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
}
		Class fieldClass = null;
		switch ( odaDataTypeCode )
		{
			case Types.CHAR :
				fieldClass = String.class;
				break;
			case Types.INTEGER :
				fieldClass = Integer.class;
				break;
			case Types.DOUBLE :
				fieldClass = Double.class;
				break;
			case Types.DECIMAL :
				fieldClass = BigDecimal.class;
				break;
			case Types.DATE :
				fieldClass = java.sql.Date.class;
				break;
			case Types.TIME :
				fieldClass = Time.class;
				break;
			case Types.TIMESTAMP :
				fieldClass = Timestamp.class;
				break;
			case Types.BLOB :
				fieldClass = Blob.class;
				break;
			case Types.CLOB :
				fieldClass = Clob.class;