Package edu.caltech.nanodb.relations

Class TableUtils

java.lang.Object

edu.caltech.nanodb.relations.TableUtils

public class TableUtils
extends java.lang.Object

Created by donnie on 7/16/17.

Constructor Summary

Constructors

Constructor	Description
TableUtils()

Method Summary

Modifier and Type	Method	Description
static Tuple	findFirstTupleEquals(TupleFile tupleFile, java.util.Map<java.lang.Integer,java.lang.Object> values)
static ColumnRefs	findIndexOnColumns(TableInfo tableInfo, int[] colIndexes)
static Tuple	findNextTupleEquals(TupleFile tupleFile, Tuple prevTup, java.util.Map<java.lang.Integer,java.lang.Object> values)
static boolean	hasEqualValues(Tuple tup, java.util.Map<java.lang.Integer,java.lang.Object> values)
static java.util.Map<java.lang.Integer,java.lang.Object>	makeValueMap(int[] colIndexes, Tuple tup)
static java.util.Map<java.lang.Integer,java.lang.Object>	makeValueMap(int[] colIndexes, Tuple tup, int[] refColIndexes)

Methods inherited from class java.lang.Object

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

Constructor Detail

TableUtils

public TableUtils()

Method Detail

findIndexOnColumns

public static ColumnRefs findIndexOnColumns(TableInfo tableInfo,
                                            int[] colIndexes)

makeValueMap

public static java.util.Map<java.lang.Integer,java.lang.Object> makeValueMap(int[] colIndexes,
                                                                                   Tuple tup,
                                                                                   int[] refColIndexes)

makeValueMap

public static java.util.Map<java.lang.Integer,java.lang.Object> makeValueMap(int[] colIndexes,
                                                                                   Tuple tup)

hasEqualValues

public static boolean hasEqualValues(Tuple tup,
                                     java.util.Map<java.lang.Integer,java.lang.Object> values)

findFirstTupleEquals

public static Tuple findFirstTupleEquals(TupleFile tupleFile,
                                         java.util.Map<java.lang.Integer,java.lang.Object> values)
                                  throws java.io.IOException

Throws:

java.io.IOException

findNextTupleEquals

public static Tuple findNextTupleEquals(TupleFile tupleFile,
                                        Tuple prevTup,
                                        java.util.Map<java.lang.Integer,java.lang.Object> values)
                                 throws java.io.IOException

Throws:

java.io.IOException