Functions — github.com/MIT-DB-Class/simple-db-hw

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Functions1,070 in github.com/MIT-DB-Class/simple-db-hw

⨍ Functions 1,070◇ Types & classes 161

Return the buffer pool of the static Database instance

Returns the next tuple from the operator (typically implementing by reading from a child operator or an access method). @return the next tuple in the

src/java/simpledb/OpIterator.java:35

↓ 111 callersMethodgetCatalog

Return the catalog of the static Database instance

src/java/simpledb/Database.java:49

↓ 100 callersMethodgetTableId

@return the unique tableid hashcode with this PageId

src/java/simpledb/PageId.java:15

↓ 99 callersMethodgetId

Return the id of this page. The id is a unique identifier for a page that can be used to look up the page on disk or determine if the page is residen

src/java/simpledb/Page.java:22

↓ 97 callersMethodequals

(Object field)

src/java/simpledb/Field.java:37

↓ 70 callersMethodhasNext

Returns true if the iterator has more tuples. @return true f the iterator has more tuples. @throws IllegalStateException If the iterator has not been

src/java/simpledb/OpIterator.java:25

↓ 64 callersMethodgetPage

Retrieve the specified page with the associated permissions. Will acquire a lock and may block if that lock is held by another transaction. <p> The re

src/java/simpledb/BufferPool.java:67

↓ 63 callersMethodgetHeapTuple

@return a Tuple with a single IntField with value n and with RecordId(HeapPageId(1,2), 3)

src/java/simpledb/Utility.java:49

↓ 61 callersMethodgetField

@return the value of the ith field, or null if it has not been set. @param i field index to return. Must be a valid index.

src/java/simpledb/Tuple.java:72

↓ 55 callersMethodlook

(HeapFile hf, Transaction t, int v1, boolean present)

test/simpledb/systemtest/LogTest.java:41

↓ 53 callersMethodgetKey

@return the key

src/java/simpledb/BTreeEntry.java:59

↓ 51 callersMethodgetTupleDesc

@return a TupleDesc with n fields of type Type.INT_TYPE, each named name + n (name1, name2, etc.).

src/java/simpledb/Utility.java:34

↓ 51 callersMethodnext

Gets the next tuple from the operator (typically implementing by reading from a child operator or an access method). @return The next tuple in the it

src/java/simpledb/DbFileIterator.java:27

↓ 50 callersMethodgetPageNumber

()

src/java/simpledb/PageId.java:34

↓ 49 callersMethodgetValue

()

src/java/simpledb/IntField.java:14

↓ 46 callersMethodtransactionComplete

Release all locks associated with a given transaction. @param tid the ID of the transaction requesting the unlock

src/java/simpledb/BufferPool.java:92

↓ 44 callersMethodaddTable

Set up initial resources for each unit test.

test/simpledb/HeapPageReadTest.java:70

↓ 43 callersMethodhasNext

@return true if there are more tuples available, false if no more tuples or iterator isn't open.

src/java/simpledb/DbFileIterator.java:17

↓ 43 callersMethodopen

Opens the iterator @throws DbException when there are problems opening/accessing the database.

src/java/simpledb/DbFileIterator.java:13

↓ 40 callersMethodgetTupleDesc

Returns the TupleDesc of the table stored in this DbFile. @return TupleDesc of this DbFile.

src/java/simpledb/DbFile.java:90

↓ 38 callersMethodclose

Closes the iterator. When the iterator is closed, calling next(), hasNext(), or rewind() should fail by throwing IllegalStateException.

src/java/simpledb/OpIterator.java:54

↓ 38 callersMethodcompare

Compare the value of this field object to the passed in value. @param op The operator @param value The value to compare this Field to @return Whether

src/java/simpledb/Field.java:23

↓ 38 callersMethoditerator

@return an iterator over all entries on this page (calling remove on this iterator throws an UnsupportedOperationException) (note that this iterator s

src/java/simpledb/BTreeInternalPage.java:608

↓ 37 callersMethodgetPageSize

()

src/java/simpledb/BufferPool.java:38

↓ 36 callersMethodclose

Closes the iterator.

