Uses of Class
edu.caltech.nanodb.expressions.CompareOperator

Packages that use CompareOperator

Package	Description
edu.caltech.nanodb.queryeval	This package contains the query-evaluation components of the database.
edu.caltech.nanodb.relations	This package contains the basic data-types for representing relations in NanoDB.

Uses of CompareOperator in edu.caltech.nanodb.queryeval

Methods in edu.caltech.nanodb.queryeval with parameters of type CompareOperator

Modifier and Type	Method	Description
static float	SelectivityEstimator.estimateCompareSelectivity(CompareOperator comp, Schema exprSchema, java.util.ArrayList<ColumnStats> stats)	This function computes a selectivity estimate for a general comparison operation.
private static void	StatisticsUpdater.updateCompareStats(CompareOperator comp, Schema schema, java.util.List<ColumnStats> stats)	Try to update the column-statistics based on the passed-in comparison operation.

Uses of CompareOperator in edu.caltech.nanodb.relations

Methods in edu.caltech.nanodb.relations that return CompareOperator

Modifier and Type	Method	Description
private CompareOperator	DatabaseConstraintEnforcer.makeEqualityComparison(Schema schema, int iSchema, Tuple tuple, int iTuple)