Bug 186502 Support more dateTimeLevelType for cube
Model has added more dateTimeLevelType on cube definition. Current available types are: year, quarter, month, week-of-month, week-of-year, day-of-week, day-of-month, day-of-year, hour, minute, second. This need Dte to provide corresponding support as well.
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataSetIterator.java
{
				ColumnMeta columnMeta = (ColumnMeta) columnMetas.get( i );
				columnMeta.setIndex( i + 1 );
				this.columnMetaMap.put( columnMeta.getName( ), columnMeta );
				this.indexMap.put( new Integer( i + 1 ), columnMeta );
				if ( columnMeta.isLevelKey( ))
				{
					this.nullValueReplacer[i] = createNullValueReplacer( columnMeta.getType( ));
				}
			}
		}
		/**
		 * 
		 * @param fieldName
		 * @return
		 */
		public int getFieldIndex( String fieldName )
		{
			return ( (ColumnMeta) this.columnMetaMap.get( fieldName ) ).getIndex( );
		}
		/**
		 * 
		 * @param fieldName
		 * @return
		 */
		public int getFieldType( String fieldName )
		{
			return ( (ColumnMeta) this.columnMetaMap.get( fieldName ) ).getType( );
		}
		/**