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bug#35558 Wrong server metadata blows up the client

Browse Source 
the problem: FORMAT func max_length value was calculated incorrectly
the fix: correct calculation of max_length


mysql-test/r/func_str.result:
  test result
mysql-test/t/func_str.test:
  test case
sql/item_strfunc.h:
  the problem: FORMAT func max_length value was calculated incorrectly
  the fix: correct calculation of max_length
This commit is contained in:
Sergey Glukhov
2008-12-09 14:00:43 +04:00
parent cbb368aa88
commit 681a2d1a53
3 changed files with 22 additions and 5 deletions
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12
mysql-test/r/func_str.result
View File

@ -717,8 +717,6 @@ insert(_latin2'abcd',2,3,_latin2'ef'),
replace(_latin2'abcd',_latin2'b',_latin2'B'),
encode('abcd','ab')
;
Warnings:
Warning 1265 Data truncated for column 'format(130,10)' at row 1
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
@ -727,7 +725,7 @@ t1 CREATE TABLE `t1` (
`conv(130,16,10)` varchar(64) default NULL,
`hex(130)` varchar(6) NOT NULL default '',
`char(130)` varbinary(4) NOT NULL default '',
`format(130,10)` varchar(4) NOT NULL default '',
`format(130,10)` varchar(16) NOT NULL default '',
`left(_latin2'a',1)` varchar(1) character set latin2 NOT NULL default '',
`right(_latin2'a',1)` varchar(1) character set latin2 NOT NULL default '',
`lcase(_latin2'a')` varchar(1) character set latin2 NOT NULL default '',
@ -2175,4 +2173,12 @@ SELECT HEX(c1) from v1;
HEX(c1)
414243
DROP VIEW v1;
create table t1(a float);
insert into t1 values (1.33);
select format(a, 2) from t1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def format(a, 2) 253 20 4 Y 0 2 8
format(a, 2)
1.33
drop table t1;
End of 5.0 tests

10
mysql-test/t/func_str.test
View File

@ -1149,4 +1149,14 @@ CREATE VIEW v1 AS SELECT CHAR(0x414243) as c1;
SELECT HEX(c1) from v1;
DROP VIEW v1;
#
# Bug #35558 Wrong server metadata blows up the client
#
create table t1(a float);
insert into t1 values (1.33);
--enable_metadata
select format(a, 2) from t1;
--disable_metadata
drop table t1;
--echo End of 5.0 tests