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hub / github.com/MIT-DB-Class/simple-db-hw / open

Method open

src/java/simpledb/OpIterator.java:18–18  ·  view source on GitHub ↗

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

()

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Callers 15

mergeCountMethod · 0.95
testIteratorMethod · 0.95
mergeSumMethod · 0.95
mergeMinMethod · 0.95
mergeMaxMethod · 0.95
mergeAvgMethod · 0.95
testIteratorMethod · 0.95
mainMethod · 0.95
rewindMethod · 0.65
countStringAggregateMethod · 0.65
sumStringGroupByMethod · 0.65
sumAggregateMethod · 0.65

Implementers 6

MockScantest/simpledb/TestUtil.java
TupleIteratorsrc/java/simpledb/TupleIterator.java
BTreeScansrc/java/simpledb/BTreeScan.java
SeqScansrc/java/simpledb/SeqScan.java
TupleArrayIteratorsrc/java/simpledb/Parser.java
Operatorsrc/java/simpledb/Operator.java

Calls

no outgoing calls

Tested by 15

mergeCountMethod · 0.76
testIteratorMethod · 0.76
mergeSumMethod · 0.76
mergeMinMethod · 0.76
mergeMaxMethod · 0.76
mergeAvgMethod · 0.76
testIteratorMethod · 0.76
rewindMethod · 0.52
countStringAggregateMethod · 0.52
sumStringGroupByMethod · 0.52
sumAggregateMethod · 0.52
avgAggregateMethod · 0.52