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/* Copyright (c) 2012, 2025, Oracle and/or its affiliates.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is designed to work with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have either included with
the program or referenced in the documentation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License, version 2.0, for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include <gtest/gtest.h>
#include "sql/field.h"
#include "unittest/gunit/fake_table.h"
#include "unittest/gunit/field_temporal_utils.h"
#include "unittest/gunit/test_utils.h"
namespace field_datetime_unittests {
using my_testing::Mock_error_handler;
using my_testing::Server_initializer;
class FieldDatetimeTest : public ::testing::Test {
protected:
void SetUp() override { initializer.SetUp(); }
void TearDown() override { initializer.TearDown(); }
THD *thd() { return initializer.thd(); }
Server_initializer initializer;
Field_set *create_field_set(TYPELIB *tl);
};
class Mock_field_datetime : public Field_datetime {
public:
Mock_field_datetime()
: Field_datetime(nullptr, // ptr_arg
&Field::dummy_null_buffer, // null_ptr_arg
1, // null_bit_arg
Field::NONE, // auto_flags_arg
"field_name") // field_name_arg
{}
void make_writable() { bitmap_set_bit(table->write_set, field_index()); }
void make_readable() { bitmap_set_bit(table->read_set, field_index()); }
};
class Mock_field_datetimef : public Field_datetimef {
public:
explicit Mock_field_datetimef(uint scale)
: Field_datetimef(nullptr, // ptr_arg
&Field::dummy_null_buffer, // null_ptr_arg
1, // null_bit_arg
Field::NONE, // unireg_check_arg
"field_name", // field_name_arg
scale) {}
void make_writable() { bitmap_set_bit(table->write_set, field_index()); }
void make_readable() { bitmap_set_bit(table->read_set, field_index()); }
};
TEST_F(FieldDatetimeTest, StoreLegalStringValues) {
char buff[MAX_FIELD_WIDTH];
String str(buff, sizeof(buff), &my_charset_bin);
String unused;
Mock_field_datetime field_dt;
Fake_TABLE table(&field_dt);
table.in_use = thd();
field_dt.make_writable();
field_dt.make_readable();
thd()->check_for_truncated_fields = CHECK_FIELD_WARN;
{
SCOPED_TRACE("");
test_store_string(&field_dt, STRING_WITH_LEN("2001-01-01 00:00:01"), 0,
"2001-01-01 00:00:01", 0, TYPE_OK);
}
{
SCOPED_TRACE("");
test_store_string(&field_dt, STRING_WITH_LEN("0000-00-00 00:00:00"), 0,
"0000-00-00 00:00:00", 0, TYPE_OK);
}
{
SCOPED_TRACE("");
test_store_string(&field_dt, STRING_WITH_LEN("0001-00-00 00:00:00"), 0,
"0001-00-00 00:00:00", 0, TYPE_OK);
}
}
// Test for MODE_TIME_TRUNCATE_FRACTIONAL.
TEST_F(FieldDatetimeTest, TestTruncFrational) {
char buff[MAX_FIELD_WIDTH];
String str(buff, sizeof(buff), &my_charset_bin);
String unused;
// fsp=6
Mock_field_datetimef field_dt(6);
Fake_TABLE table(&field_dt);
table.in_use = thd();
field_dt.make_writable();
field_dt.make_readable();
// fsp=0
Mock_field_datetimef field_dt0(0);
Fake_TABLE table0(&field_dt0);
table0.in_use = thd();
