org.apache.cassandra.cql

Class WhereClause

java.lang.Object

org.apache.cassandra.cql.WhereClause

public class WhereClause
extends java.lang.Object

WhereClauses encapsulate all of the predicates of a SELECT query.

Constructor Summary

Constructors

Constructor and Description
WhereClause()
WhereClause(Relation firstRelation) Create a new WhereClause with the first parsed relation.

Method Summary

Methods

Modifier and Type	Method and Description
void	and(Relation relation) Add an additional relation to this WHERE clause.
void	andKeyEquals(Term key) The same as KEY = to avoid using Relation object
void	extractKeysFromColumns(CFMetaData cfm)
java.util.List<Relation>	getClauseRelations()
java.util.List<Relation>	getColumnRelations()
Term	getFinishKey()
java.lang.String	getKeyAlias()
java.util.Set<Term>	getKeys()
Term	getStartKey()
boolean	includeFinishKey()
boolean	includeStartKey()
boolean	isKeyRange()
boolean	isMultiKey()
void	setKeyAlias(java.lang.String alias)
void	setMultiKey(boolean multiKey)
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

WhereClause

public WhereClause(Relation firstRelation)

Create a new WhereClause with the first parsed relation.

Parameters:

firstRelation - key or column relation

WhereClause

public WhereClause()

Method Detail

and

public void and(Relation relation)

Add an additional relation to this WHERE clause.

Parameters:

relation - the relation to add.

andKeyEquals

public void andKeyEquals(Term key)

The same as KEY = to avoid using Relation object

Parameters:

key - key to include into clause

getColumnRelations

public java.util.List<Relation> getColumnRelations()

isKeyRange

public boolean isKeyRange()

getStartKey

public Term getStartKey()

getFinishKey

public Term getFinishKey()

getKeys

public java.util.Set<Term> getKeys()

includeStartKey

public boolean includeStartKey()

includeFinishKey

public boolean includeFinishKey()

setKeyAlias

public void setKeyAlias(java.lang.String alias)

isMultiKey

public boolean isMultiKey()

setMultiKey

public void setMultiKey(boolean multiKey)

getKeyAlias

public java.lang.String getKeyAlias()

extractKeysFromColumns

public void extractKeysFromColumns(CFMetaData cfm)

getClauseRelations

public java.util.List<Relation> getClauseRelations()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object