public void Can_do_ToCountStatement_with_SqlExpression_if_where_expression_refers_to_joined_table()
{
using (var db = OpenDbConnection())
{
db.DropAndCreateTable <LetterFrequency>();
db.DropAndCreateTable <LetterStat>();
var letterFrequency = new LetterFrequency {
Letter = "A"
};
letterFrequency.Id = (int)db.Insert(letterFrequency, true);
db.Insert(new LetterStat {
Letter = "A", LetterFrequencyId = letterFrequency.Id, Weighting = 1
});
var expr = db.From <LetterFrequency>()
.Join <LetterFrequency, LetterStat>()
.Where <LetterStat>(x => x.Id > 0);
var count = db.SqlScalar <long>(expr.ToCountStatement(), expr.Params.ToDictionary(param => param.ParameterName, param => param.Value));
Assert.That(count, Is.GreaterThan(0));
count = db.Count(db.From <LetterFrequency>().Join <LetterStat>().Where <LetterStat>(x => x.Id > 0));
Assert.That(count, Is.GreaterThan(0));
Assert.That(
db.Exists(db.From <LetterFrequency>().Join <LetterStat>().Where <LetterStat>(x => x.Id > 0)));
}
}
public void Can_do_ToCountStatement_with_SqlExpression_if_where_expression_refers_to_joined_table()
{
using (var db = OpenDbConnection())
{
db.DropAndCreateTable<LetterFrequency>();
db.DropAndCreateTable<LetterStat>();
var letterFrequency = new LetterFrequency { Letter = "A" };
letterFrequency.Id = (int)db.Insert(letterFrequency, true);
db.Insert(new LetterStat { Letter = "A", LetterFrequencyId = letterFrequency.Id, Weighting = 1 });
var expr = db.From<LetterFrequency>()
.Join<LetterFrequency, LetterStat>()
.Where<LetterStat>(x => x.Id > 0);
var count = db.SqlScalar<long>(expr.ToCountStatement());
Assert.That(count, Is.GreaterThan(0));
count = db.Count<LetterFrequency>(q => q.Join<LetterStat>().Where<LetterStat>(x => x.Id > 0));
Assert.That(count, Is.GreaterThan(0));
Assert.That(
db.Exists<LetterFrequency>(q => q.Join<LetterStat>().Where<LetterStat>(x => x.Id > 0)));
}
}
