Prelocking-free SPs, post-review fixes:

* Don't activate prelocking mode for evaluating procedure arguments when it is not necessary.
* Code structure simplification and cleanup.
* Cleanup in .test files


mysql-test/r/sp-prelocking.result:
  Prelocking-free SPs, post-review fixes:
  Added comment, s/testdb/mysqltest/, fixed a wrong test (error wasnt reported because of known bug in mysqltestrun)
mysql-test/r/sp-security.result:
  Don't drop the table we're not using.
mysql-test/r/sp.result:
  Prelocking-free SPs, post-review fixes:
  remove redundant "drop table if exists t3" statements
mysql-test/t/sp-prelocking.test:
  Prelocking-free SPs, post-review fixes:
  Added comment, s/testdb/mysqltest/, fixed a wrong test (error wasnt reported because of known bug in mysqltestrun)
mysql-test/t/sp-security.test:
  Don't drop the table we're not using.
mysql-test/t/sp.test:
  Prelocking-free SPs, post-review fixes:
  remove redundant "drop table if exists t3" statements
sql/sp.cc:
  New, better defined, sp_get_prelocking_info() function to get info about
    statement prelocking options
sql/sp.h:
  Prelocking-free SPs, post-review fixes: New, better defined, sp_get_prelocking_info() 
  function to get info about statement prelocking options
sql/sp_cache.h:
  Prelocking-free SPs, post-review fixes: Amended the comments
sql/sp_head.cc:
  Prelocking-free SPs, post-review fixes: Amend the comments, simplify the code that 
  attaches removes statement's prelocking tables.
sql/sql_base.cc:
  Prelocking-free SPs, post-review fixes:
  * Use a better defined sp_get_prelocking_info() function to get info about 
    statement prelocking options
  * Don't activate prelocked mode for evaluation of SP arguments that use tables 
    but don't need prelocking.
sql/sql_class.cc:
  Prelocking-free SPs, post-review fixes: Initialize THD members in the order they are declared.

