A B C D E F G H I J K L M N O P Q R S T U V W X Z _

D

DataCracker1991 - Class in felix.optimizer

An object of DataCracker1991 will try its best to discover opportunities of partitioning the data.

DataCracker1991() - Constructor for class felix.optimizer.DataCracker1991

dataCrackerSignature - Variable in class felix.dstruct.StatOperator

The human-readable representation of data partitions.

dataDecomposition(HashSet<StatOperator>, CostModel) - Method in class felix.optimizer.Scheduler

Partition the data into different parts.

datalogQueries - Variable in class felix.dstruct.DataMovementOperator.QuerySet

datalogRule() - Method in class felix.parser.FELIXParser

DataMovementOperator - Class in felix.dstruct

A Data Movement Operator (DMO) is a bridge from physical database objects (e.g., view, relational table etc.) to logical requirements of the data.

DataMovementOperator(RDB, StatOperator) - Constructor for class felix.dstruct.DataMovementOperator

the constructor.

DataMovementOperator.QuerySet - Class in felix.dstruct

A collection containing 1) a set of datalog rules; 2) a conjunctive query or prepared statement.

DataMovementOperator.QuerySet() - Constructor for class felix.dstruct.DataMovementOperator.QuerySet

The constructor.

db - Variable in class felix.dstruct.DataMovementOperator

RDB object on which this DMO works on.

db - Variable in class felix.dstruct.StatOperator

Database connection.

db - Static variable in class felix.main.Felix

Database connection.

db - Static variable in class felix.test.IOFileTest

db - Static variable in class felix.test.IOHDFSTest

dd_CommonOutput - Variable in class felix.dstruct.ConcurrentOperatorsBucket

Relations that are shared with other buckets through dual decomposition.

dd_commonOutputPredicate_2_priorTableName - Variable in class felix.dstruct.ConcurrentOperatorsBucket

Map from relations in ConcurrentOperatorsBucket.dd_CommonOutput to tables containing their corresponding Langragian Multipliers.

dd_commonOutputPredicate_2_tableName - Variable in class felix.dstruct.ConcurrentOperatorsBucket

Map from relations in ConcurrentOperatorsBucket.dd_CommonOutput to tables containing their temporary output result in each iteration.

dd_CommonPredicates - Variable in class felix.dstruct.ExecutionPlan

Set of predicates that are shared between different operators via dual decomposition.

dd_Predicate2OperatorBucket - Variable in class felix.dstruct.ExecutionPlan

Map from predicates in ExecutionPlan.dd_CommonPredicates to their parents operators.

dd_PriorClauses - Variable in class felix.dstruct.StatOperator

Rules for Lagrangian Multipliers.

DDExecutor - Class in felix.executor

Class for executing a given physical ExecutionPlan using dual decomposition.

DDExecutor(ExecutionPlan, FelixQuery, FelixCommandOptions) - Constructor for class felix.executor.DDExecutor

The constructor.

decompose(StatOperator) - Method in class felix.optimizer.DataCracker1991

Decompose the data used by the given operator.

decomposeTuffy - Variable in class felix.parser.FelixCommandOptions

definitions() - Method in class felix.parser.FELIXParser

dependencyFile - Variable in class felix.dstruct.FelixPredicate

Path the HDFS file that this predicate depends on.

dependencyName - Variable in class felix.dstruct.FelixPredicate

Type of dependencies, e.g., "hdfs", "jdbc" etc.

DjangoSetup() - Method in class felix.util.ActiveLearner

Creates tables/views in public schema for use by django feedback tool.

dmoo - Variable in class felix.executor.DDExecutor

The DMOOptimizer used by this Executor.

dmoo - Variable in class felix.executor.Executor

Deprecated. The DMOOptimizer used by this Executor.

dmoo - Variable in class felix.task.ExecuteOperatorTask.ExecuteOperatorWorker

dmoo - Variable in class felix.task.OptimizeDMOTask

DMO to be optimized.

dmoo - Variable in class felix.task.OptimizeDMOTask.OptimizeDMOWorker

DMOOptimizer - Class in felix.optimizer

An object of DMOOptimer takes inputs as a DMO, analyzes its logic plan, and fill in its physical plan.

DMOOptimizer(CostModel) - Constructor for class felix.optimizer.DMOOptimizer

The constructor.

downStreams - Variable in class felix.dstruct.OperatorBucketGraph

Map from the bucket to its downstream buckets.

dumpAnswerToDBTable(Predicate, UnionFind<Integer>, ArrayList<Integer>) - Method in class felix.operator.COREFOperator

Dump answers to a database table (or create view for it).

dumpMapAnswerForPredicate(RDB, String, FelixPredicate) - Method in class felix.dstruct.ConcurrentOperatorsBucket

Deprecated.

dumpMapAnswerForPredicate(RDB, FelixPredicate, BufferedWriter) - Method in class felix.executor.DDExecutor

Output the results of this bucket.

dumpMapAnswerForPredicate(RDB, FelixPredicate, BufferedWriter) - Method in class felix.executor.Executor

Deprecated. Output the results of this bucket.

dumpTableToHDFS(String, String, int, String) - Static method in class felix.io.HadoopPostgreSQLPopulator

Dumps given schema.table in to the given file.