added code covarage for functions convert(), nullif(), crc32(), is_used_lock(), char_lengtrh(), bit_xor()

added string length for more speed
made code covarage for print() method of Item
fixed printability of some items (SCRUM) (WL#1274)

1 files changed, 15 insertions, 0 deletions

diff --git a/mysql-test/r/variables.result b/mysql-test/r/variables.result
index 52ea28e6076..90654bece2e 100644
--- a/mysql-test/r/variables.result
+++ b/mysql-test/r/variables.result
@@ -22,6 +22,11 @@ NULL	NULL	NULL	NULL
 select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
 @t1:=(@t2:=1)+@t3:=4	@t1	@t2	@t3
 5	5	1	4
+explain extended select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+Warnings:
+Note	1003	select high_priority no_cache (@t1:=((@t2:=1) + (@t3:=4))) AS `@t1:=(@t2:=1)+@t3:=4`,(@t1) AS `@t1`,(@t2) AS `@t2`,(@t3) AS `@t3`
 select @t5;
 @t5
 1.23456
@@ -76,9 +81,19 @@ select @@VERSION=version();
 select last_insert_id(345);
 last_insert_id(345)
 345
+explain extended select last_insert_id(345);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+Warnings:
+Note	1003	select high_priority no_cache last_insert_id(345) AS `last_insert_id(345)`
 select @@IDENTITY,last_insert_id(), @@identity;
 @@IDENTITY	last_insert_id()	@@identity
 345	345	345
+explain extended select @@IDENTITY,last_insert_id(), @@identity;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+Warnings:
+Note	1003	select high_priority no_cache 345 AS `@@IDENTITY`,345 AS `last_insert_id()`,345 AS `@@identity`
 set big_tables=OFF, big_tables=ON, big_tables=0, big_tables=1, big_tables="OFF", big_tables="ON";
 set global concurrent_insert=ON;
 show variables like 'concurrent_insert';