public void RenderHavingClausesOr()
{
Column column1 = new Column("Column1");
Column column2 = new Column("Column2");
StringLiteralValue stringLiteralValue1 = new StringLiteralValue("Value1");
StringLiteralValue stringLiteralValue2 = new StringLiteralValue("Value2");
ComparisonPredicate comparisonPredicate1 = new ComparisonPredicate(column1, ComparisonPredicateType.Equals, stringLiteralValue1);
ComparisonPredicate comparisonPredicate2 = new ComparisonPredicate(column2, ComparisonPredicateType.Equals, stringLiteralValue2);
HavingClause havingClause1 = new HavingClause(comparisonPredicate1);
HavingClause havingClause2 = new HavingClause(comparisonPredicate2);
HavingClauses havingClauses = new HavingClauses(havingClause1, BooleanOperatorType.Or, havingClause2);
Assert.AreEqual("([Column1] = 'Value1' OR [Column2] = 'Value2')", sqlClientRenderer.Render(havingClauses));
}
public void AddHavingClauses()
{
Column column1 = new Column("Column1");
Column column2 = new Column("Column2");
StringLiteralValue stringLiteralValue1 = new StringLiteralValue("Value1");
StringLiteralValue stringLiteralValue2 = new StringLiteralValue("Value2");
ComparisonPredicate comparisonPredicate1 = new ComparisonPredicate(column1, ComparisonPredicateType.Equals, stringLiteralValue1);
ComparisonPredicate comparisonPredicate2 = new ComparisonPredicate(column2, ComparisonPredicateType.Equals, stringLiteralValue2);
HavingClause havingClause1 = new HavingClause(comparisonPredicate1);
HavingClause havingClause2 = new HavingClause(comparisonPredicate2);
HavingClauses havingClauses = new HavingClauses(havingClause1, BooleanOperatorType.And, havingClause2);
Assert.AreEqual(havingClause1, havingClauses.LeftClause);
Assert.AreEqual(BooleanOperatorType.And, havingClauses.OperatorType);
Assert.AreEqual(havingClause2, havingClauses.RightClause);
}
public override string Render(HavingClauses havingClauses)
{
if (havingClauses.LeftClause == null)
{
return(havingClauses.RightClause.Render(this));
}
else if (havingClauses.RightClause == null)
{
return(havingClauses.LeftClause.Render(this));
}
else
{
StringBuilder text = new StringBuilder();
text.AppendFormat("({0} ", havingClauses.LeftClause.Render(this));
text.AppendFormat("{0} ", havingClauses.OperatorType.ToString().ToUpper());
text.AppendFormat("{0}) ", havingClauses.RightClause.Render(this));
return(text.ToString().Trim());
}
}
/// <summary>
/// Adds the having.
/// </summary>
/// <param name="clause">The clause.</param>
public void AddHaving(WhereClause clause)
{
HavingClauses.Add(clause);
}
public abstract string Render(HavingClauses havingClauses);
