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
if ( evaValue instanceof String )
		{
			String stringValue = evaValue.toString( );
			try
			{
				
				value = Integer.valueOf( stringValue );
			}
			catch ( NumberFormatException e1 )
			{
				try
				{
					Double ddValue = Double.valueOf( stringValue );
					int intValue = ddValue.intValue( );
					double doubleValue = ddValue.doubleValue( );
					
					
					if ( Math.abs( intValue - doubleValue ) < 0.0000001 )
					{
						value = Integer.valueOf( String.valueOf( intValue ) );
					}
					else
					{
						value = null;
					}
				}
				catch ( NumberFormatException e2 )
				{
					value = null;
				}