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fix for bug#12913

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(Simple SQL can crash server or connection)
(not initialized member leads to server crash)
This commit is contained in:
andrey@lmy004.
2005-09-01 00:13:02 +02:00
parent e0f3c5c0fb
commit f75ac7fb82
3 changed files with 13 additions and 0 deletions
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5
mysql-test/r/create.result
View File

@ -587,6 +587,11 @@ DESC t2;
Field Type Null Key Default Extra Field Type Null Key Default Extra
f2 varchar(86) YES NULL f2 varchar(86) YES NULL
DROP TABLE t1,t2; DROP TABLE t1,t2;
CREATE TABLE t12913 (f1 ENUM ('a','b')) AS SELECT 'a' AS f1;
SELECT * FROM t12913;
f1
a
DROP TABLE t12913;
create database mysqltest; create database mysqltest;
use mysqltest; use mysqltest;
drop database mysqltest; drop database mysqltest;

7
mysql-test/t/create.test
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@ -501,6 +501,13 @@ AS f2 FROM t1;
DESC t2; DESC t2;
DROP TABLE t1,t2; DROP TABLE t1,t2;
#
# Bug#12913 Simple SQL can crash server or connection
#
CREATE TABLE t12913 (f1 ENUM ('a','b')) AS SELECT 'a' AS f1;
SELECT * FROM t12913;
DROP TABLE t12913;
# #
# Bug#11028: Crash on create table like # Bug#11028: Crash on create table like
# #

1
sql/sql_table.cc
View File

@ -649,6 +649,7 @@ int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
sql_field->decimals= dup_field->decimals; sql_field->decimals= dup_field->decimals;
sql_field->flags= dup_field->flags; sql_field->flags= dup_field->flags;
sql_field->unireg_check= dup_field->unireg_check; sql_field->unireg_check= dup_field->unireg_check;
sql_field->interval= dup_field->interval;
it2.remove(); // Remove first (create) definition it2.remove(); // Remove first (create) definition
select_field_pos--; select_field_pos--;
break; break;