com.singlestore.jdbc.client.column

Class BsonColumn

java.lang.Object

com.singlestore.jdbc.message.server.ColumnDefinitionPacket

com.singlestore.jdbc.client.column.StringColumn

com.singlestore.jdbc.client.column.BlobColumn

com.singlestore.jdbc.client.column.BsonColumn

All Implemented Interfaces:

com.singlestore.jdbc.client.Column, com.singlestore.jdbc.client.ColumnDecoder, com.singlestore.jdbc.message.ServerMessage

public class BsonColumn
extends BlobColumn

Field Summary

Fields inherited from class com.singlestore.jdbc.message.server.ColumnDefinitionPacket

charset, columnLength, dataType, decimals, extTypeFormat, extTypeName

Constructor Summary

Constructors

Constructor and Description
BsonColumn(BsonColumn prev) Recreate new column using alias as name.
BsonColumn(com.singlestore.jdbc.client.ReadableByteBuf buf, int charset, long length, com.singlestore.jdbc.client.DataType dataType, byte decimals, int flags, int[] stringPos, String extTypeName, String extTypeFormat) BSON metadata type decoder

Method Summary

Modifier and Type	Method and Description
boolean	decodeBooleanBinary(com.singlestore.jdbc.client.ReadableByteBuf buf, MutableInt length) Parse boolean binary encoded value
boolean	decodeBooleanText(com.singlestore.jdbc.client.ReadableByteBuf buf, MutableInt length) Return boolean text encoded value
String	defaultClassname(Configuration conf) Returns default class name depending on server column datatype
int	getColumnType(Configuration conf) Returns default java.sql.Types depending on server column datatype
String	getColumnTypeName(Configuration conf) Returns server column datatype
Object	getDefaultBinary(Configuration conf, com.singlestore.jdbc.client.ReadableByteBuf buf, MutableInt length) Return default Object binary encoded
Object	getDefaultText(Configuration conf, com.singlestore.jdbc.client.ReadableByteBuf buf, MutableInt length) Return default Object text encoded
BsonColumn	useAliasAsName()

Methods inherited from class com.singlestore.jdbc.client.column.BlobColumn

decodeByteBinary, decodeByteText, decodeDateBinary, decodeDateText, decodeDoubleBinary, decodeDoubleText, decodeFloatBinary, decodeFloatText, decodeIntBinary, decodeIntText, decodeLongBinary, decodeLongText, decodeShortBinary, decodeShortText, decodeStringBinary, decodeStringText, decodeTimeBinary, decodeTimestampBinary, decodeTimestampText, decodeTimeText, getPrecision

Methods inherited from class com.singlestore.jdbc.message.server.ColumnDefinitionPacket

equals, getCatalog, getColumnAlias, getColumnLength, getColumnName, getDecimals, getDisplaySize, getExtTypeFormat, getExtTypeName, getFlags, getSchema, getTable, getTableAlias, getType, hasDefault, hashCode, isAutoIncrement, isBinary, isPrimaryKey, isSigned

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.singlestore.jdbc.client.ColumnDecoder

create, decode, decodeStd

Methods inherited from interface com.singlestore.jdbc.client.Column

getCatalog, getColumnAlias, getColumnLength, getColumnName, getDecimals, getDisplaySize, getExtTypeFormat, getExtTypeName, getFlags, getSchema, getTable, getTableAlias, getType, hasDefault, isAutoIncrement, isBinary, isPrimaryKey, isSigned

Constructor Detail

BsonColumn

public BsonColumn(com.singlestore.jdbc.client.ReadableByteBuf buf,
                  int charset,
                  long length,
                  com.singlestore.jdbc.client.DataType dataType,
                  byte decimals,
                  int flags,
                  int[] stringPos,
                  String extTypeName,
                  String extTypeFormat)

BSON metadata type decoder

Parameters:

buf - buffer

charset - charset

length - maximum data length

dataType - data type

decimals - decimal length

flags - flags

stringPos - string offset position in buffer

extTypeName - extended type name

extTypeFormat - extended type format

BsonColumn

public BsonColumn(BsonColumn prev)

Recreate new column using alias as name.

