Unit test for Insert.getNext(), inserting elements into an empty file

Unit test for BTreeHeaderPage.getNextPageId()

Unit test for BTreeInternalPage.getNumEmptySlots()

Unit test for HeapPage.getNumEmptySlots()

Unit test for BTreeLeafPage.getNumEmptySlots()

Returns the number of empty slots on this page.

Interface to access operations by a string containing an integer index for command-line convenience. @param s a string containing a valid integer Op

Interface to access operations by integer value for command-line convenience. @param i a valid integer Op index

Unit test for BTreeHeaderPage.getPageData()

Method to encapsulate the process of getting a parent page ready to accept new entries. This may mean creating a page to become the new root of the tr

Unit test for BTreeHeaderPage.getPrevPageId()

Unit test for BTreeLeafPage.getRightSiblingId()

Unit test for BTreeRootPtrPage.getRootId()

Unit test for TupleDesc.getSize()

Unit test for BTreeHeaderPage.isSlotUsed() and BTreeHeaderPage.markSlotUsed()

Unit test for BTreeInternalPage.isSlotUsed()

Unit test for HeapPage.isSlotUsed()

Unit test for BTreeLeafPage.isSlotUsed()

Unit test for BTreePageId.getTableId()

Unit test for HeapPageId.getTableId()

Unit test for Catalog.getTableId()

Return the id of the table with a specified name, @throws NoSuchElementException if the table doesn't exist

@return the table associated with this PageId

@return a Tuple with a 'width' IntFields with the value tupledata[i] in each field. do not set it's RecordId, hence do not distinguish

Unit test for BTreeFile.getTupleDesc()

Unit test for Aggregate.getTupleDesc()

Unit test for Insert.getTupleDesc()

Unit test for Catalog.getTupleDesc()

Unit test for Filter.getTupleDesc()

Unit test for Join.getTupleDesc()

Unit test for HeapFile.getTupleDesc()

Unit test for Tuple.getTupleDesc()

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

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

Returns the TupleDesc with field names from the underlying BTreeFile, prefixed with the tableAlias string from the constructor. This prefix becomes us

Returns the tuple descriptor (schema) of the specified table @param tableid The id of the table, as specified by the DbFile.getId() function passe

Returns the TupleDesc with field names from the underlying HeapFile, prefixed with the tableAlias string from the constructor. This prefix becomes use

Returns the TupleDesc associated with this OpIterator.

@return return the TupleDesc of the output tuples of this operator

Unit test for TupleDesc.getType()

@return the Type for this Field

Return the Type of this field. @return Type.INT_TYPE

Unit test for Join.getNext() using a > predicate

Unit test for RecordId.hashCode()

Check that duplicate file ids are handled correctly

Check that duplicate names are handled correctly

@return true if the iterator has more items.

@return a hash code for this page, represented by the concatenation of the table number and the page number (needed if a PageId is used as a key i

@return a hash code for this page, represented by the concatenation of the table number and the page number (needed if a PageId is used as a key i

You should implement the hashCode() so that two equal RecordId instances (with respect to equals()) have the same hashCode(). @return An int that is

@return a hash code for this page, represented by the concatenation of the table number, page number, and pgcateg (needed if a PageId is used as a

Return true if the specified transaction has a lock on the specified page

Unit test for BufferPool.insertTuple()

Add a tuple to the specified table on behalf of transaction tid. Will acquire a write lock on the page the tuple is added to and any other pages that

Returns the tid of the transaction that last dirtied this page, or null if the page is not dirty

Returns true if associated slot on this page is filled.

Create a OpIterator over group aggregate results. @see simpledb.TupleIterator for a possible helper

@return An iterator which iterates over all the field TDItems that are included in this TupleDesc

Unit test for BufferPool.getPage() assuming locking. Attempt lock upgrade.

Write an UPDATE record to disk for the specified tid and page (with provided before and after images.) @param tid The transact

Marks this page as dirty/not dirty and record that transaction that did the dirtying

Abstraction to fill or clear a slot on this page.

Unit test for Aggregate.getNext() using a max aggregate

Test IntegerAggregator.mergeTupleIntoGroup() and iterator() over an avg

Test String.mergeTupleIntoGroup() and iterator() over a COUNT

Test IntegerAggregator.mergeTupleIntoGroup() and iterator() over a max

Test IntegerAggregator.mergeTupleIntoGroup() and iterator() over a min

Test IntegerAggregator.mergeTupleIntoGroup() and iterator() over a sum

Merge a new tuple into the aggregate for a distinct group value; creates a new group aggregate result if the group value has not yet been encountered.

Unit test for Aggregate.getNext() using a min aggregate