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| Clone Mass | Clones in CloneSet | Parameter Count | Clone Similarity | Syntax Category [Sequence Length] |
|---|---|---|---|---|
| 87 | 2 | 6 | 0.962 | compilation_unit |
| Clone Abstraction | Parameter Bindings |
| Clone Instance (Click to see clone) | Line Count | Source Line | Source File |
|---|---|---|---|
| 1 | 87 | 1 | src/NHibernate/Driver/MySqlDataDriver.cs |
| 2 | 73 | 1 | src/NHibernate/Driver/NpgsqlDriver.cs |
| ||||
using System;
namespace NHibernate.Driver
{
/// <summary>
/// Provides a database driver for MySQL.
/// </summary>
/// <remarks>
/// <para>
/// In order to use this driver you must have the assembly <c>MySql.Data.dll</c> available for
/// NHibernate to load, including its dependencies (<c>ICSharpCode.SharpZipLib.dll</c> is required by
/// the assembly <c>MySql.Data.dll</c> as of the time of this writing).
/// </para>
/// <para>
/// Please check the product's <see href="http://www.mysql.com/products/connector/net/">website</see>
/// for any updates and/or documentation regarding MySQL.
/// </para>
/// </remarks>
public class MySqlDataDriver : ReflectionBasedDriver
{
/// <summary>
/// Initializes a new instance of the <see cref="MySqlDataDriver"/> class.
/// </summary>
/// <exception cref="HibernateException">
/// Thrown when the <c>MySql.Data</c> assembly can not be loaded.
/// </exception>
public MySqlDataDriver() : base(
"MySql.Data",
"MySql.Data.MySqlClient.MySqlConnection",
"MySql.Data.MySqlClient.MySqlCommand")
{
}
/// <summary>
/// MySql.Data uses named parameters in the sql.
/// </summary>
/// <value><see langword="true" /> - MySql uses <c>?</c> in the sql.</value>
public override bool UseNamedPrefixInSql
{
get { return true;
}
}
/// <summary></summary>
public override bool UseNamedPrefixInParameter
{
get { return true;
}
}
/// <summary>
/// MySql.Data use the <c>?</c> to locate parameters in sql.
/// </summary>
/// <value><c>?</c> is used to locate parameters in sql.</value>
public override string NamedPrefix
{
get { return "?";
}
}
/// <summary>
/// The MySql.Data driver does NOT support more than 1 open IDataReader
/// with only 1 IDbConnection.
/// </summary>
/// <value><see langword="false" /> - it is not supported.</value>
public override bool SupportsMultipleOpenReaders
{
get { return false;
}
}
/// <summary>
/// MySql.Data does not support preparing of commands.
/// </summary>
/// <value><see langword="false" /> - it is not supported.</value>
/// <remarks>
/// With the Gamma MySql.Data provider it is throwing an exception with the
/// message "Expected End of data packet" when a select command is prepared.
/// </remarks>
protected override bool SupportsPreparingCommands
{
get { return false;
}
}
public override bool SupportsMultipleQueries
{
get { return true;
}
}
}
}
|
| ||||
namespace NHibernate.Driver
{
/// <summary>
/// The PostgreSQL data provider provides a database driver for PostgreSQL.
/// <p>
/// Author: <a href="mailto:[email protected]">Oliver Weichhold</a>
/// </p>
/// </summary>
/// <remarks>
/// <p>
/// In order to use this Driver you must have the Npgsql.dll Assembly available for
/// NHibernate to load it.
/// </p>
/// <p>
/// Please check the products website
/// <a href="http://www.postgresql.org/">http://www.postgresql.org/</a>
/// for any updates and or documentation.
/// </p>
/// <p>
/// The homepage for the .NET DataProvider is:
/// <a href="http://pgfoundry.org/projects/npgsql">http://pgfoundry.org/projects/npgsql</a>.
/// </p>
/// </remarks>
public class NpgsqlDriver : ReflectionBasedDriver
{
/// <summary>
/// Initializes a new instance of the <see cref="NpgsqlDriver"/> class.
/// </summary>
/// <exception cref="HibernateException">
/// Thrown when the <c>Npgsql</c> assembly can not be loaded.
/// </exception>
public NpgsqlDriver() : base(
"Npgsql",
"Npgsql.NpgsqlConnection",
"Npgsql.NpgsqlCommand")
{
}
public override bool UseNamedPrefixInSql
{
get { return true;
}
}
public override bool UseNamedPrefixInParameter
{
get { return true;
}
}
public override string NamedPrefix
{
get { return ":";
}
}
public override bool SupportsMultipleOpenReaders
{
get { return false;
}
}
protected override bool SupportsPreparingCommands
{
// NOTE: Npgsql1.0 and 2.0-preview apparently doesn't correctly support prepared commands.
