| /********************************************************************** |
| // @@@ 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: ComTdbTupleFlow.cpp |
| * Description: |
| * |
| * Created: 5/6/98 |
| * Language: C++ |
| * |
| * |
| * |
| * |
| **************************************************************************** |
| */ |
| |
| #include "ComTdbTupleFlow.h" |
| #include "ComTdbCommon.h" |
| |
| ///////////////////////////////////////////////////////////////////////// |
| // |
| // TDB procedures |
| // |
| ///////////////////////////////////////////////////////////////////////// |
| ComTdbTupleFlow::ComTdbTupleFlow(ComTdb * tdb_src, |
| ComTdb * tdb_tgt, |
| ex_cri_desc * given_cri_desc, |
| ex_cri_desc * returned_cri_desc, |
| ex_expr * tgt_expr, |
| ex_cri_desc * work_cri_desc, |
| queue_index down, |
| queue_index up, |
| Cardinality estimatedRowCount, |
| Lng32 num_buffers, |
| ULng32 buffer_size, |
| NABoolean vsbbInsert, |
| NABoolean rowsetIterator, |
| NABoolean tolerateNonFatalError) |
| : ComTdb(ComTdb::ex_TUPLE_FLOW, |
| eye_TUPLE_FLOW, |
| estimatedRowCount, |
| given_cri_desc, |
| returned_cri_desc, |
| down, |
| up, |
| num_buffers, |
| buffer_size), |
| tdbSrc_(tdb_src), |
| tdbTgt_(tdb_tgt), |
| tgtExpr_(tgt_expr), |
| workCriDesc_(work_cri_desc), |
| flags_(0) |
| { |
| if (vsbbInsert == TRUE) |
| flags_ |= VSBB_INSERT; |
| if (rowsetIterator == TRUE) |
| flags_ |= ROWSET_ITERATOR; |
| if (tolerateNonFatalError == TRUE) |
| setTolerateNonFatalError(TRUE); |
| } |
| |
| // destructor |
| ComTdbTupleFlow::~ComTdbTupleFlow() {} |
| |
| Long ComTdbTupleFlow::pack(void * space) |
| { |
| tdbSrc_.pack(space); |
| tdbTgt_.pack(space); |
| workCriDesc_.pack(space); |
| tgtExpr_.pack(space); |
| return ComTdb::pack(space); |
| } |
| |
| Lng32 ComTdbTupleFlow::unpack(void * base, void * reallocator) |
| { |
| if(tdbSrc_.unpack(base, reallocator)) return -1; |
| if(tdbTgt_.unpack(base, reallocator)) return -1; |
| if(workCriDesc_.unpack(base, reallocator)) return -1; |
| if(tgtExpr_.unpack(base, reallocator)) return -1; |
| return ComTdb::unpack(base, reallocator); |
| } |
| |
| const ComTdb* ComTdbTupleFlow::getChild(Int32 pos) const |
| { |
| if (pos == 0) |
| return tdbSrc_; |
| else if (pos == 1) |
| return tdbTgt_; |
| else |
| return NULL; |
| } |
| |
| ex_expr* ComTdbTupleFlow::getExpressionNode(Int32 pos) |
| { |
| if (pos == 0) |
| return tgtExpr_; |
| else |
| return NULL; |
| } |
| |
| const char * ComTdbTupleFlow::getExpressionName(Int32 pos) const |
| { |
| if (pos == 0) |
| return "tgtExpr_"; |
| else |
| return NULL; |
| } |
| |
| void ComTdbTupleFlow::displayContents(Space * space,ULng32 flag) |
| { |
| ComTdb::displayContents(space,flag & 0xFFFFFFFE); |
| |
| if(flag & 0x00000008) |
| { |
| char buf[100]; |
| |
| Lng32 lFlags = flags_%65536; |
| Lng32 hFlags = (flags_- lFlags)/65536; |
| str_sprintf(buf, "\nFor ComTdbTupleFlow :\nFlags = %x%x ",hFlags,lFlags ); |
| space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short)); |
| } |
| |
| if(flag & 0x00000001) |
| { |
| displayExpression(space,flag); |
| displayChildren(space,flag); |
| } |
| } |
| |