Merge sin.intern.azundris.com:/home/tnurnberg/26817/50-26817

into  sin.intern.azundris.com:/home/tnurnberg/26817/51-26817

client/client_priv.h

@@ -60,5 +60,5 @@ enum options_client
   OPT_SLAP_AUTO_GENERATE_SQL_LOAD_TYPE, OPT_SLAP_AUTO_GENERATE_WRITE_NUM,
   OPT_MYSQL_REPLACE_INTO, OPT_BASE64_OUTPUT, OPT_SERVER_ID,
   OPT_FIX_TABLE_NAMES, OPT_FIX_DB_NAMES, OPT_SSL_VERIFY_SERVER_CERT,
-  OPT_DEBUG_INFO, OPT_COLUMN_TYPES
+  OPT_DEBUG_INFO, OPT_COLUMN_TYPES, OPT_ERROR_LOG_FILE
 };

client/mysqldump.c

@@ -109,7 +109,8 @@ static char  *opt_password=0,*current_user=0,
              *lines_terminated=0, *enclosed=0, *opt_enclosed=0, *escaped=0,
              *where=0, *order_by=0,
              *opt_compatible_mode_str= 0,
-             *err_ptr= 0;
+             *err_ptr= 0,
+             *log_error_file= NULL;
 static char **defaults_argv= 0;
 static char compatible_mode_normal_str[255];
 static ulong opt_compatible_mode= 0;
@@ -121,6 +122,8 @@ static int   first_error=0;
 static DYNAMIC_STRING extended_row;
 #include <sslopt-vars.h>
 FILE *md_result_file= 0;
+FILE *stderror_file=0;
+
 #ifdef HAVE_SMEM
 static char *shared_memory_base_name=0;
 #endif
@@ -307,6 +310,9 @@ static struct my_option my_long_options[] =
    0, 0, 0, 0, 0, 0},
   {"lock-tables", 'l', "Lock all tables for read.", (gptr*) &lock_tables,
    (gptr*) &lock_tables, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
+  {"log-error", OPT_ERROR_LOG_FILE, "Append warnings and errors to given file.",
+   (gptr*) &log_error_file, (gptr*) &log_error_file, 0, GET_STR,
+   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
   {"master-data", OPT_MASTER_DATA,
    "This causes the binary log position and filename to be appended to the "
    "output. If equal to 1, will print it as a CHANGE MASTER command; if equal"
@@ -4112,6 +4118,16 @@ int main(int argc, char **argv)
     free_resources(0);
     exit(exit_code);
   }
+
+  if (log_error_file)
+  {
+    if(!(stderror_file= freopen(log_error_file, "a+", stderr)))
+    {
+      free_resources(0);
+      exit(EX_MYSQLERR);
+    }
+  }
+
   if (connect_to_db(current_host, current_user, opt_password))
   {
     free_resources(0);
@@ -4175,5 +4191,9 @@ int main(int argc, char **argv)
   if (!path)
     write_footer(md_result_file);
   free_resources();
+
+  if (stderror_file)
+    fclose(stderror_file);
+
   return(first_error);
 } /* main */

