Uses of Interface
edu.caltech.nanodb.relations.Tuple

Packages that use Tuple

Package	Description
edu.caltech.nanodb.commands	This package contains the classes that represent the commands that the NanoSQL database recognizes.
edu.caltech.nanodb.expressions	This package contains classes for representing and evaluating arithmetic and logical expressions.
edu.caltech.nanodb.functions	This package contains the abstractions for supporting simple functions, aggregate functions, and table-returning functions in NanoDB.
edu.caltech.nanodb.indexes
edu.caltech.nanodb.plannodes	This package contains classes for representing query execution plans, as well as analyzing their costs.
edu.caltech.nanodb.queryeval	This package contains the query-evaluation components of the database.
edu.caltech.nanodb.relations	This package contains the basic data-types for representing relations in NanoDB.
edu.caltech.nanodb.server
edu.caltech.nanodb.storage	This package contains the classes for the Storage Manager, which is responsible for how data is stored in and retrieved from database files.
edu.caltech.nanodb.storage.heapfile	This package provides a naive implementation of the heap file organization for NanoDB.

Uses of Tuple in edu.caltech.nanodb.commands

Methods in edu.caltech.nanodb.commands with parameters of type Tuple

Modifier and Type	Method	Description
void	DeleteCommand.TupleRemover.process(Tuple tuple)	This implementation simply deletes each tuple it is handed.
void	DumpCommand.TupleExporter.process(Tuple tuple)	This implementation simply prints out each tuple it is handed.
void	InsertCommand.TupleInserter.process(Tuple tuple)	This implementation simply inserts each tuple it is handed.
void	UpdateCommand.TupleUpdater.process(Tuple tuple)	This implementation updates each tuple it is handed, based on the set of update-specs that were given in the constructor.

Uses of Tuple in edu.caltech.nanodb.expressions

Classes in edu.caltech.nanodb.expressions that implement Tuple

Modifier and Type	Class	Description
class	TupleLiteral	A simple implementation of the Tuple interface for storing literal tuple values.

Fields in edu.caltech.nanodb.expressions with type parameters of type Tuple

Modifier and Type	Field	Description
private java.util.ArrayList<Tuple>	Environment.currentTuples	A mapping of string table names, to the current tuple for each of those tables.

Methods in edu.caltech.nanodb.expressions that return types with arguments of type Tuple

Modifier and Type	Method	Description
java.util.ArrayList<Tuple>	Environment.getCurrentTuples()	Returns the ArrayList of tuples being considered.

Methods in edu.caltech.nanodb.expressions with parameters of type Tuple

Modifier and Type	Method	Description
private static int	TupleComparator._compareTuples(Tuple t1, Tuple t2, boolean allowSizeMismatch)	This is the private helper function that implements both the TupleComparator.compareTuples(edu.caltech.nanodb.relations.Tuple, edu.caltech.nanodb.relations.Tuple) method and the TupleComparator.comparePartialTuples(edu.caltech.nanodb.relations.Tuple, edu.caltech.nanodb.relations.Tuple) method.
void	Environment.addTuple(Schema schema, Tuple tuple)	Adds a tuple to the environment with the given schema.
void	TupleLiteral.appendTuple(Tuple tuple)	Appends the specified tuple's contents to this tuple-literal object.
static boolean	TupleComparator.areTuplesEqual(Tuple t1, Tuple t2)	This helper function returns true if two tuples have the same number of columns and the values compare as equal when coerced with the TypeConverter.coerceComparison(java.lang.Object, java.lang.Object) method.
static boolean	TupleComparator.areTuplesEqual(Tuple t1, Tuple t2, double epsilon)	This helper function returns true if two tuples have the same number of columns and the values compare as equal when coerced with the TypeConverter.coerceComparison(java.lang.Object, java.lang.Object) method.
int	TupleComparator.compare(Tuple a, Tuple b)	Performs the comparison of two tuples based on the configuration of this tuple-comparator object.
static int	TupleComparator.comparePartialTuples(Tuple t1, Tuple t2)	Compares all columns of the two input tuples, in the order they appear within the tuples, and a value is returned to indicate the ordering.
static int	TupleComparator.compareTuples(Tuple t1, Tuple t2)	Compares all columns of the two input tuples, in the order they appear within the tuples, and a value is returned to indicate the ordering.
static TupleLiteral	TupleLiteral.fromTuple(Tuple tuple)	Constructs a new tuple-literal that is a copy of the specified tuple.
static int	TupleHasher.hashTuple(Tuple tuple)
static int	TupleHasher.hashTuple(Tuple tuple, java.util.List<java.lang.Integer> colIndexes)	Collects tuple values according to colIndexes into an ArrayList and returns the hash of the list.

