/// <summary>Tests dialect.</summary>
/// <param name="dialect">The dialect.</param>
private static void TestDialect(Dialect dialect)
{
Console.Clear();
Console.WriteLine("Testing expressions for Dialect {0}", dialect.Name);
OrmLiteConfig.ClearCache();
OrmLiteConfig.DialectProvider = dialect.DialectProvider;
SqlExpressionVisitor<Author> ev = OrmLiteConfig.DialectProvider.ExpressionVisitor<Author>();
using (IDbConnection db = dialect.ConnectionString.OpenDbConnection())
{
try
{
db.DropTable<Author>();
var tableExists = OrmLiteConfig.DialectProvider.DoesTableExist(db, typeof(Author).Name);
Console.WriteLine("Expected:{0} Selected:{1} {2}", bool.FalseString, tableExists.ToString(), !tableExists ? "OK" : "************** FAILED ***************");
db.CreateTable<Author>();
tableExists = OrmLiteConfig.DialectProvider.DoesTableExist(db, typeof(Author).Name);
Console.WriteLine("Expected:{0} Selected:{1} {2}", bool.TrueString, tableExists.ToString(), tableExists ? "OK" : "************** FAILED ***************");
db.DeleteAll<Author>();
Console.WriteLine("Inserting...");
DateTime t1= DateTime.Now;
db.InsertAll(authors);
DateTime t2= DateTime.Now;
Console.WriteLine("Inserted {0} rows in {1}", authors.Count, t2 - t1);
Console.WriteLine("Selecting.....");
int year = DateTime.Today.AddYears(-20).Year;
var lastDay= new DateTime(year, 12, 31);
int expected=5;
ev.Where().Where(rn => rn.Birthday >= new DateTime(year, 1, 1) && rn.Birthday <= lastDay);
Console.WriteLine(ev.ToSelectStatement());
List<Author> result=db.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = db.Select<Author>(qry => qry.Where(rn => rn.Birthday >= new DateTime(year, 1, 1) && rn.Birthday <= lastDay));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = db.Select<Author>(rn => rn.Birthday >= new DateTime(year, 1, 1) && rn.Birthday <= lastDay);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
Author a = new Author() { Birthday = lastDay };
result = db.Select<Author>(rn => rn.Birthday >= new DateTime(year, 1, 1) && rn.Birthday <= a.Birthday);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors from London, Berlin and Madrid : 6
expected = 6;
//Sql.In can take params object[]
var city="Berlin";
ev.Where().Where(rn => Sql.In(rn.City, "London", "Madrid", city)); //clean prev
result = db.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = db.Select<Author>(rn => Sql.In(rn.City, new[] { "London", "Madrid", "Berlin" }));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors from Bogota and Cartagena : 7
expected = 7;
//... or Sql.In can take List<Object>
city = "Bogota";
List<Object> cities= new List<Object>();
cities.Add(city);
cities.Add("Cartagena");
ev.Where().Where(rn => Sql.In(rn.City, cities));
result = db.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = db.Select<Author>(rn => Sql.In(rn.City, "Bogota", "Cartagena"));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors which name starts with A
expected = 3;
ev.Where().Where(rn => rn.Name.StartsWith("A"));
result = db.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = db.Select<Author>(rn => rn.Name.StartsWith("A"));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors which name ends with Garzon o GARZON o garzon ( no case sensitive )
expected = 3;
var name="GARZON";
ev.Where().Where(rn => rn.Name.ToUpper().EndsWith(name));
result = db.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = db.Select<Author>(rn => rn.Name.ToUpper().EndsWith(name));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors which name ends with garzon
//A percent symbol ("%") in the LIKE pattern matches any sequence of zero or more characters
//in the string.
//An underscore ("_") in the LIKE pattern matches any single character in the string.
//Any other character matches itself or its lower/upper case equivalent (i.e. case-insensitive matching).
