Bug 131011 Support running query based on report document data
Data Engine should support running a query based on data set and expression data stored in a report document. This bugzilla entry serves as a repository for design docs and notes related to this feature.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ResultIterator.java
resultIterator.skipToEnd( i + 1 );
						break;
					}
				}
			} while ( odiResult.next( ) );
			return false;
		}
		/**
		 * @param groupKeyValues
		 * @param columnExprs
		 * @param i
		 * @return
		 * @throws BirtException
		 */
		private boolean groupKeyValuesEqual(
				org.eclipse.birt.data.engine.odi.IResultIterator odiResult,
				Object[] groupKeyValues, String[] columnExprs, int i )
				throws BirtException
		{
			Object fieldValue = null;
			
			Context cx = Context.enter( );
			fieldValue = ScriptEvalUtil.evalExpr( new ScriptExpression( columnExprs[i] ),
					cx,
					ResultIterator.this.scope,
					"Filter",
					0 );
			Context.exit( );