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Fixed BUG#13510: Setting password local variable changes current password

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Disallow conflicting use of variables named "password" and "names". If such
  a variable is declared, and "SET ... = ..." is used for them, an error is
  returned; the user must resolve the conflict by either using `var` (indicating
  that the local variable is set) or by renaming the variable.
  This is necessary since setting "password" and "names" are treated as special
  cases by the parser.


mysql-test/r/sp-error.result:
  New test cases for BUG#13510
mysql-test/t/sp-error.test:
  New test cases for BUG#13510
sql/share/errmsg.txt:
  New error message for when certain variable names are use which would be
  parsed the wrong way. (E.g. "password" and "names")
sql/sql_yacc.yy:
  Check if "names" or "password" are used as local variable/parameter, in which
  case "set names" or "set password" will be parsed the wrong way. Give an error
  message instead.
This commit is contained in:
unknown
2005-10-11 15:01:38 +02:00
parent 931771422f
commit 71c8962221
4 changed files with 116 additions and 0 deletions
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53
mysql-test/t/sp-error.test
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@ -1212,6 +1212,59 @@ call bug9367();
drop procedure bug9367;
drop table t1;
--enable_parsing
#
# BUG#13510: Setting password local variable changes current password
#
delimiter |;
--disable_warnings
drop procedure if exists bug13510_1|
drop procedure if exists bug13510_2|
drop procedure if exists bug13510_3|
drop procedure if exists bug13510_4|
--enable_warnings
--error ER_SP_BAD_VAR_SHADOW
create procedure bug13510_1()
begin
declare password varchar(10);
set password = 'foo1';
select password;
end|
--error ER_SP_BAD_VAR_SHADOW
create procedure bug13510_2()
begin
declare names varchar(10);
set names = 'foo2';
select names;
end|
create procedure bug13510_3()
begin
declare password varchar(10);
set `password` = 'foo3';
select password;
end|
create procedure bug13510_4()
begin
declare names varchar(10);
set `names` = 'foo4';
select names;
end|
call bug13510_3()|
call bug13510_4()|
drop procedure bug13510_3|
drop procedure bug13510_4|
delimiter ;|
#
# BUG#NNNN: New bug synopsis
#