Bug 213959 [Regression]Blob computed column doesn't work
Description: [Regression]Blob type computed column doesn't work Build number: 2.3.0.v20071228-1005 Steps to reproduce: 1, New a sampleDB from table PRODUCTLINE 2, New a computed column A; type is Blob; expression is row["IMAGE"] 3, Preview in dataset Expected result: The dataset can be preview ok Actual result: Error happened Error log: A BIRT exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Data Engine Plug-in ID:org.eclipse.birt.data Version:2.3.0.v20071228-1005 Error Code:data.engine.CompCol.FailRetrieveValueComputedColumn Error Message:Fail to compute value for computed column "AAA". Can not convert the value of [B@1a9efcd to Blob type.
core/org.eclipse.birt.core/src/org/eclipse/birt/core/data/DataTypeUtil.java
try
				{
					Number number = NumberFormat.getInstance( ULocale.getDefault( ) )
							.parse( (String) source );
					if( number != null )
						return new Double( number.doubleValue( ));
					
					throw new CoreException( ResourceConstants.CONVERT_FAILS,
							new Object[]{
									source.toString( ), "Double"
							} );
				}
				catch ( ParseException e1 )
				{
					throw new CoreException( ResourceConstants.CONVERT_FAILS,
							new Object[]{
									source.toString( ), "Double"
							} );
				}
			}
		}
		else
		{
			throw new CoreException(
					ResourceConstants.CONVERT_FAILS,
					new Object[]{
							source.toString( ), "Double"
					});
		}
	}