expected = 3;
ev.Where().Where(rn => rn.Name.EndsWith("garzon"));
result = db.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = db.Select<Author>(rn => rn.Name.EndsWith("garzon"));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors which name contains Benedict
expected = 2;
name = "Benedict";
ev.Where().Where(rn => rn.Name.Contains(name));
result = db.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = db.Select<Author>(rn => rn.Name.Contains("Benedict"));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
a.Name = name;
result = db.Select<Author>(rn => rn.Name.Contains(a.Name));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors with Earnings <= 50
expected = 3;
var earnings=50;
ev.Where().Where(rn => rn.Earnings <= earnings);
result = db.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = db.Select<Author>(rn => rn.Earnings <= 50);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors with Rate = 10 and city=Mexio
expected = 1;
city = "Mexico";
ev.Where().Where(rn => rn.Rate == 10 && rn.City == city);
result = db.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = db.Select<Author>(rn => rn.Rate == 10 && rn.City == "Mexico");
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
a.City = city;
result = db.Select<Author>(rn => rn.Rate == 10 && rn.City == a.City);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// enough selecting, lets update;
// set Active=false where rate =0
expected = 2;
var rate=0;
ev.Where().Where(rn => rn.Rate == rate).Update(rn => rn.Active);
var rows = db.UpdateOnly(new Author() { Active = false }, ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
// insert values only in Id, Name, Birthday, Rate and Active fields
expected = 4;
ev.Insert(rn => new { rn.Id, rn.Name, rn.Birthday, rn.Active, rn.Rate });
db.InsertOnly(new Author() { Active = false, Rate = 0, Name = "Victor Grozny", Birthday = DateTime.Today.AddYears(-18) }, ev);
db.InsertOnly(new Author() { Active = false, Rate = 0, Name = "Ivan Chorny", Birthday = DateTime.Today.AddYears(-19) }, ev);
ev.Where().Where(rn => !rn.Active);
result = db.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
//update comment for City == null
expected = 2;
ev.Where().Where(rn => rn.City == null).Update(rn => rn.Comments);
rows = db.UpdateOnly(new Author() { Comments = "No comments" }, ev);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
// delete where City is null
expected = 2;
rows = db.Delete(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
// lets select all records ordered by Rate Descending and Name Ascending
expected = 14;
ev.Where().OrderBy(rn => new { at = Sql.Desc(rn.Rate), rn.Name }); // clear where condition
result = db.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
Console.WriteLine(ev.OrderByExpression);
var author = result.FirstOrDefault();
Console.WriteLine("Expected:{0} Selected:{1} {2}", "Claudia Espinel", author.Name, "Claudia Espinel" == author.Name ? "OK" : "************** FAILED ***************");
// select only first 5 rows ....
expected = 5;
ev.Limit(5); // note: order is the same as in the last sentence
result = db.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// and finally lets select only Name and City (name will be "UPPERCASED" )
ev.Select(rn => new { at = Sql.As(rn.Name.ToUpper(), "Name"), rn.City });
Console.WriteLine(ev.SelectExpression);
result = db.Select(ev);
author = result.FirstOrDefault();
Console.WriteLine("Expected:{0} Selected:{1} {2}", "Claudia Espinel".ToUpper(), author.Name, "Claudia Espinel".ToUpper() == author.Name ? "OK" : "************** FAILED ***************");
ev.Select(rn => new { at = Sql.As(rn.Name.ToUpper(), rn.Name), rn.City });
Console.WriteLine(ev.SelectExpression);
result = db.Select(ev);
author = result.FirstOrDefault();
Console.WriteLine("Expected:{0} Selected:{1} {2}", "Claudia Espinel".ToUpper(), author.Name, "Claudia Espinel".ToUpper() == author.Name ? "OK" : "************** FAILED ***************");
//paging :
ev.Limit(0, 4);// first page, page size=4;
result = db.Select(ev);
author = result.FirstOrDefault();
Console.WriteLine("Expected:{0} Selected:{1} {2}", "Claudia Espinel".ToUpper(), author.Name, "Claudia Espinel".ToUpper() == author.Name ? "OK" : "************** FAILED ***************");
ev.Limit(4, 4);// second page
result = db.Select(ev);
author = result.FirstOrDefault();
Console.WriteLine("Expected:{0} Selected:{1} {2}", "Jorge Garzon".ToUpper(), author.Name, "Jorge Garzon".ToUpper() == author.Name ? "OK" : "************** FAILED ***************");
ev.Limit(8, 4);// third page
result = db.Select(ev);
author = result.FirstOrDefault();
Console.WriteLine("Expected:{0} Selected:{1} {2}", "Rodger Contreras".ToUpper(), author.Name, "Rodger Contreras".ToUpper() == author.Name ? "OK" : "************** FAILED ***************");
// select distinct..
