MDEV-5975 Prepared statements with DATE literals do not honor NO_ZERO_IN_DATE

mysql-test/r/temporal_literal.result

@@ -613,3 +613,31 @@ t1	CREATE TABLE `t1` (
   `TIMESTAMP'2001-01-00 00:00:00'` datetime DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 DROP TABLE t1;
+#
+# MDEV-5975 Prepared statements with DATE literals do not honor NO_ZERO_IN_DATE
+#
+SET sql_mode=DEFAULT;
+PREPARE stmt FROM "SELECT (SELECT DATE'2001-00-00') AS c";
+EXECUTE stmt;
+c
+2001-00-00
+SET sql_mode='no_zero_in_date';
+EXECUTE stmt;
+c
+NULL
+Warnings:
+Warning	1292	Incorrect datetime value: '2001-00-00'
+DEALLOCATE PREPARE stmt;
+SET sql_mode=DEFAULT;
+PREPARE stmt FROM "SELECT (SELECT TIMESTAMP'2001-00-00 10:20:30') AS c";
+EXECUTE stmt;
+c
+2001-00-00 10:20:30
+SET sql_mode='no_zero_in_date';
+EXECUTE stmt;
+c
+NULL
+Warnings:
+Warning	1292	Incorrect datetime value: '2001-00-00 10:20:30'
+DEALLOCATE PREPARE stmt;
+SET sql_mode=DEFAULT;

mysql-test/t/temporal_literal.test

@@ -326,3 +326,21 @@ CREATE TABLE t1 AS SELECT
   TIMESTAMP'2001-01-00 00:00:00';
 SHOW CREATE TABLE t1;
 DROP TABLE t1;
+
+--echo #
+--echo # MDEV-5975 Prepared statements with DATE literals do not honor NO_ZERO_IN_DATE
+--echo #
+SET sql_mode=DEFAULT;
+PREPARE stmt FROM "SELECT (SELECT DATE'2001-00-00') AS c";
+EXECUTE stmt;
+SET sql_mode='no_zero_in_date';
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+SET sql_mode=DEFAULT;
+PREPARE stmt FROM "SELECT (SELECT TIMESTAMP'2001-00-00 10:20:30') AS c";
+EXECUTE stmt;
+SET sql_mode='no_zero_in_date';
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+SET sql_mode=DEFAULT;

sql/item.cc

@@ -6509,6 +6509,7 @@ void Item_date_literal::print(String *str, enum_query_type query_type)
 bool Item_date_literal::get_date(MYSQL_TIME *ltime, ulonglong fuzzy_date)
 {
   DBUG_ASSERT(fixed);
+  fuzzy_date |= sql_mode_for_dates(current_thd);
   *ltime= cached_time;
   return (null_value= check_date_with_warn(ltime, fuzzy_date,
                                            MYSQL_TIMESTAMP_ERROR));
@@ -6528,6 +6529,7 @@ void Item_datetime_literal::print(String *str, enum_query_type query_type)
 bool Item_datetime_literal::get_date(MYSQL_TIME *ltime, ulonglong fuzzy_date)
 {
   DBUG_ASSERT(fixed);
+  fuzzy_date |= sql_mode_for_dates(current_thd);
   *ltime= cached_time;
   return (null_value= check_date_with_warn(ltime, fuzzy_date,
                                            MYSQL_TIMESTAMP_ERROR));