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#if MYSQL_6_9
// Copyright © 2004, 2013, Oracle and/or its affiliates. All rights reserved.
//
// MySQL Connector/NET is licensed under the terms of the GPLv2
// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
// MySQL Connectors. There are special exceptions to the terms and
// conditions of the GPLv2 as it is applied to this software, see the
// FLOSS License Exception
// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published
// by the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
using System;
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Data;
using System.Data.Common;
using System.Globalization;
using System.Reflection;
using ParameterDirection = System.Data.ParameterDirection;
namespace Externals.MySql.Data.MySqlClient
{
[TypeConverter(typeof(MySqlParameterConverter))]
internal sealed partial class MySqlParameter : DbParameter, IDataParameter, IDbDataParameter
{
private DbType dbType;
/// <summary>
/// Initializes a new instance of the <see cref="MySqlParameter"/> class with the parameter name, the <see cref="MySqlDbType"/>, the size, and the source column name.
/// </summary>
/// <param name="parameterName">The name of the parameter to map. </param>
/// <param name="dbType">One of the <see cref="MySqlDbType"/> values. </param>
/// <param name="size">The length of the parameter. </param>
/// <param name="sourceColumn">The name of the source column. </param>
public MySqlParameter(string parameterName, MySqlDbType dbType, int size, string sourceColumn) : this(parameterName, dbType)
{
Size = size;
Direction = ParameterDirection.Input;
SourceColumn = sourceColumn;
SourceVersion = DataRowVersion.Current;
}
/// <summary>
/// Initializes a new instance of the <see cref="MySqlParameter"/> class with the parameter name, the type of the parameter, the size of the parameter, a <see cref="ParameterDirection"/>, the precision of the parameter, the scale of the parameter, the source column, a <see cref="DataRowVersion"/> to use, and the value of the parameter.
/// </summary>
/// <param name="parameterName">The name of the parameter to map. </param>
/// <param name="dbType">One of the <see cref="MySqlDbType"/> values. </param>
/// <param name="size">The length of the parameter. </param>
/// <param name="direction">One of the <see cref="ParameterDirection"/> values. </param>
/// <param name="isNullable">true if the value of the field can be null, otherwise false. </param>
/// <param name="precision">The total number of digits to the left and right of the decimal point to which <see cref="MySqlParameter.Value"/> is resolved.</param>
/// <param name="scale">The total number of decimal places to which <see cref="MySqlParameter.Value"/> is resolved. </param>
/// <param name="sourceColumn">The name of the source column. </param>
/// <param name="sourceVersion">One of the <see cref="DataRowVersion"/> values. </param>
/// <param name="value">An <see cref="Object"/> that is the value of the <see cref="MySqlParameter"/>. </param>
/// <exception cref="ArgumentException"/>
public MySqlParameter(string parameterName, MySqlDbType dbType, int size, ParameterDirection direction,
bool isNullable, byte precision, byte scale, string sourceColumn,
DataRowVersion sourceVersion,
object value)
: this(parameterName, dbType, size, sourceColumn)
{
Direction = direction;
SourceVersion = sourceVersion;
IsNullable = isNullable;
Precision = precision;
Scale = scale;
Value = value;
}
internal MySqlParameter(string name, MySqlDbType type, ParameterDirection dir, string col, DataRowVersion ver, object val)
: this(name, type)
{
Direction = dir;
SourceColumn = col;
SourceVersion = ver;
Value = val;
}
partial void Init()
{
SourceVersion = DataRowVersion.Current;
Direction = ParameterDirection.Input;
}
/// <summary>
/// Gets or sets the <see cref="DataRowVersion"/> to use when loading <see cref="Value"/>.
/// </summary>
[Category("Data")]
public override DataRowVersion SourceVersion { get; set; }
/// <summary>
/// Gets or sets the name of the source column that is mapped to the <see cref="DataSet"/> and used for loading or returning the <see cref="Value"/>.
/// </summary>
[Category("Data")]
public override String SourceColumn { get; set; }
/// <summary>
/// Resets the <b>DbType</b> property to its original settings.
/// </summary>
public override void ResetDbType()
{
inferType = true;
}
/// <summary>
/// Sets or gets a value which indicates whether the source column is nullable.
/// This allows <see cref="DbCommandBuilder"/> to correctly generate Update statements
/// for nullable columns.
/// </summary>
public override bool SourceColumnNullMapping { get; set; }
/// <summary>
/// Gets or sets the <see cref="DbType"/> of the parameter.