src/java/simpledb/DbFileIterator.java:39

↓ 36 callersMethodgetId

Returns an ID uniquely identifying this HeapFile. Implementation note: you will need to generate this tableid somewhere to ensure that each HeapFile h

src/java/simpledb/HeapFile.java:48

↓ 36 callersMethodpgcateg

@return the category of this page

src/java/simpledb/BTreePageId.java:62

↓ 35 callersMethodgetLeftChild

@return the left child page id

src/java/simpledb/BTreeEntry.java:66

↓ 35 callersMethodgetNumEntries

Returns the number of entries (keys) currently stored on this page

src/java/simpledb/BTreeInternalPage.java:564

↓ 35 callersMethodopen

Opens the iterator. This must be called before any of the other methods. @throws DbException when there are problems opening/accessing the database.

src/java/simpledb/OpIterator.java:18

↓ 34 callersMethodgetId

Returns an ID uniquely identifying this BTreeFile. Implementation note: you will need to generate this tableid somewhere and ensure that each BTreeFil

src/java/simpledb/BTreeFile.java:59

↓ 31 callersMethodcreateRandomHeapFile

@param columnSpecification Mapping between column index and value.

test/simpledb/systemtest/SystemTestUtil.java:22

↓ 31 callersMethodsetField

Change the value of the ith field of this tuple. @param i index of the field to change. It must be a valid index. @param f new

src/java/simpledb/Tuple.java:62

↓ 30 callersMethodgetRightChild

@return the right child page id

src/java/simpledb/BTreeEntry.java:73

↓ 30 callersMethoditerator

Returns an iterator over all the tuples stored in this DbFile. The iterator must use {@link BufferPool#getPage}, rather than {@link #readPage} to iter

src/java/simpledb/DbFile.java:69

↓ 29 callersMethodgetField

@return an IntField with value n

test/simpledb/TestUtil.java:12

↓ 29 callersMethodhashCode

Hash code. Different Field objects representing the same value should probably return the same hashCode.

src/java/simpledb/Field.java:36

↓ 28 callersMethodaddValue

Add a value to the set of values that you are keeping a histogram of. @param v Value to add to the histogram

src/java/simpledb/IntHistogram.java:31

↓ 28 callersMethodestimateSelectivity

Estimate the selectivity of predicate <tt>field op constant</tt> on the table. @param field The field over which the predicate ranges @par

src/java/simpledb/TableStats.java:149

↓ 28 callersMethodgetNumEmptySlots

Returns the number of empty slots on this page.

src/java/simpledb/BTreeInternalPage.java:571

↓ 27 callersMethodgetNumTuples

Returns the number of tuples currently stored on this page

src/java/simpledb/BTreeLeafPage.java:440

↓ 26 callersMethodestimateSelectivity

Estimate the selectivity of a particular predicate and operand on this table. For example, if "op" is "GREATER_THAN" and "v" is 5, return your estima

src/java/simpledb/IntHistogram.java:45

↓ 26 callersMethodgetPage

Method to encapsulate the process of locking/fetching a page. First the method checks the local cache ("dirtypages"), and if it can't find the reques

src/java/simpledb/BTreeFile.java:412

↓ 26 callersMethodstart

Start the transaction running

src/java/simpledb/Transaction.java:19

↓ 25 callersMethodtoString

()

src/java/simpledb/Field.java:39

↓ 24 callersMethodlog

Log message if the log level >= level. Uses printf.

src/java/simpledb/Debug.java:33

↓ 24 callersMethodresetBufferPool

Method used for testing -- create a new instance of the buffer pool and return it

src/java/simpledb/Database.java:57

↓ 24 callersMethodstartGrabber

Helper method to clean up the syntax of starting a LockGrabber thread. The parameters pass through to the LockGrabber constructor.

test/simpledb/DeadlockTest.java:62

↓ 23 callersMethodgetFieldName

Gets the (possibly null) field name of the ith field of this TupleDesc. @param i index of the field name to return. It must be a valid ind

src/java/simpledb/TupleDesc.java:94

↓ 23 callersMethodindexIterator

get the specified tuples from the file based on its IndexPredicate value on behalf of the specified transaction. This method will acquire a read lock

src/java/simpledb/BTreeFile.java:1056

↓ 23 callersMethodnumFields

@return the number of fields in this TupleDesc

src/java/simpledb/TupleDesc.java:80

↓ 23 callersMethodnumPages

Returns the number of pages in this BTreeFile.

