private static void Main(string[] args)
{
string tableName = "EnginePackageView";
var query = new NpgsqlSelectQueryBuilder("dbo")
.SelectAs(tableName, "BookingDate", "Booking Date")
.SelectAs(tableName, "BookingConfirmRef", "Confirm Ref")
.Select(new SqlLiteral(@"GetProductTypeNameFull(""ProductType"") AS ""Product Type"""))
.From(tableName)
.Where(tableName, "BookingDate", ComparisonOperator.In, new DateTime[]
{
new DateTime(2019, 4, 4),
new DateTime(2019, 4, 6)
})
.Where(tableName, "ProductType", ComparisonOperator.HasFlag, 32)
.Where(WhereClause.CreateContainer(LogicOperator.And)
.AddSubClause(WhereClause.CreateContainer(LogicOperator.And)
.AddSubClause(new WhereClause(LogicOperator.And, tableName, "BookingConfirmRef", ComparisonOperator.StartsWith, "ODH"))
.AddSubClause(new WhereClause(LogicOperator.And, tableName, "BookingConfirmRef", ComparisonOperator.EndsWith, "1")))
.AddSubClause(WhereClause.CreateContainer(LogicOperator.Or)
.AddSubClause(new WhereClause(LogicOperator.And, tableName, "BookingConfirmRef", ComparisonOperator.StartsWith, "ODH"))
.AddSubClause(new WhereClause(LogicOperator.And, tableName, "BookingConfirmRef", ComparisonOperator.EndsWith, "2")))
)
.OrderBy(tableName, "BookingDate", SortDirection.Descending)
.Take(25);
string queryText = query.BuildQuery();
Console.WriteLine(queryText);
Console.ReadLine();
}