field_dt0.make_writable();
field_dt0.make_readable();
thd()->check_for_truncated_fields = CHECK_FIELD_WARN;
{
SCOPED_TRACE("");
test_store_string(&field_dt, STRING_WITH_LEN("2001-01-01 00:00:01.9999999"),
MODE_TIME_TRUNCATE_FRACTIONAL,
"2001-01-01 00:00:01.999999", 0, TYPE_OK);
}
{
SCOPED_TRACE("");
test_store_string(&field_dt, STRING_WITH_LEN("2001-01-01 00:00:01.999995"),
MODE_TIME_TRUNCATE_FRACTIONAL,
"2001-01-01 00:00:01.999995", 0, TYPE_OK);
}
{
SCOPED_TRACE("");
test_store_string(&field_dt, STRING_WITH_LEN("0001-00-00 00:00:00"),
MODE_TIME_TRUNCATE_FRACTIONAL,
"0001-00-00 00:00:00.000000", 0, TYPE_OK);
}
{
SCOPED_TRACE("");
test_store_string(
&field_dt0, STRING_WITH_LEN("2001-01-01 00:00:01.9999999"),
MODE_TIME_TRUNCATE_FRACTIONAL, "2001-01-01 00:00:01", 0, TYPE_OK);
}
{
SCOPED_TRACE("");
test_store_string(&field_dt0, STRING_WITH_LEN("2001-01-01 00:00:01.9"),
MODE_TIME_TRUNCATE_FRACTIONAL, "2001-01-01 00:00:01", 0,
TYPE_OK);
}
{
SCOPED_TRACE("");
test_store_string(&field_dt0, STRING_WITH_LEN("0001-00-00 00:00:00.99"),
MODE_TIME_TRUNCATE_FRACTIONAL, "0001-00-00 00:00:00", 0,
TYPE_OK);
}
}
TEST_F(FieldDatetimeTest, StoreIllegalStringValues) {
Mock_field_datetime field_dt;
Fake_TABLE table(&field_dt);
table.in_use = thd();
field_dt.make_writable();
field_dt.make_readable();
thd()->check_for_truncated_fields = CHECK_FIELD_WARN;
// Bad year
{
SCOPED_TRACE("");
test_store_string(&field_dt, STRING_WITH_LEN("99999-01-01 00:00:01"), 0,
"0000-00-00 00:00:00", WARN_DATA_TRUNCATED,
TYPE_ERR_BAD_VALUE);
}
// Bad month
{
SCOPED_TRACE("");
test_store_string(&field_dt, STRING_WITH_LEN("2001-13-01 00:00:01"), 0,
"0000-00-00 00:00:00", WARN_DATA_TRUNCATED,
TYPE_ERR_BAD_VALUE);
}
// Bad day
{
SCOPED_TRACE("");
test_store_string(&field_dt, STRING_WITH_LEN("2001-01-32 00:00:01"), 0,
"0000-00-00 00:00:00", WARN_DATA_TRUNCATED,
TYPE_ERR_BAD_VALUE);
}
// Bad hour
{
SCOPED_TRACE("");
test_store_string(&field_dt, STRING_WITH_LEN("2001-01-01 72:00:01"), 0,
"0000-00-00 00:00:00", WARN_DATA_TRUNCATED,
TYPE_ERR_BAD_VALUE);
}
// Bad minute
{
SCOPED_TRACE("");
test_store_string(&field_dt, STRING_WITH_LEN("2001-01-01 00:72:01"), 0,
"0000-00-00 00:00:00", WARN_DATA_TRUNCATED,
TYPE_ERR_BAD_VALUE);
}
// Bad second
{
SCOPED_TRACE("");
test_store_string(&field_dt, STRING_WITH_LEN("2001-01-01 00:00:72"), 0,
"0000-00-00 00:00:00", WARN_DATA_TRUNCATED,
TYPE_ERR_BAD_VALUE);
}
// Not a day
{
SCOPED_TRACE("");
test_store_string(&field_dt, STRING_WITH_LEN("foo"), 0,
"0000-00-00 00:00:00", WARN_DATA_TRUNCATED,
TYPE_ERR_BAD_VALUE);
}
}
// Store zero date using different combinations of SQL modes
static const int no_modes = 3;
static const sql_mode_t strict_modes[no_modes] = {
MODE_STRICT_TRANS_TABLES, MODE_STRICT_ALL_TABLES,
MODE_STRICT_TRANS_TABLES | MODE_STRICT_ALL_TABLES};
/**
Strictness mode test 1:
Try storing dates with zeroes when no zero-restrictions apply
(neither NO_ZERO_DATE or NO_ZERO_IN_DATE are set). There should be
no errors, warnings or notes.
