Commit 48e2d224 authored by unknown's avatar unknown
Browse files

added test to trigger drifferent fragmentations in ndb 

    corrected documentation on fragmentation
    set "fragmentation medium" to mean 2 fragments per node instead of 1
    set default fragmentation to small instead of medium
    bug#8284 adjust fragmentation to max_rows


mysql-test/r/ndb_basic.result:
  added test to trigger drifferent fragmentations in ndb
mysql-test/t/ndb_basic.test:
  added test to trigger drifferent fragmentations in ndb
ndb/include/ndbapi/NdbDictionary.hpp:
  corrected documentation on fragmentation
ndb/src/kernel/blocks/dbdih/DbdihMain.cpp:
  set "fragmentation medium" to mean 2 fragments per node instead of 1
ndb/src/ndbapi/NdbDictionaryImpl.cpp:
  set default fragmentation to small instead of medium
sql/ha_ndbcluster.cc:
  bug#8284 adjust fragmentation to max_rows
parent 876b4a59

mysql-test/r/ndb_basic.result

+34 −0
Original line number Diff line number Diff line
@@ -573,3 +573,37 @@ select * from t1 where a12345678901234567890123456789a1234567890=2; 
a1234567890123456789012345678901234567890	a12345678901234567890123456789a1234567890

5	2

drop table t1;

create table t1

(a bigint, b bigint, c bigint, d bigint, 

primary key (a,b,c,d)) 

engine=ndb

max_rows=200000000;

Warnings:

Warning	1105	Ndb might have problems storing the max amount of rows specified

insert into t1 values

(1,2,3,4),(2,3,4,5),(3,4,5,6),

(3,2,3,4),(1,3,4,5),(2,4,5,6),

(1,2,3,5),(2,3,4,8),(3,4,5,9),

(3,2,3,5),(1,3,4,8),(2,4,5,9),

(1,2,3,6),(2,3,4,6),(3,4,5,7),

(3,2,3,6),(1,3,4,6),(2,4,5,7),

(1,2,3,7),(2,3,4,7),(3,4,5,8),

(3,2,3,7),(1,3,4,7),(2,4,5,8),

(1,3,3,4),(2,4,4,5),(3,5,5,6),

(3,3,3,4),(1,4,4,5),(2,5,5,6),

(1,3,3,5),(2,4,4,8),(3,5,5,9),

(3,3,3,5),(1,4,4,8),(2,5,5,9),

(1,3,3,6),(2,4,4,6),(3,5,5,7),

(3,3,3,6),(1,4,4,6),(2,5,5,7),

(1,3,3,7),(2,4,4,7),(3,5,5,8),

(3,3,3,7),(1,4,4,7),(2,5,5,8);

select count(*) from t1;

count(*)

48

drop table t1;

create table t1

(a bigint, b bigint, c bigint, d bigint, 

primary key (a)) 

engine=ndb

max_rows=1;

drop table t1;

mysql-test/t/ndb_basic.test

+38 −0
Original line number Diff line number Diff line
@@ -539,3 +539,41 @@ insert into t1 values (1,1),(2,1),(3,1),(4,1),(5,2),(6,1),(7,1); 
explain select * from t1 where a12345678901234567890123456789a1234567890=2;

select * from t1 where a12345678901234567890123456789a1234567890=2;

drop table t1;



#

# test fragment creation

#

# first a table with _many_ fragments per node group

# then a table with just one fragment per node group

#

create table t1

  (a bigint, b bigint, c bigint, d bigint, 

   primary key (a,b,c,d)) 

  engine=ndb

  max_rows=200000000;

insert into t1 values

  (1,2,3,4),(2,3,4,5),(3,4,5,6),

  (3,2,3,4),(1,3,4,5),(2,4,5,6),

  (1,2,3,5),(2,3,4,8),(3,4,5,9),

  (3,2,3,5),(1,3,4,8),(2,4,5,9),

  (1,2,3,6),(2,3,4,6),(3,4,5,7),

  (3,2,3,6),(1,3,4,6),(2,4,5,7),

  (1,2,3,7),(2,3,4,7),(3,4,5,8),

  (3,2,3,7),(1,3,4,7),(2,4,5,8),

  (1,3,3,4),(2,4,4,5),(3,5,5,6),

  (3,3,3,4),(1,4,4,5),(2,5,5,6),

  (1,3,3,5),(2,4,4,8),(3,5,5,9),

  (3,3,3,5),(1,4,4,8),(2,5,5,9),

  (1,3,3,6),(2,4,4,6),(3,5,5,7),

  (3,3,3,6),(1,4,4,6),(2,5,5,7),

  (1,3,3,7),(2,4,4,7),(3,5,5,8),

  (3,3,3,7),(1,4,4,7),(2,5,5,8);

select count(*) from t1;

drop table t1;



create table t1

  (a bigint, b bigint, c bigint, d bigint, 

   primary key (a)) 

  engine=ndb

  max_rows=1;

drop table t1;

ndb/include/ndbapi/NdbDictionary.hpp

+3 −3
Original line number Diff line number Diff line
@@ -141,9 +141,9 @@ public: 
    enum FragmentType { 

      FragUndefined = 0,      ///< Fragmentation type undefined or default

      FragSingle = 1,         ///< Only one fragment

      FragAllSmall = 2,       ///< One fragment per node group

      FragAllMedium = 3,      ///< Default value. Two fragments per node group.

      FragAllLarge = 4        ///< Eight fragments per node group.

      FragAllSmall = 2,       ///< One fragment per node, default

      FragAllMedium = 3,      ///< two fragments per node

      FragAllLarge = 4        ///< Four fragments per node.

    };

  };

ndb/src/kernel/blocks/dbdih/DbdihMain.cpp

+1 −1
Original line number Diff line number Diff line
@@ -6178,7 +6178,7 @@ void Dbdih::execCREATE_FRAGMENTATION_REQ(Signal * signal){ 
      break;

    case DictTabInfo::AllNodesMediumTable:

      jam();

      noOfFragments = csystemnodes;

      noOfFragments = 2 * csystemnodes;

      break;

    case DictTabInfo::AllNodesLargeTable:

      jam();

ndb/src/ndbapi/NdbDictionaryImpl.cpp

+1 −1
Original line number Diff line number Diff line
@@ -284,7 +284,7 @@ void 
NdbTableImpl::init(){

  clearNewProperties();

  m_frm.clear();

  m_fragmentType = NdbDictionary::Object::FragAllMedium;

  m_fragmentType = NdbDictionary::Object::FragAllSmall;

  m_logging = true;

  m_kvalue = 6;

  m_minLoadFactor = 78;