mysql-test/r/information_schema_db.result

@@ -117,16 +117,82 @@ use testdb_1;
 create table t1 (f1 char(4));
 create view v1 as select f1 from t1;
 grant insert on v1 to testdb_2@localhost;
+create view v5 as select f1 from t1;
+grant show view on v5 to testdb_2@localhost;
+create definer=`no_such_user`@`no_such_host` view v6 as select f1 from t1;
+ERROR 42000: Access denied; you need the SUPER privilege for this operation
+use testdb_1;
+create view v6 as select f1 from t1;
+grant show view on v6 to testdb_2@localhost;
+create table t2 (f1 char(4));
+create definer=`no_such_user`@`no_such_host` view v7 as select * from t2;
+Warnings:
+Note	1449	There is no 'no_such_user'@'no_such_host' registered
+show fields from testdb_1.v6;
+Field	Type	Null	Key	Default	Extra
+f1	char(4)	YES		NULL	
+show create view testdb_1.v6;
+View	Create View
+v6	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v6` AS select `t1`.`f1` AS `f1` from `t1`
+show create view testdb_1.v7;
+View	Create View
+v7	CREATE ALGORITHM=UNDEFINED DEFINER=`no_such_user`@`no_such_host` SQL SECURITY DEFINER VIEW `v7` AS select `testdb_1`.`t2`.`f1` AS `f1` from `t2`
+Warnings:
+Warning	1356	View 'testdb_1.v7' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
+show fields from testdb_1.v7;
+Field	Type	Null	Key	Default	Extra
+f1	null	YES		NULL	
+Warnings:
+Note	1449	There is no 'no_such_user'@'no_such_host' registered
 create table t3 (f1 char(4), f2 char(4));
 create view v3 as select f1,f2 from t3;
 grant insert(f1), insert(f2) on v3 to testdb_2@localhost;
 create view v2 as select f1 from testdb_1.v1;
 create view v4 as select f1,f2 from testdb_1.v3;
+show fields from testdb_1.v5;
+Field	Type	Null	Key	Default	Extra
+f1	char(4)	YES		NULL	
+show create view testdb_1.v5;
+View	Create View
+v5	CREATE ALGORITHM=UNDEFINED DEFINER=`testdb_1`@`localhost` SQL SECURITY DEFINER VIEW `testdb_1`.`v5` AS select `testdb_1`.`t1`.`f1` AS `f1` from `testdb_1`.`t1`
+show fields from testdb_1.v6;
+Field	Type	Null	Key	Default	Extra
+f1	char(4)	YES		NULL	
+show create view testdb_1.v6;
+View	Create View
+v6	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `testdb_1`.`v6` AS select `testdb_1`.`t1`.`f1` AS `f1` from `testdb_1`.`t1`
+show fields from testdb_1.v7;
+Field	Type	Null	Key	Default	Extra
+f1	null	YES		NULL	
+Warnings:
+Note	1449	There is no 'no_such_user'@'no_such_host' registered
+show create view testdb_1.v7;
+View	Create View
+v7	CREATE ALGORITHM=UNDEFINED DEFINER=`no_such_user`@`no_such_host` SQL SECURITY DEFINER VIEW `v7` AS select `testdb_1`.`t2`.`f1` AS `f1` from `t2`
+Warnings:
+Warning	1356	View 'testdb_1.v7' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
 revoke insert(f1) on v3 from testdb_2@localhost;
+revoke show view on v5 from testdb_2@localhost;
+use testdb_1;
+revoke show view on v6 from testdb_2@localhost;
+show fields from testdb_1.v5;
+ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v5'
+show create view testdb_1.v5;
+ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v5'
+show fields from testdb_1.v6;
+ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v6'
+show create view testdb_1.v6;
+ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v6'
+show fields from testdb_1.v7;
+ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v7'
+show create view testdb_1.v7;
+ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v7'
 show create view v4;
 ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
 show fields from v4;
-ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
+Field	Type	Null	Key	Default	Extra
+f1	null	YES		NULL	
+f2	char(4)	YES		NULL	
 show fields from v2;
 Field	Type	Null	Key	Default	Extra
 f1	char(4)	YES		NULL	
@@ -151,7 +217,8 @@ where a.table_name = 'testdb_1.v1';
 view_definition
 select * from v2;
 ERROR HY000: View 'test.v2' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-drop view testdb_1.v1,v2, testdb_1.v3, v4;
+use test;
+drop view testdb_1.v1, v2, testdb_1.v3, v4;
 drop database testdb_1;
 drop user testdb_1@localhost;
 drop user testdb_2@localhost;

mysql-test/t/information_schema_db.test

@@ -121,6 +121,28 @@ create table t1 (f1 char(4));
 create view v1 as select f1 from t1;
 grant insert on v1 to testdb_2@localhost;
 
+create view v5 as select f1 from t1;
+grant show view on v5 to testdb_2@localhost;
+
+--error 1227
+create definer=`no_such_user`@`no_such_host` view v6 as select f1 from t1;
+
+connection default;
+use testdb_1;
+create view v6 as select f1 from t1;
+grant show view on v6 to testdb_2@localhost;
+
+create table t2 (f1 char(4));
+create definer=`no_such_user`@`no_such_host` view v7 as select * from t2;
+
+show fields from testdb_1.v6;
+show create view testdb_1.v6;
+
+show create view testdb_1.v7;
+show fields from testdb_1.v7;
+
+connection testdb_1;
+
 create table t3 (f1 char(4), f2 char(4));
 create view v3 as select f1,f2 from t3;
 grant insert(f1), insert(f2) on v3 to testdb_2@localhost;
@@ -129,13 +151,41 @@ connect (testdb_2,localhost,testdb_2,,test);
 create view v2 as select f1 from testdb_1.v1;
 create view v4 as select f1,f2 from testdb_1.v3;
 
+show fields from testdb_1.v5;
+show create view testdb_1.v5;
+
+show fields from testdb_1.v6;
+show create view testdb_1.v6;
+
 connection testdb_1;
+show fields from testdb_1.v7;
+show create view testdb_1.v7;
+
 revoke insert(f1) on v3 from testdb_2@localhost;
+revoke show view on v5 from testdb_2@localhost;
+connection default;
+use testdb_1;
+revoke show view on v6 from testdb_2@localhost;
 connection testdb_2;
 
