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Fixed conversion from zerofill integer to MYSQL_TYPE_STRING:

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if the length of the provided result buffer is equal or smaller than the converted number and
ZEROFILL FLAG is set, a truncation error will be reported.
This commit is contained in:
Georg Richter
2019-02-06 11:00:42 +01:00
parent 3beab84b83
commit 0ca2f2cb38
2 changed files with 52 additions and 6 deletions
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40
unittest/libmariadb/ps_bugs.c
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@@ -5009,11 +5009,51 @@ static int test_conc_fraction(MYSQL *mysql)
return OK;
}
static int test_zerofill_1byte(MYSQL *mysql)
{
MYSQL_STMT *stmt= mysql_stmt_init(mysql);
int rc;
MYSQL_BIND bind;
char buffer[3];
rc= mysql_query(mysql, "DROP TABLE IF EXISTS t1");
check_mysql_rc(rc, mysql);
rc= mysql_query(mysql, "CREATE TABLE t1 (a int zerofill)");
check_mysql_rc(rc, mysql);
rc= mysql_query(mysql, "INSERT INTO t1 VALUES(1)");
check_mysql_rc(rc, mysql);
rc= mysql_stmt_prepare(stmt, SL("SELECT a FROM t1"));
check_stmt_rc(rc, stmt);
rc= mysql_stmt_execute(stmt);
check_stmt_rc(rc, stmt);
memset(&bind, 0, sizeof(MYSQL_BIND));
bind.buffer_type= MYSQL_TYPE_STRING;
bind.buffer= buffer;
bind.buffer_length= 1;
rc= mysql_stmt_bind_result(stmt, &bind);
rc= mysql_stmt_fetch(stmt);
FAIL_IF(rc != 101, "expected truncation warning");
mysql_stmt_close(stmt);
rc= mysql_query(mysql, "DROP TABLE t1");
check_mysql_rc(rc, mysql);
return OK;
}
struct my_tests_st my_tests[] = {
{"test_conc344", test_conc344, TEST_CONNECTION_NEW, 0, NULL, NULL},
{"test_conc334", test_conc334, TEST_CONNECTION_NEW, 0, NULL, NULL},
{"test_compress", test_compress, TEST_CONNECTION_NEW, CLIENT_COMPRESS, NULL, NULL},
{"test_zerofill_1byte", test_zerofill_1byte, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},
{"test_codbc138", test_codbc138, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},
{"test_conc208", test_conc208, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},
{"test_mdev14165", test_mdev14165, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},