Implementation of WL#2897: Complete definer support in the stored routines.

The idea is to add DEFINER-clause in CREATE PROCEDURE and CREATE FUNCTION
statements. Almost all support of definer in stored routines had been already
done before this patch.

NOTE: this patch changes behaviour of dumping stored routines in mysqldump.
Before this patch, mysqldump did not dump DEFINER-clause for stored routines
and this was documented behaviour. In order to get full information about stored
routines, one should have dumped mysql.proc table. This patch changes this
behaviour, so that DEFINER-clause is dumped.

Since DEFINER-clause is not supported in CREATE PROCEDURE | FUNCTION statements
before this patch, the clause is covered by additional version-specific comments.


client/mysqldump.c:
  Updated the code for dumping stored routines: cover DEFINER-clause
  into version-specific comment.
mysql-test/r/gis.result:
  Updated result file after adding DEFINER-clause.
mysql-test/r/information_schema.result:
  Updated result file after adding DEFINER-clause.
mysql-test/r/mysqldump.result:
  Updated result file after adding DEFINER-clause.
mysql-test/r/rpl_ddl.result:
  Updated result file after adding DEFINER-clause.
mysql-test/r/rpl_sp.result:
  Updated result file after adding DEFINER-clause.
mysql-test/r/rpl_trigger.result:
  Updated result file after adding DEFINER-clause.
mysql-test/r/sp-security.result:
  Updated result file after adding DEFINER-clause.
mysql-test/r/sp.result:
  Updated result file after adding DEFINER-clause.
mysql-test/r/sql_mode.result:
  Updated result file after adding DEFINER-clause.
mysql-test/t/sp-security.test:
  Updated result file after adding DEFINER-clause.
sql/sp.cc:
  Added DEFINER-clause.
sql/sp_head.cc:
  Added a new convenient variant of set_definer() operation.
sql/sp_head.h:
  Updated result file after adding DEFINER-clause.
sql/sql_lex.h:
  Renamed trigger_definition_begin into stmt_definition_begin to be used for
  triggers and stored routines.
sql/sql_parse.cc:
  Check DEFINER-clause.
sql/sql_trigger.cc:
  Renamed trigger_definition_begin into stmt_definition_begin to be used for
  triggers and stored routines.
sql/sql_yacc.yy:
  Added DEFINER-clause.

1 files changed, 4 insertions, 4 deletions

diff --git a/mysql-test/r/sql_mode.result b/mysql-test/r/sql_mode.result
index 66df424919b..b05680f9c54 100644
--- a/mysql-test/r/sql_mode.result
+++ b/mysql-test/r/sql_mode.result
@@ -445,23 +445,23 @@ SET @@SQL_MODE='';
 create function `foo` () returns int return 5;
 show create function `foo`;
 Function	sql_mode	Create Function
-foo		CREATE FUNCTION `foo`() RETURNS int(11)
+foo		CREATE DEFINER=`root`@`localhost` FUNCTION `foo`() RETURNS int(11)
 return 5
 SET @@SQL_MODE='ANSI_QUOTES';
 show create function `foo`;
 Function	sql_mode	Create Function
-foo		CREATE FUNCTION `foo`() RETURNS int(11)
+foo		CREATE DEFINER=`root`@`localhost` FUNCTION `foo`() RETURNS int(11)
 return 5
 drop function `foo`;
 create function `foo` () returns int return 5;
 show create function `foo`;
 Function	sql_mode	Create Function
-foo	ANSI_QUOTES	CREATE FUNCTION "foo"() RETURNS int(11)
+foo	ANSI_QUOTES	CREATE DEFINER="root"@"localhost" FUNCTION "foo"() RETURNS int(11)
 return 5
 SET @@SQL_MODE='';
 show create function `foo`;
 Function	sql_mode	Create Function
-foo	ANSI_QUOTES	CREATE FUNCTION "foo"() RETURNS int(11)
+foo	ANSI_QUOTES	CREATE DEFINER="root"@"localhost" FUNCTION "foo"() RETURNS int(11)
 return 5
 drop function `foo`;
 SET @@SQL_MODE='';