|
public static GetCharacterSet ( MySql.Data.Common.DBVersion version, string CharSetName ) : |
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| version | MySql.Data.Common.DBVersion | |
| CharSetName | string | |
| return | ||
private void SetFieldEncoding()
{
Dictionary <int, string> characterSets = this.driver.CharacterSets;
DBVersion version = this.driver.Version;
if (characterSets == null || characterSets.Count == 0 || this.CharacterSetIndex == -1)
{
return;
}
if (characterSets[this.CharacterSetIndex] == null)
{
return;
}
CharacterSet characterSet = CharSetMap.GetCharacterSet(version, characterSets[this.CharacterSetIndex]);
if (characterSet.name.ToLower(CultureInfo.InvariantCulture) == "utf-8" && version.Major >= 6)
{
this.MaxLength = 4;
}
else
{
this.MaxLength = characterSet.byteCount;
}
this.Encoding = CharSetMap.GetEncoding(version, characterSets[this.CharacterSetIndex]);
}
private void SetFieldEncoding()
{
Hashtable charSets = driver.CharacterSets;
DBVersion version = driver.Version;
if (charSets == null || CharacterSetIndex == -1)
{
return;
}
if (charSets[CharacterSetIndex] == null)
{
return;
}
CharacterSet cs = CharSetMap.GetCharacterSet(version, (string)charSets[CharacterSetIndex]);
// starting with 6.0.4 utf8 has a maxlen of 4 instead of 3. The old
// 3 byte utf8 is utf8mb3
if (cs.name.ToLower(System.Globalization.CultureInfo.InvariantCulture) == "utf-8" &&
version.Major >= 6)
{
MaxLength = 4;
}
else
{
MaxLength = cs.byteCount;
}
Encoding = CharSetMap.GetEncoding(version, (string)charSets[CharacterSetIndex]);
}
private void SetFieldEncoding()
{
Dictionary <int, string> charSets = driver.CharacterSets;
DBVersion version = driver.Version;
if (charSets == null || charSets.Count == 0 || CharacterSetIndex == -1)
{
return;
}
if (charSets[CharacterSetIndex] == null)
{
return;
}
CharacterSet cs = CharSetMap.GetCharacterSet(version, (string)charSets[CharacterSetIndex]);
// starting with 6.0.4 utf8 has a maxlen of 4 instead of 3. The old
// 3 byte utf8 is utf8mb3
if (cs.name.ToLowerInvariant() == "utf-8" &&
version.Major >= 6)
{
MaxLength = 4;
}
else
{
MaxLength = cs.byteCount;
}
Encoding = CharSetMap.GetEncoding(version, (string)charSets[CharacterSetIndex]);
}
private MySqlField GetFieldMetaData41()
{
MySqlField field = new MySqlField(connection);
stream.OpenPacket();
field.Encoding = encoding;
field.CatalogName = stream.ReadLenString();
field.DatabaseName = stream.ReadLenString();
field.TableName = stream.ReadLenString();
field.RealTableName = stream.ReadLenString();
field.ColumnName = stream.ReadLenString();
field.OriginalColumnName = stream.ReadLenString();
stream.ReadByte();
field.CharacterSetIndex = stream.ReadInteger(2);
field.ColumnLength = stream.ReadInteger(4);
MySqlDbType type = (MySqlDbType)stream.ReadByte();
ColumnFlags colFlags;
if ((Flags & ClientFlags.LONG_FLAG) != 0)
{
colFlags = (ColumnFlags)stream.ReadInteger(2);
}
else
{
colFlags = (ColumnFlags)stream.ReadByte();
}
field.SetTypeAndFlags(type, colFlags);
field.Scale = (byte)stream.ReadByte();
if (stream.HasMoreData)
{
stream.ReadInteger(2); // reserved
}
if (charSets != null && field.CharacterSetIndex != -1)
{
CharacterSet cs = CharSetMap.GetCharacterSet(Version, (string)charSets[field.CharacterSetIndex]);
// starting with 6.0.4 utf8 has a maxlen of 4 instead of 3. The old
// 3 byte utf8 is utf8mb3
if (cs.name.ToLower(System.Globalization.CultureInfo.InvariantCulture) == "utf-8" &&
Version.Major >= 6)
{
field.MaxLength = 4;
}
else
{
field.MaxLength = cs.byteCount;
}
field.Encoding = CharSetMap.GetEncoding(version, (string)charSets[field.CharacterSetIndex]);
}
return(field);
}
public static Encoding GetEncoding(DBVersion version, string CharSetName)
{
Encoding encoding;
try
{
encoding = Encoding.GetEncoding(CharSetMap.GetCharacterSet(version, CharSetName).name);
}
catch (NotSupportedException)
{
encoding = Encoding.GetEncoding("gbk");
}
return(encoding);
}
private void SetFieldEncoding()
{
Dictionary <int, string> charSets = driver.CharacterSets;
DBVersion version = driver.Version;
if (charSets == null || charSets.Count == 0 || CharacterSetIndex == -1)
{
return;
}
if (charSets[CharacterSetIndex] == null)
{
return;
}
CharacterSet cs = CharSetMap.GetCharacterSet(version, (string)charSets[CharacterSetIndex]);
MaxLength = cs.byteCount;
Encoding = CharSetMap.GetEncoding(version, (string)charSets[CharacterSetIndex]);
}