private LinqQueryExpression <TEntity> IsInCall <TEntity>(MethodCallExpression methodCallExpression,
ExpressionConversionVisitor <TEntity> expressionConverter)
where TEntity : class
{
var expression = expressionConverter.Visit(methodCallExpression.Arguments[1]) as LinqQueryExpression <TEntity>;
var value = expressionConverter.Visit(methodCallExpression.Arguments[2]) as LinqQueryExpression <TEntity>;
if (value.QueryExpression is ValueParameterQueryExpression valueQueryExpression &&
valueQueryExpression.Value is IEnumerable valueEnumerable)
{
var valueExpressions = new List <QueryExpression>();
foreach (var o in valueEnumerable)
{
valueExpressions.Add(ORMQueryExpressions.Value(o));
}
return(new LinqQueryExpression <TEntity>(
QueryExpression.IsIn(
expression.QueryExpression,
valueExpressions.ToArray()
),
expression.JoinBuilders));
}
return(new LinqQueryExpression <TEntity>(
QueryExpression.IsIn(
expression.QueryExpression,
value.QueryExpression
),
expression.JoinBuilders));
}
public void Limit(int limit)
{
Limit(new SqlValueExpression <TEntity, int>(
ORMQueryExpressions.Value(limit),
new JoinBuilder <TEntity> [0]
));
}
public ExpressionResult Convert(MethodInfo methodInfo, MethodCallExpression node,
ExpressionConverter expressionConverter)
{
var searchForExpression = expressionConverter.Convert(node.Arguments[0]);
var searchInExpression = expressionConverter.Convert(node.Arguments[1]);
if (searchInExpression.QueryExpression is ValueExpression valueExpression &&
valueExpression.Value is IEnumerable valueEnumerable)
{
var valueExpressions = new List <QueryExpression>();
foreach (var value in valueEnumerable)
{
valueExpressions.Add(ORMQueryExpressions.Value(value));
}
return(new ExpressionResult(
QueryExpression.Compare(searchForExpression.QueryExpression, ComparisonOperator.None,
QueryExpression.InFunction(valueExpressions.ToArray())),
MethodHelper.ConcatJoins(searchForExpression, searchInExpression).ToArray()
));
}
return(new ExpressionResult(
QueryExpression.Compare(searchForExpression.QueryExpression, ComparisonOperator.None,
QueryExpression.InFunction(searchInExpression.QueryExpression)),
MethodHelper.ConcatJoins(searchForExpression, searchInExpression).ToArray()
));
}
public void Offset(int offset)
{
Offset(new SqlValueExpression <TEntity, int>(
ORMQueryExpressions.Value(offset),
new JoinBuilder <TEntity> [0]
));
}
private QueryExpression GetValueExpression(object value)
{
if (value is QueryExpression queryExpression)
{
return(queryExpression);
}
if (value is IQueryBuilder queryBuilder)
{
return(queryBuilder.BuildQuery());
}
return(ORMQueryExpressions.Value(value));
}