ev.Limit().OrderBy(); // clear limit, clear order for postres
ev.SelectDistinct(r => r.City);
expected = 6;
result = db.Select(ev);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
ev.Select(r=> Sql.As(Sql.Max(r.Birthday), "Birthday"));
result = db.Select(ev);
var expectedResult = authors.Max(r=>r.Birthday);
Console.WriteLine("Expected:{0} Selected {1} {2}",expectedResult,
result[0].Birthday,
expectedResult == result[0].Birthday ? "OK" : "************** FAILED ***************");
ev.Select(r=> Sql.As(Sql.Max(r.Birthday), r.Birthday));
result = db.Select(ev);
expectedResult = authors.Max(r=>r.Birthday);
Console.WriteLine("Expected:{0} Selected {1} {2}",expectedResult,
result[0].Birthday,
expectedResult == result[0].Birthday ? "OK" : "************** FAILED ***************");
var r1 = db.FirstOrDefault(ev);
Console.WriteLine("FOD: Expected:{0} Selected {1} {2}",expectedResult,
r1.Birthday,
expectedResult == r1.Birthday ? "OK" : "************** FAILED ***************");
var r2 = db.GetScalar<Author, DateTime>( e => Sql.Max(e.Birthday) );
Console.WriteLine("GetScalar DateTime: Expected:{0} Selected {1} {2}",expectedResult,
r2,
expectedResult == r2 ? "OK" : "************** FAILED ***************");
ev.Select(r=> Sql.As( Sql.Min(r.Birthday), "Birthday"));
result = db.Select(ev);
expectedResult = authors.Min(r=>r.Birthday);
Console.WriteLine("Expected:{0} Selected {1} {2}",expectedResult,
result[0].Birthday,
expectedResult == result[0].Birthday? "OK" : "************** FAILED ***************");
ev.Select(r=> Sql.As( Sql.Min(r.Birthday), r.Birthday));
result = db.Select(ev);
expectedResult = authors.Min(r=>r.Birthday);
Console.WriteLine("Expected:{0} Selected {1} {2}",expectedResult,
result[0].Birthday,
expectedResult == result[0].Birthday? "OK" : "************** FAILED ***************");
ev.Select(r=>new{r.City, MaxResult=Sql.As( Sql.Min(r.Birthday), "Birthday") })
.GroupBy(r=>r.City)
.OrderBy(r=>r.City);
result = db.Select(ev);
var expectedStringResult= "Berlin";
Console.WriteLine("Expected:{0} Selected {1} {2}",expectedResult,
result[0].City,
expectedStringResult == result[0].City ? "OK" : "************** FAILED ***************");
ev.Select(r=>new{r.City, MaxResult=Sql.As( Sql.Min(r.Birthday), r.Birthday) })
.GroupBy(r=>r.City)
.OrderBy(r=>r.City);
result = db.Select(ev);
expectedStringResult= "Berlin";
Console.WriteLine("Expected:{0} Selected {1} {2}",expectedResult,
result[0].City,
expectedStringResult == result[0].City ? "OK" : "************** FAILED ***************");
r1 = db.FirstOrDefault(ev);
Console.WriteLine("FOD: Expected:{0} Selected {1} {2}",expectedResult,
r1.City,
expectedStringResult == result[0].City ? "OK" : "************** FAILED ***************");
var expectedDecimal= authors.Max(e=>e.Earnings);
Decimal? r3 = db.GetScalar<Author,Decimal?>(e=> Sql.Max(e.Earnings));
Console.WriteLine("GetScalar decimal?: Expected:{0} Selected {1} {2}",expectedDecimal,
r3.Value,
expectedDecimal == r3.Value ? "OK" : "************** FAILED ***************");
var expectedString= authors.Max(e=>e.Name);
string r4 = db.GetScalar<Author,String>(e=> Sql.Max(e.Name));
Console.WriteLine("GetScalar string?: Expected:{0} Selected {1} {2}",expectedString,
r4,
expectedString == r4 ? "OK" : "************** FAILED ***************");
var expectedDate= authors.Max(e=>e.LastActivity);
DateTime? r5 = db.GetScalar<Author,DateTime?>(e=> Sql.Max(e.LastActivity));
Console.WriteLine("GetScalar datetime?: Expected:{0} Selected {1} {2}",
expectedDate,
r5,
expectedDate == r5 ? "OK" : "************** FAILED ***************");
var expectedDate51= authors.Where(e=> e.City=="Bogota").Max(e=>e.LastActivity);
DateTime? r51 = db.GetScalar<Author,DateTime?>(
e=> Sql.Max(e.LastActivity),
e=> e.City=="Bogota" );
