public void GroupFacts()
{
var builder = new SqlExpressionBuilderSelect();
var fromTable = new Table("table", "t");
var joinTable = new Table("join", "j");
builder.From(fromTable);
builder.Select("Id", fromTable);
builder.Select(new AliasedExpression <CountExpression>(
new CountExpression(joinTable.GetColumn("moo")), "count"));
builder.JoinLeft(fromTable.GetColumn("Id"), joinTable.GetColumn("fromId"));
builder.Group(new[] { "t.Id" });
const string expected =
"SELECT t.Id, COUNT(j.moo) AS count " +
"FROM table t " +
"LEFT JOIN join j ON t.Id = j.fromId " +
"GROUP BY t.Id";
Assert.Equal(expected, builder.ToString());
}