Class SimpleRowValue

java.lang.Object

org.h2.value.VersionedValue<Value>

org.h2.value.Value

org.h2.result.SearchRow

org.h2.result.SimpleRowValue

All Implemented Interfaces:

HasSQL, Typed

public class SimpleRowValue
extends SearchRow

A simple row that contains data for only one column.

Field Summary

Fields

Modifier and Type	Field	Description
private Value	data
private int	index
private final int	virtualColumnCount

Fields inherited from class SearchRow

key, MATCH_ALL_ROW_KEY, MEMORY_CALCULATE, ROWID_INDEX

Fields inherited from class Value

ARRAY, BIGINT, BINARY, BLOB, BOOLEAN, CHAR, CLOB, DATE, DECFLOAT, DOUBLE, EMPTY_VALUES, ENUM, GEOMETRY, INTEGER, INTERVAL_DAY, INTERVAL_DAY_TO_HOUR, INTERVAL_DAY_TO_MINUTE, INTERVAL_DAY_TO_SECOND, INTERVAL_HOUR, INTERVAL_HOUR_TO_MINUTE, INTERVAL_HOUR_TO_SECOND, INTERVAL_MINUTE, INTERVAL_MINUTE_TO_SECOND, INTERVAL_MONTH, INTERVAL_SECOND, INTERVAL_YEAR, INTERVAL_YEAR_TO_MONTH, JAVA_OBJECT, JSON, MIN_LONG_DECIMAL, NULL, NUMERIC, REAL, ROW, SMALLINT, TIME, TIME_TZ, TIMESTAMP, TIMESTAMP_TZ, TINYINT, TYPE_COUNT, UNKNOWN, UUID, VARBINARY, VARCHAR, VARCHAR_IGNORECASE

Fields inherited from interface HasSQL

ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

Constructor Summary

Constructors

Constructor	Description
SimpleRowValue(int columnCount)
SimpleRowValue(int columnCount, int index)

Method Summary

Modifier and Type	Method	Description
void	copyFrom(SearchRow source)	Copy all relevant values from the source to this row.
int	getColumnCount()	Get the column count.
int	getMemory()	Get the estimated memory used for this row, in bytes.
Value	getValue(int idx)	Get the value for the column
boolean	isNull(int index)	Determine if specified column contains NULL
void	setValue(int idx, Value v)	Set the value for given column
String	toString()

Methods inherited from class SearchRow

compareTypeSafe, equals, getKey, getSQL, getString, getType, getValueType, hashCode, setKey

Methods inherited from class Value

add, castTo, charLength, clearCache, compareTo, compareWithNull, containsNull, convertForAssignTo, convertTo, convertTo, convertTo, convertTo, convertTo, convertToAnyArray, convertToAnyRow, convertToBigint, convertToBoolean, convertToChar, convertToDate, convertToDouble, convertToEnum, convertToGeometry, convertToInt, convertToInt, convertToJavaObject, convertToReal, convertToSmallint, convertToTinyint, convertToUuid, divide, getBigDecimal, getBoolean, getByte, getBytes, getBytesNoCopy, getDouble, getFloat, getHigherOrder, getInputStream, getInputStream, getInt, getLong, getReader, getReader, getShort, getSignum, getTypeName, getUnsupportedExceptionForOperation, isFalse, isTrue, modulus, multiply, negate, octetLength, subtract

Methods inherited from class VersionedValue

getCommittedValue, getCurrentValue, getOperationId, isCommitted

Methods inherited from class Object

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

Methods inherited from interface HasSQL

getSQL, getTraceSQL

Field Details

index

private int index

virtualColumnCount

private final int virtualColumnCount

data

private Value data

Constructor Details

SimpleRowValue

public SimpleRowValue(int columnCount)

SimpleRowValue

public SimpleRowValue(int columnCount,
 int index)

Method Details

getColumnCount

public int getColumnCount()

Description copied from class: SearchRow

Get the column count.

Specified by:

getColumnCount in class SearchRow

Returns:

the column count

getValue

public Value getValue(int idx)

Description copied from class: SearchRow

Get the value for the column

Specified by:

getValue in class SearchRow

Parameters:

idx - the column number (starting with 0)

Returns:

the value

setValue

public void setValue(int idx,
 Value v)

Description copied from class: SearchRow

Set the value for given column

Specified by:

setValue in class SearchRow

Parameters:

idx - the column number (starting with 0)

v - the new value

toString

public String toString()

Overrides:

toString in class Value

getMemory

public int getMemory()

Description copied from class: SearchRow

Get the estimated memory used for this row, in bytes.

Specified by:

getMemory in class SearchRow

Returns:

the memory

isNull

public boolean isNull(int index)

Description copied from class: SearchRow

Determine if specified column contains NULL

Overrides:

isNull in class SearchRow

Parameters:

index - column index

Returns:

true if NULL

copyFrom

public void copyFrom(SearchRow source)

Description copied from class: SearchRow

Copy all relevant values from the source to this row.

Specified by:

copyFrom in class SearchRow

Parameters:

source - source of column values