Package org.mariadb.jdbc.client

Interface ColumnDecoder

All Superinterfaces:

Column

All Known Implementing Classes:

BigDecimalColumn, BitColumn, BlobColumn, DateColumn, DoubleColumn, FloatColumn, GeometryColumn, JsonColumn, SignedBigIntColumn, SignedIntColumn, SignedMediumIntColumn, SignedSmallIntColumn, SignedTinyIntColumn, StringColumn, TimeColumn, TimestampColumn, UnsignedBigIntColumn, UnsignedIntColumn, UnsignedMediumIntColumn, UnsignedSmallIntColumn, UnsignedTinyIntColumn, UuidColumn, YearColumn

public interface ColumnDecoder
extends Column

Method Summary

Modifier and Type	Method	Description
static ColumnDecoder	create(String name, DataType type, int flags)	Create fake MySQL column definition packet with indicated datatype
static ColumnDecoder	decode(ReadableByteBuf buf)	Decode Column from mysql packet
boolean	decodeBooleanBinary(ReadableByteBuf buf, MutableInt length)	Parse boolean binary encoded value
boolean	decodeBooleanText(ReadableByteBuf buf, MutableInt length)	Return boolean text encoded value
byte	decodeByteBinary(ReadableByteBuf buf, MutableInt length)	Return byte binary encoded value
byte	decodeByteText(ReadableByteBuf buf, MutableInt length)	Return byte text encoded value
Date	decodeDateBinary(ReadableByteBuf buf, MutableInt length, Calendar cal, Context context)	Return date binary encoded value
Date	decodeDateText(ReadableByteBuf buf, MutableInt length, Calendar cal, Context context)	Return date text encoded value
double	decodeDoubleBinary(ReadableByteBuf buf, MutableInt length)	Parse double binary encoded value
double	decodeDoubleText(ReadableByteBuf buf, MutableInt length)	Parse double text encoded value
float	decodeFloatBinary(ReadableByteBuf buf, MutableInt length)	Parse float binary encoded value
float	decodeFloatText(ReadableByteBuf buf, MutableInt length)	Parse float text encoded value
int	decodeIntBinary(ReadableByteBuf buf, MutableInt length)	Parse int binary encoded value
int	decodeIntText(ReadableByteBuf buf, MutableInt length)	Parse int text encoded value
long	decodeLongBinary(ReadableByteBuf buf, MutableInt length)	Parse long binary encoded value
long	decodeLongText(ReadableByteBuf buf, MutableInt length)	Parse long text encoded value
short	decodeShortBinary(ReadableByteBuf buf, MutableInt length)	Parse short binary encoded value
short	decodeShortText(ReadableByteBuf buf, MutableInt length)	Parse short text encoded value
static ColumnDecoder	decodeStd(ReadableByteBuf buf)	Decode Column from mysql packet
String	decodeStringBinary(ReadableByteBuf buf, MutableInt length, Calendar cal, Context context)	Return String binary encoded value
String	decodeStringText(ReadableByteBuf buf, MutableInt length, Calendar cal, Context context)	Return String text encoded value
Time	decodeTimeBinary(ReadableByteBuf buf, MutableInt length, Calendar cal, Context context)	Return time binary encoded value
Timestamp	decodeTimestampBinary(ReadableByteBuf buf, MutableInt length, Calendar cal, Context context)	Return timestamp binary encoded value
Timestamp	decodeTimestampText(ReadableByteBuf buf, MutableInt length, Calendar cal, Context context)	Return timestamp text encoded value
Time	decodeTimeText(ReadableByteBuf buf, MutableInt length, Calendar cal, Context context)	Return time 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(ReadableByteBuf buf, MutableInt length, Context context)	Return default Object binary encoded
Object	getDefaultText(ReadableByteBuf buf, MutableInt length, Context context)	Return default Object text encoded
default int	getPrecision()	Return decimal precision.
ColumnDecoder	useAliasAsName()

Methods inherited from interface org.mariadb.jdbc.client.Column

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

Method Details

decodeStd

static ColumnDecoder decodeStd(ReadableByteBuf buf)

