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MDEV-15241: make SIGNAL maximum MESSAGE_TEXT length a larger value

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Increasing the length of MESSAGE_TEXT from 128 to MYSQL_ERRMSG_SIZE which is the max length of the
error message
This commit is contained in:
Varun Gupta 2018-04-04 19:04:14 +05:30
parent e6a9ce2759
commit 7c8c9a8bfa
5 changed files with 18 additions and 17 deletions
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10
mysql-test/main/signal.result
View file

@ -1132,7 +1132,7 @@ DECLARE hhhx VARCHAR(65);
DECLARE iiix VARCHAR(65);
DECLARE jjjx VARCHAR(65);
DECLARE kkkx VARCHAR(65);
DECLARE lllx VARCHAR(129);
DECLARE lllx VARCHAR(513);
DECLARE warn CONDITION FOR SQLSTATE "01234";
set aaax= concat(repeat("A", 64), "X");
set bbbx= concat(repeat("B", 64), "X");
@ -1145,9 +1145,9 @@ set hhhx= concat(repeat("H", 64), "X");
set iiix= concat(repeat("I", 64), "X");
set jjjx= concat(repeat("J", 64), "X");
set kkkx= concat(repeat("K", 64), "X");
set lllx= concat(repeat("1", 100),
repeat("2", 20),
repeat("8", 8),
set lllx= concat(repeat("1", 500),
repeat("2", 10),
repeat("8", 2),
"X");
SIGNAL warn SET
CLASS_ORIGIN = aaax,
@ -1176,7 +1176,7 @@ Warning 1647 Data truncated for condition item 'TABLE_NAME'
Warning 1647 Data truncated for condition item 'COLUMN_NAME'
Warning 1647 Data truncated for condition item 'CURSOR_NAME'
Warning 1647 Data truncated for condition item 'MESSAGE_TEXT'
Warning 10000 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112222222222222222222288888888
Warning 10000 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111222222222288
drop procedure test_signal $$
set sql_mode = DEFAULT $$
create procedure test_signal()

8
mysql-test/main/signal.test
View file

@ -1360,7 +1360,7 @@ begin
DECLARE iiix VARCHAR(65);
DECLARE jjjx VARCHAR(65);
DECLARE kkkx VARCHAR(65);
DECLARE lllx VARCHAR(129);
DECLARE lllx VARCHAR(513);
DECLARE warn CONDITION FOR SQLSTATE "01234";
@ -1375,9 +1375,9 @@ begin
set iiix= concat(repeat("I", 64), "X");
set jjjx= concat(repeat("J", 64), "X");
set kkkx= concat(repeat("K", 64), "X");
set lllx= concat(repeat("1", 100),
repeat("2", 20),
repeat("8", 8),
set lllx= concat(repeat("1", 500),
repeat("2", 10),
repeat("8", 2),
"X");
SIGNAL warn SET

8
mysql-test/main/signal_sqlmode.result
View file

@ -36,7 +36,7 @@ Warning 1265 Data truncated for column 'utf8_var' at row 1
call p2;
length(msg) msg
129 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAX
ERROR 55555: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
ERROR 55555: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAX
call p3;
length(name) name
65 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAX
@ -54,8 +54,8 @@ end
$$
create procedure p2()
begin
declare msg VARCHAR(129) CHARACTER SET UTF8;
set msg = concat(repeat('A', 128), 'X');
declare msg VARCHAR(513) CHARACTER SET UTF8;
set msg = concat(repeat('A', 512), 'X');
select length(msg), msg;
signal sqlstate '55555' set message_text = msg;
end
@ -74,7 +74,7 @@ call p;
ERROR 22001: Data too long for column 'utf8_var' at row 1
call p2;
length(msg) msg
129 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAX
513 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAX
ERROR HY000: Data too long for condition item 'MESSAGE_TEXT'
call p3;
length(name) name

4
mysql-test/main/signal_sqlmode.test
View file

@ -69,8 +69,8 @@ $$
create procedure p2()
begin
declare msg VARCHAR(129) CHARACTER SET UTF8;
set msg = concat(repeat('A', 128), 'X');
declare msg VARCHAR(513) CHARACTER SET UTF8;
set msg = concat(repeat('A', 512), 'X');
select length(msg), msg;
signal sqlstate '55555' set message_text = msg;

5
sql/sql_signal.cc
View file

@ -262,12 +262,13 @@ int Sql_cmd_common_signal::eval_signal_informations(THD *thd, Sql_condition *con
}
/*
Enforce that SET MESSAGE_TEXT = <value> evaluates the value
as VARCHAR(128) CHARACTER SET UTF8.
as VARCHAR(MYSQL_ERRMSG_SIZE) CHARACTER SET UTF8.
*/
bool truncated;
String utf8_text;
str= set->val_str(& str_value);
truncated= assign_fixed_string(thd->mem_root, & my_charset_utf8_bin, 128,
truncated= assign_fixed_string(thd->mem_root, & my_charset_utf8_bin,
MYSQL_ERRMSG_SIZE,
& utf8_text, str);
if (truncated)
{