Console.WriteLine("GetScalar datetime?: Expected:{0} Selected {1} {2}",
expectedDate51,
r51,
expectedDate51 == r51 ? "OK" : "************** FAILED ***************");
try{
var expectedBool= authors.Max(e=>e.Active);
bool r6 = db.GetScalar<Author,bool>(e=> Sql.Max(e.Active));
Console.WriteLine("GetScalar bool: Expected:{0} Selected {1} {2}",expectedBool,
r6,
expectedBool == r6 ? "OK" : "************** FAILED ***************");
}
catch(Exception e){
if(dialect.Name=="PostgreSQL")
Console.WriteLine("OK PostgreSQL: " + e.Message);
else
Console.WriteLine("************** FAILED *************** " + e.Message);
}
// Tests for predicate overloads that make use of the expression visitor
Console.WriteLine("First author by name (exists)");
author = db.First<Author>(q => q.Name == "Jorge Garzon");
Console.WriteLine("Expected:{0} ; Selected:{1}, OK? {2}", "Jorge Garzon", author.Name, "Jorge Garzon" == author.Name);
try
{
Console.WriteLine("First author by name (does not exist)");
author = db.First<Author>(q => q.Name == "Does not exist");
Console.WriteLine("Expected exception thrown, OK? False");
}
catch
{
Console.WriteLine("Expected exception thrown, OK? True");
}
Console.WriteLine("First author or default (does not exist)");
author = db.FirstOrDefault<Author>(q => q.Name == "Does not exist");
Console.WriteLine("Expected:null ; OK? {0}", author == null);
Console.WriteLine("First author or default by city (multiple matches)");
author = db.FirstOrDefault<Author>(q => q.City == "Bogota");
Console.WriteLine("Expected:{0} ; Selected:{1}, OK? {2}", "Angel Colmenares", author.Name, "Angel Colmenares" == author.Name);
a.City = "Bogota";
author = db.FirstOrDefault<Author>(q => q.City == a.City);
Console.WriteLine("Expected:{0} ; Selected:{1}, OK? {2}", "Angel Colmenares", author.Name, "Angel Colmenares" == author.Name);
// count test
var expectedCount= authors.Count();
long r7 = db.GetScalar<Author,long>(e=> Sql.Count(e.Id));
Console.WriteLine("GetScalar long: Expected:{0} Selected {1} {2}",expectedCount,
r7,
expectedCount == r7 ? "OK" : "************** FAILED ***************");
expectedCount= authors.Count(e=> e.City=="Bogota");
r7 = db.GetScalar<Author,long>(
e=> Sql.Count(e.Id),
e=> e.City=="Bogota" );
Console.WriteLine("GetScalar long: Expected:{0} Selected {1} {2}",expectedCount,
r7,
expectedCount == r7 ? "OK" : "************** FAILED ***************");
// more updates.....
Console.WriteLine("more updates.....................");
ev.Update();// all fields will be updated
// select and update
expected=1;
var rr= db.FirstOrDefault<Author>(rn => rn.Name=="Luis garzon");
rr.City="Madrid";
rr.Comments="Updated";
ev.Where().Where(r=>r.Id==rr.Id); // if omit, then all records will be updated
rows=db.UpdateOnly(rr,ev); // == dbCmd.Update(rr) but it returns void
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
expected=0;
ev.Where().Where(r=>r.City=="Ciudad Gotica");
rows=db.UpdateOnly(rr, ev);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
expected= db.Select<Author>(x=>x.City=="Madrid").Count;
author = new Author(){Active=false};
rows=db.UpdateOnly(author, x=>x.Active, x=>x.City=="Madrid");
Console.WriteLine("Expected:{0} Updated:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
expected= db.Select<Author>(x=>x.Active==false).Count;
rows = db.Delete<Author>( x=>x.Active==false);
Console.WriteLine("Expected:{0} Deleted:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
DateTime t3= DateTime.Now;
Console.WriteLine("Expressions test in: {0}", t3 - t2);
Console.WriteLine("All test in : {0}", t3 - t1);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
Console.WriteLine("Press enter to return to main menu");
Console.ReadLine();
PaintMenu();
}
private static void TestDialect(Dialect dialect)
{
Console.Clear();
