Merge stella.local:/home2/mydev/mysql-5.1-ateam

into  stella.local:/home2/mydev/mysql-5.1-axmrg

mysql-test/r/federated.result

@@ -2092,6 +2092,8 @@ DROP TABLE t1;
 DROP TABLE t1;
 CREATE TABLE t1 (a INT) ENGINE=federated CONNECTION='mysql://@:://';
 DROP TABLE t1;
+create server 's1' foreign data wrapper 'mysql' options (port 3306);
+drop server 's1';
 End of 5.1 tests
 DROP TABLE IF EXISTS federated.t1;
 DROP DATABASE IF EXISTS federated;

mysql-test/suite/binlog/r/binlog_stm_ps.result

@@ -10,6 +10,8 @@ execute s using @a;
 prepare s from "insert into t1 select 100 limit ?";
 set @a=100;
 execute s using @a;
+Warnings:
+Warning	1592	Statement is not safe to log in statement format.
 show binlog events from <binlog_start>;
 Log_name	Pos	Event_type	Server_id	End_log_pos	Info
 master-bin.000001	#	Query	#	#	use `test`; create table t1 (a int)

mysql-test/suite/binlog/r/binlog_unsafe.result

@@ -192,3 +192,31 @@ DROP PROCEDURE proc4;
 DROP FUNCTION  func5;
 DROP PREPARE   prep6;
 DROP TABLE t1, t2, t3, trigger_table, trigger_table2;
+CREATE TABLE t1(a INT, b INT, KEY(a), PRIMARY KEY(b));
+INSERT INTO t1 SELECT * FROM t1 LIMIT 1;
+Warnings:
+Warning	1592	Statement is not safe to log in statement format.
+REPLACE INTO t1 SELECT * FROM t1 LIMIT 1;
+Warnings:
+Warning	1592	Statement is not safe to log in statement format.
+UPDATE t1 SET a=1 LIMIT 1;
+Warnings:
+Warning	1592	Statement is not safe to log in statement format.
+DELETE FROM t1 LIMIT 1;
+Warnings:
+Warning	1592	Statement is not safe to log in statement format.
+CREATE PROCEDURE p1()
+BEGIN
+INSERT INTO t1 SELECT * FROM t1 LIMIT 1;
+REPLACE INTO t1 SELECT * FROM t1 LIMIT 1;
+UPDATE t1 SET a=1 LIMIT 1;
+DELETE FROM t1 LIMIT 1;
+END|
+CALL p1();
+Warnings:
+Warning	1592	Statement is not safe to log in statement format.
+Warning	1592	Statement is not safe to log in statement format.
+Warning	1592	Statement is not safe to log in statement format.
+Warning	1592	Statement is not safe to log in statement format.
+DROP PROCEDURE p1;
+DROP TABLE t1;

mysql-test/suite/binlog/t/binlog_stm_ps.test

 # This test is to verify replication with PS
 
 -- source include/not_embedded.inc
--- source include/have_binlog_format_mixed_or_statement.inc
+-- source include/have_binlog_format_statement.inc
 
 -- disable_query_log
 reset master; # get rid of previous tests binlog

mysql-test/suite/binlog/t/binlog_unsafe.test

@@ -236,3 +236,24 @@ DROP PROCEDURE proc4;
 DROP FUNCTION  func5;
 DROP PREPARE   prep6;
 DROP TABLE t1, t2, t3, trigger_table, trigger_table2;
+#
+# BUG#34768 - nondeterministic INSERT using LIMIT logged in stmt mode if
+#             binlog_format=mixed
+#
+CREATE TABLE t1(a INT, b INT, KEY(a), PRIMARY KEY(b));
+INSERT INTO t1 SELECT * FROM t1 LIMIT 1;
+REPLACE INTO t1 SELECT * FROM t1 LIMIT 1;
+UPDATE t1 SET a=1 LIMIT 1;
+DELETE FROM t1 LIMIT 1;
+delimiter |;
+CREATE PROCEDURE p1()
+BEGIN
+  INSERT INTO t1 SELECT * FROM t1 LIMIT 1;
+  REPLACE INTO t1 SELECT * FROM t1 LIMIT 1;
+  UPDATE t1 SET a=1 LIMIT 1;
+  DELETE FROM t1 LIMIT 1;
+END|
+delimiter ;|
+CALL p1();
+DROP PROCEDURE p1;
+DROP TABLE t1;

mysql-test/suite/rpl/t/rpl_optimize.test

@@ -31,7 +31,9 @@ INSERT INTO t1 (a) SELECT null FROM t1;
 save_master_pos;
 # a few updates to force OPTIMIZE to do something
 update t1 set b=(a/2*rand());
+--disable_warnings
 delete from t1 order by b limit 10000;
+--enable_warnings
 
 connection slave;
 sync_with_master;

mysql-test/suite/rpl/t/rpl_user_variables.test

@@ -315,7 +315,9 @@ create table t1(a int);
 insert into t1 values (1),(2);
 prepare s1 from 'insert into t1 select a from t1 limit ?';
 set @x='1.1';
+--disable_warnings
 execute s1 using @x;
+--enable_warnings
 select * from t1;
 sync_slave_with_master;
 connection slave;

mysql-test/t/federated.test

@@ -1828,5 +1828,11 @@ DROP TABLE t1;
 CREATE TABLE t1 (a INT) ENGINE=federated CONNECTION='mysql://@:://';
 DROP TABLE t1;
 
