public void Sort_TwoFieldsAscending()
{
//---------------Set up test pack-------------------
var resultSet = new QueryResult();
resultSet.AddField("Name");
resultSet.AddField("Age");
resultSet.AddResult(new object[] { "Bob", 21 });
resultSet.AddResult(new object[] { "Bob", 19 });
resultSet.AddResult(new object[] { "Peter", 40 });
resultSet.AddResult(new object[] { "Peter", 30 });
var orderCriteria = OrderCriteria.FromString("Name, Age");
var sorter = new QueryResultSorter();
//---------------Execute Test ----------------------
sorter.Sort(resultSet, orderCriteria);
//---------------Test Result -----------------------
var rows = resultSet.Rows.ToList();
Assert.AreEqual("Bob", rows[0].Values[0]);
Assert.AreEqual(19, rows[0].Values[1]);
Assert.AreEqual("Bob", rows[1].Values[0]);
Assert.AreEqual(21, rows[1].Values[1]);
Assert.AreEqual("Peter", rows[2].Values[0]);
Assert.AreEqual(30, rows[2].Values[1]);
Assert.AreEqual("Peter", rows[3].Values[0]);
Assert.AreEqual(40, rows[3].Values[1]);
}
/// <summary>
/// Populates a <see cref="QueryResult"/> using the given <see cref="ISelectQuery"/>.
/// With this method you can execute a custom select query and get a result set back. If you are loading against a
/// database, the <see cref="IClassDef"/> associated to the <see cref="ISelectQuery"/> will be used to map property names
/// to database fields and will also be used to convert values that are returned from the database to the expected
/// type. This can be used to get result sets that span tables.
/// </summary>
/// <param name="selectQuery">The select query to execute</param>
/// <returns>A <see cref="QueryResult"/> that contains the results of the query</returns>
public IQueryResult GetResultSet(ISelectQuery selectQuery)
{
var classDef = selectQuery.ClassDef;
var criteria = selectQuery.Criteria;
QueryBuilder.PrepareCriteria(classDef, criteria);
//Ensure that all the criteria field sources are merged correctly
selectQuery.Criteria = criteria;
selectQuery.Fields.ForEach(pair =>
{
var field = pair.Value;
var fieldSource = field.Source;
QueryBuilder.PrepareField(fieldSource, classDef, field);
selectQuery.Source.MergeWith(field.Source);
field.Source = field.Source.ChildSourceLeaf;
});
var queryDb = new SelectQueryDB(selectQuery, _databaseConnection);
var statement = queryDb.CreateSqlStatement();
var resultSet = new QueryResult();
var propNames = selectQuery.Fields.Keys;
propNames.ForEach(resultSet.AddField);
using (IDataReader dr = _databaseConnection.LoadDataReader(statement))
{
while (dr.Read())
{
var rawValues = new object[dr.FieldCount];
dr.GetValues(rawValues);
resultSet.AddResult(rawValues);
}
}
return resultSet;
}
public void Construct()
{
//---------------Execute Test ----------------------
var result = new QueryResult();
//---------------Test Result -----------------------
Assert.IsNotNull(result.Fields);
Assert.IsNotNull(result.Rows);
Assert.AreEqual(0, result.Fields.Count());
Assert.AreEqual(0, result.Rows.Count());
}
public void AddResult_ShouldAddRowToRowsList()
{
//---------------Set up test pack-------------------
var resultSet = new QueryResult();
resultSet.AddField("Name");
var name = TestUtil.GetRandomString();
//---------------Execute Test ----------------------
resultSet.AddResult(new object[] {name});
//---------------Test Result -----------------------
var rows = resultSet.Rows.ToList();
Assert.AreEqual(1, rows.Count);
Assert.AreEqual(name, rows[0].RawValues[0]);
}
public void AddField_ShouldAddFieldToFields()
{
//---------------Set up test pack-------------------
var resultSet = new QueryResult();
const string propertyName = "Name";
