public void AddSkipClause(HqlExpression toSkip)
{
_skipCount = toSkip;
}
static bool IsNullable(HqlExpression original)
{
var hqlDot = original as HqlDot;
return(hqlDot != null && hqlDot.Children.Last() is HqlIdent);
}
public void AddTakeClause(HqlExpression toTake)
{
_takeCount = toTake;
}
public override HqlExpression BuildHql(HqlExpression expression, ReadOnlyCollection <HqlExpression> arguments, HqlTreeBuilder treeBuilder)
{
return(treeBuilder.Add(_transformer1.BuildHql(expression, arguments, treeBuilder), _transformer2.BuildHql(expression, arguments, treeBuilder)));
}
public override HqlExpression Convert(HqlTreeBuilder treeBuilder, HqlExpression input)
{
return(treeBuilder.Multiply(input, treeBuilder.Constant(_factor)));
}
public abstract HqlExpression Convert(HqlTreeBuilder treeBuilder, HqlExpression input);
public static HqlExpression ConvertBooleanToCase(HqlExpression node)
{
return(node.ToArithmeticExpression());
}
private HqlTreeNode ResolveBooleanEquality(BinaryExpression expression, HqlExpression lhs, HqlExpression rhs, Func <HqlExpression, HqlExpression, HqlTreeNode> applyResultExpressions)
{
if (!(lhs is HqlBooleanExpression) && !(rhs is HqlBooleanExpression))
{
throw new InvalidOperationException("Invalid operators for ResolveBooleanEquality, this may indicate a bug in NHibernate");
}
var leftHqlExpression = GetExpressionForBooleanEquality(expression.Left, lhs);
var rightHqlExpression = GetExpressionForBooleanEquality(expression.Right, rhs);
return(applyResultExpressions(leftHqlExpression, rightHqlExpression));
}