Uses of Tuple in edu.caltech.nanodb.functions

Methods in edu.caltech.nanodb.functions that return Tuple

Modifier and Type	Method	Description
abstract Tuple	TableFunction.getNextTuple()	Gets the next tuple that fulfills the conditions for this plan node.

Uses of Tuple in edu.caltech.nanodb.indexes

Methods in edu.caltech.nanodb.indexes with parameters of type Tuple

Modifier and Type	Method	Description
void	IndexUpdater.afterRowDeleted(TableInfo tblFileInfo, Tuple oldValues)
void	IndexUpdater.afterRowInserted(TableInfo tblFileInfo, Tuple newTuple)
void	IndexUpdater.afterRowUpdated(TableInfo tblFileInfo, Tuple oldValues, Tuple newTuple)
void	IndexUpdater.beforeRowDeleted(TableInfo tblFileInfo, Tuple oldTuple)
void	IndexUpdater.beforeRowInserted(TableInfo tblFileInfo, Tuple newValues)
void	IndexUpdater.beforeRowUpdated(TableInfo tblFileInfo, Tuple oldTuple, Tuple newValues)
static PageTuple	IndexUtils.findTupleInIndex(Tuple key, TupleFile idxTupleFile)	Given an index tuple-file and a search key, this method attempts to find the first tuple in the index that matches the search key.
static TupleLiteral	IndexUtils.makeTableSearchKey(ColumnRefs columnRefs, Tuple tuple, boolean findExactTuple)	This helper function creates a TupleLiteral that holds the key-values necessary for probing, storing or deleting a tuple in a table's index.

Uses of Tuple in edu.caltech.nanodb.plannodes

Fields in edu.caltech.nanodb.plannodes declared as Tuple

Modifier and Type	Field	Description
private Tuple	ProjectNode.currentTuple	Current tuple the node is projecting (in NON-projected form).
protected Tuple	SelectNode.currentTuple	The current tuple that the node is selecting.
private Tuple	NestedLoopJoinNode.leftTuple	Most recently retrieved tuple of the left relation.
private Tuple	SortMergeJoinNode.leftTuple	Most recently retrieved tuple of the left relation.
private Tuple	NestedLoopJoinNode.rightTuple	Most recently retrieved tuple of the right relation.
private Tuple	SortMergeJoinNode.rightTuple	Most recently retrieved tuple of the right relation.

Fields in edu.caltech.nanodb.plannodes with type parameters of type Tuple

Modifier and Type	Field	Description
private java.util.ArrayList<Tuple>	SortNode.sortedResults	This array receives all tuples from the child plan node, and then they are sorted and passed along to the parent from this array.
private java.util.ArrayList<Tuple>	TupleBagNode.tuples	The collection of tuples that are returned by this plan node.

Methods in edu.caltech.nanodb.plannodes that return Tuple

Modifier and Type	Method	Description
Tuple	HashedGroupAggregateNode.getNextTuple()	Gets the next tuple that fulfills the conditions for this plan node.
Tuple	NestedLoopJoinNode.getNextTuple()	Returns the next joined tuple that satisfies the join condition.
abstract Tuple	PlanNode.getNextTuple()	Gets the next tuple that fulfills the conditions for this plan node.
Tuple	ProjectNode.getNextTuple()	Gets the next tuple and projects it.
Tuple	RenameNode.getNextTuple()
Tuple	SelectNode.getNextTuple()	Gets the next tuple selected by the predicate.
Tuple	SortedGroupAggregateNode.getNextTuple()	Gets the next tuple that fulfills the conditions for this plan node.
Tuple	SortMergeJoinNode.getNextTuple()
Tuple	SortNode.getNextTuple()	Gets the next tuple that fulfills the conditions for this plan node.
Tuple	TableFunctionScanNode.getNextTuple()
Tuple	TupleBagNode.getNextTuple()
protected Tuple	ThetaJoinNode.joinTuples(Tuple left, Tuple right)	Combine the left tuple and the right tuple.
private Tuple	ProjectNode.projectTuple(Tuple tuple)	This helper method takes an input tuple and projects it to a result tuple based on the project