Console.WriteLine("Testing expressions for Dialect {0}", dialect.Name);
OrmLiteConfig.ClearCache();
OrmLiteConfig.DialectProvider = dialect.DialectProvider;
SqlExpressionVisitor <Author> ev = OrmLiteConfig.DialectProvider.ExpressionVisitor <Author>();
using (IDbConnection db =
dialect.ConnectionString.OpenDbConnection())
using (IDbCommand dbCmd = db.CreateCommand())
{
try
{
dbCmd.DropTable <Author>();
var tableExists = OrmLiteConfig.DialectProvider.DoesTableExist(dbCmd, typeof(Author).Name);
Console.WriteLine("Expected:{0} Selected:{1} {2}", bool.FalseString, tableExists.ToString(), !tableExists ? "OK" : "************** FAILED ***************");
dbCmd.CreateTable <Author>();
tableExists = OrmLiteConfig.DialectProvider.DoesTableExist(dbCmd, typeof(Author).Name);
Console.WriteLine("Expected:{0} Selected:{1} {2}", bool.TrueString, tableExists.ToString(), tableExists ? "OK" : "************** FAILED ***************");
dbCmd.DeleteAll <Author>();
Console.WriteLine("Inserting...");
DateTime t1 = DateTime.Now;
dbCmd.InsertAll(authors);
DateTime t2 = DateTime.Now;
Console.WriteLine("Inserted {0} rows in {1}", authors.Count, t2 - t1);
Console.WriteLine("Selecting.....");
int year = DateTime.Today.AddYears(-20).Year;
var lastDay = new DateTime(year, 12, 31);
int expected = 5;
ev.Where(rn => rn.Birthday >= new DateTime(year, 1, 1) && rn.Birthday <= lastDay);
Console.WriteLine(ev.ToSelectStatement());
List <Author> result = dbCmd.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = dbCmd.Select <Author>(qry => qry.Where(rn => rn.Birthday >= new DateTime(year, 1, 1) && rn.Birthday <= lastDay));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = dbCmd.Select <Author>(rn => rn.Birthday >= new DateTime(year, 1, 1) && rn.Birthday <= lastDay);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
Author a = new Author()
{
Birthday = lastDay
};
result = dbCmd.Select <Author>(rn => rn.Birthday >= new DateTime(year, 1, 1) && rn.Birthday <= a.Birthday);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors from London, Berlin and Madrid : 6
expected = 6;
//Sql.In can take params object[]
var city = "Berlin";
ev.Where(rn => Sql.In(rn.City, "London", "Madrid", city));
result = dbCmd.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = dbCmd.Select <Author>(rn => Sql.In(rn.City, new[] { "London", "Madrid", "Berlin" }));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors from Bogota and Cartagena : 7
expected = 7;
//... or Sql.In can take List<Object>
city = "Bogota";
List <Object> cities = new List <Object>();
cities.Add(city);
cities.Add("Cartagena");
ev.Where(rn => Sql.In(rn.City, cities));
result = dbCmd.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = dbCmd.Select <Author>(rn => Sql.In(rn.City, "Bogota", "Cartagena"));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors which name starts with A
expected = 3;
ev.Where(rn => rn.Name.StartsWith("A"));
result = dbCmd.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = dbCmd.Select <Author>(rn => rn.Name.StartsWith("A"));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors which name ends with Garzon o GARZON o garzon ( no case sensitive )
expected = 3;
var name = "GARZON";
ev.Where(rn => rn.Name.ToUpper().EndsWith(name));
result = dbCmd.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = dbCmd.Select <Author>(rn => rn.Name.ToUpper().EndsWith(name));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors which name ends with garzon
//A percent symbol ("%") in the LIKE pattern matches any sequence of zero or more characters
//in the string.
//An underscore ("_") in the LIKE pattern matches any single character in the string.
//Any other character matches itself or its lower/upper case equivalent (i.e. case-insensitive matching).
