Commit 22cca358 authored by unknown's avatar unknown
Browse files

Some of the recently pushed prepared statements 

tests were disabled due to failures caused by floating point conversion
issues on optimized builds).


mysql-test/include/ps_conv.inc:
  Disable some of the tests for the test suite to pass on an optimized 
  build (floating point issues...).
mysql-test/include/ps_query.inc:
  Disable some of the tests for the test suite to pass on an optimized 
  build (floating point issues...).
mysql-test/r/ps_2myisam.result:
  Fix test results.
mysql-test/r/ps_3innodb.result:
  Fix test results.
mysql-test/r/ps_4heap.result:
  Fix test results.
mysql-test/r/ps_5merge.result:
  Fix test results.
mysql-test/r/ps_6bdb.result:
  Fix test results.
mysql-test/r/ps_7ndb.result:
  Fix test results.
parent 18fe537c

mysql-test/include/ps_conv.inc

+4 −4
Original line number Diff line number Diff line
@@ -1190,13 +1190,13 @@ execute stmt1 using @arg00 ; 
######## SELECT .. WHERE column(year)=value(DOUBLE(m,n)/DOUBLE) ########

set @arg00= 1.991e+3 ;

select 'true' as found from t9 

where c1= 20 and c17= 1.991e+3 ;

where c1= 20 and abs(c17 - 1.991e+3) < 0.01 ;

select 'true' as found from t9 

where c1= 20 and c17= @arg00 ;

where c1= 20 and abs(c17 - @arg00) < 0.01 ;

prepare stmt1 from "select 'true' as found from t9 

where c1= 20 and c17= 1.991e+3" ;

where c1= 20 and abs(c17 - 1.991e+3) < 0.01" ;

execute stmt1 ;

prepare stmt1 from "select 'true' as found from t9

where c1= 20 and c17= ?" ;

where c1= 20 and abs(c17 - ?) < 0.01" ;

execute stmt1 using @arg00 ;

mysql-test/include/ps_query.inc

+5 −0
Original line number Diff line number Diff line
@@ -540,6 +540,10 @@ FROM t9, 
(select c25 x, c32 y from t2) tt WHERE x = c25 ' ;

--enable_metadata

prepare stmt1 from @stmt ;

#

# Result log was disabled upon test case failure in the optimized build.

#

--disable_result_log

execute stmt1 ;

--disable_metadata

execute stmt1 ;
@@ -588,6 +592,7 @@ execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06, 
--disable_metadata

execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,

                    @arg07, @arg08, @arg09 ;

--enable_result_log

drop table t2 ;

mysql-test/r/ps_2myisam.result

+9 −89
Original line number Diff line number Diff line
@@ -908,53 +908,11 @@ FROM t9, 
(select c25 x, c32 y from t2) tt WHERE x = c25 ' ;

prepare stmt1 from @stmt ;

execute stmt1 ;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def					scalar_s	5	21	7	Y	32768	4	8

def					exists_s	8	1	1	N	32769	0	8

def					in_s	8	21	1	Y	32768	0	8

def					in_row_s	8	21	1	Y	32768	0	8

scalar_s	exists_s	in_s	in_row_s

2.0000	0	1	0

18.0000	1	0	1

2.0000	0	1	0

18.0000	1	0	1

execute stmt1 ;

scalar_s	exists_s	in_s	in_row_s

2.0000	0	1	0

18.0000	1	0	1

2.0000	0	1	0

18.0000	1	0	1

execute stmt1 ;

set @stmt= concat('explain ',@stmt);

prepare stmt1 from @stmt ;

execute stmt1 ;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def					id	8	3	1	N	32801	0	8

def					select_type	253	19	18	N	1	31	8

def					table	253	64	10	N	1	31	8

def					type	253	10	3	N	1	31	8

def					possible_keys	253	4096	0	Y	0	31	8

def					key	253	64	0	Y	0	31	8

def					key_len	8	3	0	Y	32800	0	8

def					ref	253	1024	0	Y	0	31	8

def					rows	8	10	1	N	32801	0	8

def					Extra	253	255	44	N	1	31	8

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t9	ALL	NULL	NULL	NULL	NULL	2	

1	PRIMARY	<derived6>	ALL	NULL	NULL	NULL	NULL	2	Using where

6	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	

5	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

4	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using temporary; Using filesort

execute stmt1 ;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t9	ALL	NULL	NULL	NULL	NULL	2	

