com.singlestore.jdbc.client.column

Class JsonColumn

java.lang.Object

com.singlestore.jdbc.message.server.ColumnDefinitionPacket

com.singlestore.jdbc.client.column.StringColumn

com.singlestore.jdbc.client.column.JsonColumn

All Implemented Interfaces:

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

public class JsonColumn
extends StringColumn
implements com.singlestore.jdbc.client.ColumnDecoder

Column metadata definition

Field Summary

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

charset, columnLength, dataType, decimals, extTypeFormat, extTypeName

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JsonColumn(JsonColumn prev) Recreate new column using alias as name.
	JsonColumn(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) JSON metadata type decoder

Method Summary

Modifier and Type	Method and Description
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
int	getPrecision() Return decimal precision.
JsonColumn	useAliasAsName()

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

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

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, decodeBooleanBinary, decodeBooleanText, decodeByteBinary, decodeByteText, decodeDateBinary, decodeDateText, decodeDoubleBinary, decodeDoubleText, decodeFloatBinary, decodeFloatText, decodeIntBinary, decodeIntText, decodeLongBinary, decodeLongText, decodeShortBinary, decodeShortText, decodeStd, decodeStringBinary, decodeStringText, decodeTimeBinary, decodeTimestampBinary, decodeTimestampText, decodeTimeText, getDefaultBinary, getDefaultText

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

JsonColumn

public JsonColumn(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)

JSON 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

JsonColumn

protected JsonColumn(JsonColumn prev)

Recreate new column using alias as name.

Parameters:

prev - current column

Method Detail

useAliasAsName

public JsonColumn useAliasAsName()

Specified by:

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

Overrides:

useAliasAsName in class StringColumn

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 StringColumn

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 StringColumn

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 StringColumn

Parameters:

conf - configuration

Returns:

default server column datatype

getPrecision

public int getPrecision()

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

Return decimal precision.

Specified by:

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

Overrides:

getPrecision in class StringColumn

Returns:

decimal precision