| /********************************************************************** |
| // @@@ START COPYRIGHT @@@ |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| // |
| // @@@ END COPYRIGHT @@@ |
| **********************************************************************/ |
| /* -*-C++-*- |
| **************************************************************************** |
| * |
| * File: ComTdbSplitBottom.cpp |
| * Description: Split bottom tdb (for parallel execution) |
| * |
| * Created: 5/6/98 |
| * Language: C++ |
| * |
| * |
| * |
| * |
| **************************************************************************** |
| */ |
| |
| // ----------------------------------------------------------------------- |
| |
| #include "ComTdbSplitBottom.h" |
| #include "ComTdbCommon.h" |
| #include "ComTdbSendBottom.h" |
| //#include "ex_esp_frag_dir.h" |
| |
| // ----------------------------------------------------------------------- |
| // Methods for class ComTdbSplitBottom |
| // ----------------------------------------------------------------------- |
| ComTdbSplitBottom::ComTdbSplitBottom( |
| ComTdb *child, |
| ComTdbSendBottom *sendTdb, |
| ex_expr *partFunction, |
| Lng32 partNoATPIndex, |
| Lng32 partFunctionUsesNarrow, |
| Lng32 conversionErrorFlagATPIndex, |
| Lng32 partInputATPIndex, |
| Lng32 partInputDataLen, |
| Cardinality estimatedRowCount, |
| ex_cri_desc *criDescDown, |
| ex_cri_desc *criDescUp, |
| ex_cri_desc *workCriDesc, |
| NABoolean combineRequests, |
| Lng32 topNumESPs, |
| Lng32 topNumParts, |
| Lng32 bottomNumESPs, |
| Lng32 bottomNumParts, |
| SplitBottomSkewInfo *skewInfo) : |
| ComTdb(ex_SPLIT_BOTTOM, |
| eye_SPLIT_BOTTOM, |
| estimatedRowCount, |
| criDescDown, |
| criDescUp) |
| { |
| child_ = child; |
| sendTdb_ = sendTdb; |
| partFunction_ = partFunction; |
| partFuncUsesNarrow_ = partFunctionUsesNarrow; |
| convErrorATPIndex_ = conversionErrorFlagATPIndex; |
| partNoATPIndex_ = partNoATPIndex; |
| partInputATPIndex_ = partInputATPIndex; |
| partInputDataLen_ = partInputDataLen; |
| workCriDesc_ = workCriDesc; |
| combineRequests_ = combineRequests; |
| topNumESPs_ = topNumESPs; |
| topNumParts_ = topNumParts; |
| bottomNumESPs_ = bottomNumESPs; |
| bottomNumParts_ = bottomNumParts; |
| splitBottomFlags_ = 0; |
| skewInfo_ = skewInfo; |
| finalRoundRobin_ = (short)topNumESPs_ - 1; |
| initialRoundRobin_ = 0; |
| cpuLimit_ = 0; |
| cpuLimitCheckFreq_ = 32; |
| |
| // setPlanVersion(ComVersion_GetCurrentPlanVersion()); |
| } |
| |
| Int32 ComTdbSplitBottom::orderedQueueProtocol() const |
| { |
| return -1; |
| } // these lines won't be covered, obsolete but not in the list yet |
| |
| void ComTdbSplitBottom::display() const |
| { |
| } // these lines won't be covered, used by Windows GUI only |
| |
| const ComTdb * ComTdbSplitBottom::getChild(Int32 pos) const |
| { |
| if (pos == 0) |
| return child_; |
| else if (pos == 1) |
| return (ComTdb *) sendTdb_; |
| else |
| return NULL; |
| } |
| |
| Int32 ComTdbSplitBottom::numChildren() const |
| { |
| return 2; |
| } |
| |
| Int32 ComTdbSplitBottom::numExpressions() const |
| { |
| return 1; |
| } |
| |
| ex_expr* ComTdbSplitBottom::getExpressionNode(Int32 pos) |
| { |
| if (pos == 0) |
| return partFunction_; |
| else |
| return NULL; |
| } |
| |
| const char * ComTdbSplitBottom::getExpressionName(Int32 pos) const |
| { |
| if (pos == 0) |
| return "partFunction_"; |
| else |
| return NULL; |
| } |
| |
| Long ComTdbSplitBottom::pack(void * space) |
| { |
| child_.pack(space); |
| sendTdb_.pack(space); |
| partFunction_.pack(space); |
| workCriDesc_.pack(space); |
| skewInfo_.pack(space); |
| extractProducerInfo_.pack(space); |
| return ComTdb::pack(space); |
| } |
| |
| Lng32 ComTdbSplitBottom::unpack(void * base, void * reallocator) |
| { |
| if(child_.unpack(base, reallocator)) return -1; |
| if(sendTdb_.unpack(base, reallocator)) return -1; |
| if(partFunction_.unpack(base, reallocator)) return -1; |
| if(workCriDesc_.unpack(base, reallocator)) return -1; |
| if(skewInfo_.unpack(base, reallocator)) return -1; |
| if(extractProducerInfo_.unpack(base, reallocator)) return -1; |
| return ComTdb::unpack(base, reallocator); |