src/java/simpledb/BTreeFile.java:166

↓ 22 callersMethodcreateDuplicateHeapFile

Given a matrix of tuples from SystemTestUtil.createRandomHeapFile, create an identical HeapFile table @param tuples Tuples to create a Hea

test/simpledb/JoinOptimizerTest.java:36

↓ 21 callersMethodcreateRandomBTreeFile

@param columnSpecification Mapping between column index and value.

src/java/simpledb/BTreeUtility.java:115

↓ 21 callersMethodcreateTupleList

@return a OpIterator over a list of tuples constructed over the data provided in the constructor. This iterator is already open. @param width the nu

test/simpledb/TestUtil.java:26

↓ 21 callersMethodgetFieldType

Gets the type of the ith field of this TupleDesc. @param i The index of the field to get the type of. It must be a valid index.

src/java/simpledb/TupleDesc.java:109

↓ 21 callersMethodgetRootId

Get the id of the root page in this B+ tree @return the id of the root page

src/java/simpledb/BTreeRootPtrPage.java:158

↓ 20 callersMethodestimateTableCardinality

This method returns the number of tuples in the relation, given that a predicate with selectivity selectivityFactor is applied. @param selectivityFac

src/java/simpledb/TableStats.java:116

↓ 20 callersMethodgetNumEmptySlots

Returns the number of empty slots on this page.

src/java/simpledb/BTreeLeafPage.java:447

↓ 20 callersMethodsetRecordId

Set the RecordId information for this tuple. @param rid the new RecordId for this tuple.

src/java/simpledb/Tuple.java:50

↓ 19 callersMethodacquired

@return true if we successfully acquired the specified lock

test/simpledb/TestUtil.java:357

↓ 19 callersMethodgetId

@return the PageId associated with this page.

src/java/simpledb/BTreeRootPtrPage.java:57

↓ 19 callersMethodinsertRow

(HeapFile hf, Transaction t, int v1, int v2)

test/simpledb/systemtest/LogTest.java:21

↓ 19 callersMethodisSlotUsed

Returns true if associated slot on this page is filled.

src/java/simpledb/BTreeInternalPage.java:584

↓ 19 callersMethodreset

()

src/java/simpledb/Database.java:77

↓ 18 callersMethodcommit

Finish the transaction

src/java/simpledb/Transaction.java:33

↓ 18 callersMethoddeleteTuple

Removes the specified tuple from the file on behalf of the specified transaction. This method will acquire a lock on the affected pages of the file, a

src/java/simpledb/DbFile.java:59

↓ 18 callersMethodfieldNameToIndex

Find the index of the field with a given name. @param name name of the field. @return the index of the field that is first to have the giv

src/java/simpledb/TupleDesc.java:123

↓ 18 callersMethodflushAllPages

Flush all dirty pages to disk. NB: Be careful using this routine -- it writes dirty data to disk so will break simpledb if running in NO STEAL mod

src/java/simpledb/BufferPool.java:162

↓ 18 callersMethodgetBTreeTuple

@return a Tuple with a single IntField with value n and with RecordId(BTreePageId(1,2, BTreePageId.LEAF), 3)

src/java/simpledb/BTreeUtility.java:35

↓ 18 callersMethodgetLen

()

src/java/simpledb/Type.java:13

↓ 17 callersMethodgetTableName

(int id)

src/java/simpledb/Catalog.java:98

↓ 17 callersMethodinsertTuple

Inserts the specified tuple to the file on behalf of transaction. This method will acquire a lock on the affected pages of the file, and may block unt

src/java/simpledb/DbFile.java:43

↓ 16 callersMethodcheckRep

checks the integrity of the tree: 1) parent pointers. 2) sibling pointers. 3) range invariants. 4) record to page pointers. 5) occupancy invariants. (

src/java/simpledb/BTreeChecker.java:59

↓ 16 callersMethodgetKey

protected method used by the iterator to get the ith key out of this page @param i - the index of the key @return the ith key @throws NoSuchElementExc

