| public SetTypeAndFlags ( MySqlDbType type, ColumnFlags flags ) : void | ||
| type | MySqlDbType | |
| flags | ColumnFlags | |
| Результат | void | |
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);
}
private MySqlField GetFieldMetaData41()
{
MySqlField field = new MySqlField(this.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();
byte b = (byte)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)
{
int reserved = stream.ReadInteger(2); // reserved
}
if (charSets != null)
{
CharacterSet cs = CharSetMap.GetChararcterSet(this.Version, (string)charSets[field.CharacterSetIndex]);
field.MaxLength = cs.byteCount;
field.Encoding = CharSetMap.GetEncoding(this.version, (string)charSets[field.CharacterSetIndex]);
}
return(field);
}
private void GetColumnData(MySqlField field)
{
stream.Encoding = Encoding;
packet = stream.ReadPacket();
field.Encoding = Encoding;
field.CatalogName = packet.ReadLenString();
field.DatabaseName = packet.ReadLenString();
field.TableName = packet.ReadLenString();
field.RealTableName = packet.ReadLenString();
field.ColumnName = packet.ReadLenString();
field.OriginalColumnName = packet.ReadLenString();
packet.ReadByte();
field.CharacterSetIndex = packet.ReadInteger(2);
field.ColumnLength = packet.ReadInteger(4);
MySqlDbType type = (MySqlDbType)packet.ReadByte();
ColumnFlags colFlags;
if ((connectionFlags & ClientFlags.LONG_FLAG) != 0)
{
colFlags = (ColumnFlags)packet.ReadInteger(2);
}
else
{
colFlags = (ColumnFlags)packet.ReadByte();
}
field.Scale = (byte)packet.ReadByte();
if (packet.HasMoreData)
{
packet.ReadInteger(2); // reserved
}
if (type == MySqlDbType.Decimal || type == MySqlDbType.NewDecimal)
{
field.Precision = (byte)(field.ColumnLength - 2);
if ((colFlags & ColumnFlags.UNSIGNED) != 0)
{
field.Precision++;
}
}
field.SetTypeAndFlags(type, colFlags);
}
private void GetColumnData(MySqlField field)
{
this.stream.Encoding = this.Encoding;
this.packet = this.stream.ReadPacket();
field.Encoding = this.Encoding;
field.CatalogName = this.packet.ReadLenString();
field.DatabaseName = this.packet.ReadLenString();
field.TableName = this.packet.ReadLenString();
field.RealTableName = this.packet.ReadLenString();
field.ColumnName = this.packet.ReadLenString();
field.OriginalColumnName = this.packet.ReadLenString();
this.packet.ReadByte();
field.CharacterSetIndex = this.packet.ReadInteger(2);
field.ColumnLength = this.packet.ReadInteger(4);
MySqlDbType mySqlDbType = (MySqlDbType)this.packet.ReadByte();
ColumnFlags columnFlags;
if ((this.connectionFlags & ClientFlags.LONG_FLAG) != (ClientFlags)0uL)
{
columnFlags = (ColumnFlags)this.packet.ReadInteger(2);
}
else
{
columnFlags = (ColumnFlags)this.packet.ReadByte();
}
field.Scale = this.packet.ReadByte();
if (this.packet.HasMoreData)
{
this.packet.ReadInteger(2);
}
if (mySqlDbType == MySqlDbType.Decimal || mySqlDbType == MySqlDbType.NewDecimal)
{
field.Precision = (byte)(field.ColumnLength - 2);
if ((columnFlags & ColumnFlags.UNSIGNED) != (ColumnFlags)0)
{
byte precision = field.Precision;
field.Precision = (byte)(precision + 1);
}
}
field.SetTypeAndFlags(mySqlDbType, columnFlags);
}
private MySqlField GetFieldMetaData()
{
MySqlField field;
stream.Encoding = encoding;
if (version.isAtLeast(4, 1, 0))
{
field = GetFieldMetaData41();
}
else
{
stream.OpenPacket();
field = new MySqlField(connection);
field.Encoding = encoding;
field.TableName = stream.ReadLenString();
field.ColumnName = stream.ReadLenString();
field.ColumnLength = stream.ReadNBytes();
MySqlDbType type = (MySqlDbType)stream.ReadNBytes();
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 (!version.isAtLeast(3, 23, 15) && version.isAtLeast(3, 23, 0))
{
field.Scale++;
}
}
return(field);
}
private MySqlField GetFieldMetaData()
{
MySqlField mySqlField;
if (this.version.isAtLeast(4, 1, 0))
{
mySqlField = this.GetFieldMetaData41();
}
else
{
this.reader.OpenPacket();
mySqlField = new MySqlField(base.Version);