//---------------Execute Test ----------------------
resultSet.AddField(propertyName);
//---------------Test Result -----------------------
var fields = resultSet.Fields.ToList();
Assert.AreEqual(1, fields.Count);
Assert.AreEqual(propertyName, fields[0].PropertyName);
Assert.AreEqual(0, fields[0].Index);
}
public void Sort_OneFieldDescending()
{
//---------------Set up test pack-------------------
var resultSet = new QueryResult();
resultSet.AddField("Name");
resultSet.AddResult(new object[] { "aaaaa" });
resultSet.AddResult(new object[] { "zzzzz" });
var orderCriteria = OrderCriteria.FromString("Name DESC");
var sorter = new QueryResultSorter();
//---------------Execute Test ----------------------
sorter.Sort(resultSet, orderCriteria);
//---------------Test Result -----------------------
var rows = resultSet.Rows.ToList();
Assert.AreEqual("zzzzz", rows[0].Values[0]);
Assert.AreEqual("aaaaa", rows[1].Values[0]);
}
public void AddField_ShouldSetIndexOfAddedField()
{
//---------------Set up test pack-------------------
var resultSet = new QueryResult();
const string propertyName1 = "Name";
resultSet.AddField(propertyName1);
const string propertyName2 = "Name2";
resultSet.AddField(propertyName2);
//---------------Execute Test ----------------------
//---------------Test Result -----------------------
var fields = resultSet.Fields.ToList();
Assert.AreEqual(2, fields.Count);
Assert.AreEqual(propertyName1, fields[0].PropertyName);
Assert.AreEqual(0, fields[0].Index);
Assert.AreEqual(propertyName2, fields[1].PropertyName);
Assert.AreEqual(1, fields[1].Index);
}
public void Sort_OneFieldAscending()
{
//---------------Set up test pack-------------------
var resultSet = new QueryResult();
resultSet.AddField("Name");
const string lastValue = "zzzzz";
const string firstValue = "aaaaa";
resultSet.AddResult(new object[] { lastValue });
resultSet.AddResult(new object[] { firstValue });
var orderCriteria = new OrderCriteria();
orderCriteria.Add("Name");
var sorter = new QueryResultSorter();
//---------------Execute Test ----------------------
sorter.Sort(resultSet, orderCriteria);
//---------------Test Result -----------------------
var rows = resultSet.Rows.ToList();
Assert.AreEqual(firstValue, rows[0].Values[0]);
Assert.AreEqual(lastValue, rows[1].Values[0]);
}
/// <summary>
/// Populates a <see cref="QueryResult"/> using the given <see cref="ISelectQuery"/>.
/// With this method you can execute a custom select query and get a result set back. If you are loading against a
/// database, the <see cref="IClassDef"/> associated to the <see cref="ISelectQuery"/> will be used to map property names
/// to database fields and will also be used to convert values that are returned from the database to the expected
/// type. This can be used to get result sets that span tables.
/// </summary>
/// <param name="selectQuery">The select query to execute</param>
/// <returns>A <see cref="QueryResult"/> that contains the results of the query</returns>
public IQueryResult GetResultSet(ISelectQuery selectQuery)
{
QueryBuilder.PrepareCriteria(selectQuery.ClassDef, selectQuery.Criteria);
var collection = _dataStore.FindAll(selectQuery.ClassDef, selectQuery.Criteria);
var resultSet = new QueryResult();
var propNames = selectQuery.Fields.Keys;
propNames.ForEach(resultSet.AddField);
foreach (IBusinessObject bo in collection)
{
var bo1 = bo;
resultSet.AddResult(
propNames.Select(s => new BOMapper(bo1).GetPropertyValueToDisplay(s))
.ToArray()
);
}
var sorter = new QueryResultSorter();
sorter.Sort(resultSet, selectQuery.OrderCriteria);
return resultSet;
}