src/java/simpledb/BTreeInternalPage.java:626

↓ 16 callersMethoditerator

@return an iterator over all tuples on this page (calling remove on this iterator throws an UnsupportedOperationException) (note that this iterator sh

src/java/simpledb/BTreeLeafPage.java:482

↓ 15 callersMethodfilter

Compares the field number of t specified in the constructor to the operand field specified in the constructor using the operator specific in the const

src/java/simpledb/Predicate.java:98

↓ 15 callersMethodfilter

Apply the predicate to the two specified tuples. The comparison can be made through Field's compare method. @return true if the tuples satisfy the pr

src/java/simpledb/JoinPredicate.java:37

↓ 15 callersMethodgetEstimatedCardinality

@return The estimated cardinality of this operator. Will only be used in lab7

src/java/simpledb/Operator.java:94

↓ 15 callersMethodgetRecordId

@return The RecordId representing the location of this tuple on disk. May be null.

src/java/simpledb/Tuple.java:39

↓ 15 callersMethodsetParentId

Unit test for BTreeLeafPage.setParentId()

test/simpledb/BTreeLeafPageTest.java:110

↓ 14 callersMethodcreateEmptyPageData

Static method to generate a byte array corresponding to an empty HeapPage. Used to add new, empty pages to the file. Passing the results of this metho

src/java/simpledb/HeapPage.java:233

↓ 14 callersMethoddoInsert

(HeapFile hf, int t1, int t2)

test/simpledb/systemtest/LogTest.java:62

↓ 14 callersMethodgetNumEmptySlots

Returns the number of empty slots on this page.

src/java/simpledb/HeapPage.java:283

↓ 14 callersMethodgetUUID

Generates a unique string each time it is called. @return a new unique UUID as a string, using java.util.UUID

test/simpledb/systemtest/SystemTestUtil.java:173

↓ 14 callersMethodmatchAllTuples

Check to see if every tuple in expected matches <b>some</b> tuple in actual via compareTuples. Note that actual may be a superset. If not, throw an

test/simpledb/TestUtil.java:128

↓ 13 callersMethodequals

Compares one PageId to another. @param o The object to compare against (must be a PageId) @return true if the objects are equal (e.g., page numbers,

src/java/simpledb/BTreePageId.java:84

↓ 13 callersMethodgetTupleNumber

@return the tuple number this RecordId references.

src/java/simpledb/RecordId.java:29

↓ 13 callersMethodisSlotUsed

Returns true if associated slot on this page is filled.

src/java/simpledb/BTreeLeafPage.java:458

↓ 13 callersMethodmarkDirty

Set the dirty state of this page as dirtied by a particular transaction

src/java/simpledb/Page.java:34

↓ 13 callersMethodmatchTuples

(DbFile f, List<ArrayList<Integer>> tuples)

test/simpledb/systemtest/SystemTestUtil.java:97

↓ 12 callersMethodclear

Delete all tables from the catalog

src/java/simpledb/Catalog.java:104

↓ 12 callersMethodopenHeapFile

Opens a HeapFile and adds it to the catalog. @param cols number of columns in the table. @param f location of the file storing the table. @return the

src/java/simpledb/Utility.java:132

↓ 12 callersMethodstart

()

src/java/simpledb/Query.java:53

↓ 12 callersMethodtupleToList

(Tuple tuple)

test/simpledb/systemtest/SystemTestUtil.java:88

↓ 11 callersMethodcreateEmptyBTreeFile

A utility method to create a new BTreeFile with no data, assuming the path does not already exist. If the path exists, the file will be overwritten. T

src/java/simpledb/BTreeUtility.java:446

↓ 11 callersMethodgetRightSiblingId

Get the id of the right sibling of this page @return the id of the right sibling

src/java/simpledb/BTreeLeafPage.java:390

↓ 11 callersMethodgetSize

@return The size (in bytes) of tuples corresponding to this TupleDesc. Note that tuples from a given TupleDesc are of a fixed size.

src/java/simpledb/TupleDesc.java:132

↓ 11 callersMethoditerator

Get an iterator for all tuples in this B+ tree file in sorted order. This method will acquire a read lock on the affected pages of the file, and may b

src/java/simpledb/BTreeFile.java:1068

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