1	PRIMARY	<derived6>	ALL	NULL	NULL	NULL	NULL	2	Using where

6	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	

5	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

4	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using temporary; Using filesort

set @stmt= ' SELECT

   (SELECT SUM(c1+c12+?) FROM t2 where (t9.c2-?)=t2.c2

    GROUP BY t9.c15 LIMIT 1) as scalar_s,
@@ -977,56 +935,14 @@ set @arg09= 40e-1 ; 
prepare stmt1 from @stmt ;

execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,

@arg07, @arg08, @arg09 ;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def					scalar_s	5	23	2	Y	32768	31	8

def					exists_s	8	1	1	N	32769	0	8

def					in_s	8	21	1	Y	32768	0	8

def					in_row_s	8	21	1	Y	32768	0	8

scalar_s	exists_s	in_s	in_row_s

2	0	1	0

18	1	0	1

2	0	1	0

18	1	0	1

execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,

@arg07, @arg08, @arg09 ;

scalar_s	exists_s	in_s	in_row_s

2	0	1	0

18	1	0	1

2	0	1	0

18	1	0	1

set @stmt= concat('explain ',@stmt);

prepare stmt1 from @stmt ;

execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,

@arg07, @arg08, @arg09 ;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def					id	8	3	1	N	32801	0	8

def					select_type	253	19	18	N	1	31	8

def					table	253	64	10	N	1	31	8

def					type	253	10	3	N	1	31	8

def					possible_keys	253	4096	0	Y	0	31	8

def					key	253	64	0	Y	0	31	8

def					key_len	8	3	0	Y	32800	0	8

def					ref	253	1024	0	Y	0	31	8

def					rows	8	10	1	N	32801	0	8

def					Extra	253	255	44	N	1	31	8

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t9	ALL	NULL	NULL	NULL	NULL	2	

1	PRIMARY	<derived6>	ALL	NULL	NULL	NULL	NULL	2	Using where

6	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	

5	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

4	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using temporary; Using filesort

execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,

@arg07, @arg08, @arg09 ;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t9	ALL	NULL	NULL	NULL	NULL	2	

1	PRIMARY	<derived6>	ALL	NULL	NULL	NULL	NULL	2	Using where

6	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	

5	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

4	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using temporary; Using filesort

drop table t2 ;

select 1 < (select a from t1) ;

ERROR 21000: Subquery returns more than 1 row
@@ -3192,17 +3108,21 @@ found 
true

set @arg00= 1.991e+3 ;

select 'true' as found from t9 

where c1= 20 and c17= 1.991e+3 ;

where c1= 20 and abs(c17 - 1.991e+3) < 0.01 ;

found

true

select 'true' as found from t9 

where c1= 20 and c17= @arg00 ;

where c1= 20 and abs(c17 - @arg00) < 0.01 ;

found

true

prepare stmt1 from "select 'true' as found from t9 

where c1= 20 and c17= 1.991e+3" ;

where c1= 20 and abs(c17 - 1.991e+3) < 0.01" ;

execute stmt1 ;

found

true

prepare stmt1 from "select 'true' as found from t9

where c1= 20 and c17= ?" ;

where c1= 20 and abs(c17 - ?) < 0.01" ;

execute stmt1 using @arg00 ;

found

true

drop table t1, t9;

mysql-test/r/ps_3innodb.result

+9 −89
Original line number Diff line number Diff line
@@ -908,53 +908,11 @@ FROM t9, 
(select c25 x, c32 y from t2) tt WHERE x = c25 ' ;

prepare stmt1 from @stmt ;

execute stmt1 ;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def					scalar_s	5	21	7	Y	32768	4	8

def					exists_s	8	1	1	N	32769	0	8

def					in_s	8	21	1	Y	32768	0	8

def					in_row_s	8	21	1	Y	32768	0	8

scalar_s	exists_s	in_s	in_row_s

2.0000	0	1	0

18.0000	1	0	1

2.0000	0	1	0

18.0000	1	0	1

execute stmt1 ;

scalar_s	exists_s	in_s	in_row_s

2.0000	0	1	0

18.0000	1	0	1

2.0000	0	1	0

18.0000	1	0	1

execute stmt1 ;

set @stmt= concat('explain ',@stmt);

prepare stmt1 from @stmt ;

execute stmt1 ;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def					id	8	3	1	N	32801	0	8

def					select_type	253	19	18	N	1	31	8

def					table	253	64	10	N	1	31	8

def					type	253	10	3	N	1	31	8

def					possible_keys	253	4096	0	Y	0	31	8

def					key	253	64	0	Y	0	31	8

def					key_len	8	3	0	Y	32800	0	8

def					ref	253	1024	0	Y	0	31	8

def					rows	8	10	1	N	32801	0	8

def					Extra	253	255	44	N	1	31	8

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t9	ALL	NULL	NULL	NULL	NULL	2	

