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
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    private static Time toSqlTime( int hour, int minute, int second )
    {
    	Calendar calendar = Calendar.getInstance( );
		calendar.clear( );
		calendar.set( Calendar.HOUR_OF_DAY, hour );
		calendar.set( Calendar.MINUTE, minute );
		calendar.set( Calendar.SECOND, second );
		return new java.sql.Time( calendar.getTimeInMillis( ) );
    }
    
    /**
     * 
     * @param c
     * @return
     */
    private static boolean isDigitTen( char c )
	{
		if ( c <= '9' && c >= '0' )
			return true;
		return false;
	}
    
    /**
	 * 
	 * @param date
	 * @return
	 */
    private static java.sql.Time toSqlTime( Date date )
    {