MDEV-31003: Second execution for ps-protocol

This patch adds for "--ps-protocol" second execution
of queries "SELECT".
Also in this patch it is added ability to disable/enable
(--disable_ps2_protocol/--enable_ps2_protocol) second
execution for "--ps-prototocol" in testcases.

storage/tokudb/mysql-test/rpl/extra/rpl_tests/rpl_parallel_load_tokudb.test

@@ -272,7 +272,9 @@ let $MYSQLD_DATADIR= `select @@datadir`;
 use test;
 let $benchmark_file= `select replace(concat("benchmark_",uuid(),".out"),"-","_")`;
 --replace_regex /benchmark_.*.out/benchmark.out/
+--disable_ps2_protocol
 eval select * from test1.benchmark into outfile  '$benchmark_file';
+--enable_ps2_protocol
 select ts from test0.benchmark where state like 'master started load' into @m_0;
 select ts from test0.benchmark where state like 'master ends load' into @m_1;
 select ts from test0.benchmark where state like 'slave takes on load' into @s_m0;
@@ -282,10 +284,11 @@ select ts from test0.benchmark where state like 'slave ends load' into @s_1;
 select ts from test0.benchmark where state like 'slave is processing load' into @s_0;
 let $delta_file= `select replace(concat("delta_",uuid(),".out"),"-","_")`;
 --replace_regex /delta_.*.out/delta.out/
+--disable_ps2_protocol
 eval select time_to_sec(@m_1) - time_to_sec(@m_0) as 'delta_m', 
        time_to_sec(@s_1) - time_to_sec(@s_0) as 'delta_s',
        time_to_sec(@s_m1) - time_to_sec(@s_m0) as 'delta_sm'  into outfile '$delta_file';
-
+--enable_ps2_protocol
 
 #
 # Consistency verification

storage/tokudb/mysql-test/tokudb/t/ext_key_1_innodb.test

@@ -9,6 +9,7 @@ create table t (id int not null, x int not null, y int not null, primary key(id)
 
 insert into t values (0,0,0),(1,1,1),(2,2,2),(3,2,3),(4,2,4);
 
+--disable_ps2_protocol
 explain select x,id from t force index (x) where x=0 and id=0;
 flush status;
 select x,id from t force index (x) where x=0 and id=0;
@@ -38,5 +39,6 @@ explain select x,id from t force index (x) where x=2 and id=0;
 flush status;
 select x,id from t force index (x) where x=2 and id=0;
 show status like 'handler_read%';
+--enable_ps2_protocol
 
 drop table t;

storage/tokudb/mysql-test/tokudb/t/ext_key_1_tokudb.test

@@ -8,6 +8,7 @@ create table t (id int not null, x int not null, y int not null, primary key(id)
 
 insert into t values (0,0,0),(1,1,1),(2,2,2),(3,2,3),(4,2,4);
 
+--disable_ps2_protocol
 explain select x,id from t force index (x) where x=0 and id=0;
 flush status;
 select x,id from t force index (x) where x=0 and id=0;
@@ -37,5 +38,6 @@ explain select x,id from t force index (x) where x=2 and id=0;
 flush status;
 select x,id from t force index (x) where x=2 and id=0;
 show status like 'handler_read%';
+--enable_ps2_protocol
 
 drop table t;

storage/tokudb/mysql-test/tokudb/t/ext_key_2_innodb.test

@@ -9,6 +9,7 @@ create table t (a int not null, b int not null, c int not null, d int not null,
 
 insert into t values (0,0,0,0),(0,1,0,1);
 
+--disable_ps2_protocol
 explain select c,a,b from t where c=0 and a=0 and b=1;
 flush status;
 select c,a,b from t where c=0 and a=0 and b=1;
@@ -18,5 +19,6 @@ explain select c,a,b from t force index (c) where c=0 and a=0 and b=1;
 flush status;
 select c,a,b from t force index (c) where c=0 and a=0 and b=1;
 show status like 'handler_read%';
+--enable_ps2_protocol
 
 drop table t;

storage/tokudb/mysql-test/tokudb/t/ext_key_2_tokudb.test

@@ -8,6 +8,7 @@ create table t (a int not null, b int not null, c int not null, d int not null,
 
 insert into t values (0,0,0,0),(0,1,0,1);
 
