Uses of Class
org.apache.hadoop.hive.ql.plan.MapWork

Packages that use MapWork

org.apache.hadoop.hive.ql.exec	Hive QL execution tasks, operators, functions and other handlers.
org.apache.hadoop.hive.ql.io.rcfile.merge
org.apache.hadoop.hive.ql.io.rcfile.stats
org.apache.hadoop.hive.ql.io.rcfile.truncate
org.apache.hadoop.hive.ql.optimizer
org.apache.hadoop.hive.ql.optimizer.physical
org.apache.hadoop.hive.ql.parse
org.apache.hadoop.hive.ql.plan

Uses of MapWork in org.apache.hadoop.hive.ql.exec

Methods in org.apache.hadoop.hive.ql.exec that return MapWork

static MapWork

Utilities.getMapWork(org.apache.hadoop.conf.Configuration conf)

Methods in org.apache.hadoop.hive.ql.exec with parameters of type MapWork

static void	Utilities.createTmpDirs(org.apache.hadoop.conf.Configuration conf, MapWork mWork) Hive uses tmp directories to capture the output of each FileSinkOperator.
static int	Utilities.estimateNumberOfReducers(HiveConf conf, org.apache.hadoop.fs.ContentSummary inputSummary, MapWork work, boolean finalMapRed) Estimate the number of reducers needed for this job, based on job input, and configuration parameters.
static double	Utilities.getHighestSamplePercentage(MapWork work) Returns the highest sample percentage of any alias in the given MapWork
static List<org.apache.hadoop.fs.Path>	Utilities.getInputPaths(org.apache.hadoop.mapred.JobConf job, MapWork work, org.apache.hadoop.fs.Path hiveScratchDir, Context ctx) Computes a list of all input paths needed to compute the given MapWork.
static List<org.apache.hadoop.fs.Path>	Utilities.getInputPathsTez(org.apache.hadoop.mapred.JobConf job, MapWork work) On Tez we're not creating dummy files when getting/setting input paths.
static org.apache.hadoop.fs.ContentSummary	Utilities.getInputSummary(Context ctx, MapWork work, org.apache.hadoop.fs.PathFilter filter) Calculate the total size of input files.
static long	Utilities.getTotalInputFileSize(org.apache.hadoop.fs.ContentSummary inputSummary, MapWork work, double highestSamplePercentage) Computes the total input file size.
static long	Utilities.getTotalInputNumFiles(org.apache.hadoop.fs.ContentSummary inputSummary, MapWork work, double highestSamplePercentage) Computes the total number of input files.
void	MapOperator.initializeAsRoot(org.apache.hadoop.conf.Configuration hconf, MapWork mapWork) Initializes this map op as the root of the tree.
static void	Utilities.setInputAttributes(org.apache.hadoop.conf.Configuration conf, MapWork mWork) Set hive input format, and input format file if necessary.
static void	Utilities.setMapWork(org.apache.hadoop.conf.Configuration conf, MapWork work)
static org.apache.hadoop.fs.Path	Utilities.setMapWork(org.apache.hadoop.conf.Configuration conf, MapWork w, org.apache.hadoop.fs.Path hiveScratchDir, boolean useCache)

Uses of MapWork in org.apache.hadoop.hive.ql.io.rcfile.merge

Subclasses of MapWork in org.apache.hadoop.hive.ql.io.rcfile.merge

class

MergeWork

Uses of MapWork in org.apache.hadoop.hive.ql.io.rcfile.stats

Subclasses of MapWork in org.apache.hadoop.hive.ql.io.rcfile.stats

class

PartialScanWork Partial Scan Work.

Uses of MapWork in org.apache.hadoop.hive.ql.io.rcfile.truncate

Subclasses of MapWork in org.apache.hadoop.hive.ql.io.rcfile.truncate

class

ColumnTruncateWork

Uses of MapWork in org.apache.hadoop.hive.ql.optimizer

Methods in org.apache.hadoop.hive.ql.optimizer that return MapWork

static MapWork

GenMapRedUtils.createRCFileMergeTask(FileSinkDesc fsInputDesc, org.apache.hadoop.fs.Path finalName, boolean hasDynamicPartitions) Create a block level merge task for RCFiles.

Methods in org.apache.hadoop.hive.ql.optimizer with parameters of type MapWork

static String	GenMapRedUtils.findAlias(MapWork work, Operator<?> operator)
static Set<String>	GenMapRedUtils.findAliases(MapWork work, Operator<?> startOp)
static void	GenMapRedUtils.replaceMapWork(String sourceAlias, String targetAlias, MapWork source, MapWork target) Replace the Map-side operator tree associated with targetAlias in target with the Map-side operator tree associated with sourceAlias in source.
static void	GenMapRedUtils.setMapWork(MapWork plan, ParseContext parseCtx, Set<ReadEntity> inputs, PrunedPartitionList partsList, Operator<? extends OperatorDesc> topOp, String alias_id, HiveConf conf, boolean local) initialize MapWork
static void	GenMapRedUtils.setTaskPlan(String path, String alias, Operator<? extends OperatorDesc> topOp, MapWork plan, boolean local, TableDesc tt_desc) set the current task in the mapredWork.

Uses of MapWork in org.apache.hadoop.hive.ql.optimizer.physical

Methods in org.apache.hadoop.hive.ql.optimizer.physical with parameters of type MapWork

long	AbstractJoinTaskDispatcher.getTotalKnownInputSize(Context context, MapWork currWork, Map<String,ArrayList<String>> pathToAliases, HashMap<String,Long> aliasToSize)

Uses of MapWork in org.apache.hadoop.hive.ql.parse

Methods in org.apache.hadoop.hive.ql.parse that return MapWork

MapWork

GenTezUtils.createMapWork(GenTezProcContext context, Operator<?> root, TezWork tezWork, PrunedPartitionList partitions)

Methods in org.apache.hadoop.hive.ql.parse with parameters of type MapWork

protected void

GenTezUtils.setupMapWork(MapWork mapWork, GenTezProcContext context, PrunedPartitionList partitions, Operator<? extends OperatorDesc> root, String alias)

Uses of MapWork in org.apache.hadoop.hive.ql.plan

Methods in org.apache.hadoop.hive.ql.plan that return MapWork

MapWork

MapredWork.getMapWork()

Methods in org.apache.hadoop.hive.ql.plan with parameters of type MapWork

void	MapWork.mergingInto(MapWork mapWork)
void	MapredWork.setMapWork(MapWork mapWork)