private DatabaseReader(string name, string connectionString, SchemaParameters schemaParameters)
{
_db = new DatabaseSchema(connectionString, name);
_schemaParameters = schemaParameters;
_schemaParameters.DatabaseSchema = _db;
_readerAdapter = ReaderAdapterFactory.Create(_schemaParameters);
}
/// <summary>
/// Initializes a new instance of the <see cref="DatabaseReader"/> class from a DbConnection.
/// </summary>
/// <param name="connection">The connection.</param>
public DatabaseReader(System.Data.Common.DbConnection connection)
{
var name = connection.GetType().Namespace;
_db = new DatabaseSchema(connection.ConnectionString, name);
_schemaParameters = new SchemaParameters(connection)
{
DatabaseSchema = _db
};
_readerAdapter = ReaderAdapterFactory.Create(_schemaParameters);
}
/// <summary>
/// Initializes a new instance of the <see cref="DatabaseReader"/> class for one of the standard providers.
/// </summary>
/// <param name="connectionString">The connection string.</param>
/// <param name="sqlType">Type of the SQL.</param>
public DatabaseReader(string connectionString, SqlType sqlType)
{
if (connectionString == null)
{
throw new ArgumentNullException("connectionString");
}
_schemaParameters = new SchemaParameters(connectionString, sqlType);
_readerAdapter = ReaderAdapterFactory.Create(_schemaParameters);
//_schemaReader = SchemaReaderFactory.Create(connectionString, sqlType);
_db = new DatabaseSchema(connectionString, _schemaParameters.ProviderName);
_schemaParameters.DatabaseSchema = _db;
}
/// <summary>
/// Initializes a new instance of the <see cref="DatabaseReader"/> class for one of the standard providers.
/// </summary>
/// <param name="connectionString">The connection string.</param>
/// <param name="sqlType">Type of the SQL.</param>
/// <param name="additionalParameters"></param>
public DatabaseReader(string connectionString, SqlType sqlType, int commandTimeout, IAdditionalProperties additionalParameters = null)
{
if (connectionString == null)
{
throw new ArgumentNullException("connectionString");
}
_schemaParameters = new SchemaParameters(connectionString, sqlType);
_readerAdapter = ReaderAdapterFactory.Create(_schemaParameters, commandTimeout);
_readerAdapter.AdditionalParameters = additionalParameters;
//_schemaReader = SchemaReaderFactory.Create(connectionString, sqlType);
_db = new DatabaseSchema(connectionString, _schemaParameters.ProviderName);
_schemaParameters.DatabaseSchema = _db;
}
/// <summary>
/// Initializes a new instance of the <see cref="DatabaseReader"/> class using an existing <see cref="DatabaseSchema"/>.
/// </summary>
/// <param name="databaseSchema">The database schema. Can be a subclassed version.</param>
public DatabaseReader(DatabaseSchema databaseSchema)
{
if (databaseSchema == null)
{
throw new ArgumentNullException("databaseSchema");
}
if (databaseSchema.ConnectionString == null)
{
throw new ArgumentException("No connectionString");
}
_schemaParameters = new SchemaParameters(databaseSchema.ConnectionString, databaseSchema.Provider);
_schemaParameters.DatabaseSchema = databaseSchema;
_schemaParameters.Owner = databaseSchema.Owner;
_readerAdapter = ReaderAdapterFactory.Create(_schemaParameters);
_db = databaseSchema;
}
/// <summary>
/// Gets all query columns
/// </summary>
public IList <DatabaseColumn> GetQueryColumns(DbConnection connection, string sql)
{
if (connection == null)
{
throw new ArgumentNullException(nameof(connection));
}
var schemaParameters = new SchemaParameters(connection);
var readerAdapter = ReaderAdapterFactory.Create(schemaParameters);
var types = readerAdapter.DataTypes();
using (var cmd = connection.CreateCommand())
{
cmd.CommandText = sql;
return(GetQueryColumns(cmd, types));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DatabaseReader"/> class using an existing <see cref="DatabaseSchema"/>.
/// </summary>
/// <param name="databaseSchema">The database schema. Can be a subclassed version.</param>
/// <param name="commandTimeout"></param>
/// <param name="additionalParameters"></param>
public DatabaseReader(DatabaseSchema databaseSchema, int commandTimeout, IAdditionalProperties additionalParameters = null)
{
if (databaseSchema == null)
{
throw new ArgumentNullException("databaseSchema");
}
if (databaseSchema.ConnectionString == null)
{
throw new ArgumentException("No connectionString");
}
_schemaParameters = new SchemaParameters(databaseSchema.ConnectionString, databaseSchema.Provider);
_schemaParameters.DatabaseSchema = databaseSchema;
_schemaParameters.Owner = databaseSchema.Owner;
_readerAdapter = ReaderAdapterFactory.Create(_schemaParameters, commandTimeout);
_readerAdapter.AdditionalParameters = additionalParameters;
_db = databaseSchema;
}
