Unit test for HeapPageId.hashCode()

Test StringAggregator.iterator() for DbIterator behaviour

Test IntAggregator.iterator() for DbIterator behaviour

Unit test for HeapPage.iterator()

Not-so-unit test to construct a deadlock situation. t1 acquires p0.read; t2 acquires p1.read; t1 attempts p1.write; t2 attempts p0.write. Rinse and re

Test that rewinding a SeqScan iterator works.

Scan 1-4 columns.

Not-so-unit test to construct a deadlock situation. t1 acquires p0.read; t2 acquires p0.read; t1 attempts to upgrade to p0.write; t2 attempts to upgra

Not-so-unit test to construct a deadlock situation. t1 acquires p0.write; t2 acquires p1.write; t1 attempts p1.write; t2 attempts p0.write.

Returns the contents of this Tuple as a string. Note that to pass the system tests, the format needs to be as follows: column1\tcolumn2\tcolumn3\t...

Returns a String describing this descriptor. It should be of the form "fieldType[0](fieldName[0]), ..., fieldType[M](fieldName[M])", although the exac

Returns something useful, like "f = field_id op = op_string operand = operand_string

@return A string describing this histogram, for debugging purposes

Unit test for RecordId.tupleno()