greenplumn traceflags 代码
文件路径：/src/backend/gporca/libnaucrates/include/naucrates/traceflags/traceflags.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2011 EMC Corp.
/
/ @filename:
/ traceflags.h
/
/ @doc:
/ enum of traceflags which can be used in a task's context
/---------------------------------------------------------------------------
#ifndef GPOPT_traceflags_H
#define GPOPT_traceflags_H
#include "gpos/common/CBitSet.h"
namespace gpos
{
enum EOptTraceFlag
{
/ reserve range 100000-199999 for GPOPT
/
/ debug printing flags /
/
/ print input query
EopttracePrintQuery = 101000,
/ print output plan
EopttracePrintPlan = 101001,
/ print xform info
EopttracePrintXform = 101002,
/ print input and output of xforms
EopttracePrintXformResults = 101003,
/ print MEMO after exploration
EopttracePrintMemoAfterExploration = 101004,
/ print MEMO after implementation
EopttracePrintMemoAfterImplementation = 101005,
/ print MEMO after optimization
EopttracePrintMemoAfterOptimization = 101006,
/ print jobs in scheduler on each job completion
EopttracePrintJobScheduler = 101007,
/ print expression properties
EopttracePrintExpressionProperties = 101008,
/ print group properties
EopttracePrintGroupProperties = 101009,
/ print optimization context
EopttracePrintOptimizationContext = 101010,
/ print xform pattern
EopttracePrintXformPattern = 101011,
/ print optimizer's stats
EopttracePrintOptimizationStatistics = 101012,
/ enable plan enumeration
EopttraceEnumeratePlans = 101013,
/ enable plan sampling
EopttraceSamplePlans = 101014,
/ print MEMO during property enforcement process
EopttracePrintMemoEnforcement = 101015,
/ print required columns
EopttracePrintRequiredColumns = 101016,
/ print equivalent distribution specs
EopttracePrintEquivDistrSpecs = 101017,
/
/ transformations flags /
/
/ base for calculating flag ID to disable xform;
/ use: flag = EopttraceDisableXformBase + xformID;
EopttraceDisableXformBase = 102000,
/ range from 102000 - 102999 is reserved for xform disable flags
/
/ engine flags /
/
/ first engine flag
EopttraceFirstEngineFlag = 103000, / not currently used
/ produce a minidump
EopttraceMinidump = 103001,
/ CTE inlining flags
EopttraceEnableCTEInlining = 103002,
/ Disable all Motion nodes
EopttraceDisableMotions = 103003,
/ Disable MotionBroadcast nodes
EopttraceDisableMotionBroadcast = 103004,
/ Disable MotionGather nodes
EopttraceDisableMotionGather = 103005,
/ Disable MotionHashDistribute nodes
EopttraceDisableMotionHashDistribute = 103006,
/ Disable MotionHashRandom nodes
EopttraceDisableMotionRandom = 103007,
/ Disable MotionHashRoutedDistribute nodes
EopttraceDisableMotionRountedDistribute = 103008,
/ Disable Sort nodes
EopttraceDisableSort = 103009,
/ Disable Spool nodes
EopttraceDisableSpool = 103010,
/ Disable partition propagation
EopttraceDisablePartPropagation = 103011,
/ Disable partition selection
EopttraceDisablePartSelection = 103012,
/ Disable outer-join To inner-join rewrite
EopttraceDisableOuterJoin2InnerJoinRewrite = 103013,
/ Enable plan space pruning
EopttraceEnableSpacePruning = 103014,
/ Always pick multi-stage aggregation whenever such a plan is generated
EopttraceForceMultiStageAgg = 103015,
/ Enable generating (Redistribute, Broadcast) alternative for hash join children
EopttraceEnableRedistributeBroadcastHashJoin = 103016,
/ Apply LeftOuter2InnerUnionAllLeftAntiSemiJoin without looking at stats
EopttraceApplyLeftOuter2InnerUnionAllLeftAntiSemiJoinDisregardingStats =
103017,
/ Do not keep an order-by, even if it is right under a DML operator
EopttraceRemoveOrderBelowDML = 103019,
/ prevent plan alternatives where NLJ's outer child is replicated
EopttraceDisableReplicateInnerNLJOuterChild = 103020,
/ enforce evaluating subqueries using correlated joins (subplans in GPDB)
EopttraceEnforceCorrelatedExecution = 103021,
/ Always pick plans that expand multiple distinct qualified aggregates into join of single distinct aggregates
EopttraceForceExpandedMDQAs = 103022,
/ prevent optimizing CTE producer side based on requirements enforced on top of CTE consumer
EopttraceDisablePushingCTEConsumerReqsToCTEProducer = 103023,
/ prune unused computed columns
EopttraceDisablePruneUnusedComputedColumns = 103024,
/ enable parallel append
EopttraceEnableParallelAppend = 103025,
/ create constraint intervals from array expressions in preprocessing
EopttraceArrayConstraints = 103026,
/ enable motion hazard handling during NLJ optimization
EopttraceMotionHazardHandling = 103027,
/ non-master gather enforcement for DML queries
EopttraceDisableNonMasterGatherForDML = 103028,
/ Force the optimizer to pick a plan that minimizes skew but adds an extra motion node when aggs are used
EopttraceForceAggSkewAvoidance = 103029,
/ Eager Agg
EopttraceEnableEagerAgg = 103030,
/ Translate unused colrefs. specifically translate all colrefs, including ones
/ that are not referenced in the query.
