public async Task <IEnumerable <dynamic> > ConvertAsync(MsSqlDbAttribute input, CancellationToken cancellationToken)
{
var context = _msSqlDbExtensionConfigProvider.CreateContext(input);
var sqlSpec = new MsSqlSpec()
{
Parameters = input.SqlQueryParameters,
Query = input.SqlQuery
};
var list = new List <object>();
#if NETCOREAPP3_1
var objects = context.MsSqlDbService.GetAsync(sqlSpec, cancellationToken);
await foreach (var o in objects.WithCancellation(cancellationToken))
{
list.Add(o);
}
#else
var objects = await context.MsSqlDbService.GetAsync(sqlSpec, cancellationToken);
list.AddRange(objects);
#endif
return(list.AsEnumerable());
}
public async Task <T> GetOne <T>(MsSqlSpec msSqlSpec, CancellationToken cancellationToken = default)
where T : class, new()
{
using (var connection = new SqlConnection(_connectionString))
{
var command = new SqlCommand(msSqlSpec.Query, connection);
foreach (var sqlParameter in msSqlSpec.Parameters)
{
command.Parameters.Add(sqlParameter);
}
await connection.OpenAsync(cancellationToken);
var reader = await command.ExecuteReaderAsync(CommandBehavior.CloseConnection, cancellationToken);
var isRead = await reader.ReadAsync(cancellationToken);
if (isRead)
{
return(reader.ConvertToObject <T>());
}
return(default(T));
}
}
public Task <T> ConvertAsync(MsSqlDbAttribute input, CancellationToken cancellationToken)
{
var context = _msSqlDbExtensionConfigProvider.CreateContext(input);
var sqlSpec = new MsSqlSpec()
{
Parameters = input.SqlQueryParameters,
Query = input.SqlQuery
};
return(context.MsSqlDbService.GetOne <T>(sqlSpec, cancellationToken));
}
public IEnumerable <T> Get <T>(MsSqlSpec msSqlSpec) where T : class, new()
{
using var connection = new SqlConnection(_connectionString);
var command = new SqlCommand(msSqlSpec.Query, connection);
foreach (var sqlParameter in msSqlSpec.Parameters)
{
command.Parameters.Add(sqlParameter);
}
connection.Open();
var reader = command.ExecuteReader(CommandBehavior.CloseConnection);
while (reader.Read())
{
yield return(reader.ConvertToObject <T>());
}
}
public async IAsyncEnumerable <object> GetAsync(MsSqlSpec msSqlSpec, [EnumeratorCancellation] CancellationToken cancellationToken = default)
{
await using var connection = new SqlConnection(_connectionString);
var command = new SqlCommand(msSqlSpec.Query, connection);
foreach (var sqlParameter in msSqlSpec.Parameters)
{
command.Parameters.Add(sqlParameter);
}
await connection.OpenAsync(cancellationToken);
var reader = await command.ExecuteReaderAsync(CommandBehavior.CloseConnection, cancellationToken);
while (await reader.ReadAsync(cancellationToken))
{
yield return(reader.ConvertToObject());
}
}
public async Task <IEnumerable <object> > GetAsync(MsSqlSpec msSqlSpec, CancellationToken cancellationToken = default)
{
using (var connection = new SqlConnection(_connectionString))
{
var command = new SqlCommand(msSqlSpec.Query, connection);
foreach (var sqlParameter in msSqlSpec.Parameters)
{
command.Parameters.Add(sqlParameter);
}
await connection.OpenAsync(cancellationToken);
var reader = await command.ExecuteReaderAsync(CommandBehavior.CloseConnection, cancellationToken);
var list = new List <object>();
while (await reader.ReadAsync(cancellationToken))
{
list.Add(reader.ConvertToObject());
}
return(list.AsEnumerable());
}
}