1	PRIMARY	<derived6>	ALL	NULL	NULL	NULL	NULL	2	Using where

6	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	

5	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

4	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using temporary; Using filesort

execute stmt1 ;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t9	ALL	NULL	NULL	NULL	NULL	2	

1	PRIMARY	<derived6>	ALL	NULL	NULL	NULL	NULL	2	Using where

6	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	

5	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

4	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using temporary; Using filesort

set @stmt= ' SELECT

   (SELECT SUM(c1+c12+?) FROM t2 where (t9.c2-?)=t2.c2

    GROUP BY t9.c15 LIMIT 1) as scalar_s,
@@ -977,56 +935,14 @@ set @arg09= 40e-1 ; 
prepare stmt1 from @stmt ;

execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,

@arg07, @arg08, @arg09 ;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def					scalar_s	5	23	2	Y	32768	31	8

def					exists_s	8	1	1	N	32769	0	8

def					in_s	8	21	1	Y	32768	0	8

def					in_row_s	8	21	1	Y	32768	0	8

scalar_s	exists_s	in_s	in_row_s

2	0	1	0

18	1	0	1

2	0	1	0

18	1	0	1

execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,

@arg07, @arg08, @arg09 ;

scalar_s	exists_s	in_s	in_row_s

2	0	1	0

18	1	0	1

2	0	1	0

18	1	0	1

set @stmt= concat('explain ',@stmt);

prepare stmt1 from @stmt ;

execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,

@arg07, @arg08, @arg09 ;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def					id	8	3	1	N	32801	0	8

def					select_type	253	19	18	N	1	31	8

def					table	253	64	10	N	1	31	8

def					type	253	10	3	N	1	31	8

def					possible_keys	253	4096	0	Y	0	31	8

def					key	253	64	0	Y	0	31	8

def					key_len	8	3	0	Y	32800	0	8

def					ref	253	1024	0	Y	0	31	8

def					rows	8	10	1	N	32801	0	8

def					Extra	253	255	44	N	1	31	8

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t9	ALL	NULL	NULL	NULL	NULL	2	

1	PRIMARY	<derived6>	ALL	NULL	NULL	NULL	NULL	2	Using where

6	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	

5	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

4	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using temporary; Using filesort

execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,

@arg07, @arg08, @arg09 ;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t9	ALL	NULL	NULL	NULL	NULL	2	

1	PRIMARY	<derived6>	ALL	NULL	NULL	NULL	NULL	2	Using where

6	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	

5	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

4	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using temporary; Using filesort

drop table t2 ;

select 1 < (select a from t1) ;

ERROR 21000: Subquery returns more than 1 row
@@ -3175,17 +3091,21 @@ found 
true

set @arg00= 1.991e+3 ;

select 'true' as found from t9 

where c1= 20 and c17= 1.991e+3 ;

where c1= 20 and abs(c17 - 1.991e+3) < 0.01 ;

found

true

select 'true' as found from t9 

where c1= 20 and c17= @arg00 ;

where c1= 20 and abs(c17 - @arg00) < 0.01 ;

found

true

prepare stmt1 from "select 'true' as found from t9 

where c1= 20 and c17= 1.991e+3" ;

where c1= 20 and abs(c17 - 1.991e+3) < 0.01" ;

execute stmt1 ;

found

true

prepare stmt1 from "select 'true' as found from t9

where c1= 20 and c17= ?" ;

where c1= 20 and abs(c17 - ?) < 0.01" ;

execute stmt1 using @arg00 ;

found

true

drop table t1, t9;

mysql-test/r/ps_4heap.result

+9 −89
Original line number Diff line number Diff line
@@ -909,53 +909,11 @@ FROM t9, 
(select c25 x, c32 y from t2) tt WHERE x = c25 ' ;

prepare stmt1 from @stmt ;

execute stmt1 ;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def					scalar_s	5	21	7	Y	32768	4	8

def					exists_s	8	1	1	N	32769	0	8

def					in_s	8	21	1	Y	32768	0	8

def					in_row_s	8	21	1	Y	32768	0	8

scalar_s	exists_s	in_s	in_row_s

2.0000	0	1	0

18.0000	1	0	1

2.0000	0	1	0

18.0000	1	0	1

execute stmt1 ;

