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Fix for conc-68: SELECT fails with "Got packet bigger than 'max_allowed_packet'" on a table with longblob column with fields greater than 15MB

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This commit is contained in:
Georg Richter
2014-01-24 09:02:03 +01:00
parent 1b36e6d3b5
commit 4fc30ba800
2 changed files with 74 additions and 5 deletions
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68
unittest/libmariadb/basic-t.c
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@@ -30,6 +30,72 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "my_test.h"
#include "ma_common.h"
static int test_conc68(MYSQL *mysql)
{
int rc;
MYSQL_RES *res;
MYSQL_ROW row;
rc= mysql_query(mysql, "DROP TABLE IF EXISTS t1");
check_mysql_rc(rc, mysql);
rc= mysql_query(mysql, "CREATE TABLE t1 (a LONGBLOB)");
check_mysql_rc(rc, mysql);
rc= mysql_query(mysql, "INSERT INTO t1 VALUES (REPEAT('A', 1024 * 1024 * 20))");
check_mysql_rc(rc, mysql);
rc= mysql_query(mysql, "SELECT a FROM t1");
check_mysql_rc(rc, mysql);
if (!(res= mysql_store_result(mysql)))
{
diag("Error: %s", mysql_error(mysql));
return FAIL;
}
row= mysql_fetch_row(res);
FAIL_IF(strlen(row[0]) != 1024 * 1024 * 20, "Wrong length");
mysql_free_result(res);
return OK;
}
static int test_conc66(MYSQL *my)
{
MYSQL *mysql= mysql_init(NULL);
int rc;
FILE *fp;
fp= fopen("./my.cnf", "w");
fprintf(fp, "[conc-66]\nuser=conc-66\npassword=\"my#pass;word\"");
fclose(fp);
rc= mysql_query(my, "GRANT ALL ON test.* to 'conc-66'@'%' identified by 'my#pass;word'");
check_mysql_rc(rc, mysql);
rc= mysql_query(my, "FLUSH PRIVILEGES");
check_mysql_rc(rc, mysql);
rc= mysql_options(mysql, MYSQL_READ_DEFAULT_GROUP, "conc-66");
check_mysql_rc(rc, mysql);
rc= mysql_options(mysql, MYSQL_READ_DEFAULT_FILE, "./my.cnf");
check_mysql_rc(rc, mysql);
rc= mysql_real_connect(mysql, hostname, NULL, NULL, schema,
port, socketname, 0);
if (!rc) {
diag("Error: %s\n", mysql_error(mysql));
mysql_close(mysql);
return FAIL;
}
mysql_close(mysql);
rc= mysql_query(my, "DROP USER 'conc-66'");
check_mysql_rc(rc, mysql);
return OK;
}
static int basic_connect(MYSQL *mysql)
{
MYSQL_ROW row;
@@ -555,6 +621,8 @@ static int test_compressed(MYSQL *my)
}
struct my_tests_st my_tests[] = {
{"test_conc68", test_conc68, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},
{"test_conc66", test_conc66, TEST_CONNECTION_NEW, 0, NULL, NULL},
{"test_compressed", test_compressed, TEST_CONNECTION_NONE, 0, NULL, NULL},
{"test_reconnect_maxpackage", test_reconnect_maxpackage, TEST_CONNECTION_NONE, 0, NULL, NULL},
{"basic_connect", basic_connect, TEST_CONNECTION_NONE, 0, NULL, NULL},