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MDEV-19301 Assertion `!is_valid_datetime() || fraction_remainder(((item->decimals) < (6) ? (item->decimals) : (6))) == 0' failed in Datetime_truncation_not_needed::Datetime_truncation_not_needed

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This commit is contained in:
Alexander Barkov
2019-08-06 10:53:55 +04:00
parent c99f9766b1
commit 13f36fffea
3 changed files with 28 additions and 1 deletions
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15
mysql-test/main/type_date.result
View File

@ -1025,5 +1025,20 @@ INSERT INTO t1 SELECT * FROM t2;
DROP TABLE t1,t2;
SET sql_mode=DEFAULT;
#
# MDEV-19301 Assertion `!is_valid_datetime() || fraction_remainder(((item->decimals) < (6) ? (item->decimals) : (6))) == 0' failed in Datetime_truncation_not_needed::Datetime_truncation_not_needed
#
SELECT NULLIF(CAST(1012.5 AS DATE), 1);
NULLIF(CAST(1012.5 AS DATE), 1)
2000-10-12
Warnings:
Note 1292 Truncated incorrect date value: '1012.5'
Warning 1292 Truncated incorrect datetime value: '1'
Note 1292 Truncated incorrect date value: '1012.5'
SELECT CAST(1012.5 AS DATE) * 1.0;
CAST(1012.5 AS DATE) * 1.0
20001012.0
Warnings:
Note 1292 Truncated incorrect date value: '1012.5'
#
# End of 10.4 tests
#

8
mysql-test/main/type_date.test
View File

@ -691,6 +691,14 @@ DROP TABLE t1,t2;
SET sql_mode=DEFAULT;
--echo #
--echo # MDEV-19301 Assertion `!is_valid_datetime() || fraction_remainder(((item->decimals) < (6) ? (item->decimals) : (6))) == 0' failed in Datetime_truncation_not_needed::Datetime_truncation_not_needed
--echo #
SELECT NULLIF(CAST(1012.5 AS DATE), 1);
SELECT CAST(1012.5 AS DATE) * 1.0;
--echo #
--echo # End of 10.4 tests
--echo #

4
sql-common/my_time.c
View File

@ -1728,7 +1728,11 @@ longlong number_to_datetime_or_date(longlong nr, ulong sec_part,
!check_date(time_res, nr || sec_part, flags, was_cut))
{
if (time_res->time_type == MYSQL_TIMESTAMP_DATE && sec_part != 0)
{
/* Date format, but with fractional digits, e.g. 20010203.5 */
*was_cut= MYSQL_TIME_NOTE_TRUNCATED;
time_res->second_part= 0;
}
return nr;
}