into t1 (a,b) select 100, ''hundred'' ';
-ERROR HY000: This command is not supported in the prepared statement protocol yet
+execute stmt1;
+execute stmt1;
+execute stmt1;
 test_sequence
 ------ multi table tests ------
 delete from t1 ;

mysql-test/r/ps_6bdb.result

@@ -1564,7 +1564,9 @@ a	b
 1200	x1000_1updatedupdated
 delete from t1 where a >= 1000 ;
 prepare stmt1 from ' replace into t1 (a,b) select 100, ''hundred'' ';
-ERROR HY000: This command is not supported in the prepared statement protocol yet
+execute stmt1;
+execute stmt1;
+execute stmt1;
 test_sequence
 ------ multi table tests ------
 delete from t1 ;

mysql-test/r/ps_7ndb.result

@@ -1543,7 +1543,6 @@ a	b
 1000	x1000_1
 delete from t1 where a >= 1000 ;
 prepare stmt1 from ' replace into t1 (a,b) select 100, ''hundred'' ';
-ERROR HY000: This command is not supported in the prepared statement protocol yet
 test_sequence
 ------ multi table tests ------
 delete from t1 ;

mysql-test/t/ps_7ndb.test

@@ -339,8 +339,8 @@ select a,b from t1 where a >= 1000 order by a ;
 delete from t1 where a >= 1000 ;
 
 ## replace
---error 1295
 prepare stmt1 from ' replace into t1 (a,b) select 100, ''hundred'' ';
+--error 1031
 
 ## multi table statements
 --disable_query_log

sql/sql_prepare.cc

@@ -1442,6 +1442,7 @@ static int send_prepare_results(Prepared_statement *stmt, bool text_protocol)
     break;
 
   case SQLCOM_INSERT_SELECT:
+  case SQLCOM_REPLACE_SELECT:
     res= mysql_test_insert_select(stmt, tables);
     break;