Added checks for no NULL values in VALUES LESS THAN, added tests for no MAXVALUE in VALUES IN

mysql-test/r/partition_column.result

 drop table if exists t1;
 create table t1 (a int, b int)
+partition by range column_list (a,b)
+(partition p0 values less than (NULL, maxvalue));
+ERROR HY000: Not allowed to use NULL value in VALUES LESS THAN
+create table t1 (a int, b int)
+partition by list column_list(a,b)
+( partition p0 values in ((maxvalue, 0)));
+Got one of the listed errors
+create table t1 (a int, b int)
 partition by key (a,a);
 ERROR HY000: Duplicate partition field name a
 create table t1 (a int, b int)
@@ -144,17 +152,17 @@ create table t1 (a int, b char(10), c varchar(25), d datetime)
 partition by range column_list(a,b,c,d)
 subpartition by hash (to_seconds(d))
 subpartitions 4
-( partition p0 values less than (1, NULL, MAXVALUE, NULL),
+( partition p0 values less than (1, 0, MAXVALUE, 0),
 partition p1 values less than (1, 'a', MAXVALUE, TO_DAYS('1999-01-01')),
 partition p2 values less than (1, 'a', MAXVALUE, MAXVALUE),
 partition p3 values less than (1, MAXVALUE, MAXVALUE, MAXVALUE));
 select partition_method, partition_expression, partition_description
 from information_schema.partitions where table_name = "t1";
 partition_method	partition_expression	partition_description
-RANGE COLUMN_LIST	a,b,c,d	1,NULL,MAXVALUE,NULL
-RANGE COLUMN_LIST	a,b,c,d	1,NULL,MAXVALUE,NULL
-RANGE COLUMN_LIST	a,b,c,d	1,NULL,MAXVALUE,NULL
-RANGE COLUMN_LIST	a,b,c,d	1,NULL,MAXVALUE,NULL
+RANGE COLUMN_LIST	a,b,c,d	1,0,MAXVALUE,0
+RANGE COLUMN_LIST	a,b,c,d	1,0,MAXVALUE,0
+RANGE COLUMN_LIST	a,b,c,d	1,0,MAXVALUE,0
+RANGE COLUMN_LIST	a,b,c,d	1,0,MAXVALUE,0
 RANGE COLUMN_LIST	a,b,c,d	1,'a',MAXVALUE,730120
 RANGE COLUMN_LIST	a,b,c,d	1,'a',MAXVALUE,730120
 RANGE COLUMN_LIST	a,b,c,d	1,'a',MAXVALUE,730120
@@ -233,7 +241,7 @@ partition p1 values less than ('2040-01-01'));
 ERROR HY000: Partition column values of incorrect type
 create table t1 (a int, b int)
 partition by range column_list(a,b)
-(partition p0 values less than (null, 10));
+(partition p0 values less than (maxvalue, 10));
 drop table t1;
 create table t1 (d date)
 partition by range column_list(d)
@@ -268,7 +276,7 @@ drop table t1;
 create table t1 (a int, b int)
 partition by list column_list(a,b)
 (partition p0 values in ((maxvalue,maxvalue)));
-ERROR 42000: Cannot use MAXVALUE as value in List partitioning near 'maxvalue,maxvalue)))' at line 3
+ERROR 42000: Cannot use MAXVALUE as value in VALUES IN near 'maxvalue,maxvalue)))' at line 3
 create table t1 (a int, b int)
 partition by range column_list(a,b)
 (partition p0 values less than (maxvalue,maxvalue));
@@ -309,11 +317,11 @@ partition by range column_list(a,b)
 ERROR HY000: Inconsistency in usage of column lists for partitioning
 create table t1 (a int, b int)
 partition by range column_list(a,b)
-(partition p0 values less than (1, NULL),
+(partition p0 values less than (1, 0),
 partition p1 values less than (2, maxvalue),
 partition p2 values less than (3, 3),
-partition p3 values less than (10, NULL));
-insert into t1 values (10,0);
+partition p3 values less than (10, maxvalue));
+insert into t1 values (11,0);
 ERROR HY000: Table has no partition for value from column_list
 insert into t1 values (0,1),(1,1),(2,1),(3,1),(3,4),(4,9),(9,1);
 select * from t1;