Methods in edu.caltech.nanodb.plannodes with parameters of type Tuple

Modifier and Type	Method	Description
void	TupleBagNode.addTuple(Tuple tup)	Adds a tuple to the bag of tuples.
protected boolean	SelectNode.isTupleSelected(Tuple tuple)
protected Tuple	ThetaJoinNode.joinTuples(Tuple left, Tuple right)	Combine the left tuple and the right tuple.
private Tuple	ProjectNode.projectTuple(Tuple tuple)	This helper method takes an input tuple and projects it to a result tuple based on the project

Uses of Tuple in edu.caltech.nanodb.queryeval

Methods in edu.caltech.nanodb.queryeval with parameters of type Tuple

Modifier and Type	Method	Description
void	PrettyTuplePrinter.process(Tuple tuple)
void	TuplePrinter.process(Tuple tuple)
void	TupleProcessor.process(Tuple tuple)	Processes a single tuple generated from evaluating a query plan.

Uses of Tuple in edu.caltech.nanodb.relations

Methods in edu.caltech.nanodb.relations that return Tuple

Modifier and Type	Method	Description
static Tuple	TupleUtils.coerceToSchema(Tuple input, Schema schema)
static Tuple	TableUtils.findFirstTupleEquals(TupleFile tupleFile, java.util.Map<java.lang.Integer,java.lang.Object> values)
static Tuple	TableUtils.findNextTupleEquals(TupleFile tupleFile, Tuple prevTup, java.util.Map<java.lang.Integer,java.lang.Object> values)

Methods in edu.caltech.nanodb.relations with parameters of type Tuple

Modifier and Type	Method	Description
void	DatabaseConstraintEnforcer.afterRowDeleted(TableInfo tableInfo, Tuple oldTuple)	Perform processing after a row has been deleted from a table.
void	DatabaseConstraintEnforcer.afterRowInserted(TableInfo tblFileInfo, Tuple newTuple)	Perform processing after a row is inserted into a table.
void	DatabaseConstraintEnforcer.afterRowUpdated(TableInfo tableInfo, Tuple oldTuple, Tuple newTuple)	Perform processing after a row is updated in a table.
private void	DatabaseConstraintEnforcer.applyOnDeleteEffects(TableInfo tableInfo, java.lang.String referencingTableName, Tuple oldTuple)	This function checks the ON DELETE option for each child table affected by the deletion of tup due to a foreign key, and then executes that option.
private void	DatabaseConstraintEnforcer.applyOnUpdateEffects(TableInfo tableInfo, java.lang.String referencingTableName, Tuple oldTuple, Tuple newTuple)	This function performs ON UPDATE tasks for each referencing table that is potentially affected by the update of a tuple in the referenced table.
void	DatabaseConstraintEnforcer.beforeRowDeleted(TableInfo tableInfo, Tuple oldTuple)	Perform processing after a row has been deleted from a table.
void	DatabaseConstraintEnforcer.beforeRowInserted(TableInfo tableInfo, Tuple newTuple)	Perform processing before a row is inserted into a table.
void	DatabaseConstraintEnforcer.beforeRowUpdated(TableInfo tableInfo, Tuple oldTuple, Tuple newTuple)	Perform processing before a row is updated in a table.
private void	DatabaseConstraintEnforcer.checkNotNullConstraints(TableInfo tableInfo, Tuple tuple)	This helper function verifies that a tuple being added to a table satisfies all the NOT NULL constraints on the table.
static Tuple	TupleUtils.coerceToSchema(Tuple input, Schema schema)
static Tuple	TableUtils.findNextTupleEquals(TupleFile tupleFile, Tuple prevTup, java.util.Map<java.lang.Integer,java.lang.Object> values)
private boolean	DatabaseConstraintEnforcer.hasCandidateKeyValue(TableInfo tableInfo, KeyColumnRefs candidateKey, Tuple tuple)	Checks to see if a particular candidate-key value already appears in a table.
static boolean	TableUtils.hasEqualValues(Tuple tup, java.util.Map<java.lang.Integer,java.lang.Object> values)
private DeleteCommand	DatabaseConstraintEnforcer.makeDeleteCommand(TableInfo tableInfo, int[] schemaIndexes, Tuple oldTuple, int[] tupleIndexes)
private CompareOperator	DatabaseConstraintEnforcer.makeEqualityComparison(Schema schema, int iSchema, Tuple tuple, int iTuple)
private Expression	DatabaseConstraintEnforcer.makeEqualityPredicate(Schema schema, int[] schemaIndexes, Tuple tuple, int[] tupleIndexes)
private Expression	DatabaseConstraintEnforcer.makeExistsPredicate(TableInfo tableInfo, int[] schemaIndexes, Tuple tuple, int[] tupleIndexes)
private UpdateCommand	DatabaseConstraintEnforcer.makeUpdateCommand(TableInfo tableInfo, int[] schemaIndexes, Tuple oldTuple, Tuple newTuple, int[] tupleIndexes)
static java.util.Map<java.lang.Integer,java.lang.Object>	TableUtils.makeValueMap(int[] colIndexes, Tuple tup)
static java.util.Map<java.lang.Integer,java.lang.Object>	TableUtils.makeValueMap(int[] colIndexes, Tuple tup, int[] refColIndexes)
private boolean	DatabaseConstraintEnforcer.referencedTableHasValue(ForeignKeyColumnRefs foreignKey, Tuple tuple)	This helper function enforces a foreign key constraint by checking the referenced table to ensure that the tuple being added has values that appear in the referenced table.

