Uses of Class
edu.berkeley.cs186.database.query.QueryOperator

Packages that use QueryOperator

Package	Description
edu.berkeley.cs186.database.query

Uses of QueryOperator in edu.berkeley.cs186.database.query

Subclasses of QueryOperator in edu.berkeley.cs186.database.query

Modifier and Type	Class and Description
class	GroupByOperator
class	JoinOperator
class	ProjectOperator
class	SequentialScanOperator
class	SelectOperator

Methods in edu.berkeley.cs186.database.query that return QueryOperator

Modifier and Type	Method and Description
QueryOperator	QueryOperator.getDestination()
QueryOperator	JoinOperator.getLeftSource()
QueryOperator	JoinOperator.getRightSource()
QueryOperator	QueryOperator.getSource()
QueryOperator	JoinOperator.getSource()

Methods in edu.berkeley.cs186.database.query with parameters of type QueryOperator

Modifier and Type	Method and Description
void	QueryOperator.setDestination(QueryOperator destination)
void	JoinOperator.setLeftSource(QueryOperator leftSource)
void	JoinOperator.setRightSource(QueryOperator rightSource)
void	QueryOperator.setSource(QueryOperator source)

Constructors in edu.berkeley.cs186.database.query with parameters of type QueryOperator

Constructor and Description
GroupByOperator(QueryOperator source, Database.Transaction transaction, String groupByColumn) Create a new GroupByOperator that pulls from source and groups by groupByColumn.
JoinOperator(QueryOperator leftSource, QueryOperator rightSource, String leftColumnName, String rightColumnName) Create a join operator that pulls tuples from leftSource and rightSource.
QueryOperator(QueryOperator.OperatorType type, QueryOperator source)
ProjectOperator(QueryOperator source, List<String> columns, boolean count, String averageColumn, String sumColumn) Creates a new ProjectOperator that reads tuples from source and filters out columns.
SelectOperator(QueryOperator source, String columnName, QueryPlan.PredicateOperator operator, DataBox value) Creates a new SelectOperator that pulls from source and only returns tuples for which the predicate is satisfied.