Fixed sql_mode issue in BUG#48164, will ignore sql_mode when generating...

Fixed sql_mode issue in BUG#48164, will ignore sql_mode when generating constants, also warnings will not be tolerated

mysql-test/r/partition_column.result

 drop table if exists t1;
+set @@sql_mode=allow_invalid_dates;
+create table t1 (a char, b char, c date)
+partition by range column_list (a,b,c)
+( partition p0 values less than (0,0,to_days('3000-11-31')));
+ERROR HY000: Partition column values of incorrect type
+create table t1 (a char, b char, c date)
+partition by range column_list (a,b,c)
+( partition p0 values less than (0,0,'3000-11-31'));
+ERROR HY000: Partition column values of incorrect type
+set @@sql_mode='';
 create table t1 (a varchar(2) character set ucs2)
 partition by list column_list (a)
 (partition p0 values in (0x2020),

mysql-test/t/partition_column.test

@@ -8,6 +8,21 @@
 drop table if exists t1;
 --enable_warnings
 
+#
+# BUG#48165, sql_mode gives error
+#
+set @@sql_mode=allow_invalid_dates;
+--error ER_WRONG_TYPE_COLUMN_VALUE_ERROR
+create table t1 (a char, b char, c date)
+partition by range column_list (a,b,c)
+( partition p0 values less than (0,0,to_days('3000-11-31')));
+
+--error ER_WRONG_TYPE_COLUMN_VALUE_ERROR
+create table t1 (a char, b char, c date)
+partition by range column_list (a,b,c)
+( partition p0 values less than (0,0,'3000-11-31'));
+set @@sql_mode='';
+
 #
 # BUG#48163, Dagger in UCS2 not working as partition value
 #

sql/partition_info.cc

@@ -1949,18 +1949,28 @@ bool partition_info::fix_column_value_functions(THD *thd,
       {
         uchar *val_ptr;
         uint len= field->pack_length();
+        ulong save_sql_mode;
+        bool save_got_warning;
+
         if (!(column_item= get_column_item(column_item,
                                            field)))
         {
           result= TRUE;
           goto end;
         }
-        if (column_item->save_in_field(field, TRUE))
+        save_sql_mode= thd->variables.sql_mode;
+        thd->variables.sql_mode= 0;
+        save_got_warning= thd->got_warning;
+        thd->got_warning= 0;
+        if (column_item->save_in_field(field, TRUE) ||
+            thd->got_warning)
         {
           my_error(ER_WRONG_TYPE_COLUMN_VALUE_ERROR, MYF(0));
           result= TRUE;
           goto end;
         }
+        thd->got_warning= save_got_warning;
+        thd->variables.sql_mode= save_sql_mode;
         if (!(val_ptr= (uchar*) sql_calloc(len)))
         {
           mem_alloc_error(len);