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
try
					{
						
						value = new BigDecimal( stringValue );
					}
					catch ( NumberFormatException e2 )
					{
						try
						{
							
							value = toDate( stringValue );
						}
						catch ( BirtException e3 )
						{
							value = evaValue;
						}
					}
				}
			}
		}
		return value;
	}
	/**
	 * convert object to Integer. If fails, return null. 
	 * Object -> Integer
	 */
	public static Integer toIntegerValue( Object evaValue )
	{
		
		Integer value = null;