Commit 76374fe5 authored by unknown's avatar unknown
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Fix for bug#16901 Partitions: crash, SELECT, column of part. function=first column of primary key 

  use part_info->no_subparts to calculate partition range in case of subpartitions


mysql-test/r/partition.result:
  Fix for bug#16901 Partitions: crash, SELECT, column of part. function=first column of primary key
    test case
mysql-test/t/partition.test:
  Fix for bug#16901 Partitions: crash, SELECT, column of part. function=first column of primary key
    test case
parent 67c719fa

mysql-test/r/partition.result

+11 −0
Original line number Diff line number Diff line
@@ -278,3 +278,14 @@ partition p1 values in (14) 
insert into t1 values (10,1);

ERROR HY000: Table has no partition for value 11

drop table t1;

create table t1 (f1 integer,f2 integer, f3 varchar(10), primary key(f1,f2))

partition by range(f1) subpartition by hash(f2) subpartitions 2

(partition p1 values less than (0),

partition p2 values less than (2),

partition p3 values less than (2147483647));

insert into t1 values(10,10,'10');

insert into t1 values(2,2,'2');

select * from t1 where f1 = 2;

f1	f2	f3

2	2	2

drop table t1;

mysql-test/t/partition.test

+15 −0
Original line number Diff line number Diff line
@@ -353,3 +353,18 @@ insert into t1 values (10,1); 


drop table t1;



#

# Bug#16901 Partitions: crash, SELECT, column of part.

#           function=first column of primary key

#

create table t1 (f1 integer,f2 integer, f3 varchar(10), primary key(f1,f2))

partition by range(f1) subpartition by hash(f2) subpartitions 2

(partition p1 values less than (0),

 partition p2 values less than (2),

 partition p3 values less than (2147483647));



insert into t1 values(10,10,'10');

insert into t1 values(2,2,'2');

select * from t1 where f1 = 2;

drop table t1;

sql/sql_partition.cc

+1 −1
Original line number Diff line number Diff line
@@ -3754,7 +3754,7 @@ void get_partition_set(const TABLE *table, byte *buf, const uint index, 
        subpartitions. This is a range without holes.

      */

      DBUG_ASSERT(sub_part == no_parts);

      part_spec->start_part= part_part * part_info->no_parts;

      part_spec->start_part= part_part * part_info->no_subparts;

      part_spec->end_part= part_spec->start_part+part_info->no_subparts - 1;

    }

    else