expected = 3;
ev.Where(rn => rn.Name.EndsWith("garzon"));
result = dbCmd.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = dbCmd.Select <Author>(rn => rn.Name.EndsWith("garzon"));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors which name contains Benedict
expected = 2;
name = "Benedict";
ev.Where(rn => rn.Name.Contains(name));
result = dbCmd.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = dbCmd.Select <Author>(rn => rn.Name.Contains("Benedict"));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
a.Name = name;
result = dbCmd.Select <Author>(rn => rn.Name.Contains(a.Name));
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors with Earnings <= 50
expected = 3;
var earnings = 50;
ev.Where(rn => rn.Earnings <= earnings);
result = dbCmd.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = dbCmd.Select <Author>(rn => rn.Earnings <= 50);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// select authors with Rate = 10 and city=Mexio
expected = 1;
city = "Mexico";
ev.Where(rn => rn.Rate == 10 && rn.City == city);
result = dbCmd.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
result = dbCmd.Select <Author>(rn => rn.Rate == 10 && rn.City == "Mexico");
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
a.City = city;
result = dbCmd.Select <Author>(rn => rn.Rate == 10 && rn.City == a.City);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// enough selecting, lets update;
// set Active=false where rate =0
expected = 2;
var rate = 0;
ev.Where(rn => rn.Rate == rate).Update(rn => rn.Active);
var rows = dbCmd.UpdateOnly(new Author()
{
Active = false
}, ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
// insert values only in Id, Name, Birthday, Rate and Active fields
expected = 4;
ev.Insert(rn => new { rn.Id, rn.Name, rn.Birthday, rn.Active, rn.Rate });
dbCmd.InsertOnly(new Author()
{
Active = false, Rate = 0, Name = "Victor Grozny", Birthday = DateTime.Today.AddYears(-18)
}, ev);
dbCmd.InsertOnly(new Author()
{
Active = false, Rate = 0, Name = "Ivan Chorny", Birthday = DateTime.Today.AddYears(-19)
}, ev);
ev.Where(rn => !rn.Active);
result = dbCmd.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
//update comment for City == null
expected = 2;
ev.Where(rn => rn.City == null).Update(rn => rn.Comments);
rows = dbCmd.UpdateOnly(new Author()
{
Comments = "No comments"
}, ev);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
// delete where City is null
expected = 2;
rows = dbCmd.Delete(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
// lets select all records ordered by Rate Descending and Name Ascending
expected = 14;
ev.Where().OrderBy(rn => new { at = Sql.Desc(rn.Rate), rn.Name }); // clear where condition
result = dbCmd.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
Console.WriteLine(ev.OrderByExpression);
var author = result.FirstOrDefault();
Console.WriteLine("Expected:{0} Selected:{1} {2}", "Claudia Espinel", author.Name, "Claudia Espinel" == author.Name ? "OK" : "************** FAILED ***************");
// select only first 5 rows ....
expected = 5;
ev.Limit(5); // note: order is the same as in the last sentence
result = dbCmd.Select(ev);
Console.WriteLine(ev.WhereExpression);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
// and finally lets select only Name and City (name will be "UPPERCASED" )
ev.Select(rn => new { at = Sql.As(rn.Name.ToUpper(), "Name"), rn.City });
Console.WriteLine(ev.SelectExpression);
result = dbCmd.Select(ev);
author = result.FirstOrDefault();
Console.WriteLine("Expected:{0} Selected:{1} {2}", "Claudia Espinel".ToUpper(), author.Name, "Claudia Espinel".ToUpper() == author.Name ? "OK" : "************** FAILED ***************");
ev.Select(rn => new { at = Sql.As(rn.Name.ToUpper(), rn.Name), rn.City });
Console.WriteLine(ev.SelectExpression);
result = dbCmd.Select(ev);
author = result.FirstOrDefault();
Console.WriteLine("Expected:{0} Selected:{1} {2}", "Claudia Espinel".ToUpper(), author.Name, "Claudia Espinel".ToUpper() == author.Name ? "OK" : "************** FAILED ***************");
//paging :
ev.Limit(0, 4);// first page, page size=4;
result = dbCmd.Select(ev);
author = result.FirstOrDefault();
Console.WriteLine("Expected:{0} Selected:{1} {2}", "Claudia Espinel".ToUpper(), author.Name, "Claudia Espinel".ToUpper() == author.Name ? "OK" : "************** FAILED ***************");
ev.Limit(4, 4);// second page
result = dbCmd.Select(ev);
author = result.FirstOrDefault();
Console.WriteLine("Expected:{0} Selected:{1} {2}", "Jorge Garzon".ToUpper(), author.Name, "Jorge Garzon".ToUpper() == author.Name ? "OK" : "************** FAILED ***************");
ev.Limit(8, 4);// third page
result = dbCmd.Select(ev);
author = result.FirstOrDefault();
Console.WriteLine("Expected:{0} Selected:{1} {2}", "Rodger Contreras".ToUpper(), author.Name, "Rodger Contreras".ToUpper() == author.Name ? "OK" : "************** FAILED ***************");
// select distinct..
