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
secondColon <= 0 || secondColon >= s.length( ) - 1 )
		{
			throw new java.lang.IllegalArgumentException( );
		}
		hour = Integer.parseInt( s.substring( 0, firstColon ) );
		if ( hour < 0 ||
				( hour > 12 && markerValue != null && markerValue.length( ) > 0 ) )
			throw new java.lang.IllegalArgumentException( );
		hour += addHour;
		if( hour > 24 )
			throw new java.lang.IllegalArgumentException( );
		minute = Integer.parseInt( s.substring( firstColon + 1, secondColon ) );
		if( minute < 0 || minute > 60 )
			throw new java.lang.IllegalArgumentException( );
		if ( marker < s.length( ) )
			second = Integer.parseInt( s.substring( secondColon + 1, marker ) );
		else
			second = Integer.parseInt( s.substring( secondColon + 1 ) );
		if( second < 0 || second > 60 )
			throw new java.lang.IllegalArgumentException( );
		
		return toSqlTime( hour, minute, second );
	}
    
    /**
     * 
     * @param hour
     * @param minute
     * @param second
     * @return