+#
+# Coverage testing of CREATE SERVER.
+#
+create server 's1' foreign data wrapper 'mysql' options (port 3306);
+drop server 's1';
+
 --echo End of 5.1 tests
 source include/federated_cleanup.inc;

sql/sql_delete.cc

@@ -418,6 +418,19 @@ bool mysql_prepare_delete(THD *thd, TABLE_LIST *table_list, Item **conds)
   DBUG_ENTER("mysql_prepare_delete");
   List<Item> all_fields;
 
+  /*
+    Statement-based replication of DELETE ... LIMIT is not safe as order of
+    rows is not defined, so in mixed mode we go to row-based.
+
+    Note that we may consider a statement as safe if ORDER BY primary_key
+    is present. However it may confuse users to see very similiar statements
+    replicated differently.
+  */
+  if (thd->lex->current_select->select_limit)
+  {
+    thd->lex->set_stmt_unsafe();
+    thd->set_current_stmt_binlog_row_based_if_mixed();
+  }
   thd->lex->allow_sum_func= 0;
   if (setup_tables_and_check_access(thd, &thd->lex->select_lex.context,
                                     &thd->lex->select_lex.top_join_list,

sql/sql_insert.cc

@@ -2763,6 +2763,19 @@ bool mysql_insert_select_prepare(THD *thd)
   TABLE_LIST *first_select_leaf_table;
   DBUG_ENTER("mysql_insert_select_prepare");
 
+  /*
+    Statement-based replication of INSERT ... SELECT ... LIMIT is not safe
+    as order of rows is not defined, so in mixed mode we go to row-based.
+
+    Note that we may consider a statement as safe if ORDER BY primary_key
+    is present or we SELECT a constant. However it may confuse users to
+    see very similiar statements replicated differently.
+  */
+  if (lex->current_select->select_limit)
+  {
+    lex->set_stmt_unsafe();
+    thd->set_current_stmt_binlog_row_based_if_mixed();
+  }
   /*
     SELECT_LEX do not belong to INSERT statement, so we can't add WHERE
     clause if table is VIEW

sql/sql_parse.cc

@@ -6464,6 +6464,8 @@ bool reload_acl_and_cache(THD *thd, ulong options, TABLE_LIST *tables,
         result= 1;
       if (grant_reload(thd))
         result= 1;
+      if (servers_reload(thd))
+        result= 1; /* purecov: inspected */
     }
     if (tmp_thd)
     {

sql/sql_servers.cc

@@ -55,8 +55,8 @@ static bool get_server_from_table_to_cache(TABLE *table);
 static int insert_server(THD *thd, FOREIGN_SERVER *server_options);
 static int insert_server_record(TABLE *table, FOREIGN_SERVER *server);
 static int insert_server_record_into_cache(FOREIGN_SERVER *server);
-static void prepare_server_struct_for_insert(LEX_SERVER_OPTIONS *server_options,
-                                             FOREIGN_SERVER *server);
+static FOREIGN_SERVER *
+prepare_server_struct_for_insert(LEX_SERVER_OPTIONS *server_options);
 /* drop functions */ 
 static int delete_server_record(TABLE *table,
                                 char *server_name,
@@ -166,6 +166,9 @@ end:
   RETURN VALUES
     FALSE  Success
     TRUE   Error
+
+  TODO
+    Revert back to old list if we failed to load new one.
 */
 
 static bool servers_load(THD *thd, TABLE_LIST *tables)
@@ -175,10 +178,9 @@ static bool servers_load(THD *thd, TABLE_LIST *tables)
   bool return_val= TRUE;
   DBUG_ENTER("servers_load");
 
-  /* first, send all cached rows to sleep with the fishes, oblivion!
-     I expect this crappy comment replaced */
-  free_root(&mem, MYF(MY_MARK_BLOCKS_FREE));
   my_hash_reset(&servers_cache);
+  free_root(&mem, MYF(0));
+  init_alloc_root(&mem, ACL_ALLOC_BLOCK_SIZE, 0);
 
   init_read_record(&read_record_info,thd,table=tables[0].table,NULL,1,0);
   while (!(read_record_info.read_record(&read_record_info)))
@@ -966,10 +968,14 @@ int create_server(THD *thd, LEX_SERVER_OPTIONS *server_options)
 				   server_options->server_name_length))
     goto end;
 
-  server= (FOREIGN_SERVER *)alloc_root(&mem,
-                                       sizeof(FOREIGN_SERVER));
 
-  prepare_server_struct_for_insert(server_options, server);
+  if (!(server= prepare_server_struct_for_insert(server_options)))
+  {
+    /* purecov: begin inspected */
+    error= ER_OUT_OF_RESOURCES;
+    goto end;
+    /* purecov: end */
+  }
 
   error= insert_server(thd, server);
 
@@ -1040,52 +1046,64 @@ end:
   SYNOPSIS
     prepare_server_struct_for_insert()
       LEX_SERVER_OPTIONS *server_options
-      FOREIGN_SERVER *server
 
   NOTES
+    As FOREIGN_SERVER members are allocated on mem_root, we do not need to
+    free them in case of error.
 
