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Merge neptunus.(none):/home/msvensson/mysql/mysql-4.1

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into  neptunus.(none):/home/msvensson/mysql/bug12698/my41-bug12698
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msvensson@neptunus.(none) 2005-10-13 15:53:02 +02:00
commit 1fc54b1045
3 changed files with 20 additions and 93 deletions
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7
mysql-test/r/show_check.result
View file

@ -513,3 +513,10 @@ t1 CREATE TABLE `t1` (
KEY `c2` USING BTREE (`c2`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
flush tables;
SHOW TABLE STATUS like 't1';
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t1 NULL NULL NULL NULL # # # # NULL NULL NULL NULL NULL NULL NULL NULL Incorrect information in file: './test/t1.frm'
show create table t1;
ERROR HY000: Incorrect information in file: './test/t1.frm'
drop table t1;

13
mysql-test/t/show_check.test
View file

@ -378,4 +378,17 @@ create table t1 (
SHOW CREATE TABLE t1;
DROP TABLE t1;
# Test for BUG#93: 4.1 protocl crash on corupted frm and SHOW TABLE STATUS
flush tables;
# Create a junk frm file on disk
system echo "this is a junk file for test" >> var/master-data/test/t1.frm ;
--replace_column 6 # 7 # 8 # 9 #
SHOW TABLE STATUS like 't1';
--error 1033
show create table t1;
drop table t1;
# End of 4.1 tests

93
tests/mysql_client_test.c
View file

@ -6899,98 +6899,6 @@ static void test_prepare_grant()
}
#endif /* EMBEDDED_LIBRARY */
/*
Test a crash when invalid/corrupted .frm is used in the
SHOW TABLE STATUS
bug #93 (reported by serg@mysql.com).
*/
static void test_frm_bug()
{
MYSQL_STMT *stmt;
MYSQL_BIND bind[2];
MYSQL_RES *result;
MYSQL_ROW row;
FILE *test_file;
char data_dir[FN_REFLEN];
char test_frm[FN_REFLEN];
int rc;
myheader("test_frm_bug");
mysql_autocommit(mysql, TRUE);
rc= mysql_query(mysql, "drop table if exists test_frm_bug");
myquery(rc);
rc= mysql_query(mysql, "flush tables");
myquery(rc);
stmt= mysql_simple_prepare(mysql, "show variables like 'datadir'");
check_stmt(stmt);
rc= mysql_stmt_execute(stmt);
check_execute(stmt, rc);
bind[0].buffer_type= MYSQL_TYPE_STRING;
bind[0].buffer= data_dir;
bind[0].buffer_length= FN_REFLEN;
bind[0].is_null= 0;
bind[0].length= 0;
bind[1]= bind[0];
rc= mysql_stmt_bind_result(stmt, bind);
check_execute(stmt, rc);
rc= mysql_stmt_fetch(stmt);
check_execute(stmt, rc);
if (!opt_silent)
fprintf(stdout, "\n data directory: %s", data_dir);
rc= mysql_stmt_fetch(stmt);
DIE_UNLESS(rc == MYSQL_NO_DATA);
strxmov(test_frm, data_dir, "/", current_db, "/", "test_frm_bug.frm", NullS);
if (!opt_silent)
fprintf(stdout, "\n test_frm: %s", test_frm);
if (!(test_file= my_fopen(test_frm, (int) (O_RDWR | O_CREAT), MYF(MY_WME))))
{
fprintf(stdout, "\n ERROR: my_fopen failed for '%s'", test_frm);
fprintf(stdout, "\n test cancelled");
exit(1);
}
if (!opt_silent)
fprintf(test_file, "this is a junk file for test");
rc= mysql_query(mysql, "SHOW TABLE STATUS like 'test_frm_bug'");
myquery(rc);
result= mysql_store_result(mysql);
mytest(result);/* It can't be NULL */
rc= my_process_result_set(result);
DIE_UNLESS(rc == 1);
mysql_data_seek(result, 0);
row= mysql_fetch_row(result);
mytest(row);
if (!opt_silent)
fprintf(stdout, "\n Comment: %s", row[17]);
DIE_UNLESS(row[17] != 0);
mysql_free_result(result);
mysql_stmt_close(stmt);
my_fclose(test_file, MYF(0));
mysql_query(mysql, "drop table if exists test_frm_bug");
}
/* Test DECIMAL conversion */
static void test_decimal_bug()
@ -11976,7 +11884,6 @@ static struct my_tests_st my_tests[]= {
#ifndef EMBEDDED_LIBRARY
{ "test_prepare_grant", test_prepare_grant },
#endif
{ "test_frm_bug", test_frm_bug },
{ "test_explain_bug", test_explain_bug },
{ "test_decimal_bug", test_decimal_bug },
{ "test_nstmts", test_nstmts },