public UpdateStatementsBuilder <TModel> AddToList <TValue>(Expression <Func <TModel, IList <TValue> > > field, TValue value, UpdateAddToListFlags flags = UpdateAddToListFlags.None)
{
var pi = NodeVisitor.VisitPath(field, null);
if (pi.Expression.Type is KDPgValueTypeArray)
{
if ((flags & UpdateAddToListFlags.Distinct) == UpdateAddToListFlags.None)
{
AddUpdate(pi.Column, src => ExpressionBuilders.ArrayAddItem(src, value));
}
else
{
AddUpdate(pi.Column, src => ExpressionBuilders.KDPgArrayDistinct(ExpressionBuilders.ArrayAddItem(src, value)));
}
}
else if (pi.Expression.Type is KDPgValueTypeJson)
{
if (flags != 0)
{
throw new Exception("flags not allowed on json array");
}
AddUpdate(pi.Column, src => ExpressionBuilders.KDPgJsonbAdd(src, pi.JsonPath, value));
}
else
{
throw new Exception("unable to add to non-list");
}
return(this);
}
public static WhereBuilder<TModel> Eq<T>(Expression<Func<TModel, T>> field, T value)
{
var column = NodeVisitor.EvaluateExpressionToColumn(field.Body);
var pgValue = PgTypesConverter.ConvertObjectToPgValue(value);
var right = TypedExpression.FromPgValue(pgValue);
return new WhereBuilder<TModel>(ExpressionBuilders.Eq(column.TypedExpression, right));
}
public UpdateStatementsBuilder <TModel> SetField <TValue>(Expression <Func <TModel, TValue> > field, TValue value)
{
var pi = NodeVisitor.VisitPath(field, null);
var npgValue = PgTypesConverter.ConvertToPgValue(pi.Expression.Type, value);
if (pi.JsonPath.Count > 0)
{
AddUpdate(pi.Column, src => ExpressionBuilders.JsonSet(src, pi.JsonPath, TypedExpression.FromPgValue(npgValue)));
}
else
{
AddUpdate(pi.Column, src => TypedExpression.FromPgValue(npgValue));
}
return(this);
}
public UpdateStatementsBuilder <TModel> RemoveAllFromList <TValue>(Expression <Func <TModel, IList <TValue> > > field, TValue value)
{
var pi = NodeVisitor.VisitPath(field, null);
if (pi.Expression.Type is KDPgValueTypeArray)
{
AddUpdate(pi.Column, src => ExpressionBuilders.ArrayRemoveItem(src, value));
}
else if (pi.Expression.Type is KDPgValueTypeJson)
{
AddUpdate(pi.Column, src => ExpressionBuilders.KDPgJsonbRemoveByValue(src, pi.JsonPath, value, false));
}
else
{
throw new Exception("unable to add to non-list");
}
return(this);
}
public static WhereBuilder<TModel> Or(params WhereBuilder<TModel>[] statements)
{
return new WhereBuilder<TModel>(ExpressionBuilders.Or(statements.Select(x => x._typedExpression)));
}
public static WhereBuilder<TModel> ContainsAny<T>(Expression<Func<TModel, IList<T>>> field, IEnumerable<T> array)
{
var column = NodeVisitor.EvaluateExpressionToColumn(field.Body);
return new WhereBuilder<TModel>(ExpressionBuilders.ContainsAny(column.TypedExpression, array));
}
public static WhereBuilder<TModel> ContainsAny<T>(Expression<Func<TModel, IList<T>>> field, params T[] values)
{
var column = NodeVisitor.EvaluateExpressionToColumn(field.Body);
return new WhereBuilder<TModel>(ExpressionBuilders.ContainsAny(column.TypedExpression, values));
}
public static WhereBuilder<TModel> In<T>(Expression<Func<TModel, T>> field, SelectSubquery<T> subquery)
{
var column = NodeVisitor.EvaluateExpressionToColumn(field.Body);
return new WhereBuilder<TModel>(ExpressionBuilders.In(column.TypedExpression, subquery.GetTypedExpression()));
}
public static WhereBuilder<TModel> Not(WhereBuilder<TModel> statement)
{
return new WhereBuilder<TModel>(ExpressionBuilders.Not(statement._typedExpression));
}
