private SqlExpression VisitTupleAccess(MethodCallExpression tupleAccess)
{
int columnIndex = tupleAccess.GetTupleAccessArgument();
SqlExpression result;
var applyParameter = tupleAccess.GetApplyParameter();
if (applyParameter != null)
{
if (compiler == null)
{
throw Exceptions.InternalError(Strings.ExOuterParameterReferenceFoundButNoSqlCompilerProvided, OrmLog.Instance);
}
result = compiler.GetOuterExpression(applyParameter, columnIndex);
}
else
{
var queryRef = sourceMapping[(ParameterExpression)tupleAccess.Object];
result = queryRef[columnIndex];
}
if (fixBooleanExpressions && IsBooleanExpression(tupleAccess))
{
result = booleanExpressionConverter.IntToBoolean(result);
}
return(result);
}
protected override Expression VisitMethodCall(MethodCallExpression mc)
{
if (mc.AsTupleAccess() != null)
{
var sourceIndex = mc.GetTupleAccessArgument();
if (mc.GetApplyParameter() != null)
{
return(Expression.Call(leftTupleParameter, mc.Method, mc.Arguments[0]));
}
var name = sourceColumns.Single(column => column.Index == sourceIndex).Name;
var currentIndex = targetColumns[name].Index;
return(Expression.Call(mc.Object, mc.Method, Expression.Constant(currentIndex)));
}
return(base.VisitMethodCall(mc));
}
/// <inheritdoc/>
protected override Expression VisitMethodCall(MethodCallExpression mc)
{
if (mc.IsTupleAccess(tupleParameter))
{
var columnIndex = mc.GetTupleAccessArgument();
var outerParameter = mc.GetApplyParameter();
if (outerParameter != null)
{
registerOuterColumn(outerParameter, columnIndex);
}
else
{
mappings.Add(columnIndex);
}
return(mc);
}
return(base.VisitMethodCall(mc));
}
/// <inheritdoc/>
protected override Expression VisitMethodCall(MethodCallExpression mc)
{
if (mc.IsTupleAccess(tupleParameter))
{
var columnIndex = mc.GetTupleAccessArgument();
var outerParameter = mc.GetApplyParameter();
int newIndex = outerParameter != null
? resolveOuterColumn(outerParameter, columnIndex)
: mappings.IndexOf(columnIndex);
if ((newIndex < 0 && ignoreMissing) || newIndex == columnIndex)
{
return(mc);
}
return(Expression.Call(mc.Object, mc.Method, Expression.Constant(newIndex)));
}
return(base.VisitMethodCall(mc));
}
