private HqlTreeNode BuildFromArray(Array valueArray, HqlTreeBuilder treeBuilder)
{
var elementType = valueArray.GetType().GetElementType();
if (!elementType.IsValueType && elementType != typeof(string))
throw new ArgumentException("Only primitives and strings can be used");
Type enumUnderlyingType = elementType.IsEnum ?
Enum.GetUnderlyingType(elementType) : null;
var variants = new HqlExpression[valueArray.Length];
for (int index = 0; index < valueArray.Length; index++)
{
var variant = valueArray.GetValue(index);
var val = variant;
if (elementType.IsEnum)
val = Convert.ChangeType(variant, enumUnderlyingType);
variants[index] = treeBuilder.Constant(val);
}
return treeBuilder.DistinctHolder(variants);
}