*/
TEST_F(FieldDatetimeTest, StoreZeroDateSqlModeNoZeroRestrictions) {
Mock_field_datetime field_dt;
Fake_TABLE table(&field_dt);
table.in_use = thd();
field_dt.make_writable();
field_dt.make_readable();
thd()->check_for_truncated_fields = CHECK_FIELD_WARN;
for (int i = 0; i < no_modes; i++) {
SCOPED_TRACE("");
store_zero_in_sql_mode(&field_dt, STRING_WITH_LEN("0000-00-00 00:00:00"),
"0000-00-00 00:00:00", TYPE_OK, strict_modes[i], 0);
}
for (int i = 0; i < no_modes; i++) {
SCOPED_TRACE("");
store_zero_in_sql_mode(&field_dt, STRING_WITH_LEN("0000-01-01 00:00:00"),
"0000-01-01 00:00:00", TYPE_OK, strict_modes[i], 0);
}
for (int i = 0; i < no_modes; i++) {
SCOPED_TRACE("");
store_zero_in_sql_mode(&field_dt, STRING_WITH_LEN("2001-00-01 00:00:00"),
"2001-00-01 00:00:00", TYPE_OK, strict_modes[i], 0);
}
for (int i = 0; i < no_modes; i++) {
SCOPED_TRACE("");
store_zero_in_sql_mode(&field_dt, STRING_WITH_LEN("2001-01-00 00:00:00"),
"2001-01-00 00:00:00", TYPE_OK, strict_modes[i], 0);
}
}
static const type_conversion_status nozero_expected_status[] = {
TYPE_ERR_BAD_VALUE, TYPE_ERR_BAD_VALUE, TYPE_ERR_BAD_VALUE};
/**
Strictness mode test 2:
Try storing dates with zeroes when NO_ZERO_DATE flag is set. There
should be no errors, warnings or notes unless the entire date is
zero: "0000-00-00"
*/
TEST_F(FieldDatetimeTest, StoreZeroDateSqlModeNoZeroDate) {
Mock_field_datetime field_dt;
Fake_TABLE table(&field_dt);
table.in_use = thd();
field_dt.make_writable();
field_dt.make_readable();
thd()->check_for_truncated_fields = CHECK_FIELD_WARN;
// With "MODE_NO_ZERO_DATE" set - Errors if date is all null
for (int i = 0; i < no_modes; i++) {
SCOPED_TRACE("");
store_zero_in_sql_mode(&field_dt, STRING_WITH_LEN("0000-00-00 00:00:00"),
"0000-00-00 00:00:00", nozero_expected_status[i],
MODE_NO_ZERO_DATE | strict_modes[i],
ER_TRUNCATED_WRONG_VALUE);
}
// Zero year, month or day is fine
for (int i = 0; i < no_modes; i++) {
SCOPED_TRACE("");
store_zero_in_sql_mode(&field_dt, STRING_WITH_LEN("0000-01-01 00:00:00"),
"0000-01-01 00:00:00", TYPE_OK,
MODE_NO_ZERO_DATE | strict_modes[i], 0);
}
for (int i = 0; i < no_modes; i++) {
SCOPED_TRACE("");
store_zero_in_sql_mode(&field_dt, STRING_WITH_LEN("2001-00-01 00:00:00"),
"2001-00-01 00:00:00", TYPE_OK,
MODE_NO_ZERO_DATE | strict_modes[i], 0);
}
for (int i = 0; i < no_modes; i++) {
SCOPED_TRACE("");
store_zero_in_sql_mode(&field_dt, STRING_WITH_LEN("2001-01-00 00:00:00"),
"2001-01-00 00:00:00", TYPE_OK,
MODE_NO_ZERO_DATE | strict_modes[i], 0);
}
}
/**
Strictness mode test 3:
Try storing dates with zeroes when NO_ZERO_IN_DATE flag is set. There
should be no errors unless either month or day is zero.
*/
TEST_F(FieldDatetimeTest, StoreZeroDateSqlModeNoZeroInDate) {
Mock_field_datetime field_dt;
Fake_TABLE table(&field_dt);
table.in_use = thd();
field_dt.make_writable();
field_dt.make_readable();
thd()->check_for_truncated_fields = CHECK_FIELD_WARN;
// With "MODE_NO_ZERO_IN_DATE" set - Entire date zero is ok
for (int i = 0; i < no_modes; i++) {
SCOPED_TRACE("");
store_zero_in_sql_mode(&field_dt, STRING_WITH_LEN("0000-00-00 00:00:00"),
"0000-00-00 00:00:00", TYPE_OK,
MODE_NO_ZERO_IN_DATE | strict_modes[i], 0);
}
// Year 0 is valid in strict mode too
for (int i = 0; i < no_modes; i++) {
SCOPED_TRACE("");
store_zero_in_sql_mode(&field_dt, STRING_WITH_LEN("0000-01-01 00:00:00"),
"0000-01-01 00:00:00", TYPE_OK,
MODE_NO_ZERO_IN_DATE | strict_modes[i], 0);
}
// Month 0 is NOT valid in strict mode, stores all-zero date
for (int i = 0; i < no_modes; i++) {
SCOPED_TRACE("");
store_zero_in_sql_mode(&field_dt, STRING_WITH_LEN("2001-00-01 00:00:00"),
"0000-00-00 00:00:00", nozero_expected_status[i],
MODE_NO_ZERO_IN_DATE | strict_modes[i],
ER_TRUNCATED_WRONG_VALUE);
}
// Day 0 is NOT valid in strict mode, stores all-zero date
for (int i = 0; i < no_modes; i++) {
SCOPED_TRACE("");
store_zero_in_sql_mode(&field_dt, STRING_WITH_LEN("2001-01-00 00:00:00"),
"0000-00-00 00:00:00", nozero_expected_status[i],
MODE_NO_ZERO_IN_DATE | strict_modes[i],
ER_TRUNCATED_WRONG_VALUE);
}
}
} // namespace field_datetime_unittests
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