/// </summary>
public override DbType DbType
{
get { return dbType; }
set
{
SetDbType(value);
inferType = false;
}
}
partial void SetDbTypeFromMySqlDbType()
{
switch (mySqlDbType)
{
case MySqlDbType.NewDecimal:
case MySqlDbType.Decimal:
dbType = DbType.Decimal;
break;
case MySqlDbType.Byte:
dbType = DbType.SByte;
break;
case MySqlDbType.UByte:
dbType = DbType.Byte;
break;
case MySqlDbType.Int16:
dbType = DbType.Int16;
break;
case MySqlDbType.UInt16:
dbType = DbType.UInt16;
break;
case MySqlDbType.Int24:
case MySqlDbType.Int32:
dbType = DbType.Int32;
break;
case MySqlDbType.UInt24:
case MySqlDbType.UInt32:
dbType = DbType.UInt32;
break;
case MySqlDbType.Int64:
dbType = DbType.Int64;
break;
case MySqlDbType.UInt64:
dbType = DbType.UInt64;
break;
case MySqlDbType.Bit:
dbType = DbType.UInt64;
break;
case MySqlDbType.Float:
dbType = DbType.Single;
break;
case MySqlDbType.Double:
dbType = DbType.Double;
break;
case MySqlDbType.Timestamp:
case MySqlDbType.DateTime:
dbType = DbType.DateTime;
break;
case MySqlDbType.Date:
case MySqlDbType.Newdate:
case MySqlDbType.Year:
dbType = DbType.Date;
break;
case MySqlDbType.Time:
dbType = DbType.Time;
break;
case MySqlDbType.Enum:
case MySqlDbType.Set:
case MySqlDbType.VarChar:
dbType = DbType.String;
break;
case MySqlDbType.TinyBlob:
case MySqlDbType.MediumBlob:
case MySqlDbType.LongBlob:
case MySqlDbType.Blob:
dbType = DbType.Object;
break;
case MySqlDbType.String:
dbType = DbType.StringFixedLength;
break;
case MySqlDbType.Guid:
dbType = DbType.Guid;
break;
}
}
private void SetDbType(DbType db_type)
{
dbType = db_type;
switch (dbType)
{
case DbType.Guid:
mySqlDbType = MySqlDbType.Guid;
break;
case DbType.AnsiString:
case DbType.String:
mySqlDbType = MySqlDbType.VarChar;
break;
case DbType.AnsiStringFixedLength:
case DbType.StringFixedLength:
mySqlDbType = MySqlDbType.String;
break;
case DbType.Boolean:
case DbType.Byte:
mySqlDbType = MySqlDbType.UByte;
break;
case DbType.SByte:
mySqlDbType = MySqlDbType.Byte;
break;
case DbType.Date:
mySqlDbType = MySqlDbType.Date;
break;
case DbType.DateTime:
mySqlDbType = MySqlDbType.DateTime;
break;
case DbType.Time:
mySqlDbType = MySqlDbType.Time;
break;
case DbType.Single:
mySqlDbType = MySqlDbType.Float;
break;
case DbType.Double:
mySqlDbType = MySqlDbType.Double;
break;
case DbType.Int16:
mySqlDbType = MySqlDbType.Int16;
break;
case DbType.UInt16:
mySqlDbType = MySqlDbType.UInt16;
break;
case DbType.Int32:
mySqlDbType = MySqlDbType.Int32;
break;
case DbType.UInt32:
mySqlDbType = MySqlDbType.UInt32;
break;
case DbType.Int64:
mySqlDbType = MySqlDbType.Int64;
break;
case DbType.UInt64:
mySqlDbType = MySqlDbType.UInt64;
break;
case DbType.Decimal:
case DbType.Currency:
mySqlDbType = MySqlDbType.Decimal;
break;
case DbType.Object:
case DbType.VarNumeric:
case DbType.Binary:
default:
mySqlDbType = MySqlDbType.Blob;
break;
}
if (dbType == DbType.Object)
{
var value = this.paramValue as byte[];
if (value != null && value.Length == GEOMETRY_LENGTH)
mySqlDbType = MySqlDbType.Geometry;
}
ValueObject = MySqlField.GetIMySqlValue(mySqlDbType);
}
}
internal class MySqlParameterConverter : TypeConverter
{
public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
{
if (destinationType == typeof(InstanceDescriptor))
{
return true;
}
// Always call the base to see if it can perform the conversion.
return base.CanConvertTo(context, destinationType);
}
public override object ConvertTo(ITypeDescriptorContext context,
CultureInfo culture, object value, Type destinationType)
{
if (destinationType == typeof(InstanceDescriptor))
{
ConstructorInfo ci = typeof(MySqlParameter).GetConstructor(
new Type[]
{
typeof (string), typeof (MySqlDbType), typeof (int), typeof (ParameterDirection),
typeof (bool), typeof (byte), typeof (byte), typeof (string), typeof (DataRowVersion),
typeof (object)
});
MySqlParameter p = (MySqlParameter)value;
return new InstanceDescriptor(ci, new object[]
{
p.ParameterName, p.DbType, p.Size, p.Direction,
p.IsNullable, p.Precision,
p.Scale, p.SourceColumn, p.SourceVersion, p.Value
});
}
// Always call base, even if you can't convert.
return base.ConvertTo(context, culture, value, destinationType);
}
}
}
#endif