Package org.apache.iotdb.db.mpp.common.filter

Class LikeFilter

java.lang.Object

org.apache.iotdb.db.mpp.common.filter.QueryFilter

org.apache.iotdb.db.mpp.common.filter.FunctionFilter

org.apache.iotdb.db.mpp.common.filter.LikeFilter

All Implemented Interfaces:

java.lang.Comparable<QueryFilter>

public class LikeFilter
extends FunctionFilter

fuzzy query structure LikeFilter.

Field Summary

Fields

Modifier and Type	Field	Description
protected java.lang.String	value

Fields inherited from class org.apache.iotdb.db.mpp.common.filter.QueryFilter

filterType, isLeaf

Constructor Summary

Constructors

Constructor	Description
LikeFilter(FilterConstant.FilterType filterType, org.apache.iotdb.commons.path.PartialPath path, java.lang.String value)

Method Summary

Modifier and Type	Method	Description
LikeFilter	copy()
static LikeFilter	deserialize(java.nio.ByteBuffer byteBuffer)
boolean	equals(java.lang.Object o)
java.lang.String	getValue()
int	hashCode()
void	serialize(java.nio.ByteBuffer byteBuffer)
java.lang.String	showTree(int spaceNum)
java.lang.String	toString()
protected org.apache.iotdb.tsfile.utils.Pair<org.apache.iotdb.tsfile.read.expression.IUnaryExpression,java.lang.String>	transformToSingleQueryFilter(java.util.Map<org.apache.iotdb.commons.path.PartialPath,org.apache.iotdb.tsfile.file.metadata.enums.TSDataType> pathTSDataTypeHashMap)	it will be used in BasicFunction Operator.

Methods inherited from class org.apache.iotdb.db.mpp.common.filter.FunctionFilter

addChildOperator, reverseFunc

Methods inherited from class org.apache.iotdb.db.mpp.common.filter.QueryFilter

compareTo, getChildren, getFilterName, getFilterSymbol, getFilterType, getPathSet, getSinglePath, isLeaf, isSingle, serializeWithoutType, setChildren, setFilterType, setIsSingle, setPathSet, setSinglePath, showTree, transformToExpression

Methods inherited from class java.lang.Object

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

Field Detail

value

protected java.lang.String value

Constructor Detail

LikeFilter

public LikeFilter(FilterConstant.FilterType filterType,
                  org.apache.iotdb.commons.path.PartialPath path,
                  java.lang.String value)

Method Detail

transformToSingleQueryFilter

protected org.apache.iotdb.tsfile.utils.Pair<org.apache.iotdb.tsfile.read.expression.IUnaryExpression,java.lang.String> transformToSingleQueryFilter(java.util.Map<org.apache.iotdb.commons.path.PartialPath,org.apache.iotdb.tsfile.file.metadata.enums.TSDataType> pathTSDataTypeHashMap)
                                                                                                                                                    throws StatementAnalyzeException,
                                                                                                                                                           org.apache.iotdb.commons.exception.MetadataException

Description copied from class: QueryFilter

it will be used in BasicFunction Operator.

Overrides:

transformToSingleQueryFilter in class QueryFilter

Returns:

- pair.left: UnaryQueryFilter constructed by its one child; pair.right: Path represented by this child.

Throws:

org.apache.iotdb.commons.exception.MetadataException - exception in filter transforming

StatementAnalyzeException

showTree

public java.lang.String showTree(int spaceNum)

Overrides:

showTree in class QueryFilter

copy

public LikeFilter copy()

Overrides:

copy in class QueryFilter

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class QueryFilter

hashCode

public int hashCode()

Overrides:

hashCode in class QueryFilter

toString

public java.lang.String toString()

Overrides:

toString in class QueryFilter

getValue

public java.lang.String getValue()

serialize

public void serialize(java.nio.ByteBuffer byteBuffer)

Overrides:

serialize in class FunctionFilter

deserialize

public static LikeFilter deserialize(java.nio.ByteBuffer byteBuffer)