| } |
| |
| void ComTdbSplitBottom::displayContents(Space * space,ULng32 flag) |
| { |
| ComTdb::displayContents(space,flag & 0xFFFFFFFE); |
| |
| if(flag & 0x00000008) |
| { |
| char buf[100]; |
| |
| str_sprintf(buf, "\nFor ComTdbSplitBottom :"); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short)); |
| |
| str_sprintf(buf, "splitBottomFlags_ = %x", (Lng32) splitBottomFlags_); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short)); |
| |
| str_sprintf(buf, "topNumESPs = %d, bottomNumESPs = %d", |
| topNumESPs_, bottomNumESPs_); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short)); |
| |
| str_sprintf(buf, |
| "partInputDataLen = %d, partInputATPIndex = %d, combineRequests = %d" |
| ,partInputDataLen_ , partInputATPIndex_ , combineRequests_); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short)); |
| |
| if (partFunction_) |
| { |
| str_sprintf(buf, |
| "partNoATPIndex = %d, partFuncUsesNarrow = %d, convErrorATPIndex = %d" |
| ,partNoATPIndex_ , partFuncUsesNarrow_ , convErrorATPIndex_ ); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), |
| sizeof(short)); |
| } |
| |
| if (splitBottomFlags_ & SKEWBUSTER) |
| { |
| if (splitBottomFlags_ & SKEW_BROADCAST) |
| str_sprintf(buf, "Skewbuster Broadcast is used."); |
| else |
| str_sprintf(buf, |
| "Skewbuster Uniform Distribution is used, " |
| "starting with consumer number %d, ending with consumer number %d.", |
| initialRoundRobin_, finalRoundRobin_); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short)); |
| str_sprintf(buf, "Number of skewed partitioning keys = %d.", |
| getNumSkewValues()); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short)); |
| |
| str_sprintf(buf, "Hash keys of skewed values:"); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short)); |
| |
| // Do 3 int64s per line until the final 1 or 2. |
| |
| Int32 numTriads = skewInfo_->getNumSkewHashValues() / 3; |
| Int32 numLeftovers = skewInfo_->getNumSkewHashValues() % 3; |
| Int32 i = 0; |
| |
| while (numTriads > 0) |
| { |
| str_sprintf(buf, "%23ld %23ld %23ld", |
| skewInfo_->getSkewHashValues()[i], |
| skewInfo_->getSkewHashValues()[i+1], |
| skewInfo_->getSkewHashValues()[i+2]); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), |
| sizeof(short)); |
| i += 3; |
| numTriads -= 1; |
| } |
| |
| // Now do the final line: 1 or 2 values. |
| if (numLeftovers == 2) |
| { |
| str_sprintf(buf, "%23ld %23ld", |
| skewInfo_->getSkewHashValues()[i], |
| skewInfo_->getSkewHashValues()[i+1]); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), |
| sizeof(short)); |
| } |
| else if (numLeftovers == 1) |
| { |
| str_sprintf(buf, "%23ld", |
| skewInfo_->getSkewHashValues()[i]); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), |
| sizeof(short)); |
| } |
| } |
| |
| if (splitBottomFlags_ & EXTRACT_PRODUCER) |
| { |
| str_sprintf(buf, "This is a parallel extract producer"); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short)); |
| |
| const char *key = getExtractSecurityKey(); |
| str_sprintf(buf, "Security key = %s", (key ? key : "(NULL)")); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short)); |
| } |
| |
| str_sprintf(buf, "Query uses SeaMonster: %s", |
| getQueryUsesSM() ? "yes" : "no"); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short)); |
| |
| str_sprintf(buf, "Exchange uses SeaMonster: %s", |
| getExchangeUsesSM() ? "yes" : "no"); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short)); |
| } |
| |
| if(flag & 0x00000001) |
| { |
| displayExpression(space,flag); |
| displayChildren(space,flag); |
| } |
| } |
| |
| // ----------------------------------------------------------------------- |
| // Methods for class SplitBottomSkewInfo |
| // ----------------------------------------------------------------------- |
| |
| Long SplitBottomSkewInfo::pack(void * space) |
| { |
| if (skewHashValues_.pack(space)) return -1; |
| return NAVersionedObject::pack(space); |
| } |
| |
| Lng32 SplitBottomSkewInfo::unpack(void * base, void * reallocator) |
| { |
| if (skewHashValues_.unpack(base)) return -1; |
| return NAVersionedObject::unpack(base, reallocator); |
| } |