Uses of Tuple in edu.caltech.nanodb.server

Methods in edu.caltech.nanodb.server with parameters of type Tuple

Modifier and Type	Method	Description
void	RowEventListener.afterRowDeleted(TableInfo tblFileInfo, Tuple oldValues)	Perform processing after a row has been deleted from a table.
void	RowEventListener.afterRowInserted(TableInfo tblFileInfo, Tuple newTuple)	Perform processing after a row is inserted into a table.
void	RowEventListener.afterRowUpdated(TableInfo tblFileInfo, Tuple oldValues, Tuple newTuple)	Perform processing after a row is updated in a table.
void	RowEventListener.beforeRowDeleted(TableInfo tblFileInfo, Tuple oldTuple)	Perform processing after a row has been deleted from a table.
void	RowEventListener.beforeRowInserted(TableInfo tblFileInfo, Tuple newValues)	Perform processing before a row is inserted into a table.
void	RowEventListener.beforeRowUpdated(TableInfo tblFileInfo, Tuple oldTuple, Tuple newValues)	Perform processing before a row is updated in a table.
void	EventDispatcher.fireAfterRowDeleted(TableInfo tblFileInfo, Tuple oldValues)
void	EventDispatcher.fireAfterRowInserted(TableInfo tblFileInfo, Tuple newTuple)
void	EventDispatcher.fireAfterRowUpdated(TableInfo tblFileInfo, Tuple oldValues, Tuple newTuple)
void	EventDispatcher.fireBeforeRowDeleted(TableInfo tblFileInfo, Tuple oldTuple)
void	EventDispatcher.fireBeforeRowInserted(TableInfo tblFileInfo, Tuple newValues)
void	EventDispatcher.fireBeforeRowUpdated(TableInfo tblFileInfo, Tuple oldTuple, Tuple newValues)
void	CommandResult.ResultCollector.process(Tuple tuple)
void	TupleSender.process(Tuple tuple)

Uses of Tuple in edu.caltech.nanodb.storage

Classes in edu.caltech.nanodb.storage that implement Tuple

Modifier and Type	Class	Description
class	PageTuple	This class is a partial implementation of the Tuple interface that handles reading and writing tuple data against a DBPage object.