// The following exception is thrown on insert statements:
// Npgsql.NpgsqlException : ERROR: 42601: cannot insert multiple commands into a prepared statement
get { return false;
}
}
public override bool SupportsMultipleQueries
{
get { return true;
}
}
}
}
|
| |||
[[#variable70bb4280]]
namespace NHibernate.Driver
{
/// <summary>
/// Provides a database driver for MySQL.
/// The PostgreSQL data provider provides a database driver for PostgreSQL.
/// <p>
/// Author: <a href="mailto:[email protected]">Oliver Weichhold</a>
/// </p>
/// </summary>
/// <remarks>
/// <para>
/// In order to use this driver you must have the assembly <c>MySql.Data.dll</c> available for
/// NHibernate to load, including its dependencies (<c>ICSharpCode.SharpZipLib.dll</c> is required by
/// the assembly <c>MySql.Data.dll</c> as of the time of this writing).
/// </para>
/// <para>
/// Please check the product's <see href="http://www.mysql.com/products/connector/net/">website</see>
/// for any updates and/or documentation regarding MySQL.
/// </para>
/// <p>
/// In order to use this Driver you must have the Npgsql.dll Assembly available for
/// NHibernate to load it.
/// </p>
/// <p>
/// Please check the products website
/// <a href="http://www.postgresql.org/">http://www.postgresql.org/</a>
/// for any updates and or documentation.
/// </p>
/// <p>
/// The homepage for the .NET DataProvider is:
/// <a href="http://pgfoundry.org/projects/npgsql">http://pgfoundry.org/projects/npgsql</a>.
/// </p>
/// </remarks>
public class [[#variable70bb41a0]]: ReflectionBasedDriver
{
/// <summary>
/// Initializes a new instance of the <see cref="MySqlDataDriver"/> class.
/// Initializes a new instance of the <see cref="NpgsqlDriver"/> class.
/// </summary>
/// <exception cref="HibernateException">
/// Thrown when the <c>MySql.Data</c> assembly can not be loaded.
/// Thrown when the <c>Npgsql</c> assembly can not be loaded.
/// </exception>
public [[#variable70bb41a0]](): base( [[#variable70bb41c0]], [[#variable70bb4160]], [[#variable70bb40e0]])
{
}
/// <summary>
/// MySql.Data uses named parameters in the sql.
/// </summary>
/// <value><see langword="true" /> - MySql uses <c>?</c> in the sql.</value>
public override bool UseNamedPrefixInSql
{
get
{
return true;
}
}
/// <summary></summary>
public override bool UseNamedPrefixInParameter
{
get
{
return true;
}
}
/// <summary>
/// MySql.Data use the <c>?</c> to locate parameters in sql.
/// </summary>
/// <value><c>?</c> is used to locate parameters in sql.</value>
public override string NamedPrefix
{
get
{
return [[#variable70bb40c0]];
}
}
/// <summary>
/// The MySql.Data driver does NOT support more than 1 open IDataReader
/// with only 1 IDbConnection.
/// </summary>
/// <value><see langword="false" /> - it is not supported.</value>
public override bool SupportsMultipleOpenReaders
{
get
{
return false;
}
}
/// <summary>
/// MySql.Data does not support preparing of commands.
/// </summary>
/// <value><see langword="false" /> - it is not supported.</value>
/// <remarks>
/// With the Gamma MySql.Data provider it is throwing an exception with the
/// message "Expected End of data packet" when a select command is prepared.
/// </remarks>
protected override bool SupportsPreparingCommands
{
// NOTE: Npgsql1.0 and 2.0-preview apparently doesn't correctly support prepared commands.
// The following exception is thrown on insert statements:
// Npgsql.NpgsqlException : ERROR: 42601: cannot insert multiple commands into a prepared statement
get
{
return false;
}
}
public override bool SupportsMultipleQueries
{
get
{
return true;
}
}
}
}
|
| CloneAbstraction |
| Parameter Index | Clone Instance | Parameter Name | Value |
|---|---|---|---|
| 1 | 1 | [[#70bb4280]] | using System; |
| 1 | 2 | [[#70bb4280]] | |
| 2 | 1 | [[#70bb41a0]] | MySqlDataDriver |
| 2 | 2 | [[#70bb41a0]] | NpgsqlDriver |
| 3 | 1 | [[#70bb41c0]] | "MySql.Data" |
| 3 | 2 | [[#70bb41c0]] | "Npgsql" |
| 4 | 1 | [[#70bb4160]] | "MySql.Data.MySqlClient.MySqlConnection" |
| 4 | 2 | [[#70bb4160]] | "Npgsql.NpgsqlConnection" |
| 5 | 1 | [[#70bb40e0]] | "MySql.Data.MySqlClient.MySqlCommand" |
| 5 | 2 | [[#70bb40e0]] | "Npgsql.NpgsqlCommand" |
| 6 | 1 | [[#70bb40c0]] | "?" |
| 6 | 2 | [[#70bb40c0]] | ":" |