Commit d2a0a879 authored by unknown's avatar unknown
Browse files

ndb - fix ha_ndb crash on ordered index on nullable varchar 


mysql-test/r/ndb_index_ordered.result:
  fix ha_ndb crash on ordered index on nullable varchar
mysql-test/t/ndb_index_ordered.test:
  fix ha_ndb crash on ordered index on nullable varchar
sql/ha_ndbcluster.cc:
  fix ha_ndb crash on ordered index on nullable varchar
parent b5f87344

mysql-test/r/ndb_index_ordered.result

+6 −0
Original line number Diff line number Diff line
@@ -652,3 +652,9 @@ show tables; 
Tables_in_test

t1

drop table t1;

create table t1 (a int, c varchar(10),

primary key using hash (a), index(c)) engine=ndb;

insert into t1 (a, c) values (1,'aaa'),(3,'bbb');

select count(*) from t1 where c<'bbb';

count(*)

1

mysql-test/t/ndb_index_ordered.test

+6 −0
Original line number Diff line number Diff line
@@ -349,4 +349,10 @@ select a from t1 where b = 2; 
show tables;

drop table t1;



# mysqld 5.0.13 crash, no bug#

create table t1 (a int, c varchar(10),

  primary key using hash (a), index(c)) engine=ndb;

insert into t1 (a, c) values (1,'aaa'),(3,'bbb');

select count(*) from t1 where c<'bbb';



# End of 4.1 tests

sql/ha_ndbcluster.cc

+1 −1
Original line number Diff line number Diff line
@@ -1214,7 +1214,7 @@ inline ulong ha_ndbcluster::index_flags(uint idx_no, uint part, 


static void shrink_varchar(Field* field, const byte* & ptr, char* buf)

{

  if (field->type() == MYSQL_TYPE_VARCHAR) {

  if (field->type() == MYSQL_TYPE_VARCHAR && ptr != NULL) {

    Field_varstring* f= (Field_varstring*)field;

    if (f->length_bytes == 1) {

      uint pack_len= field->pack_length();