Bug 188803 The interval of datetime type level dosen't work[1102]
Description: The interval of datetime type level dosen't work[1102] Build number: 2.2.0.v20070524-0630 Steps to reproduce: 1, New a cube with datetime type levels 2, Specify the interval such as 2 on month level 3, New a crosstab using the cube 4, Preview Expected result: The month is group based on 2 interval Actual result: No effect after specify the interval of month Error log:
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataRequestSessionImpl.java
Iterator it = level.attributesIterator( );
				while( it.hasNext( ) )
				{
					LevelAttributeHandle levelAttr = (LevelAttributeHandle)it.next( );
					levelKeys.add( OlapExpressionUtil.getAttributeColumnName( level.getName( ),
							levelAttr.getName( ) ) );
				}
				if ( level.getDisplayColumnName( ) != null )
				{
					levelKeys.add( OlapExpressionUtil.getDisplayColumnName( level.getName( ) ) );
				}
				leafLevelKeyColumn[k] = level.getName( );
				
				levelInHier[k] = CubeElementFactory.createLevelDefinition( level.getName( ),
						new String[]{
							level.getName( )
						},
						this.toStringArray( levelKeys ) );
			}
			
			createLeafLevel( levels, levelInHier, leafLevelKeyColumn );
		
			iHiers.add( cubeMaterializer.createHierarchy( dim.getName( ), hierhandle.getName( ),
					new DataSetIterator( this, hierhandle ),
					levelInHier ) );
		}
		return cubeMaterializer.createDimension( dim.getName( ),
				(IHierarchy) iHiers.get( 0 ) ) ;
	}
	/**