EopttraceTranslateUnusedColrefs = 103031,
/ ExpandFullJoin
EopttraceExpandFullJoin = 103032,
/ Expand LOJs in N-aryjoin
EopttraceEnableLOJInNAryJoin = 103033,
/ Generate only query join order in DPv2 transform
EopttraceQueryOnlyInDPv2 = 103034,
/ Generate only Greedy join order in DPv2 transform
EopttraceGreedyOnlyInDPv2 = 103035,
/ Generate only MinCard join order in DPv2 transform
EopttraceMinCardOnlyInDPv2 = 103036,
/ Consider non-equality predicates in Dynamic partition selection
EopttraceAllowGeneralPredicatesforDPE = 103037,
/ Support Opfamilies in distribution specs
EopttraceConsiderOpfamiliesForDistribution = 103038,
/ Use legacy (cdbhash) opfamilies for compatibility
EopttraceUseLegacyOpfamilies = 103039,
/ enable NL Left Join plan alternatives where inner child is redistributed if possible
EopttraceEnableRedistributeNLLOJInnerChild = 103040,
EopttraceForceComprehensiveJoinImplementation = 103041,
/
/ statistics flags /
/
/ extract statistics
EopttraceExtractDXLStats = 104000,
/ extract statistics for all physical DXL nodes
EopttraceExtractDXLStatsAllNodes = 104001,
/ derive new statistics for dynamic scans when partition elimination applies
EopttraceDeriveStatsForDPE = 104002,
/ print information about columns with missing statistics
EopttracePrintColsWithMissingStats = 104003,
/ do not trigger stats derivation for all groups after exploration
EopttraceDonotDeriveStatsForAllGroups = 104004,
/ Always pick plans that split scalar DQA into a plan with 3-stage aggregation
EopttraceForceThreeStageScalarDQA = 104005,
/ Penalize HashJoins with a skewed hash distribute under them
EopttracePenalizeSkewedHashJoin = 104006,
/ Use legacy cost model
EopttraceLegacyCostModel = 104008,
/ Use experimental cost model
EopttraceExperimentalCostModel = 104009,
/
/ constant expression evaluator flags /
/
EopttraceEnableConstantExpressionEvaluation = 105000,
/ do not use the built-in evaluators for integers in constraint derivation
EopttraceUseExternalConstantExpressionEvaluationForInts = 105001,
/ is nestloop params enabled, it is only enabled in GPDB 6.x onwards.
EopttraceIndexedNLJOuterRefAsParams = 106000,
/ max
EopttraceSentinel = 199999
};
}
#ifdef __cplusplus
extern "C" {
#endif / __cplusplus
/ set trace flags based on given bit set, and return two output bit sets of old trace flags values
void SetTraceflags(gpos::CMemoryPool *mp, const gpos::CBitSet *input_bitset,
gpos::CBitSet **enable_bitset,
gpos::CBitSet **disabled_bitset);
/ restore trace flags values based on given bit sets
void ResetTraceflags(gpos::CBitSet *enable_bitset,
gpos::CBitSet *disabled_bitset);
#ifdef __cplusplus
}
#endif / __cplusplus
#endif / ! GPOPT_traceflags_H
/ EOF