   RETURN VALUE
-    none
+    On success filled FOREIGN_SERVER, or NULL in case out of memory.
 
 */
 
-static void
-prepare_server_struct_for_insert(LEX_SERVER_OPTIONS *server_options,
-                                 FOREIGN_SERVER *server)
+static FOREIGN_SERVER *
+prepare_server_struct_for_insert(LEX_SERVER_OPTIONS *server_options)
 {
   char *unset_ptr= (char*)"";
+  FOREIGN_SERVER *server;
   DBUG_ENTER("prepare_server_struct");
 
+  if (!(server= (FOREIGN_SERVER *)alloc_root(&mem, sizeof(FOREIGN_SERVER))))
+    DBUG_RETURN(NULL); /* purecov: inspected */
+
   /* these two MUST be set */
-  server->server_name= strdup_root(&mem, server_options->server_name);
+  if (!(server->server_name= strdup_root(&mem, server_options->server_name)))
+    DBUG_RETURN(NULL); /* purecov: inspected */
   server->server_name_length= server_options->server_name_length;
 
-  server->host= server_options->host ?
-    strdup_root(&mem, server_options->host) : unset_ptr;
+  if (!(server->host= server_options->host ?
+          strdup_root(&mem, server_options->host) : unset_ptr))
+    DBUG_RETURN(NULL); /* purecov: inspected */
 
-  server->db= server_options->db ?
-    strdup_root(&mem, server_options->db) : unset_ptr;
+  if (!(server->db= server_options->db ?
+          strdup_root(&mem, server_options->db) : unset_ptr))
+    DBUG_RETURN(NULL); /* purecov: inspected */
 
-  server->username= server_options->username ?
-    strdup_root(&mem, server_options->username) : unset_ptr;
+  if (!(server->username= server_options->username ?
+          strdup_root(&mem, server_options->username) : unset_ptr))
+    DBUG_RETURN(NULL); /* purecov: inspected */
 
-  server->password= server_options->password ?
-    strdup_root(&mem, server_options->password) : unset_ptr;
+  if (!(server->password= server_options->password ?
+          strdup_root(&mem, server_options->password) : unset_ptr))
+    DBUG_RETURN(NULL); /* purecov: inspected */
 
   /* set to 0 if not specified */
   server->port= server_options->port > -1 ?
     server_options->port : 0;
 
-  server->socket= server_options->socket ?
-    strdup_root(&mem, server_options->socket) : unset_ptr;
+  if (!(server->socket= server_options->socket ?
+          strdup_root(&mem, server_options->socket) : unset_ptr))
+    DBUG_RETURN(NULL); /* purecov: inspected */
 
-  server->scheme= server_options->scheme ?
-    strdup_root(&mem, server_options->scheme) : unset_ptr;
+  if (!(server->scheme= server_options->scheme ?
+          strdup_root(&mem, server_options->scheme) : unset_ptr))
+    DBUG_RETURN(NULL); /* purecov: inspected */
 
-  server->owner= server_options->owner ?
-    strdup_root(&mem, server_options->owner) : unset_ptr;
+  if (!(server->owner= server_options->owner ?
+          strdup_root(&mem, server_options->owner) : unset_ptr))
+    DBUG_RETURN(NULL); /* purecov: inspected */
 
-  DBUG_VOID_RETURN;
+  DBUG_RETURN(server);
 }
 
 /*

sql/sql_update.cc

@@ -859,6 +859,19 @@ bool mysql_prepare_update(THD *thd, TABLE_LIST *table_list,
   SELECT_LEX *select_lex= &thd->lex->select_lex;
   DBUG_ENTER("mysql_prepare_update");
 
+  /*
+    Statement-based replication of UPDATE ... LIMIT is not safe as order of
+    rows is not defined, so in mixed mode we go to row-based.
+
+    Note that we may consider a statement as safe if ORDER BY primary_key
+    is present. However it may confuse users to see very similiar statements
+    replicated differently.
+  */
+  if (thd->lex->current_select->select_limit)
+  {
+    thd->lex->set_stmt_unsafe();
+    thd->set_current_stmt_binlog_row_based_if_mixed();
+  }
 #ifndef NO_EMBEDDED_ACCESS_CHECKS
   table_list->grant.want_privilege= table->grant.want_privilege= 
     (SELECT_ACL & ~table->grant.privilege);

storage/federated/ha_federated.cc

@@ -847,7 +847,6 @@ static int parse_url(MEM_ROOT *mem_root, FEDERATED_SHARE *share, TABLE *table,
   if (!share->port)
   {
     if (!share->hostname || strcmp(share->hostname, my_localhost) == 0)
-      share->socket= (char*) MYSQL_UNIX_ADDR;
     else
       share->port= MYSQL_PORT;
   }