Decode Column from mysql packet

Parameters:

buf - packet

Returns:

column

decode

static ColumnDecoder decode(ReadableByteBuf buf)

Decode Column from mysql packet

Parameters:

buf - packet

Returns:

column

create

static ColumnDecoder create(String name,
 DataType type,
 int flags)

Create fake MySQL column definition packet with indicated datatype

Parameters:

name - column name

type - data type

flags - column flags

Returns:

Column

defaultClassname

String defaultClassname(Configuration conf)

Returns default class name depending on server column datatype

Parameters:

conf - configuration

Returns:

default class name

getColumnType

int getColumnType(Configuration conf)

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

Parameters:

conf - configuration

Returns:

default java.sql.Types

getColumnTypeName

String getColumnTypeName(Configuration conf)

Returns server column datatype

Parameters:

conf - configuration

Returns:

default server column datatype

getPrecision

default int getPrecision()

Return decimal precision.

Returns:

decimal precision

getDefaultText

Object getDefaultText(ReadableByteBuf buf,
 MutableInt length,
 Context context)
               throws SQLDataException

Return default Object text encoded

Parameters:

buf - row buffer

length - data length

context - connection context

Returns:

default Object

Throws:

SQLDataException - if any decoding error occurs

getDefaultBinary

Object getDefaultBinary(ReadableByteBuf buf,
 MutableInt length,
 Context context)
                 throws SQLDataException

Return default Object binary encoded

Parameters:

buf - row buffer

length - data length

context - connection context

Returns:

default Object

Throws:

SQLDataException - if any decoding error occurs

decodeStringText

String decodeStringText(ReadableByteBuf buf,
 MutableInt length,
 Calendar cal,
 Context context)
                 throws SQLDataException

Return String text encoded value

Parameters:

buf - row buffer

length - data length

cal - calendar

context - connection context

Returns:

String value

Throws:

SQLDataException - if any decoding error occurs

decodeStringBinary

String decodeStringBinary(ReadableByteBuf buf,
 MutableInt length,
 Calendar cal,
 Context context)
                   throws SQLDataException

Return String binary encoded value

Parameters:

buf - row buffer

length - data length

cal - calendar

context - current context

Returns:

String value

Throws:

SQLDataException - if any decoding error occurs

decodeByteText

byte decodeByteText(ReadableByteBuf buf,
 MutableInt length)
             throws SQLDataException

Return byte text encoded value

Parameters:

buf - row buffer

length - data length

Returns:

byte value

Throws:

SQLDataException - if any decoding error occurs

decodeByteBinary

byte decodeByteBinary(ReadableByteBuf buf,
 MutableInt length)
               throws SQLDataException

Return byte binary encoded value

Parameters:

buf - row buffer

length - data length

Returns:

byte value

Throws:

SQLDataException - if any decoding error occurs

decodeDateText

Date decodeDateText(ReadableByteBuf buf,
 MutableInt length,
 Calendar cal,
 Context context)
             throws SQLDataException

Return date text encoded value

Parameters:

buf - row buffer

length - data length

cal - calendar

context - connection Context

Returns:

date value

Throws:

SQLDataException - if any decoding error occurs

decodeDateBinary

Date decodeDateBinary(ReadableByteBuf buf,
 MutableInt length,
 Calendar cal,
 Context context)
               throws SQLDataException

Return date binary encoded value

Parameters:

buf - row buffer

length - data length

cal - calendar

context - connection Context

Returns:

date value

Throws:

SQLDataException - if any decoding error occurs

decodeTimeText

Time decodeTimeText(ReadableByteBuf buf,
 MutableInt length,
 Calendar cal,
 Context context)
             throws SQLDataException

Return time text encoded value

Parameters:

buf - row buffer

length - data length

cal - calendar

context - connection context

Returns:

time value

Throws:

SQLDataException - if any decoding error occurs

decodeTimeBinary

Time decodeTimeBinary(ReadableByteBuf buf,
 MutableInt length,
 Calendar cal,
 Context context)
               throws SQLDataException

Return time binary encoded value

Parameters:

buf - row buffer

length - data length

cal - calendar

context - connection context

Returns:

time value

Throws:

SQLDataException - if any decoding error occurs

decodeTimestampText

Timestamp decodeTimestampText(ReadableByteBuf buf,
 MutableInt length,
 Calendar cal,
 Context context)
                       throws SQLDataException

Return timestamp text encoded value

Parameters:

buf - row buffer

length - data length

cal - calendar

context - connection context

Returns:

timestamp value

Throws:

SQLDataException - if any decoding error occurs

decodeTimestampBinary

Timestamp decodeTimestampBinary(ReadableByteBuf buf,
 MutableInt length,
 Calendar cal,
 Context context)
                         throws SQLDataException

Return timestamp binary encoded value

Parameters:

buf - row buffer

length - data length

cal - calendar

context - connection context

Returns:

timestamp value

Throws:

SQLDataException - if any decoding error occurs

decodeBooleanText

boolean decodeBooleanText(ReadableByteBuf buf,
 MutableInt length)
                   throws SQLDataException

Return boolean text encoded value

Parameters:

buf - row buffer

length - data length

Returns:

boolean value

Throws:

SQLDataException - if any decoding error occurs

decodeBooleanBinary

boolean decodeBooleanBinary(ReadableByteBuf buf,
 MutableInt length)
                     throws SQLDataException

Parse boolean binary encoded value

Parameters:

buf - row buffer

length - data length

Returns:

boolean value

Throws:

SQLDataException - if any decoding error occurs

decodeShortText

short decodeShortText(ReadableByteBuf buf,
 MutableInt length)
               throws SQLDataException

Parse short text encoded value

Parameters:

buf - row buffer

length - data length

Returns:

short value

Throws:

SQLDataException - if any decoding error occurs

decodeShortBinary

short decodeShortBinary(ReadableByteBuf buf,
 MutableInt length)
                 throws SQLDataException

Parse short binary encoded value

Parameters:

buf - row buffer

length - data length

Returns:

short value

Throws:

SQLDataException - if any decoding error occurs

decodeIntText

int decodeIntText(ReadableByteBuf buf,
 MutableInt length)
           throws SQLDataException

Parse int text encoded value

Parameters:

buf - row buffer

length - data length

Returns:

int value

Throws:

SQLDataException - if any decoding error occurs

decodeIntBinary

int decodeIntBinary(ReadableByteBuf buf,
 MutableInt length)
             throws SQLDataException

Parse int binary encoded value

Parameters:

buf - row buffer

length - data length

Returns:

int value

Throws:

SQLDataException - if any decoding error occurs

decodeLongText

long decodeLongText(ReadableByteBuf buf,
 MutableInt length)
             throws SQLDataException

Parse long text encoded value

Parameters:

buf - row buffer

length - data length

Returns:

long value

Throws:

SQLDataException - if any decoding error occurs

decodeLongBinary

long decodeLongBinary(ReadableByteBuf buf,
 MutableInt length)
               throws SQLDataException

Parse long binary encoded value

Parameters:

buf - row buffer

length - data length

Returns:

long value

Throws:

SQLDataException - if any decoding error occurs

decodeFloatText

float decodeFloatText(ReadableByteBuf buf,
 MutableInt length)
               throws SQLDataException

Parse float text encoded value

Parameters:

buf - row buffer

length - data length

Returns:

float value

Throws:

SQLDataException - if any decoding error occurs

decodeFloatBinary

float decodeFloatBinary(ReadableByteBuf buf,
 MutableInt length)
                 throws SQLDataException

Parse float binary encoded value

Parameters:

buf - row buffer

length - data length

Returns:

float value

Throws:

SQLDataException - if any decoding error occurs

decodeDoubleText

double decodeDoubleText(ReadableByteBuf buf,
 MutableInt length)
                 throws SQLDataException

Parse double text encoded value

Parameters:

buf - row buffer

length - data length

Returns:

double value

Throws:

SQLDataException - if any decoding error occurs

decodeDoubleBinary

double decodeDoubleBinary(ReadableByteBuf buf,
 MutableInt length)
                   throws SQLDataException

Parse double binary encoded value

Parameters:

buf - row buffer

length - data length

Returns:

double value

Throws:

SQLDataException - if any decoding error occurs

useAliasAsName

ColumnDecoder useAliasAsName()