mySqlField.Encoding = this.encoding;
mySqlField.TableName = (mySqlField.RealTableName = this.reader.ReadLenString());
mySqlField.ColumnName = this.reader.ReadLenString();
mySqlField.ColumnLength = this.reader.ReadNBytes();
MySqlDbType type = (MySqlDbType)this.reader.ReadNBytes();
this.reader.ReadByte();
ColumnFlags flags;
if ((this.Flags & ClientFlags.LONG_FLAG) != (ClientFlags)0)
{
flags = (ColumnFlags)this.reader.ReadInteger(2);
}
else
{
flags = (ColumnFlags)this.reader.ReadByte();
}
mySqlField.SetTypeAndFlags(type, flags);
mySqlField.Scale = (byte)this.reader.ReadByte();
if (!this.version.isAtLeast(3, 23, 15) && this.version.isAtLeast(3, 23, 0))
{
MySqlField expr_F8 = mySqlField;
expr_F8.Scale += 1;
}
}
return(mySqlField);
}
private MySqlField GetFieldMetaData41()
{
MySqlField mySqlField = new MySqlField(base.Version);
this.reader.OpenPacket();
mySqlField.Encoding = this.encoding;
mySqlField.CatalogName = this.reader.ReadLenString();
mySqlField.DatabaseName = this.reader.ReadLenString();
mySqlField.TableName = this.reader.ReadLenString();
mySqlField.RealTableName = this.reader.ReadLenString();
mySqlField.ColumnName = this.reader.ReadLenString();
mySqlField.OriginalColumnName = this.reader.ReadLenString();
this.reader.ReadByte();
mySqlField.CharacterSetIndex = this.reader.ReadInteger(2);
mySqlField.ColumnLength = this.reader.ReadInteger(4);
MySqlDbType type = (MySqlDbType)this.reader.ReadByte();
ColumnFlags flags;
if ((this.Flags & ClientFlags.LONG_FLAG) != (ClientFlags)0)
{
flags = (ColumnFlags)this.reader.ReadInteger(2);
}
else
{
flags = (ColumnFlags)this.reader.ReadByte();
}
mySqlField.SetTypeAndFlags(type, flags);
mySqlField.Scale = (byte)this.reader.ReadByte();
if (this.charSets != null)
{
CharacterSet chararcterSet = CharSetMap.GetChararcterSet(base.Version, (string)this.charSets[mySqlField.CharacterSetIndex]);
mySqlField.MaxLength = chararcterSet.byteCount;
mySqlField.Encoding = CharSetMap.GetEncoding(this.version, (string)this.charSets[mySqlField.CharacterSetIndex]);
}
return(mySqlField);
}
private void GetColumnData(MySqlField field)
{
stream.Encoding = Encoding;
packet = stream.ReadPacket();
field.Encoding = Encoding;
field.CatalogName = packet.ReadLenString();
field.DatabaseName = packet.ReadLenString();
field.TableName = packet.ReadLenString();
field.RealTableName = packet.ReadLenString();
field.ColumnName = packet.ReadLenString();
field.OriginalColumnName = packet.ReadLenString();
packet.ReadByte();
field.CharacterSetIndex = packet.ReadInteger(2);
field.ColumnLength = packet.ReadInteger(4);
MySqlDbType type = (MySqlDbType)packet.ReadByte();
ColumnFlags colFlags;
if ((connectionFlags & ClientFlags.LONG_FLAG) != 0)
colFlags = (ColumnFlags)packet.ReadInteger(2);
else
colFlags = (ColumnFlags)packet.ReadByte();
field.Scale = (byte)packet.ReadByte();
if (packet.HasMoreData)
{
packet.ReadInteger(2); // reserved
}
if (type == MySqlDbType.Decimal || type == MySqlDbType.NewDecimal)
{
field.Precision = (byte)(field.ColumnLength - 2);
if ((colFlags & ColumnFlags.UNSIGNED) != 0)
field.Precision++;
}
field.SetTypeAndFlags(type, colFlags);
}
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.GetChararcterSet(Version, (string) charSets[field.CharacterSetIndex]);
field.MaxLength = cs.byteCount;
field.Encoding = CharSetMap.GetEncoding(version, (string) charSets[field.CharacterSetIndex]);
}
return field;
}
private MySqlField GetFieldMetaData()
{
MySqlField field;
if (version.isAtLeast(4, 1, 0))
field = GetFieldMetaData41();
else
{
stream.OpenPacket();
field = new MySqlField(connection);
field.Encoding = encoding;
field.TableName = stream.ReadLenString();
field.ColumnName = stream.ReadLenString();
field.ColumnLength = stream.ReadNBytes();
MySqlDbType type = (MySqlDbType) stream.ReadNBytes();
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 (!version.isAtLeast(3, 23, 15) && version.isAtLeast(3, 23, 0))
field.Scale++;
}
return field;
}