Methods in edu.caltech.nanodb.storage that return Tuple

Modifier and Type	Method	Description
Tuple	TupleFile.addTuple(Tuple tuple)	Adds the specified tuple into the table file, returning a new object corresponding to the actual tuple added to the table.
Tuple	HashedTupleFile.findFirstTupleEquals(Tuple hashKey)	Returns the first tuple in the file that has the same hash-key values, or null if there are no tuples with this hash-key value in the tuple file.
Tuple	SequentialTupleFile.findFirstTupleEquals(Tuple searchKey)	Returns the first tuple in the file that has the same search-key value, or null if there are no tuples with this search-key value in the tuple file.
Tuple	SequentialTupleFile.findFirstTupleGreaterThan(Tuple searchKey)	Returns the first tuple in the file that has a search-key value that is greater than the specified search-key value, or null if there are no tuples greater than this search-key value in the index.
Tuple	HashedTupleFile.findNextTupleEquals(Tuple prevTuple)	Returns the next entry in the index that has the same hash-key value, or null if there are no more entries with this hash-key value in the tuple file.
Tuple	TupleFile.getFirstTuple()	Returns the first tuple in this table file, or null if there are no tuples in the file.
Tuple	TupleFile.getNextTuple(Tuple tuple)	Returns the tuple that follows the specified tuple, or null if there are no more tuples in the file.
Tuple	TupleFile.getTuple(FilePointer fptr)	Returns the tuple corresponding to the specified file pointer.

Methods in edu.caltech.nanodb.storage with parameters of type Tuple

Modifier and Type	Method	Description
Tuple	TupleFile.addTuple(Tuple tuple)	Adds the specified tuple into the table file, returning a new object corresponding to the actual tuple added to the table.
void	TupleFile.deleteTuple(Tuple tuple)	Deletes the specified tuple from the table.
Tuple	HashedTupleFile.findFirstTupleEquals(Tuple hashKey)	Returns the first tuple in the file that has the same hash-key values, or null if there are no tuples with this hash-key value in the tuple file.
Tuple	SequentialTupleFile.findFirstTupleEquals(Tuple searchKey)	Returns the first tuple in the file that has the same search-key value, or null if there are no tuples with this search-key value in the tuple file.
Tuple	SequentialTupleFile.findFirstTupleGreaterThan(Tuple searchKey)	Returns the first tuple in the file that has a search-key value that is greater than the specified search-key value, or null if there are no tuples greater than this search-key value in the index.
Tuple	HashedTupleFile.findNextTupleEquals(Tuple prevTuple)	Returns the next entry in the index that has the same hash-key value, or null if there are no more entries with this hash-key value in the tuple file.
Tuple	TupleFile.getNextTuple(Tuple tuple)	Returns the tuple that follows the specified tuple, or null if there are no more tuples in the file.
static int	PageTuple.getTupleStorageSize(Schema schema, Tuple tuple)	This helper function takes a tuple (from an arbitrary source) and computes how much space it would require to be stored in a heap table file with the specified schema.
static int	PageTuple.storeTuple(DBPage dbPage, int pageOffset, Schema schema, Tuple tuple)
void	TupleFile.updateTuple(Tuple tuple, java.util.Map<java.lang.String,java.lang.Object> newValues)	Modifies the values in the specified tuple.

Uses of Tuple in edu.caltech.nanodb.storage.heapfile

Classes in edu.caltech.nanodb.storage.heapfile that implement Tuple

Modifier and Type	Class	Description
class	HeapFilePageTuple

Methods in edu.caltech.nanodb.storage.heapfile that return Tuple

Modifier and Type	Method	Description
Tuple	HeapTupleFile.addTuple(Tuple tup)	Adds the specified tuple into the table file.
Tuple	HeapTupleFile.getFirstTuple()	Returns the first tuple in this table file, or null if there are no tuples in the file.
Tuple	HeapTupleFile.getNextTuple(Tuple tup)	Returns the tuple that follows the specified tuple, or null if there are no more tuples in the file.
Tuple	HeapTupleFile.getTuple(FilePointer fptr)	Returns the tuple corresponding to the specified file pointer.

Methods in edu.caltech.nanodb.storage.heapfile with parameters of type Tuple

Modifier and Type	Method	Description
Tuple	HeapTupleFile.addTuple(Tuple tup)	Adds the specified tuple into the table file.
void	HeapTupleFile.deleteTuple(Tuple tup)
Tuple	HeapTupleFile.getNextTuple(Tuple tup)	Returns the tuple that follows the specified tuple, or null if there are no more tuples in the file.
static HeapFilePageTuple	HeapFilePageTuple.storeNewTuple(Schema schema, DBPage dbPage, int slot, int pageOffset, Tuple tuple)
void	HeapTupleFile.updateTuple(Tuple tup, java.util.Map<java.lang.String,java.lang.Object> newValues)