ev.Limit().OrderBy(); // clear limit, clear order for postres
ev.SelectDistinct(r => r.City);
expected = 6;
result = dbCmd.Select(ev);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, result.Count, expected == result.Count ? "OK" : "************** FAILED ***************");
ev.Select(r => Sql.As(Sql.Max(r.Birthday), "Birthday"));
result = dbCmd.Select(ev);
var expectedResult = authors.Max(r => r.Birthday);
Console.WriteLine("Expected:{0} Selected {1} {2}", expectedResult,
result[0].Birthday,
expectedResult == result[0].Birthday ? "OK" : "************** FAILED ***************");
ev.Select(r => Sql.As(Sql.Max(r.Birthday), r.Birthday));
result = dbCmd.Select(ev);
expectedResult = authors.Max(r => r.Birthday);
Console.WriteLine("Expected:{0} Selected {1} {2}", expectedResult,
result[0].Birthday,
expectedResult == result[0].Birthday ? "OK" : "************** FAILED ***************");
var r1 = dbCmd.FirstOrDefault(ev);
Console.WriteLine("FOD: Expected:{0} Selected {1} {2}", expectedResult,
r1.Birthday,
expectedResult == r1.Birthday ? "OK" : "************** FAILED ***************");
var r2 = dbCmd.GetScalar <Author, DateTime>(e => Sql.Max(e.Birthday));
Console.WriteLine("GetScalar DateTime: Expected:{0} Selected {1} {2}", expectedResult,
r2,
expectedResult == r2 ? "OK" : "************** FAILED ***************");
ev.Select(r => Sql.As(Sql.Min(r.Birthday), "Birthday"));
result = dbCmd.Select(ev);
expectedResult = authors.Min(r => r.Birthday);
Console.WriteLine("Expected:{0} Selected {1} {2}", expectedResult,
result[0].Birthday,
expectedResult == result[0].Birthday? "OK" : "************** FAILED ***************");
ev.Select(r => Sql.As(Sql.Min(r.Birthday), r.Birthday));
result = dbCmd.Select(ev);
expectedResult = authors.Min(r => r.Birthday);
Console.WriteLine("Expected:{0} Selected {1} {2}", expectedResult,
result[0].Birthday,
expectedResult == result[0].Birthday? "OK" : "************** FAILED ***************");
ev.Select(r => new{ r.City, MaxResult = Sql.As(Sql.Min(r.Birthday), "Birthday") })
.GroupBy(r => r.City)
.OrderBy(r => r.City);
result = dbCmd.Select(ev);
var expectedStringResult = "Berlin";
Console.WriteLine("Expected:{0} Selected {1} {2}", expectedResult,
result[0].City,
expectedStringResult == result[0].City ? "OK" : "************** FAILED ***************");
ev.Select(r => new{ r.City, MaxResult = Sql.As(Sql.Min(r.Birthday), r.Birthday) })
.GroupBy(r => r.City)
.OrderBy(r => r.City);
result = dbCmd.Select(ev);
expectedStringResult = "Berlin";
Console.WriteLine("Expected:{0} Selected {1} {2}", expectedResult,
result[0].City,
expectedStringResult == result[0].City ? "OK" : "************** FAILED ***************");
r1 = dbCmd.FirstOrDefault(ev);
Console.WriteLine("FOD: Expected:{0} Selected {1} {2}", expectedResult,
r1.City,
expectedStringResult == result[0].City ? "OK" : "************** FAILED ***************");
var expectedDecimal = authors.Max(e => e.Earnings);
Decimal?r3 = dbCmd.GetScalar <Author, Decimal?>(e => Sql.Max(e.Earnings));
Console.WriteLine("GetScalar decimal?: Expected:{0} Selected {1} {2}", expectedDecimal,
r3.Value,
expectedDecimal == r3.Value ? "OK" : "************** FAILED ***************");
var expectedString = authors.Max(e => e.Name);
string r4 = dbCmd.GetScalar <Author, String>(e => Sql.Max(e.Name));
Console.WriteLine("GetScalar string?: Expected:{0} Selected {1} {2}", expectedString,
r4,
expectedString == r4 ? "OK" : "************** FAILED ***************");
var expectedDate = authors.Max(e => e.LastActivity);
DateTime?r5 = dbCmd.GetScalar <Author, DateTime?>(e => Sql.Max(e.LastActivity));
Console.WriteLine("GetScalar datetime?: Expected:{0} Selected {1} {2}",
expectedDate,
r5,
expectedDate == r5 ? "OK" : "************** FAILED ***************");
var expectedDate51 = authors.Where(e => e.City == "Bogota").Max(e => e.LastActivity);
DateTime?r51 = dbCmd.GetScalar <Author, DateTime?>(
e => Sql.Max(e.LastActivity),