mysql-test/t/partition_column.test

@@ -8,6 +8,16 @@
 drop table if exists t1;
 --enable_warnings
 
+--error ER_NULL_IN_VALUES_LESS_THAN
+create table t1 (a int, b int)
+partition by range column_list (a,b)
+(partition p0 values less than (NULL, maxvalue));
+
+--error ER_MAXVALUE_IN_VALUES_IN, ER_PARSE_ERROR
+create table t1 (a int, b int)
+partition by list column_list(a,b)
+( partition p0 values in ((maxvalue, 0)));
+
 #
 # BUG#47837, Crash when two same fields in column list processing
 #
@@ -115,7 +125,7 @@ create table t1 (a int, b char(10), c varchar(25), d datetime)
 partition by range column_list(a,b,c,d)
 subpartition by hash (to_seconds(d))
 subpartitions 4
-( partition p0 values less than (1, NULL, MAXVALUE, NULL),
+( partition p0 values less than (1, 0, MAXVALUE, 0),
   partition p1 values less than (1, 'a', MAXVALUE, TO_DAYS('1999-01-01')),
   partition p2 values less than (1, 'a', MAXVALUE, MAXVALUE),
   partition p3 values less than (1, MAXVALUE, MAXVALUE, MAXVALUE));
@@ -168,7 +178,7 @@ partition by range column_list(d)
 
 create table t1 (a int, b int)
 partition by range column_list(a,b)
-(partition p0 values less than (null, 10));
+(partition p0 values less than (maxvalue, 10));
 drop table t1;
 
 create table t1 (d date)
@@ -250,13 +260,13 @@ partition by range column_list(a,b)
 
 create table t1 (a int, b int)
 partition by range column_list(a,b)
-(partition p0 values less than (1, NULL),
+(partition p0 values less than (1, 0),
  partition p1 values less than (2, maxvalue),
  partition p2 values less than (3, 3),
- partition p3 values less than (10, NULL));
+ partition p3 values less than (10, maxvalue));
 
 -- error ER_NO_PARTITION_FOR_GIVEN_VALUE
-insert into t1 values (10,0);
+insert into t1 values (11,0);
 insert into t1 values (0,1),(1,1),(2,1),(3,1),(3,4),(4,9),(9,1);
 select * from t1;
 

sql/partition_info.cc

@@ -1992,7 +1992,7 @@ int partition_info::fix_parser_data(THD *thd)
   partition_element *part_elem;
   part_elem_value *val;
   uint num_elements;
-  uint i= 0, j;
+  uint i= 0, j, k;
   int result;
   DBUG_ENTER("partition_info::fix_parser_data");
 
@@ -2020,6 +2020,15 @@ int partition_info::fix_parser_data(THD *thd)
           my_error(ER_PARTITION_COLUMN_LIST_ERROR, MYF(0));
           DBUG_RETURN(TRUE);
         }
+        for (k= 0; k < num_columns; k++)
+        {
+          part_column_list_val *col_val= &val->col_val_array[k];
+          if (col_val->null_value && part_type == RANGE_PARTITION)
+          {
+            my_error(ER_NULL_IN_VALUES_LESS_THAN, MYF(0));
+            DBUG_RETURN(TRUE);
+          }
+        }
       }
       else
       {

sql/share/errmsg.txt

@@ -6214,8 +6214,8 @@ ER_WRONG_TYPE_COLUMN_VALUE_ERROR
   eng "Partition column values of incorrect type"
 ER_TOO_MANY_PARTITION_FUNC_FIELDS_ERROR
   eng "Too many fields in '%-.192s'"
-ER_MAXVALUE_IN_LIST_PARTITIONING_ERROR
-  eng "Cannot use MAXVALUE as value in List partitioning"
+ER_MAXVALUE_IN_VALUES_IN
+  eng "Cannot use MAXVALUE as value in VALUES IN"
 ER_TOO_MANY_VALUES_ERROR
   eng "Cannot have more than one value for this type of %-.64s partitioning"
 ER_ROW_SINGLE_PARTITION_FIELD_ERROR

sql/sql_yacc.yy

@@ -4229,7 +4229,7 @@ part_value_expr_item:
             part_column_list_val *col_val;
             if (part_info->part_type == LIST_PARTITION)
             {
-              my_parse_error(ER(ER_MAXVALUE_IN_LIST_PARTITIONING_ERROR));
+              my_parse_error(ER(ER_MAXVALUE_IN_VALUES_IN));
               MYSQL_YYABORT;
             }
             if (part_info->add_max_value())