/// <summary>
/// Executes query that returns all records.
/// </summary>
static IEnumerable<Person> GetAllPersons(IEnumerable<PropertyColumnMapping> mappings)
{
string sql = "SELECT * FROM Person;";
var settings = new SqlCommandSettings(sql, CommandType.Text);
var executor = new SqlExecutor(cs);
var persons = executor.GetRecords<Person>(settings, mappings);
return persons;
}
/// <summary>
/// Executes query that might return multiple records, but only takes 1st one.
/// </summary>
static IEnumerable<Company> GetAllCompanies(ColumnConstructorParameterMappingCollection<Company> ctorMappings, IEnumerable<PropertyColumnMapping> propMappings)
{
string sql = "SELECT * FROM Company;";
var settings = new SqlCommandSettings(sql, CommandType.Text);
var executor = new SqlExecutor(cs);
var companies = executor.GetRecords<Company>(settings, ctorMappings, propMappings);
return companies;
}
/// <summary>
/// Executes query that expects only 1 record to be returned.
/// </summary>
static Person GetSinglePerson(IEnumerable<PropertyColumnMapping> mappings)
{
string sql = "SELECT * FROM Person WHERE PersonID = @id;";
var settings = new SqlCommandSettings(sql, CommandType.Text);
settings.AddParameter(new SqlParameter("@id", 3));
var executor = new SqlExecutor(cs);
var person = executor.GetSingleRecord<Person>(settings, mappings);
return person;
}
/// <summary>
/// Executes query that expects only 1 record to be returned.
/// </summary>
static Company GetSingleCompany(ColumnConstructorParameterMappingCollection<Company> ctorMappings, IEnumerable<PropertyColumnMapping> propMappings)
{
string sql = "SELECT * FROM Company WHERE CompanyID = @id;";
int id = 3;
var settings = new SqlCommandSettings(sql, CommandType.Text);
settings.AddParameter(new SqlParameter("@id", id));
var executor = new SqlExecutor(cs);
var company = executor.GetSingleRecord<Company>(settings, ctorMappings, propMappings);
return company;
}
/// <summary>
/// Executes query that might return multiple records, but only takes 1st one.
/// </summary>
static Person GetFirstPerson(IEnumerable<PropertyColumnMapping> mappings)
{
string sql = "SELECT * FROM Person WHERE LastName = @lastName;";
var settings = new SqlCommandSettings(sql, CommandType.Text);
settings.AddParameter(new SqlParameter("@lastName", "Mouse"));
var executor = new SqlExecutor(cs);
var person = executor.GetFirstRecord<Person>(settings, mappings);
return person;
}
/// <summary>
/// Executes query that might return multiple records, but only takes 1st one.
/// </summary>
static Company GetFirstCompany(ColumnConstructorParameterMappingCollection<Company> ctorMappings, IEnumerable<PropertyColumnMapping> propMappings)
{
string sql = "SELECT * FROM Company WHERE RegistryNumber LIKE '788%';";
var settings = new SqlCommandSettings(sql, CommandType.Text);
var executor = new SqlExecutor(cs);
var company = executor.GetFirstRecord<Company>(settings, ctorMappings, propMappings);
return company;
}