e => e.City == "Bogota");
Console.WriteLine("GetScalar datetime?: Expected:{0} Selected {1} {2}",
expectedDate51,
r51,
expectedDate51 == r51 ? "OK" : "************** FAILED ***************");
try{
var expectedBool = authors.Max(e => e.Active);
bool r6 = dbCmd.GetScalar <Author, bool>(e => Sql.Max(e.Active));
Console.WriteLine("GetScalar bool: Expected:{0} Selected {1} {2}", expectedBool,
r6,
expectedBool == r6 ? "OK" : "************** FAILED ***************");
}
catch (Exception e) {
if (dialect.Name == "PostgreSQL")
{
Console.WriteLine("OK PostgreSQL: " + e.Message);
}
else
{
Console.WriteLine("************** FAILED *************** " + e.Message);
}
}
// Tests for predicate overloads that make use of the expression visitor
Console.WriteLine("First author by name (exists)");
author = dbCmd.First <Author>(q => q.Name == "Jorge Garzon");
Console.WriteLine("Expected:{0} ; Selected:{1}, OK? {2}", "Jorge Garzon", author.Name, "Jorge Garzon" == author.Name);
try
{
Console.WriteLine("First author by name (does not exist)");
author = dbCmd.First <Author>(q => q.Name == "Does not exist");
Console.WriteLine("Expected exception thrown, OK? False");
}
catch
{
Console.WriteLine("Expected exception thrown, OK? True");
}
Console.WriteLine("First author or default (does not exist)");
author = dbCmd.FirstOrDefault <Author>(q => q.Name == "Does not exist");
Console.WriteLine("Expected:null ; OK? {0}", author == null);
Console.WriteLine("First author or default by city (multiple matches)");
author = dbCmd.FirstOrDefault <Author>(q => q.City == "Bogota");
Console.WriteLine("Expected:{0} ; Selected:{1}, OK? {2}", "Angel Colmenares", author.Name, "Angel Colmenares" == author.Name);
a.City = "Bogota";
author = dbCmd.FirstOrDefault <Author>(q => q.City == a.City);
Console.WriteLine("Expected:{0} ; Selected:{1}, OK? {2}", "Angel Colmenares", author.Name, "Angel Colmenares" == author.Name);
// count test
var expectedCount = authors.Count();
long r7 = dbCmd.GetScalar <Author, long>(e => Sql.Count(e.Id));
Console.WriteLine("GetScalar long: Expected:{0} Selected {1} {2}", expectedCount,
r7,
expectedCount == r7 ? "OK" : "************** FAILED ***************");
expectedCount = authors.Count(e => e.City == "Bogota");
r7 = dbCmd.GetScalar <Author, long>(
e => Sql.Count(e.Id),
e => e.City == "Bogota");
Console.WriteLine("GetScalar long: Expected:{0} Selected {1} {2}", expectedCount,
r7,
expectedCount == r7 ? "OK" : "************** FAILED ***************");
// more updates.....
Console.WriteLine("more updates.....................");
ev.Update();// all fields will be updated
// select and update
expected = 1;
var rr = dbCmd.FirstOrDefault <Author>(rn => rn.Name == "Luis garzon");
rr.City = "Madrid";
rr.Comments = "Updated";
ev.Where(r => r.Id == rr.Id); // if omit, then all records will be updated
rows = dbCmd.UpdateOnly(rr, ev); // == dbCmd.Update(rr) but it returns void
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
expected = 0;
ev.Where(r => r.City == "Ciudad Gotica");
rows = dbCmd.UpdateOnly(rr, ev);
Console.WriteLine("Expected:{0} Selected:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
expected = dbCmd.Select <Author>(x => x.City == "Madrid").Count;
author = new Author()
{
Active = false
};
rows = dbCmd.UpdateOnly(author, x => x.Active, x => x.City == "Madrid");
Console.WriteLine("Expected:{0} Updated:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
expected = dbCmd.Select <Author>(x => x.Active == false).Count;
rows = dbCmd.Delete <Author>(x => x.Active == false);
Console.WriteLine("Expected:{0} Deleted:{1} {2}", expected, rows, expected == rows ? "OK" : "************** FAILED ***************");
DateTime t3 = DateTime.Now;
Console.WriteLine("Expressions test in: {0}", t3 - t2);
Console.WriteLine("All test in : {0}", t3 - t1);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
Console.WriteLine("Press enter to return to main menu");
Console.ReadLine();
PaintMenu();
}