+--error 1142
+show fields from testdb_1.v5;
+--error 1142
+show create view testdb_1.v5;
+
+--error 1142
+show fields from testdb_1.v6;
+--error 1142
+show create view testdb_1.v6;
+
+--error 1142
+show fields from testdb_1.v7;
+--error 1142
+show create view testdb_1.v7;
+
 --error 1345
 show create view v4;
---error 1345
+#--error 1345
 show fields from v4;
 
 show fields from v2;
@@ -155,7 +205,8 @@ where a.table_name = 'testdb_1.v1';
 select * from v2;
 
 connection default;
-drop view testdb_1.v1,v2, testdb_1.v3, v4;
+use test;
+drop view testdb_1.v1, v2, testdb_1.v3, v4;
 drop database testdb_1;
 drop user testdb_1@localhost;
 drop user testdb_2@localhost;

sql/sql_base.cc

@@ -4490,15 +4490,36 @@ find_field_in_tables(THD *thd, Item_ident *item,
   {
     Field *cur_field= find_field_in_table_ref(thd, cur_table, name, length,
                                               item->name, db, table_name, ref,
-                                              check_privileges, allow_rowid,
+                                              check_privileges,
+                                              allow_rowid,
                                               &(item->cached_field_index),
                                               register_tree_change,
                                               &actual_table);
     if (cur_field)
     {
       if (cur_field == WRONG_GRANT)
+      {
+        if (thd->lex->sql_command != SQLCOM_SHOW_FIELDS)
           return (Field*) 0;
 
+        thd->clear_error();
+        cur_field= find_field_in_table_ref(thd, cur_table, name, length,
+                                           item->name, db, table_name, ref,
+                                           false,
+                                           allow_rowid,
+                                           &(item->cached_field_index),
+                                           register_tree_change,
+                                           &actual_table);
+        if (cur_field)
+        {
+          Field *nf=new Field_null(NULL,0,Field::NONE,
+                                   cur_field->field_name,
+                                   cur_field->table,
+                                   &my_charset_bin);
+          cur_field= nf;
+        }
+      }
+
       /*
         Store the original table of the field, which may be different from
         cur_table in the case of NATURAL/USING join.

sql/sql_parse.cc

@@ -4461,7 +4461,10 @@ bool check_single_table_access(THD *thd, ulong privilege,
     goto deny;
 
   /* Show only 1 table for check_grant */
-  if (grant_option && check_grant(thd, privilege, all_tables, 0, 1, 0))
+  if (grant_option &&
+      !(all_tables->belong_to_view &&
+        (thd->lex->sql_command == SQLCOM_SHOW_FIELDS)) &&
+      check_grant(thd, privilege, all_tables, 0, 1, 0))
     goto deny;
 
   thd->security_ctx= backup_ctx;

sql/sql_view.cc

@@ -1004,6 +1004,11 @@ bool mysql_make_view(THD *thd, File_parser *parser, TABLE_LIST *table,
     CHARSET_INFO *save_cs= thd->variables.character_set_client;
     thd->variables.character_set_client= system_charset_info;
     res= MYSQLparse((void *)thd);
+
+    if ((old_lex->sql_command == SQLCOM_SHOW_FIELDS) ||
+        (old_lex->sql_command == SQLCOM_SHOW_CREATE))
+        lex->sql_command= old_lex->sql_command;
+
     thd->variables.character_set_client= save_cs;
     thd->variables.sql_mode= save_mode;
   }
@@ -1029,7 +1034,7 @@ bool mysql_make_view(THD *thd, File_parser *parser, TABLE_LIST *table,
       }
     }
     else if (!table->prelocking_placeholder &&
-             old_lex->sql_command == SQLCOM_SHOW_CREATE &&
+             (old_lex->sql_command == SQLCOM_SHOW_CREATE) &&
              !table->belong_to_view)
     {
       if (check_table_access(thd, SHOW_VIEW_ACL, table, 0))

sql/table.cc

@@ -3275,7 +3275,8 @@ bool st_table_list::prepare_view_securety_context(THD *thd)
                                 definer.host.str,
                                 thd->db))
     {
-      if (thd->lex->sql_command == SQLCOM_SHOW_CREATE)
+      if ((thd->lex->sql_command == SQLCOM_SHOW_CREATE) ||
+          (thd->lex->sql_command == SQLCOM_SHOW_FIELDS))
       {
         push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_NOTE, 
                             ER_NO_SUCH_USER,