3 files changed, 13 insertions, 37 deletions

diff --git a/mysql-test/r/sp-prelocking.result b/mysql-test/r/sp-prelocking.result
index da5c95cc2dd..32d6d4e6264 100644
--- a/mysql-test/r/sp-prelocking.result
+++ b/mysql-test/r/sp-prelocking.result
@@ -1,4 +1,4 @@
-drop database if exists testdb;
+drop database if exists mysqltest;
 drop table if exists t1, t2, t3, t4;
 drop procedure if exists sp1;
 drop procedure if exists sp2;
@@ -7,8 +7,8 @@ drop procedure if exists sp4;
 drop function if exists f1;
 drop function if exists f2;
 drop function if exists f3;
-create database testdb;
-use testdb//
+create database mysqltest;
+use mysqltest//
 create procedure sp1 () 
 begin
 drop table if exists t1;
@@ -17,7 +17,7 @@ end;
 //
 select database();
 database()
-testdb
+mysqltest
 call sp1();
 my-col
 1
@@ -25,12 +25,12 @@ Warnings:
 Note	1051	Unknown table 't1'
 select database();
 database()
-testdb
+mysqltest
 use test;
 select database();
 database()
 test
-call testdb.sp1();
+call mysqltest.sp1();
 my-col
 1
 Warnings:
@@ -38,8 +38,8 @@ Note	1051	Unknown table 't1'
 select database();
 database()
 test
-drop procedure testdb.sp1;
-drop database testdb;
+drop procedure mysqltest.sp1;
+drop database mysqltest;
 create procedure sp1() 
 begin 
 create table t1 (a int); 
@@ -95,13 +95,15 @@ create temporary table t1 (a int);
 insert into t1 values(1);
 call sp1();
 select 't1', a from t1;
-select 't2', b from t2;
+select 't2', a from t2;
 drop table t1;
 drop table t2;
 end//
 call sp2();
 t1	a
 t1	1
+t2	a
+t2	1
 drop procedure sp1;
 drop procedure sp2;
 create table t1 (a int);
@@ -138,21 +140,15 @@ end //
 call sp4();
 a
 1
-1
-1
 2
 a
 1
-1
 2
 a
 1
-1
 2
 a
 5
-drop temporary table t1;
-drop temporary table t2;
 drop procedure sp1;
 drop procedure sp2;
 drop procedure sp3;
diff --git a/mysql-test/r/sp-security.result b/mysql-test/r/sp-security.result
index 75ae19eed91..184978e4a0d 100644
--- a/mysql-test/r/sp-security.result
+++ b/mysql-test/r/sp-security.result
@@ -1,7 +1,7 @@
 use test;
 grant usage on *.* to user1@localhost;
 flush privileges;
-drop table if exists t1,t2;
+drop table if exists t1;
 drop database if exists db1_secret;
 create database db1_secret;
 create procedure db1_secret.dummy() begin end;
diff --git a/mysql-test/r/sp.result b/mysql-test/r/sp.result
index 1d5cd689676..b4b0424c2a7 100644
--- a/mysql-test/r/sp.result
+++ b/mysql-test/r/sp.result
@@ -84,7 +84,6 @@ foo	1
 kaka	3
 delete from t1|
 drop procedure setcontext|
-drop table if exists t3|
 create table t3 ( d date, i int, f double, s varchar(32) )|
 drop procedure if exists nullset|
 create procedure nullset()
@@ -520,7 +519,6 @@ select data into x from test.t1 limit 1;
 insert into test.t3 values ("into4", x);
 end|
 delete from t1|
-drop table if exists t3|
 create table t3 ( s char(16), d int)|
 call into_test4()|
 Warnings:
@@ -564,13 +562,12 @@ insert into test.t1 values (x, y);
 create temporary table test.t3 select * from test.t1;
 insert into test.t3 values (concat(x, "2"), y+2);
 end|
-drop table if exists t3|
 call create_select("cs", 90)|
 select * from t1, t3|
 id	data	id	data
 cs	90	cs	90
 cs	90	cs2	92
-drop table if exists t3|
+drop table t3|
 delete from t1|
 drop procedure create_select|
 drop function if exists e|
@@ -701,7 +698,6 @@ id	data
 hndlr3	13
 delete from t1|
 drop procedure hndlr3|
-drop table if exists t3|
 create table t3 ( id   char(16), data int )|
 drop procedure if exists hndlr4|
 create procedure hndlr4()
@@ -744,7 +740,6 @@ foo	40
 bar	15
 zap	663
 drop procedure cur1|
-drop table if exists t3|
 create table t3 ( s char(16), i int )|
 drop procedure if exists cur2|
 create procedure cur2()
@@ -1308,7 +1303,6 @@ select t1max()|
 t1max()
 5
 drop function t1max|
-drop table if exists t3|
 create table t3 (
 v char(16) not null primary key,
 c int unsigned not null
@@ -1429,7 +1423,6 @@ select @1, @2|
 2	NULL
 drop table t70|
 drop procedure bug1656|
-drop table if exists t3|
 create table t3(a int)|
 drop procedure if exists bug1862|
 create procedure bug1862()
@@ -1554,7 +1547,6 @@ select @x|
 42
 drop procedure bug2776_1|
 drop procedure bug2776_2|
-drop table if exists t3|
 create table t3 (s1 smallint)|
 insert into t3 values (123456789012)|
 Warnings:
@@ -1615,7 +1607,6 @@ f1	rc	t3
 drop procedure bug1863|
 drop temporary table temp_t1;
 drop table t3, t4|
-drop table if exists t3, t4|
 create table t3 ( 
 OrderID  int not null,
 MarketID int,
@@ -1693,7 +1684,6 @@ select @i, from_unixtime(@stamped_time, '%d-%m-%Y %h:%i:%s') as time|
 @i	time
 2	01-01-1970 03:16:40
 drop procedure bug3426|
-drop table if exists t3, t4|
 create table t3 (
 a int primary key, 
 ach char(1)
@@ -1723,7 +1713,6 @@ a	ach	b	bch
 1	a	1	b
 drop procedure bug3448|
 drop table t3, t4|
-drop table if exists t3|
 create table t3 (
 id int unsigned auto_increment not null primary key,
 title VARCHAR(200),
@@ -1872,7 +1861,6 @@ select 1+2|
 1+2
 3
 drop procedure bug3843|
-drop table if exists t3|
 create table t3 ( s1 char(10) )|
 insert into t3 values ('a'), ('b')|
 drop procedure if exists bug3368|
@@ -1888,7 +1876,6 @@ group_concat(v)
 yz,yz
 drop procedure bug3368|
 drop table t3|
-drop table if exists t3|
 create table t3 (f1 int, f2 int)|
 insert into t3 values (1,1)|
 drop procedure if exists bug4579_1|
@@ -1913,7 +1900,6 @@ Warning	1329	No data to FETCH
 drop procedure bug4579_1|
 drop procedure bug4579_2|
 drop table t3|
-drop table if exists t3|
 drop procedure if exists bug2773|
 create function bug2773() returns int return null|
 create table t3 as select bug2773()|
@@ -1935,7 +1921,6 @@ select bug3788()|
 bug3788()
 5
 drop function bug3788|
-drop table if exists t3|
 create table t3 (f1 int, f2 int, f3 int)|
 insert into t3 values (1,1,1)|
 drop procedure if exists bug4726|
@@ -2096,7 +2081,6 @@ call bug4902_2()|
 Id	User	Host	db	Command	Time	State	Info
 #	root	localhost	test	Query	#	NULL	show processlist
 drop procedure bug4902_2|
-drop table if exists t3|
 drop procedure if exists bug4904|
 create procedure bug4904()
 begin
@@ -2285,7 +2269,6 @@ flush status|
 flush query cache|
 delete from t1|
 drop procedure bug3583|
-drop table if exists t3|
 drop procedure if exists bug4905|
 create table t3 (s1 int,primary key (s1))|
 drop procedure if exists bug4905|
@@ -2343,7 +2326,6 @@ call bug8540()|
 y	z
 1	1
 drop procedure bug8540|
-drop table if exists t3|
 create table t3 (s1 int)|
 drop procedure if exists bug6642|
 create procedure bug6642()
@@ -2426,7 +2408,6 @@ call bug7992_2()|
 drop procedure bug7992_1|
 drop procedure bug7992_2|
 drop table t3|
-drop table if exists t3|
 create table t3 (  userid bigint(20) not null default 0 )|
 drop procedure if exists bug8116|
 create procedure bug8116(in _userid int)
@@ -2587,7 +2568,6 @@ delete from t1|
 drop procedure if exists bug6900|
 drop procedure if exists bug9074|
 drop procedure if exists bug6900_9074|
-drop table if exists t3|
 create table t3 (w char unique, x char)|
 insert into t3 values ('a', 'b')|
 create procedure bug6900()