+--disable_ps2_protocol
 explain select c,a,b from t where c=0 and a=0 and b=1;
 flush status;
 select c,a,b from t where c=0 and a=0 and b=1;
@@ -17,5 +18,6 @@ explain select c,a,b from t force index (c) where c=0 and a=0 and b=1;
 flush status;
 select c,a,b from t force index (c) where c=0 and a=0 and b=1;
 show status like 'handler_read%';
+--enable_ps2_protocol
 
 drop table t;

storage/tokudb/mysql-test/tokudb/t/savepoint-3.test

@@ -148,10 +148,14 @@ commit|
 set autocommit= 1|
 # Let us test that savepoints work inside of functions
 # even in auto-commit mode
+--disable_ps2_protocol
 select bug13825_3(0)|
+--enable_ps2_protocol
 select * from t1|
 delete from t1|
+--disable_ps2_protocol
 select bug13825_3(1)|
+--enable_ps2_protocol
 select * from t1|
 delete from t1|
 # Curious case: rolling back to savepoint which is set by first

storage/tokudb/mysql-test/tokudb/t/type_datetime.test

@@ -278,6 +278,7 @@ drop table t1;
 # Bug#28261: Wrong DATETIME comparison result when the GET_USER_VAR function
 #            is involved.
 #
+--disable_ps2_protocol
 create table t1(f1 date);
 insert into t1 values('01-01-01'),('02-02-02'),('01-01-01'),('02-02-02');
 set @bug28261='';
@@ -285,6 +286,7 @@ select if(@bug28261 = f1, '', @bug28261:= f1) from t1;
 select if(@bug28261 = f1, '', @bug28261:= f1) from t1;
 select if(@bug28261 = f1, '', @bug28261:= f1) from t1;
 drop table t1;
+--enable_ps2_protocol
 
 #
 # Bug#28778: Wrong result of BETWEEN when comparing a DATETIME field with an

storage/tokudb/mysql-test/tokudb/t/type_newdecimal.test

@@ -1212,7 +1212,9 @@ CREATE TABLE t1 (a int DEFAULT NULL, b int DEFAULT NULL);
 INSERT INTO t1 VALUES (3,30), (1,10), (2,10);
 
 SET @a= CAST(1 AS decimal);
+--disable_ps2_protocol
 SELECT 1 FROM t1 GROUP BY @b := @a, @b;
+--enable_ps2_protocol
 
 DROP TABLE t1;
 

storage/tokudb/mysql-test/tokudb_bugs/t/PS-3773.test

@@ -10,8 +10,10 @@ SET tokudb_auto_analyze=0;
 INSERT INTO t1 VALUES(0,0,0), (1,1,1), (2,2,2), (3,3,3), (4,4,4), (5,5,5);
 
 SET GLOBAL debug_dbug = "+d,tokudb_fake_db_notfound_error_in_read_full_row";
+--disable_ps2_protocol
 --error ER_NOT_KEYFILE
 SELECT * FROM t1 WHERE b = 2;
+--enable_ps2_protocol
 
 DROP TABLE t1;
 

storage/tokudb/mysql-test/tokudb_bugs/t/simple_icp.test

@@ -16,6 +16,7 @@ create table foo (a int, b int, c int, d int, e int, key(a,b,c)) engine=TokuDB;
 
 insert into foo (a,b,c) select * from a,b,c;
 
+--disable_ps2_protocol
 flush status;
 show status like '%Handler_read_next%';
 replace_column 9 NA;
@@ -43,5 +44,6 @@ replace_column 9 NA;
 explain select * from foo where a > 19 and c=10;
 select * from foo where a > 19 and c=10;
 show status like '%Handler_read_next%';
+--enable_ps2_protocol
 
 drop table foo,a,b,c;