Parameters:

prev - current column

Method Detail

useAliasAsName

public BsonColumn useAliasAsName()

Specified by:

useAliasAsName in interface com.singlestore.jdbc.client.ColumnDecoder

Overrides:

useAliasAsName in class BlobColumn

defaultClassname

public String defaultClassname(Configuration conf)

Description copied from interface: com.singlestore.jdbc.client.ColumnDecoder

Returns default class name depending on server column datatype

Specified by:

defaultClassname in interface com.singlestore.jdbc.client.ColumnDecoder

Overrides:

defaultClassname in class BlobColumn

Parameters:

conf - configuration

Returns:

default class name

getColumnType

public int getColumnType(Configuration conf)

Description copied from interface: com.singlestore.jdbc.client.ColumnDecoder

Returns default java.sql.Types depending on server column datatype

Specified by:

getColumnType in interface com.singlestore.jdbc.client.ColumnDecoder

Overrides:

getColumnType in class BlobColumn

Parameters:

conf - configuration

Returns:

default java.sql.Types

getColumnTypeName

public String getColumnTypeName(Configuration conf)

Description copied from interface: com.singlestore.jdbc.client.ColumnDecoder

Returns server column datatype

Specified by:

getColumnTypeName in interface com.singlestore.jdbc.client.ColumnDecoder

Overrides:

getColumnTypeName in class BlobColumn

Parameters:

conf - configuration

Returns:

default server column datatype

getDefaultText

public Object getDefaultText(Configuration conf,
                             com.singlestore.jdbc.client.ReadableByteBuf buf,
                             MutableInt length)
                      throws SQLDataException

Description copied from interface: com.singlestore.jdbc.client.ColumnDecoder

Return default Object text encoded

Specified by:

getDefaultText in interface com.singlestore.jdbc.client.ColumnDecoder

Overrides:

getDefaultText in class BlobColumn

Parameters:

conf - configuration

buf - row buffer

length - data length

Returns:

default Object

Throws:

SQLDataException - if any decoding error occurs

getDefaultBinary

public Object getDefaultBinary(Configuration conf,
                               com.singlestore.jdbc.client.ReadableByteBuf buf,
                               MutableInt length)
                        throws SQLDataException

Description copied from interface: com.singlestore.jdbc.client.ColumnDecoder

Return default Object binary encoded

Specified by:

getDefaultBinary in interface com.singlestore.jdbc.client.ColumnDecoder

Overrides:

getDefaultBinary in class BlobColumn

Parameters:

conf - configuration

buf - row buffer

length - data length

Returns:

default Object

Throws:

SQLDataException - if any decoding error occurs

decodeBooleanText

public boolean decodeBooleanText(com.singlestore.jdbc.client.ReadableByteBuf buf,
                                 MutableInt length)
                          throws SQLDataException

Description copied from interface: com.singlestore.jdbc.client.ColumnDecoder

Return boolean text encoded value

Specified by:

decodeBooleanText in interface com.singlestore.jdbc.client.ColumnDecoder

Overrides:

decodeBooleanText in class BlobColumn

Parameters:

buf - row buffer

length - data length

Returns:

boolean value

Throws:

SQLDataException - if any decoding error occurs

decodeBooleanBinary

public boolean decodeBooleanBinary(com.singlestore.jdbc.client.ReadableByteBuf buf,
                                   MutableInt length)
                            throws SQLDataException

Description copied from interface: com.singlestore.jdbc.client.ColumnDecoder

Parse boolean binary encoded value

Specified by:

decodeBooleanBinary in interface com.singlestore.jdbc.client.ColumnDecoder

Overrides:

decodeBooleanBinary in class BlobColumn

Parameters:

buf - row buffer

length - data length

Returns:

boolean value

Throws:

SQLDataException - if any decoding error occurs