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
throw new CoreException(
					ResourceConstants.CONVERT_FAILS,
					new Object[]{
							source.toString( ), "Date"
					});
		}
	}
    
    /**
     * Date -> Time
     * String -> Time
     * @param source
     * @return
     * @throws BirtException
     */
    public static Time toSqlTime( Object source ) throws BirtException
    {
        if ( source == null )
            return null;
        if ( source instanceof Date )
        {
       		return toSqlTime( (Date)source);
        }
        else if ( source instanceof String )
        {
            try
            {
                return toSqlTime( toDate((String ) source) );
            }
            catch( Exception e )