scalar_s	exists_s	in_s	in_row_s

2.0000	0	1	0

18.0000	1	0	1

2.0000	0	1	0

18.0000	1	0	1

execute stmt1 ;

set @stmt= concat('explain ',@stmt);

prepare stmt1 from @stmt ;

execute stmt1 ;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def					id	8	3	1	N	32801	0	8

def					select_type	253	19	18	N	1	31	8

def					table	253	64	10	N	1	31	8

def					type	253	10	3	N	1	31	8

def					possible_keys	253	4096	0	Y	0	31	8

def					key	253	64	0	Y	0	31	8

def					key_len	8	3	0	Y	32800	0	8

def					ref	253	1024	0	Y	0	31	8

def					rows	8	10	1	N	32801	0	8

def					Extra	253	255	44	N	1	31	8

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t9	ALL	NULL	NULL	NULL	NULL	2	

1	PRIMARY	<derived6>	ALL	NULL	NULL	NULL	NULL	2	Using where

6	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	

5	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

4	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using temporary; Using filesort

execute stmt1 ;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t9	ALL	NULL	NULL	NULL	NULL	2	

1	PRIMARY	<derived6>	ALL	NULL	NULL	NULL	NULL	2	Using where

6	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	

5	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

4	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using temporary; Using filesort

set @stmt= ' SELECT

   (SELECT SUM(c1+c12+?) FROM t2 where (t9.c2-?)=t2.c2

    GROUP BY t9.c15 LIMIT 1) as scalar_s,
@@ -978,56 +936,14 @@ set @arg09= 40e-1 ; 
prepare stmt1 from @stmt ;

execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,

@arg07, @arg08, @arg09 ;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def					scalar_s	5	23	2	Y	32768	31	8

def					exists_s	8	1	1	N	32769	0	8

def					in_s	8	21	1	Y	32768	0	8

def					in_row_s	8	21	1	Y	32768	0	8

scalar_s	exists_s	in_s	in_row_s

2	0	1	0

18	1	0	1

2	0	1	0

18	1	0	1

execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,

@arg07, @arg08, @arg09 ;

scalar_s	exists_s	in_s	in_row_s

2	0	1	0

18	1	0	1

2	0	1	0

18	1	0	1

set @stmt= concat('explain ',@stmt);

prepare stmt1 from @stmt ;

execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,

@arg07, @arg08, @arg09 ;

Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr

def					id	8	3	1	N	32801	0	8

def					select_type	253	19	18	N	1	31	8

def					table	253	64	10	N	1	31	8

def					type	253	10	3	N	1	31	8

def					possible_keys	253	4096	0	Y	0	31	8

def					key	253	64	0	Y	0	31	8

def					key_len	8	3	0	Y	32800	0	8

def					ref	253	1024	0	Y	0	31	8

def					rows	8	10	1	N	32801	0	8

def					Extra	253	255	44	N	1	31	8

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t9	ALL	NULL	NULL	NULL	NULL	2	

1	PRIMARY	<derived6>	ALL	NULL	NULL	NULL	NULL	2	Using where

6	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	

5	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

4	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using temporary; Using filesort

execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,

@arg07, @arg08, @arg09 ;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t9	ALL	NULL	NULL	NULL	NULL	2	

1	PRIMARY	<derived6>	ALL	NULL	NULL	NULL	NULL	2	Using where

6	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	

5	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

4	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using temporary; Using filesort

drop table t2 ;

select 1 < (select a from t1) ;

ERROR 21000: Subquery returns more than 1 row
@@ -3176,17 +3092,21 @@ found 
true

set @arg00= 1.991e+3 ;

select 'true' as found from t9 

where c1= 20 and c17= 1.991e+3 ;

where c1= 20 and abs(c17 - 1.991e+3) < 0.01 ;

found

true

select 'true' as found from t9 

where c1= 20 and c17= @arg00 ;

where c1= 20 and abs(c17 - @arg00) < 0.01 ;

found

true

prepare stmt1 from "select 'true' as found from t9 

where c1= 20 and c17= 1.991e+3" ;

where c1= 20 and abs(c17 - 1.991e+3) < 0.01" ;

execute stmt1 ;

found

true

prepare stmt1 from "select 'true' as found from t9

where c1= 20 and c17= ?" ;

where c1= 20 and abs(c17 - ?) < 0.01" ;

execute stmt1 using @arg00 ;

found

true

drop table t1, t9;